STX Filing
4Filing Date: Jul 2, 2026

Seagate Technology Holdings plc (STX) · Insider Trading (Form 4) SEC Filing

Statement of Changes in Beneficial Ownership

descriptionView SEC Filing
ACC: 0001137789-26-000147open_in_new
Total Value$18.08M
Trades27
Insiders1

Transaction Details

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-200
Price$892.08
Total Value$178.4K
Shares Owned After340.56K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $891.88 to $892.78. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-254
Price$895.66
Total Value$227.5K
Shares Owned After340.00K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $895.09 to $895.80. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-401
Price$900.82
Total Value$361.2K
Shares Owned After338.25K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $900.45 to $901.42. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-609
Price$906.47
Total Value$552.0K
Shares Owned After335.72K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $905.88 to $906.84. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-1.60K
Price$913.65
Total Value$1.46M
Shares Owned After330.56K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $913.16 to $914.11. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-1.19K
Price$916.61
Total Value$1.09M
Shares Owned After324.69K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $916.18 to $917.13. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Exercise · Dispose
NQ OptionsDerivative
Shares-14.00K
Price$0.00
Total Value$0
Shares Owned After125.10K
Transaction DateJul 1, 2026
ExpiresSep 9, 2027
10b5-1
Footnotes ▸

Options granted to the Reporting Person under the Issuer's 2012 Equity Incentive Plan are subject to a four year vesting schedule. Subject to continuous employment, one quarter of the option shares vested on September 9, 2021. The remaining option shares vested in equal monthly installments over the 36 months following September 9, 2021.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-320
Price$887.97
Total Value$284.2K
Shares Owned After341.20K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $887.74 to $888.06. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-266
Price$894.39
Total Value$237.9K
Shares Owned After340.25K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $894.09 to $895.06. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-340
Price$897.78
Total Value$305.2K
Shares Owned After339.26K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $897.42 to $898.36. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-560
Price$903.08
Total Value$505.7K
Shares Owned After337.37K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $902.67 to $903.39. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-813
Price$912.72
Total Value$742.0K
Shares Owned After332.15K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $912.15 to $913.13. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Exercise · Acquire
Ordinary Shares
Shares+14.00K
Price$46.23
Total Value$647.2K
Shares Owned After341.52K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 18, 2026.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-120
Price$891.13
Total Value$106.9K
Shares Owned After340.76K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $890.81 to $891.49. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-400
Price$896.77
Total Value$358.7K
Shares Owned After339.60K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $896.21 to $897.00. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-308
Price$900.05
Total Value$277.2K
Shares Owned After338.65K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $899.45 to $900.43. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-960
Price$911.63
Total Value$875.2K
Shares Owned After332.97K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $911.15 to $912.14. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-2.31K
Price$915.65
Total Value$2.11M
Shares Owned After325.87K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $915.17 to $916.12. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-2.06K
Price$918.67
Total Value$1.90M
Shares Owned After320.86K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $918.18 to $919.17. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-40
Price$892.93
Total Value$35.7K
Shares Owned After340.52K
Transaction DateJul 1, 2026
10b5-1
MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-300
Price$898.79
Total Value$269.6K
Shares Owned After338.96K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $898.42 to $899.21. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-720
Price$904.36
Total Value$651.1K
Shares Owned After336.65K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $903.84 to $904.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-391
Price$907.56
Total Value$354.9K
Shares Owned After335.33K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $907.01 to $908.00. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-441
Price$909.52
Total Value$401.1K
Shares Owned After334.33K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $909.11 to $910.01. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-399
Price$910.49
Total Value$363.3K
Shares Owned After333.93K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $910.12 to $910.82. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-2.38K
Price$914.77
Total Value$2.18M
Shares Owned After328.18K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $914.17 to $915.165. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

MOSLEY WILLIAM D
CEO, Director·Direct
Sell · Dispose
Ordinary Shares
Shares-1.76K
Price$917.67
Total Value$1.62M
Shares Owned After322.93K
Transaction DateJul 1, 2026
10b5-1
Footnotes ▸

These Ordinary Shares were sold in multiple trades at prices ranging from $917.18 to $918.17. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Post-Transaction Holdings

MOSLEY WILLIAM D
SecuritySharesChange
NQ Options125.10K-14.00K (-10.06%)
Ordinary Shares340.56K-5.14K (-1.49%)
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-07-01 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: Seagate Technology Holdings plc (STX) CIK: 0001137789 --- Reporting Owner --- Name: MOSLEY WILLIAM D CIK: 0001388390 Role: Director, Officer (CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Ordinary Shares Date: 2026-07-01 | Code: M (Exercise of derivative) Shares: +14,000 | Price: $46.23 Total Value: $647,220.00 Shares Owned After: 341,517 | Ownership: D (Direct) Footnotes: [F1] All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 18, 2026. [Transaction #2] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -320 | Price: $887.97 Total Value: $284,151.62 Shares Owned After: 341,197 | Ownership: D (Direct) Footnotes: [F2] These Ordinary Shares were sold in multiple trades at prices ranging from $887.74 to $888.06. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #3] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -320 | Price: $890.01 Total Value: $284,804.80 Shares Owned After: 340,877 | Ownership: D (Direct) Footnotes: [F3] These Ordinary Shares were sold in multiple trades at prices ranging from $889.61 to $890.12. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #4] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -120 | Price: $891.13 Total Value: $106,935.60 Shares Owned After: 340,757 | Ownership: D (Direct) Footnotes: [F4] These Ordinary Shares were sold in multiple trades at prices ranging from $890.81 to $891.49. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #5] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -200 | Price: $892.08 Total Value: $178,416.00 Shares Owned After: 340,557 | Ownership: D (Direct) Footnotes: [F5] These Ordinary Shares were sold in multiple trades at prices ranging from $891.88 to $892.78. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #6] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -40 | Price: $892.93 Total Value: $35,717.20 Shares Owned After: 340,517 | Ownership: D (Direct) [Transaction #7] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -266 | Price: $894.39 Total Value: $237,908.94 Shares Owned After: 340,251 | Ownership: D (Direct) Footnotes: [F6] These Ordinary Shares were sold in multiple trades at prices ranging from $894.09 to $895.06. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #8] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -254 | Price: $895.66 Total Value: $227,497.94 Shares Owned After: 339,997 | Ownership: D (Direct) Footnotes: [F7] These Ordinary Shares were sold in multiple trades at prices ranging from $895.09 to $895.80. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #9] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -400 | Price: $896.77 Total Value: $358,710.00 Shares Owned After: 339,597 | Ownership: D (Direct) Footnotes: [F8] These Ordinary Shares were sold in multiple trades at prices ranging from $896.21 to $897.00. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #10] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -340 | Price: $897.78 Total Value: $305,245.95 Shares Owned After: 339,257 | Ownership: D (Direct) Footnotes: [F9] These Ordinary Shares were sold in multiple trades at prices ranging from $897.42 to $898.36. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #11] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -300 | Price: $898.79 Total Value: $269,637.99 Shares Owned After: 338,957 | Ownership: D (Direct) Footnotes: [F10] These Ordinary Shares were sold in multiple trades at prices ranging from $898.42 to $899.21. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #12] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -308 | Price: $900.05 Total Value: $277,214.32 Shares Owned After: 338,649 | Ownership: D (Direct) Footnotes: [F11] These Ordinary Shares were sold in multiple trades at prices ranging from $899.45 to $900.43. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #13] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -401 | Price: $900.82 Total Value: $361,230.06 Shares Owned After: 338,248 | Ownership: D (Direct) Footnotes: [F12] These Ordinary Shares were sold in multiple trades at prices ranging from $900.45 to $901.42. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #14] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -320 | Price: $902.14 Total Value: $288,684.00 Shares Owned After: 337,928 | Ownership: D (Direct) Footnotes: [F13] These Ordinary Shares were sold in multiple trades at prices ranging from $901.54 to $902.36. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #15] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -560 | Price: $903.08 Total Value: $505,725.98 Shares Owned After: 337,368 | Ownership: D (Direct) Footnotes: [F14] These Ordinary Shares were sold in multiple trades at prices ranging from $902.67 to $903.39. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #16] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -720 | Price: $904.36 Total Value: $651,139.70 Shares Owned After: 336,648 | Ownership: D (Direct) Footnotes: [F15] These Ordinary Shares were sold in multiple trades at prices ranging from $903.84 to $904.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #17] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -320 | Price: $905.12 Total Value: $289,638.02 Shares Owned After: 336,328 | Ownership: D (Direct) Footnotes: [F16] These Ordinary Shares were sold in multiple trades at prices ranging from $904.86 to $905.72. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #18] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -609 | Price: $906.47 Total Value: $552,042.12 Shares Owned After: 335,719 | Ownership: D (Direct) Footnotes: [F17] These Ordinary Shares were sold in multiple trades at prices ranging from $905.88 to $906.84. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #19] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -391 | Price: $907.56 Total Value: $354,854.75 Shares Owned After: 335,328 | Ownership: D (Direct) Footnotes: [F18] These Ordinary Shares were sold in multiple trades at prices ranging from $907.01 to $908.00. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #20] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -560 | Price: $908.42 Total Value: $508,712.79 Shares Owned After: 334,768 | Ownership: D (Direct) Footnotes: [F19] These Ordinary Shares were sold in multiple trades at prices ranging from $908.01 to $908.99. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #21] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -441 | Price: $909.52 Total Value: $401,099.47 Shares Owned After: 334,327 | Ownership: D (Direct) Footnotes: [F20] These Ordinary Shares were sold in multiple trades at prices ranging from $909.11 to $910.01. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #22] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -399 | Price: $910.49 Total Value: $363,287.35 Shares Owned After: 333,928 | Ownership: D (Direct) Footnotes: [F21] These Ordinary Shares were sold in multiple trades at prices ranging from $910.12 to $910.82. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #23] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -960 | Price: $911.63 Total Value: $875,167.20 Shares Owned After: 332,968 | Ownership: D (Direct) Footnotes: [F22] These Ordinary Shares were sold in multiple trades at prices ranging from $911.15 to $912.14. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #24] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -813 | Price: $912.72 Total Value: $742,043.56 Shares Owned After: 332,155 | Ownership: D (Direct) Footnotes: [F23] These Ordinary Shares were sold in multiple trades at prices ranging from $912.15 to $913.13. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #25] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -1,596 | Price: $913.65 Total Value: $1,458,189.23 Shares Owned After: 330,559 | Ownership: D (Direct) Footnotes: [F24] These Ordinary Shares were sold in multiple trades at prices ranging from $913.16 to $914.11. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #26] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -2,379 | Price: $914.77 Total Value: $2,176,227.36 Shares Owned After: 328,180 | Ownership: D (Direct) Footnotes: [F25] These Ordinary Shares were sold in multiple trades at prices ranging from $914.17 to $915.165. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #27] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -2,308 | Price: $915.65 Total Value: $2,113,321.82 Shares Owned After: 325,872 | Ownership: D (Direct) Footnotes: [F26] These Ordinary Shares were sold in multiple trades at prices ranging from $915.17 to $916.12. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #28] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -1,185 | Price: $916.61 Total Value: $1,086,181.19 Shares Owned After: 324,687 | Ownership: D (Direct) Footnotes: [F27] These Ordinary Shares were sold in multiple trades at prices ranging from $916.18 to $917.13. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #29] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -1,762 | Price: $917.67 Total Value: $1,616,936.30 Shares Owned After: 322,925 | Ownership: D (Direct) Footnotes: [F28] These Ordinary Shares were sold in multiple trades at prices ranging from $917.18 to $918.17. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. [Transaction #30] Security: Ordinary Shares Date: 2026-07-01 | Code: S (Open market sale) Shares: -2,065 | Price: $918.67 Total Value: $1,897,053.55 Shares Owned After: 320,860 | Ownership: D (Direct) Footnotes: [F29] These Ordinary Shares were sold in multiple trades at prices ranging from $918.18 to $919.17. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. --- Derivative Transactions --- [Transaction #1] Security: NQ Options Date: 2026-07-01 | Code: M (Exercise of derivative) Shares: -14,000 | Price: $0.00 Exercisable: N/A | Expires: 2027-09-09 Shares Owned After: 125,100 | Ownership: D (Direct) Footnotes: [F30] Options granted to the Reporting Person under the Issuer's 2012 Equity Incentive Plan are subject to a four year vesting schedule. Subject to continuous employment, one quarter of the option shares vested on September 9, 2021. The remaining option shares vested in equal monthly installments over the 36 months following September 9, 2021. --- Footnotes (Complete Index) --- F1: All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 18, 2026. F10: These Ordinary Shares were sold in multiple trades at prices ranging from $898.42 to $899.21. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F11: These Ordinary Shares were sold in multiple trades at prices ranging from $899.45 to $900.43. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12: These Ordinary Shares were sold in multiple trades at prices ranging from $900.45 to $901.42. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F13: These Ordinary Shares were sold in multiple trades at prices ranging from $901.54 to $902.36. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F14: These Ordinary Shares were sold in multiple trades at prices ranging from $902.67 to $903.39. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F15: These Ordinary Shares were sold in multiple trades at prices ranging from $903.84 to $904.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F16: These Ordinary Shares were sold in multiple trades at prices ranging from $904.86 to $905.72. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F17: These Ordinary Shares were sold in multiple trades at prices ranging from $905.88 to $906.84. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F18: These Ordinary Shares were sold in multiple trades at prices ranging from $907.01 to $908.00. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F19: These Ordinary Shares were sold in multiple trades at prices ranging from $908.01 to $908.99. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F2: These Ordinary Shares were sold in multiple trades at prices ranging from $887.74 to $888.06. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F20: These Ordinary Shares were sold in multiple trades at prices ranging from $909.11 to $910.01. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F21: These Ordinary Shares were sold in multiple trades at prices ranging from $910.12 to $910.82. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F22: These Ordinary Shares were sold in multiple trades at prices ranging from $911.15 to $912.14. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F23: These Ordinary Shares were sold in multiple trades at prices ranging from $912.15 to $913.13. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F24: These Ordinary Shares were sold in multiple trades at prices ranging from $913.16 to $914.11. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F25: These Ordinary Shares were sold in multiple trades at prices ranging from $914.17 to $915.165. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F26: These Ordinary Shares were sold in multiple trades at prices ranging from $915.17 to $916.12. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F27: These Ordinary Shares were sold in multiple trades at prices ranging from $916.18 to $917.13. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F28: These Ordinary Shares were sold in multiple trades at prices ranging from $917.18 to $918.17. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F29: These Ordinary Shares were sold in multiple trades at prices ranging from $918.18 to $919.17. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F3: These Ordinary Shares were sold in multiple trades at prices ranging from $889.61 to $890.12. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F30: Options granted to the Reporting Person under the Issuer's 2012 Equity Incentive Plan are subject to a four year vesting schedule. Subject to continuous employment, one quarter of the option shares vested on September 9, 2021. The remaining option shares vested in equal monthly installments over the 36 months following September 9, 2021. F4: These Ordinary Shares were sold in multiple trades at prices ranging from $890.81 to $891.49. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F5: These Ordinary Shares were sold in multiple trades at prices ranging from $891.88 to $892.78. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F6: These Ordinary Shares were sold in multiple trades at prices ranging from $894.09 to $895.06. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F7: These Ordinary Shares were sold in multiple trades at prices ranging from $895.09 to $895.80. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8: These Ordinary Shares were sold in multiple trades at prices ranging from $896.21 to $897.00. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F9: These Ordinary Shares were sold in multiple trades at prices ranging from $897.42 to $898.36. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. --- Signature --- /s/ /s/ Louis J. Thorson, Attorney-in-Fact for William D. Mosley (2026-07-02)

keid analysis is for reference only and does not constitute investment advice.