=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-05-15
10b5-1 Pre-arranged Plan: No
--- Issuer ---
Name: MICROCHIP TECHNOLOGY INC (MCHP)
CIK: 0000827054
--- Reporting Owner ---
Name: Simoncic Richard J
CIK: 0001181945
Role: Officer (CHIEF OPERATING OFFICER)
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock
Date: 2026-05-15 | Code: M (Exercise of derivative)
Shares: +702 | Price: $93.85
Total Value: $65,882.70
Shares Owned After: 136,829 | Ownership: I (Indirect) | Nature: Shares held Indirectly, by Trust.
[Transaction #2]
Security: Common Stock
Date: 2026-05-15 | Code: F (Payment of exercise/tax)
Shares: -192 | Price: $93.85
Total Value: $18,019.20
Shares Owned After: 136,637 | Ownership: I (Indirect) | Nature: Shares held Indirectly, by Trust.
[Transaction #3]
Security: Common Stock
Date: 2026-05-15 | Code: M (Exercise of derivative)
Shares: +1,222 | Price: $93.85
Total Value: $114,684.70
Shares Owned After: 137,859 | Ownership: I (Indirect) | Nature: Shares held Indirectly, by Trust.
[Transaction #4]
Security: Common Stock
Date: 2026-05-15 | Code: F (Payment of exercise/tax)
Shares: -335 | Price: $93.85
Total Value: $31,439.75
Shares Owned After: 137,524 | Ownership: I (Indirect) | Nature: Shares held Indirectly, by Trust.
[Transaction #5]
Security: Common Stock
Date: 2026-05-15 | Code: M (Exercise of derivative)
Shares: +1,690 | Price: $93.85
Total Value: $158,606.50
Shares Owned After: 139,214 | Ownership: I (Indirect) | Nature: Shares held Indirectly, by Trust.
[Transaction #6]
Security: Common Stock
Date: 2026-05-15 | Code: F (Payment of exercise/tax)
Shares: -463 | Price: $93.85
Total Value: $43,452.55
Shares Owned After: 138,751 | Ownership: I (Indirect) | Nature: Shares held Indirectly, by Trust.
[Transaction #7]
Security: Common Stock
Date: 2026-05-15 | Code: M (Exercise of derivative)
Shares: +2,015 | Price: $93.85
Total Value: $189,107.75
Shares Owned After: 140,766 | Ownership: I (Indirect) | Nature: Shares held Indirectly, by Trust.
[Transaction #8]
Security: Common Stock
Date: 2026-05-15 | Code: F (Payment of exercise/tax)
Shares: -616 | Price: $93.85
Total Value: $57,811.60
Shares Owned After: 140,150 | Ownership: I (Indirect) | Nature: Shares held Indirectly, by Trust.
[Transaction #9]
Security: Common Stock
Date: 2026-05-15 | Code: M (Exercise of derivative)
Shares: +194 | Price: $93.85
Total Value: $18,206.90
Shares Owned After: 140,344 | Ownership: I (Indirect) | Nature: Shares held Indirectly, by Trust.
[Transaction #10]
Security: Common Stock
Date: 2026-05-15 | Code: S (Open market sale)
Shares: -83 | Price: $93.85
Total Value: $7,789.55
Shares Owned After: 140,261 | Ownership: I (Indirect) | Nature: Shares held Indirectly, by Trust.
[Transaction #11]
Security: Common Stock
Date: 2026-05-15 | Code: M (Exercise of derivative)
Shares: +429 | Price: $93.85
Total Value: $40,261.65
Shares Owned After: 140,690 | Ownership: I (Indirect) | Nature: Shares held Indirectly, by Trust.
[Transaction #12]
Security: Common Stock
Date: 2026-05-15 | Code: F (Payment of exercise/tax)
Shares: -182 | Price: $93.85
Total Value: $17,080.70
Shares Owned After: 140,508 | Ownership: I (Indirect) | Nature: Shares held Indirectly, by Trust.
--- Derivative Transactions ---
[Transaction #1]
Security: Restricted Stock Units
Date: 2026-05-15 | Code: M (Exercise of derivative)
Shares: -702 | Price: $0.00
Shares Owned After: 702 | Ownership: D (Direct)
Footnotes:
[F1] The restricted stock units vest in four quarterly installments of 1,406 shares beginning November 15, 2023, one quarterly installment of 702 shares on November 15, 2024, one quarterly installment of 704 shares on February 15, 2025 and six quarterly installments of 702 shares beginning on May 15, 2025 as long as the individual remains a service provider through the vesting date. Vested shares were delivered to the reporting person upon vest.
[F1] The restricted stock units vest in four quarterly installments of 1,406 shares beginning November 15, 2023, one quarterly installment of 702 shares on November 15, 2024, one quarterly installment of 704 shares on February 15, 2025 and six quarterly installments of 702 shares beginning on May 15, 2025 as long as the individual remains a service provider through the vesting date. Vested shares were delivered to the reporting person upon vest.
[Transaction #2]
Security: Performance Stock Units
Date: 2026-05-15 | Code: M (Exercise of derivative)
Shares: -1,222 | Price: $0.00
Shares Owned After: 702 | Ownership: D (Direct)
Footnotes:
[F2] Each Performance Stock Unit (PSU) granted under the Microchip Technology Incorporated (Microchip) 2004 Equity Incentive Plan represents a contingent right to receive shares of Microchip common stock based on Microchip's cumulative non-GAAP operating margin over a period of 12 quarters ending September 30, 2024. The target number of PSU shares that may be earned is reported in the table above and is based on Microchip achieving a cumulative non-GAAP operating margin of 40.0% over the 12 quarter measurement period. The actual number of shares that may be earned can be higher or lower than the target depending on Microchip's non-GAAP operating margin over the measurement period. Earned PSUs vested ratably over eight quarters beginning on November 15, 2024 as long as the reporting person remains a service provider through the vesting date. Vested shares were delivered to the reporting person upon vest.
[F2] Each Performance Stock Unit (PSU) granted under the Microchip Technology Incorporated (Microchip) 2004 Equity Incentive Plan represents a contingent right to receive shares of Microchip common stock based on Microchip's cumulative non-GAAP operating margin over a period of 12 quarters ending September 30, 2024. The target number of PSU shares that may be earned is reported in the table above and is based on Microchip achieving a cumulative non-GAAP operating margin of 40.0% over the 12 quarter measurement period. The actual number of shares that may be earned can be higher or lower than the target depending on Microchip's non-GAAP operating margin over the measurement period. Earned PSUs vested ratably over eight quarters beginning on November 15, 2024 as long as the reporting person remains a service provider through the vesting date. Vested shares were delivered to the reporting person upon vest.
[Transaction #3]
Security: Restricted Stock Units
Date: 2026-05-15 | Code: M (Exercise of derivative)
Shares: -1,690 | Price: $0.00
Shares Owned After: 0 | Ownership: D (Direct)
Footnotes:
[F3] The restricted stock units vested in full on May 15, 2026. Vested shares were delivered to the reporting person upon vest.
[F3] The restricted stock units vested in full on May 15, 2026. Vested shares were delivered to the reporting person upon vest.
[Transaction #4]
Security: Performance Stock Units
Date: 2026-05-15 | Code: M (Exercise of derivative)
Shares: -2,015 | Price: $0.00
Shares Owned After: 0 | Ownership: D (Direct)
Footnotes:
[F4] Each Performance Stock Unit (PSU) granted under the Microchip Technology Incorporated (Microchip) 2004 Equity Incentive Plan represents a contingent right to receive shares of Microchip common stock based on Microchip's cumulative non-GAAP operating margin over a period of 12 quarters ending March 31, 2025. The target number of PSU shares that may be earned is reported in the table above and is based on Microchip achieving a cumulative non-GAAP operating margin of 40.0% over the 12 quarter measurement period. The actual number of shares that may be earned can be higher or lower than the target depending on Microchip's non-GAAP operating margin over the measurement period. Earned PSUs vested on May 15, 2026. Vested shares were delivered to the reporting person upon vest.
[F4] Each Performance Stock Unit (PSU) granted under the Microchip Technology Incorporated (Microchip) 2004 Equity Incentive Plan represents a contingent right to receive shares of Microchip common stock based on Microchip's cumulative non-GAAP operating margin over a period of 12 quarters ending March 31, 2025. The target number of PSU shares that may be earned is reported in the table above and is based on Microchip achieving a cumulative non-GAAP operating margin of 40.0% over the 12 quarter measurement period. The actual number of shares that may be earned can be higher or lower than the target depending on Microchip's non-GAAP operating margin over the measurement period. Earned PSUs vested on May 15, 2026. Vested shares were delivered to the reporting person upon vest.
[Transaction #5]
Security: Restricted Stock Units
Date: 2026-05-15 | Code: M (Exercise of derivative)
Shares: -194 | Price: $0.00
Shares Owned After: 0 | Ownership: D (Direct)
Footnotes:
[F3] The restricted stock units vested in full on May 15, 2026. Vested shares were delivered to the reporting person upon vest.
[F3] The restricted stock units vested in full on May 15, 2026. Vested shares were delivered to the reporting person upon vest.
[Transaction #6]
Security: Restricted Stock Units
Date: 2026-05-15 | Code: M (Exercise of derivative)
Shares: -429 | Price: $0.00
Shares Owned After: 0 | Ownership: D (Direct)
Footnotes:
[F3] The restricted stock units vested in full on May 15, 2026. Vested shares were delivered to the reporting person upon vest.
[F3] The restricted stock units vested in full on May 15, 2026. Vested shares were delivered to the reporting person upon vest.
--- Footnotes (Complete Index) ---
F1: The restricted stock units vest in four quarterly installments of 1,406 shares beginning November 15, 2023, one quarterly installment of 702 shares on November 15, 2024, one quarterly installment of 704 shares on February 15, 2025 and six quarterly installments of 702 shares beginning on May 15, 2025 as long as the individual remains a service provider through the vesting date. Vested shares were delivered to the reporting person upon vest.
F2: Each Performance Stock Unit (PSU) granted under the Microchip Technology Incorporated (Microchip) 2004 Equity Incentive Plan represents a contingent right to receive shares of Microchip common stock based on Microchip's cumulative non-GAAP operating margin over a period of 12 quarters ending September 30, 2024. The target number of PSU shares that may be earned is reported in the table above and is based on Microchip achieving a cumulative non-GAAP operating margin of 40.0% over the 12 quarter measurement period. The actual number of shares that may be earned can be higher or lower than the target depending on Microchip's non-GAAP operating margin over the measurement period. Earned PSUs vested ratably over eight quarters beginning on November 15, 2024 as long as the reporting person remains a service provider through the vesting date. Vested shares were delivered to the reporting person upon vest.
F3: The restricted stock units vested in full on May 15, 2026. Vested shares were delivered to the reporting person upon vest.
F4: Each Performance Stock Unit (PSU) granted under the Microchip Technology Incorporated (Microchip) 2004 Equity Incentive Plan represents a contingent right to receive shares of Microchip common stock based on Microchip's cumulative non-GAAP operating margin over a period of 12 quarters ending March 31, 2025. The target number of PSU shares that may be earned is reported in the table above and is based on Microchip achieving a cumulative non-GAAP operating margin of 40.0% over the 12 quarter measurement period. The actual number of shares that may be earned can be higher or lower than the target depending on Microchip's non-GAAP operating margin over the measurement period. Earned PSUs vested on May 15, 2026. Vested shares were delivered to the reporting person upon vest.
--- Signature ---
/s/ Deborah L. Wussler, as Attorney-in-Fact (2026-05-19)
