4Filing Date: Sep 15, 2026
Cloudflare (NET)
Statement of Changes in Beneficial Ownership
View SEC Filing
ACC: 0001473289-26-000027
Total Value$963.4K
Trades2
Insiders1
Transaction Details
SEIFERT THOMAS J
Chief Financial Officer·Direct
Tax W/H · Dispose
Class A Common Stock
Shares-2.94K
Price$327.23
Total Value$963.4K
Shares Owned After107.90K
Transaction DateSep 15, 2026
Footnotes ▸
The shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.
SEIFERT THOMAS J
Chief Financial Officer·Indirect · See footnote
Class A Common Stock
Shares0
Price-
Total Value$0
Shares Owned After92.34K
Footnotes ▸
The shares are held of record by the 2026 Seifert Grantor Retained Annuity Trust dated May 27, 2026, for which the reporting person serves as trustee.
Post-Transaction Holdings
SEIFERT THOMAS J · Chief Financial Officer
| Security | Shares | Change |
|---|---|---|
| Class A Common Stock | 200.24K | -2.94K (-1.45%) |
auto_awesomeDeep Analysis
Deep Analysis
Cloudflare CFO Thomas Seifert had 2,944 shares withheld at $327.23 — about $963K — to cover taxes on vesting RSUs, with no open-market sale and no 10b5-1 plan in play.
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Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-09-15
10b5-1 Pre-arranged Plan: No
--- Issuer ---
Name: Cloudflare, Inc. (NET)
CIK: 0001477333
--- Reporting Owner ---
Name: SEIFERT THOMAS J
CIK: 0001473289
Role: Officer (Chief Financial Officer)
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Class A Common Stock
Date: 2026-09-15 | Code: F (Payment of exercise/tax)
Shares: -2,944 | Price: $327.23
Total Value: $963,365.12
Shares Owned After: 107,902 | Ownership: D (Direct)
Footnotes:
[F1] The shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.
--- Holdings ---
[Holding #1]
Security: Class A Common Stock
Ownership: I (Indirect)
Footnotes:
[F2] The shares are held of record by the 2026 Seifert Grantor Retained Annuity Trust dated May 27, 2026, for which the reporting person serves as trustee.
--- Footnotes (Complete Index) ---
F1: The shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.
F2: The shares are held of record by the 2026 Seifert Grantor Retained Annuity Trust dated May 27, 2026, for which the reporting person serves as trustee.
--- Signature ---
/s/ /s/ Charlotte Bowe, by power of attorney (2026-09-15)