Transaction · 0001473289-26-000023

Seifert Thomas J

SEIFERT THOMAS J, CFO, reported a transaction classified as withholding at Cloudflare, Inc. involving 2944.000000 shares for an estimated $929656.32. Reported holdings after the transaction were 110846.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FCFO
NETCloudflare, Inc.
Trade date
Aug 15, 2026
Filing date
Aug 18, 2026
View on SEC Insider profile
Estimated value-$929kShares × reported price
Shares traded2.94k$315.78 per share
Holdings after110kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

NET price since this filing

Daily closing prices, with the filing date and available return windows
NET · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -9.6%1w ago -0.4%1d ago +4.8%
Returns since7d -7.5%30d +10.8%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0001473289-26-000023
Class A Common Stock
Transaction date
Aug 15, 2026
Filed Aug 18, 2026, 09:00 PM · 3d delay
Shares
2,944 sh
$315.78 per share
Estimated value
-$929k
Computed from shares × price
Holdings after
110,846 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

-16 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • tax_withholding-22 points

    transaction_code = F

    Tax withholding on vesting shares is mechanical.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Financial Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.

  2. 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.

Original filing · 0001473289-26-000023
Related transactions

0 other transactions

Same SEC filing
Recent company activity

0 recent txs

NET