Seifert Thomas J

Chief Financial OfficerCloudflare, Inc. (NET) · full profile →Form 4 · filed Aug 19, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$3.1M
Net Open-Market Flow
-$3.1M
Transactions
11
8 non-derivative · 3 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 17, 2026Conversion(C)10K121K
Aug 17, 2026Sell(S)900$305.25$275K120K
Aug 17, 2026Sell(S)3K$306.24$902K117K
Aug 17, 2026Sell(S)2K$307.29$755K115K
Aug 17, 2026Sell(S)3K$308.23$956K111K
Aug 17, 2026Sell(S)300$309.07$93K111K
Aug 17, 2026Sell(S)200$312.32$62K111K
Aug 17, 2026Sell(S)100$314.61$31K111K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Aug 17, 2026Option exercise(M)10K$010K
Aug 17, 2026Option exercise(M)10K$019K
Aug 17, 2026Conversion(C)10K$09K

Transaction Codes

C
Conversion of a derivative
S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001473289-26-000025) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.