CIK 0001477333 · Large accelerated filer
Cloudflare, Inc.
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- NET
- Exchange
- NYSE
- Industry
- Services-Prepackaged Software
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 270805829
- Phone
- 888.993.5273
- Business address
- 101 TOWNSEND ST., SAN FRANCISCO, CA, 94107
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $109,558,885
- in 11 filings, $109.6M under 10b5-1 plans
Net −$109,558,885. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
- Zatlyn Michelle −$91.2M PRESIDENT & BOARD CO-CHAIR sold 81% of stake
- SEIFERT THOMAS J −$10.1M Chief Financial Officer sold 24% of stake
- Ledbetter Carl −$4.8M Director sold 2% of stake
- Starzak Alissa Michelle −$1.8M Chief Legal Officer sold 5% of stake
- Riley Janel −$1.6M Chief Accounting Officer sold 11% of stake
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-08-20 | SEIFERT THOMAS J Chief Financial Officer | Conversion · Class B Common Stock 10b5-1 | −10,000 | 8,925 | ||
| 2025-08-15 | SEIFERT THOMAS J Chief Financial Officer | Shares withheld for taxes | −20,478 | $195.38 | $4.0M | 221,072 |
| 2025-07-28 | SEIFERT THOMAS J Chief Financial Officer | Conversion 10b5-1 | +40,911 | 40,911 | ||
| 2025-07-28 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −36,239 | $200.28 | $7.3M | 4,672 |
| 2025-07-28 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −4,672 | $201.20 | $940K | 0 |
| 2025-07-28 | SEIFERT THOMAS J Chief Financial Officer | Conversion 10b5-1 | +6,257 | 6,257 | ||
| 2025-07-28 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −6,257 | $200.09 | $1.3M | 0 |
| 2025-07-28 | SEIFERT THOMAS J Chief Financial Officer | Conversion 10b5-1 | +5,600 | 5,600 | ||
| 2025-07-28 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −5,600 | $200.12 | $1.1M | 0 |
| 2025-07-28 | SEIFERT THOMAS J Chief Financial Officer | Conversion 10b5-1 | +6,362 | 6,362 | ||
| 2025-07-28 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −6,362 | $200.15 | $1.3M | 0 |
| 2025-07-28 | SEIFERT THOMAS J Chief Financial Officer | Conversion · Class B Common Stock 10b5-1 | −40,911 | 150,000 | ||
| 2025-07-28 | SEIFERT THOMAS J Chief Financial Officer | Conversion · Class B Common Stock 10b5-1 | −6,257 | 46,100 | ||
| 2025-07-28 | SEIFERT THOMAS J Chief Financial Officer | Conversion · Class B Common Stock 10b5-1 | −5,600 | 46,100 | ||
| 2025-07-28 | SEIFERT THOMAS J Chief Financial Officer | Conversion · Class B Common Stock 10b5-1 | −6,362 | 46,100 | ||
| 2025-07-25 | SEIFERT THOMAS J Chief Financial Officer | Conversion 10b5-1 | +400 | 400 | ||
| 2025-07-25 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −400 | $200.00 | $80K | 0 |
| 2025-07-25 | SEIFERT THOMAS J Chief Financial Officer | Conversion 10b5-1 | +400 | 400 | ||
| 2025-07-25 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −400 | $200.00 | $80K | 0 |
| 2025-07-25 | SEIFERT THOMAS J Chief Financial Officer | Conversion 10b5-1 | +400 | 400 |
Page 11 of 25 · 492 trades