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 |
|---|---|---|---|---|---|---|
| 2026-06-17 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −900 | $228.91 | $206K | 124,933 |
| 2026-06-17 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −515 | $229.95 | $118K | 124,418 |
| 2026-06-17 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −685 | $230.90 | $158K | 123,733 |
| 2026-06-17 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −600 | $232.00 | $139K | 123,133 |
| 2026-06-17 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −3,167 | $233.44 | $739K | 119,966 |
| 2026-06-17 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −2,633 | $234.18 | $617K | 117,333 |
| 2026-06-17 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −600 | $235.34 | $141K | 116,733 |
| 2026-06-17 | SEIFERT THOMAS J Chief Financial Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −10,000 | 30,000 | ||
| 2026-06-17 | SEIFERT THOMAS J Chief Financial Officer | Option exercise · Class B Common Stock 10b5-1 | +10,000 | 18,925 | ||
| 2026-06-17 | SEIFERT THOMAS J Chief Financial Officer | Conversion · Class B Common Stock 10b5-1 | −10,000 | 8,925 | ||
| 2026-06-15 | SEIFERT THOMAS J Chief Financial Officer | Shares withheld for taxes 10b5-1 | −2,944 | $228.48 | $673K | 116,733 |
| 2026-05-18 | SEIFERT THOMAS J Chief Financial Officer | Conversion 10b5-1 | +10,000 | 222,014 | ||
| 2026-05-18 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −100 | $193.28 | $19K | 221,914 |
| 2026-05-18 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −300 | $195.14 | $59K | 221,614 |
| 2026-05-18 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −400 | $197.81 | $79K | 221,214 |
| 2026-05-18 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −928 | $199.05 | $185K | 220,286 |
| 2026-05-18 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −2,432 | $200.20 | $487K | 217,854 |
| 2026-05-18 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −3,570 | $201.21 | $718K | 214,284 |
| 2026-05-18 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −2,000 | $202.17 | $404K | 212,284 |
| 2026-05-18 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −270 | $203.02 | $55K | 212,014 |
Page 4 of 25 · 492 trades