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 |
|---|---|---|---|---|---|---|
| 2026-03-17 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −5,000 | $212.57 | $1.1M | 226,625 |
| 2026-03-17 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −2,000 | $213.23 | $426K | 224,625 |
| 2026-03-17 | SEIFERT THOMAS J Chief Financial Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −10,341 | 60,000 | ||
| 2026-03-17 | SEIFERT THOMAS J Chief Financial Officer | Option exercise · Class B Common Stock 10b5-1 | +10,341 | 19,266 | ||
| 2026-03-17 | SEIFERT THOMAS J Chief Financial Officer | Conversion · Class B Common Stock 10b5-1 | −10,341 | 8,925 | ||
| 2026-03-15 | SEIFERT THOMAS J Chief Financial Officer | Shares withheld for taxes 10b5-1 | −2,943 | $212.45 | $625K | 224,625 |
| 2026-02-20 | SEIFERT THOMAS J Chief Financial Officer | Conversion 10b5-1 | +10,000 | 127,009 | ||
| 2026-02-20 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −8,279 | $177.18 | $1.5M | 118,730 |
| 2026-02-20 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −4,700 | $178.53 | $839K | 114,030 |
| 2026-02-20 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −2,400 | $179.51 | $431K | 111,630 |
| 2026-02-20 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −1,900 | $180.68 | $343K | 109,730 |
| 2026-02-20 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −1,500 | $181.82 | $273K | 108,230 |
| 2026-02-20 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −1,300 | $182.53 | $237K | 106,930 |
| 2026-02-20 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −1,000 | $183.78 | $184K | 105,930 |
| 2026-02-20 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −700 | $185.09 | $130K | 105,230 |
| 2026-02-20 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −500 | $186.10 | $93K | 104,730 |
| 2026-02-20 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −200 | $187.39 | $37K | 104,530 |
| 2026-02-20 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −300 | $188.77 | $57K | 104,230 |
| 2026-02-20 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −2,613 | $190.35 | $497K | 101,617 |
| 2026-02-20 | SEIFERT THOMAS J Chief Financial Officer | Sale 10b5-1 | −8,133 | $191.13 | $1.6M | 93,484 |
Page 6 of 25 · 492 trades