# Seifert Thomas J: insider trades

Canonical: https://sec-api.dev/insiders/seifert-thomas-j-1473289

> 38 transactions across 1 companies: 0 purchases, 31 sales. SEC CIK 1473289.

| Date | Company | Code | Shares | Price | Filing |
| --- | --- | --- | --- | --- | --- |
| 2026-09-17 | Cloudflare, Inc. | S | 600.0 | 335.32 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000029/0001473289-26-000029-index.htm |
| 2026-09-17 | Cloudflare, Inc. | S | 100.0 | 336.51 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000029/0001473289-26-000029-index.htm |
| 2026-09-17 | Cloudflare, Inc. | C | 10000.0 |  | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000029/0001473289-26-000029-index.htm |
| 2026-09-17 | Cloudflare, Inc. | S | 100.0 | 318.9 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000029/0001473289-26-000029-index.htm |
| 2026-09-17 | Cloudflare, Inc. | S | 100.0 | 320.89 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000029/0001473289-26-000029-index.htm |
| 2026-09-17 | Cloudflare, Inc. | S | 100.0 | 326.56 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000029/0001473289-26-000029-index.htm |
| 2026-09-17 | Cloudflare, Inc. | S | 1868.0 | 334.59 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000029/0001473289-26-000029-index.htm |
| 2026-09-17 | Cloudflare, Inc. | S | 700.0 | 329.37 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000029/0001473289-26-000029-index.htm |
| 2026-09-17 | Cloudflare, Inc. | S | 700.0 | 330.23 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000029/0001473289-26-000029-index.htm |
| 2026-09-17 | Cloudflare, Inc. | S | 1196.0 | 331.59 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000029/0001473289-26-000029-index.htm |
| 2026-09-17 | Cloudflare, Inc. | S | 1604.0 | 332.5 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000029/0001473289-26-000029-index.htm |
| 2026-09-17 | Cloudflare, Inc. | S | 2632.0 | 333.62 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000029/0001473289-26-000029-index.htm |
| 2026-09-17 | Cloudflare, Inc. | S | 300.0 | 328.04 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000029/0001473289-26-000029-index.htm |
| 2026-09-15 | Cloudflare, Inc. | F | 2944.0 | 327.23 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000027/0001473289-26-000027-index.htm |
| 2026-08-17 | Cloudflare, Inc. | S | 900.0 | 305.25 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000025/0001473289-26-000025-index.htm |
| 2026-08-17 | Cloudflare, Inc. | S | 2944.0 | 306.24 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000025/0001473289-26-000025-index.htm |
| 2026-08-17 | Cloudflare, Inc. | S | 2456.0 | 307.29 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000025/0001473289-26-000025-index.htm |
| 2026-08-17 | Cloudflare, Inc. | S | 3100.0 | 308.23 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000025/0001473289-26-000025-index.htm |
| 2026-08-17 | Cloudflare, Inc. | S | 300.0 | 309.07 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000025/0001473289-26-000025-index.htm |
| 2026-08-17 | Cloudflare, Inc. | S | 200.0 | 312.32 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000025/0001473289-26-000025-index.htm |
| 2026-08-17 | Cloudflare, Inc. | S | 100.0 | 314.61 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000025/0001473289-26-000025-index.htm |
| 2026-08-17 | Cloudflare, Inc. | C | 10000.0 |  | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000025/0001473289-26-000025-index.htm |
| 2026-08-15 | Cloudflare, Inc. | F | 2944.0 | 315.78 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000023/0001473289-26-000023-index.htm |
| 2026-08-04 | Cloudflare, Inc. | S | 1139.0 | 301.0 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000021/0001473289-26-000021-index.htm |
| 2026-08-04 | Cloudflare, Inc. | S | 53861.0 | 300.28 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000021/0001473289-26-000021-index.htm |
| 2026-08-04 | Cloudflare, Inc. | M | 55000.0 | 44.72 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000021/0001473289-26-000021-index.htm |
| 2026-07-17 | Cloudflare, Inc. | S | 500.0 | 274.6 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000018/0001473289-26-000018-index.htm |
| 2026-07-17 | Cloudflare, Inc. | S | 200.0 | 266.19 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000018/0001473289-26-000018-index.htm |
| 2026-07-17 | Cloudflare, Inc. | S | 100.0 | 267.76 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000018/0001473289-26-000018-index.htm |
| 2026-07-17 | Cloudflare, Inc. | C | 10000.0 |  | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000018/0001473289-26-000018-index.htm |
| 2026-07-17 | Cloudflare, Inc. | S | 300.0 | 270.5 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000018/0001473289-26-000018-index.htm |
| 2026-07-17 | Cloudflare, Inc. | S | 800.0 | 279.91 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000018/0001473289-26-000018-index.htm |
| 2026-07-17 | Cloudflare, Inc. | S | 300.0 | 281.29 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000018/0001473289-26-000018-index.htm |
| 2026-07-17 | Cloudflare, Inc. | S | 1559.0 | 275.79 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000018/0001473289-26-000018-index.htm |
| 2026-07-17 | Cloudflare, Inc. | S | 1741.0 | 276.63 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000018/0001473289-26-000018-index.htm |
| 2026-07-17 | Cloudflare, Inc. | S | 3299.0 | 277.68 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000018/0001473289-26-000018-index.htm |
| 2026-07-17 | Cloudflare, Inc. | S | 1201.0 | 278.76 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000018/0001473289-26-000018-index.htm |
| 2026-07-15 | Cloudflare, Inc. | F | 2943.0 | 281.75 | https://www.sec.gov/Archives/edgar/data/1477333/000147328926000018/0001473289-26-000018-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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