Skip to contentSEIFERT THOMAS J — Cloudflare, Inc. insider: 1,235 transactions · InsiderLensInsider trading activity of SEIFERT THOMAS J
- Transactions on record
- 1,235
- since Oct 16, 2009
- Open-market buys
- 0
- Open-market sells
- 566
- $272.8M
- Companies traded
- 5
- last filing Jun 17, 2026
Figures computed from official regulatory filings — methodology.
Companies where SEIFERT THOMAS J has traded
Track record of SEIFERT THOMAS J
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of SEIFERT THOMAS J
Co-insiders of SEIFERT THOMAS J
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ANDERSON JAMES ROBERTADVANCED MICRO DEVICES INC
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jun 17, 2026 | Sell | -600 | 232.00 USD | — | SEC |
| Jun 17, 2026 | ExerciseD | -10,000 | 0.00 USD | — | SEC |
| Jun 17, 2026 | Sell | -900 | 228.91 USD | — | SEC |
| Jun 17, 2026 | Sell | -900 | 227.74 USD | — | SEC |
| Jun 17, 2026 | Other | 10,000 | — | — | SEC |
| Jun 17, 2026 | Sell | -2,633 | 234.18 USD | — | SEC |
| Jun 17, 2026 | Sell | -685 | 230.90 USD | — | SEC |
| Jun 17, 2026 | ExerciseD | 10,000 | 0.00 USD | — | SEC |
| Jun 17, 2026 | Sell | -515 | 229.95 USD | — | SEC |
| Jun 17, 2026 | Sell | -600 | 235.34 USD | — | SEC |
| Jun 17, 2026 | Sell | -3,167 | 233.44 USD | — | SEC |
| Jun 17, 2026 | Other | -2,944 | 228.48 USD | — | SEC |
| Jun 17, 2026 | OtherD | -10,000 | 0.00 USD | — | SEC |
| May 19, 2026 | Other | -9,667 | 199.81 USD | $1.9M | SEC |
| May 19, 2026 | Sell | -300 | 195.14 USD | $58.5K | SEC |
| May 19, 2026 | ExerciseD | 10,000 | 0.00 USD | $0 | SEC |
| May 19, 2026 | Sell | -270 | 203.02 USD | $54.8K | SEC |
| May 19, 2026 | Sell | -2,432 | 200.20 USD | $486.9K | SEC |
| May 19, 2026 | Sell | -3,570 | 201.21 USD | $718.3K | SEC |
| May 19, 2026 | Other | 10,000 | — | — | SEC |
| May 19, 2026 | Sell | -400 | 197.81 USD | $79.1K | SEC |
| May 19, 2026 | Sell | -100 | 193.28 USD | $19.3K | SEC |
| May 19, 2026 | OtherD | -10,000 | 0.00 USD | $0 | SEC |
| May 19, 2026 | ExerciseD | -10,000 | 0.00 USD | $0 | SEC |
| May 19, 2026 | Sell | -2,000 | 202.17 USD | $404.3K | SEC |