Thomas J Seifert sold $1.2M of NET
CHIEF FINANCIAL OFFICER at Cloudflare, Inc.. 10,000 shares at an average of $120.00, traded Mar 20, 2025, filed Mar 21, 2025.
Score components
- +22RoleCFO
- +25Trade size$1.2M at market
- 0Share of holdings soldSold 3.3% of holdings
- +15Cluster3 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001415889-25-008774, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 20, 2025 | CConversion Class A Common Stock10b5-1 | +10,000 | - | - | 303,582 | Mar 21, 2025 |
| Mar 20, 2025 | SOpen-market sale Class A Common Stock10b5-1 | -10,000 | $120.00 | $1.2M | 293,582 | Mar 21, 2025 |
| Mar 20, 2025 | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -10,000 | $0.00 | $0 | 180,341 | Mar 21, 2025 |
| Mar 20, 2025 | MOption exercise Class B Common Stockderivative10b5-1 | +10,000 | $0.00 | $0 | 18,925 | Mar 21, 2025 |
| Mar 20, 2025 | CConversion Class B Common Stockderivative10b5-1 | -10,000 | $0.00 | $0 | 8,925 | Mar 21, 2025 |
Related signals
Other insiders at Cloudflare, Inc. and this insider’s other filings.
| Score | Side | Company | Insider | Value | Shares | Filed |
|---|---|---|---|---|---|---|
| 28Weak | sell 210b5-1 | NET Cloudflare, Inc. | Carl Ledbetter director | $1.8M | 5,000 | |
| 27Weak | sell 310b5-1 | NET Cloudflare, Inc. | Thomas J Seifert Chief Financial Officer | $3.3M | 10,000 | |
| 35Weak | sell 310b5-1 | NET Cloudflare, Inc. | Carl Ledbetter director | $1.6M | 5,000 | |
| 45Moderate | sell 310b5-1 | NET Cloudflare, Inc. | Michelle Zatlyn PRESIDENT & BOARD CO-CHAIR | $28M | 99,009 | |
| 45Moderate | sell 310b5-1 | NET Cloudflare, Inc. | Michelle Zatlyn President and Board Co-Chair | $9.6M | 76,920 | |
| 65Notable | sell 410b5-1 | NET Cloudflare, Inc. | Matthew Prince CEO & Board Co-Chair | $18M | 157,152 | |
| 26Weak | sell 510b5-1 | NET Cloudflare, Inc. | Douglas James Kramer Chief Legal Officer | $420k | 3,000 | |
| 27Weak | sell 510b5-1 | NET Cloudflare, Inc. | Thomas J Seifert Chief Financial Officer | $2.1M | 15,000 | |
| 65Notable | sell 610b5-1 | NET Cloudflare, Inc. | Matthew Prince CEO & Board Co-Chair | $23M | 157,152 | |
| 40Moderate | sell 610b5-1 | NET Cloudflare, Inc. | Katrin Suder director | $1.4M | 9,941 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.