William A. Heyburn bought $76k of SRTA
Co-CEO and CFO at Strata Critical Medical, Inc.. 17,000 shares at an average of $4.47, traded Dec 9, 2025, filed Dec 10, 2025.
Score components
- +25RoleCEO
- +8Trade size$76k at market
- 0Relative to holdingsHoldings up 1.2%
- +4Price context23% below the 52-week high
- +8Cluster2 insiders buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
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 0001628280-25-056310, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 9, 2025 | POpen-market purchase Class A common stock, $0.0001 par value per share | +17,000 | $4.47 | $76k | 1,403,436 | Dec 10, 2025 |
Related signals
Other insiders at Strata Critical Medical, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 27Weak | Strata Critical Medical, Inc. | Andrew Lauck director | $22k 5,000 shares | +4% | |
| 22Weak | SRTAsell Strata Critical Medical, Inc. | Reginald Love director | $48k 11,000 shares | -9% | |
| 21Weak | SRTAsell Strata Critical Medical, Inc. | Reginald Love director | $47k 11,000 shares | -8% | |
| 23Weak | Strata Critical Medical, Inc. | William A. Heyburn Chief Financial Officer | $232k 46,918 shares | -3% | |
| 21Weak | Strata Critical Medical, Inc. | Melissa M. Tomkiel President and General Counsel | $237k 47,995 shares | -4% | |
| 26Weak | Strata Critical Medical, Inc. | William A. Heyburn Chief Financial Officer | $407k 100,000 shares | -7% | |
| 24Weak | Strata Critical Medical, Inc. | Melissa M. Tomkiel President and General Counsel | $408k 100,000 shares | -8% | |
| 5Weak | Strata Critical Medical, Inc. | William A. Heyburn Chief Financial Officer | $525k 104,570 shares | -8% | |
| 39Weak | Strata Critical Medical, Inc. | John Borthwick director | $313k 78,291 shares | -32% | |
| 30Weak | Strata Critical Medical, Inc. | Reginald Love director | $21k 5,091 shares | -5% |
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.