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sellWeak cluster of 210b5-1 plan

William A. Heyburn sold $232k of SRTA

Chief Financial Officer at Strata Critical Medical, Inc.. 46,918 shares at an average of $4.94, traded Aug 4, 2025, filed Aug 5, 2025.

Warning score
23
Value
$232k
46,918 shares
Holdings after
1,340,845
-3% from before
From 52-week low
+76%
low $2.51, close $4.43
From 52-week high
-10%
high $4.91, as of Aug 4, 2025

Score components

  • Role
    CFO
    +22
  • Trade size
    $232k at market
    +13
  • Share of holdings sold
    Sold 3.4% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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.

This signal so far: 1m +0.5%, 3m +13.5%, 6m +15.9%.

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.

SRTAOct 9, 2026 · close 4.53
Since filing Aug 5, 2025: +8.9%SPY +25.7% · excess -16.8%

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 0001779128-25-000075, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 1, 2025AGrant or award
Class A common stock, $0.0001 par value per share10b5-1
+139,286$0.00$01,463,940Aug 5, 2025
Aug 1, 2025FTax withholding
Class A common stock, $0.0001 par value per share10b5-1
-76,177$3.99$304k1,387,763Aug 5, 2025
Aug 4, 2025SOpen-market sale
Class A common stock, $0.0001 par value per share10b5-1
-46,918$4.94$232k1,340,845Aug 5, 2025

Related signals

Other insiders at Strata Critical Medical, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
35Weak
SRTAsell 4
Strata Critical Medical, Inc.
Amir Cohen
Chief Accounting Officer
$27k
4,655 shares
-3%
52Moderate
SRTAsell 4
Strata Critical Medical, Inc.
William A. Heyburn
Co-CEO and CFO
$186k
31,671 shares
-2%
46Moderate
SRTAsell 4
Strata Critical Medical, Inc.
Scott M Wunsch
CEO, Logistics
$33k
5,550 shares
-1%
51Moderate
SRTAsell 4
Strata Critical Medical, Inc.
Melissa M. Tomkiel
Co-CEO and General Counsel
$175k
29,730 shares
-2%
19Weak
SRTAsell10b5-1
Strata Critical Medical, Inc.
Amir Cohen
Chief Accounting Officer
$299k
50,875 shares
-25%
4Weak
SRTAsell10b5-1
Strata Critical Medical, Inc.
Amir Cohen
Chief Accounting Officer
$83k
14,306 shares
-7%
45Moderate
SRTAbuy 2
Strata Critical Medical, Inc.
William A. Heyburn
Co-CEO and CFO
$76k
17,000 shares
+1%
27Weak
SRTAbuy 2
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%

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.

William A. Heyburn sold $232k of SRTA | InsiderTell