William A. Heyburn - 24 Sep 2026 Form 4 Insider Report for Strata Critical Medical, Inc. (SRTA)

Reporting relationship: Co-CEO and CFO, Director
Issuer ticker: SRTA
Reported as of: 24 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 25 Sep 2026, 16:12:17 UTC
Prior SEC filing: 10 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Melissa M. Tomkiel, as attorney-in-fact for William A. Heyburn

Key filing fact

William A. Heyburn filed Form 4 for Strata Critical Medical, Inc. (SRTA) on 25 Sep 2026.

Key facts

This page summarizes William A. Heyburn's Form 4 filing for Strata Critical Medical, Inc. (SRTA).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 25 Sep 2026, 16:12.

Change

Previous filing in this sequence was filed on 10 Sep 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001859732 Primary reporting owner

Heyburn William A.

Relationship: Co-CEO and CFO, Director
Address: C/O STRATA CRITICAL MEDICAL, INC., 666 THIRD AVENUE, 25TH FLOOR, NEW YORK
Signature: /s/ Melissa M. Tomkiel, as attorney-in-fact for William A. Heyburn
Signature date: 25 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SRTA transaction

Class A common stock, $0.0001 par value per share

Award

Transaction value
Shares: +177,858
Change %: +11%
Price: $0.000000^*
Shares after: 1,856,206
Date: 24 Sep 2026
Ownership: Direct
Footnotes: F1

SRTA transaction

Class A common stock, $0.0001 par value per share

Tax liability

Transaction value
Shares: -98,356
Change %: -5.3%
Price: $5.27^*
Shares after: 1,757,850
Date: 24 Sep 2026
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents shares that were acquired upon the certification of the Compensation Committee of the Issuer's Board of Directors of the satisfaction of performance criteria underlying an award of performance-based restricted stock units ("PSUs") granted to the Reporting Person on August 29. 2025.

Footnote F2

Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of PSUs.