Key facts
- This page summarizes William A. Heyburn's Form 4 filing for Strata Critical Medical, Inc. (SRTA).
- 3 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 03 Aug 2026, 16:06.
William A. Heyburn - 30 Jul 2026 Form 4 Insider Report for Strata Critical Medical, Inc. (SRTA)
- Reporting relationship
- Co-CEO and CFO, Director
- Issuer ticker
- SRTA
- Reported as of
- 30 Jul 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 03 Aug 2026, 16:06:16 UTC
- Prior SEC filing
- 18 Jun 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Melissa M. Tomkiel, as attorney-in-fact for William A. Heyburn
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
William A. Heyburn filed Form 4 for Strata Critical Medical, Inc. (SRTA) on 03 Aug 2026.
Change
- Previous filing in this sequence was filed on 18 Jun 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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
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
- 03 Aug 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
- +181,071
- Change %
- +12%
- Price
- $0.000000*
- Shares after
- 1,730,068
- Date
- 30 Jul 2026
- Ownership
- Direct
- Footnotes
- F1
SRTA
transaction
Class A common stock, $0.0001 par value per share
Award
- Transaction value
- Shares
- +179,160
- Change %
- +10%
- Price
- $0.000000*
- Shares after
- 1,909,228
- Date
- 30 Jul 2026
- Ownership
- Direct
- Footnotes
- F2
SRTA
transaction
Class A common stock, $0.0001 par value per share
Tax liability
- Transaction value
- Shares
- -199,209
- Change %
- -10%
- Price
- $5.09*
- Shares after
- 1,710,019
- Date
- 31 Jul 2026
- Ownership
- Direct
- Footnotes
- F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 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 March 8, 2024.
Footnote F2
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 March 20, 2025.
Footnote F3
Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of PSUs.