SRTA Co‑CEO/CFO William Heyburn — 31,671 Shares Withheld for Taxes

What Happened
William A. Heyburn, Co‑CEO, Chief Financial Officer and a director of Strata Critical Medical, had 31,671 shares withheld by the company on 2026‑09‑08 to satisfy tax withholding obligations related to the vesting of restricted stock units. The shares were valued at $5.31 each, totaling approximately $168,173. This was a withholding disposition (tax payment), not an open‑market sale or new purchase.

Key Details

• Transaction date: 2026‑09‑08; Filing date: 2026‑09‑10 (appears timely).
• Disposed/withheld: 31,671 shares at $5.31 per share; total ≈ $168,173.
• Transaction code: F — shares withheld to satisfy tax withholding on RSU vesting.
• Footnote: "Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units."
• Shares owned after transaction: not specified in the provided filing.

Context

• This was a routine tax‑withholding event tied to RSU vesting, not an intentional market sale or purchase; such withholdings are common and do not necessarily signal insider sentiment.
• For retail investors, purchases by insiders generally carry more informational weight than tax withholdings or other disposals.