Mathew Aby J. 4

What Happened

• Mathew Aby, Executive Vice President & Chief Scientific Officer of BioLife Solutions (BLFS), had 2,255 shares withheld by the company on March 19, 2026 to satisfy tax withholding obligations tied to the release of restricted stock units (RSUs). The shares were valued at $19.12 each, representing $43,116 in gross value. This is a routine tax-withholding disposition (not an open-market sale) related to compensation vesting.

Key Details

• Transaction date: 2026-03-19
• Price per share: $19.12; Total value of withheld shares: $43,116
• Transaction type/code: F (shares withheld to satisfy tax obligations)
• Footnote: F1 — Shares were withheld by the issuer to satisfy tax withholding obligations that arose upon release of RSUs.
• Shares owned after transaction: Not specified in the provided filing
• Filing date and timeliness: Report filed 2026-03-23 (filed within the usual 2-business-day window)

Context

• This was a tax-withholding disposition resulting from RSU vesting, effectively a cashless way to cover taxes; it is common and does not indicate an open-market sale or direct signal of the insider’s view on the stock.
• Such withholding transactions are routine and generally less informative about insider sentiment than outright purchases or open-market sales.