Foster Karen A. 4
4 · BIOLIFE SOLUTIONS INC · Filed Feb 26, 2026
Research Summary
AI-generated summary of this filing
BioLife (BLFS) Chief Quality Ops Karen Foster Receives Award
What happened Karen A. Foster, BioLife Solutions' Chief Quality and Operations officer, had 32,112 restricted shares vest on February 24, 2026 (award/vesting). To satisfy tax-withholding obligations, 13,013 of those shares were withheld and disposed at $22.65 per share, generating $294,744. Net shares received by Foster from the vesting were 19,099 (32,112 granted minus 13,013 withheld). The primary transaction is a vested equity award (A); the share disposition was a tax-withholding sale (F), not an open-market sell for cash gain.
Key details
- Transaction date: 2026-02-24; Form 4 filed 2026-02-26 (filed two days after the transaction).
- Awarded/vested shares: 32,112 (price N/A for award).
- Shares withheld/disposed for taxes: 13,013 at $22.65 per share, total $294,744.
- Net new shares received by insider: 19,099 (32,112 − 13,013).
- Shares owned after transaction: not specified in the filing.
- Footnotes: Vesting was performance-based — the restricted stock vested at ~156% of the original grant based on BioLife’s total shareholder return vs. selected peers (per compensation committee/consultant). The withheld shares were used to cover tax withholding obligations.
Context This was a compensation-related vesting event tied to performance metrics, not an ordinary open-market purchase or a discretionary sale. Withholding shares to cover taxes is common and should not be interpreted as a directional market bet; purchases typically carry more informational weight for investors than routine tax-withholding dispositions.
Insider Transaction Report
- Award
Common Stock
[F1]2026-02-24+32,112→ 224,096 total - Tax Payment
Common Stock
[F2]2026-02-24$22.65/sh−13,013$294,744→ 211,083 total
Footnotes (2)
- [F1]The restricted stock was granted pursuant to the BioLife Solutions 2023 Omnibus Performance Incentive Plan. In accordance with the terms of the grant, the restricted stock vested as to approximately 156% of the number of shares granted based on the registrant's total shareholder return during the period beginning on January 1, 2024 through December 31, 2025 as compared to the total shareholder return of certain of the registrant's peers (such peers have been determined by the registrant's compensation committee with assistance of an outside consultant immediately prior to the grant date).
- [F2]Represents shares withheld to cover tax withholding obligations in connection with the vesting of the market-based restricted stock award.