Aebersold Sarah 4

What Happened Sarah Aebersold, Chief Human Resources Officer of BioLife Solutions (BLFS), received a market‑based restricted stock award that vested on Feb 24, 2026 for 23,548 shares (no cash price). To cover tax withholding on the vesting, 5,734 shares were withheld/disposed at an implied value of $22.65 per share, totaling $129,875. The award vested at ~156% of the originally granted number of shares based on BioLife’s total shareholder return vs. peers (see footnote).

Key Details

• Transaction dates: Award/vesting and withholding occurred on 2026-02-24; Form 4 filed 2026-02-26.
• Transactions reported: Code A (award/acquisition) — 23,548 shares acquired (vesting of restricted stock); Code F (tax withholding) — 5,734 shares withheld @ $22.65, value $129,875.
• Shares owned after transaction: Not specified in the filing.
• Footnotes: F1 — Vesting was market‑based and settled at ~156% of grant based on TSR vs. peers. F2 — 5,734 shares were withheld to satisfy tax withholding obligations.
• Timeliness: Form 4 filed two days after the transaction date (within normal reporting window).

Context This was a vested restricted stock award (market‑based performance award), not an open‑market purchase or voluntary sale. The withholding of shares to cover taxes is a routine administrative step and does not necessarily indicate a discretionary sale for cash; it simply satisfies the tax obligation arising from the vesting.