CFO Troy Wichterman Sells 1,026 Shares of BioLife Solutions at $26.10 for Tax Withholding

BioLife Solutions Inc. CFO Troy Wichterman filed a Form 4 disclosing the sale of 1,026 shares of common stock on June 8, 2026, at a price of $26.10 per share. The transaction was coded as "F" (tax withholding) and represents shares withheld by the company to satisfy tax withholding obligations that arose upon the release of restricted stock units. Following this transaction, Wichterman's remaining ownership stands at 215,030 shares. The filing was signed on June 10, 2026, and the transaction was reported as a disposition (code "D") of shares. This is a routine transaction related to equity compensation and tax obligations rather than a discretionary sale by the executive.