Werner Sean 4

What Happened

• Sean Werner, Chief Technology Officer of BioLife Solutions (BLFS), had 420 shares withheld by the company on June 18, 2026 to satisfy tax withholding obligations arising from the release of restricted stock units (RSUs). The withholding was recorded at $26.04 per share for a total value of $10,937. This is a routine tax-withholding disposition rather than an open-market sale.

Key Details

• Transaction date: 2026-06-18
• Price used for withholding: $26.04 per share
• Shares withheld/disposed: 420; total value ≈ $10,937
• Shares owned after transaction: Not reported in the supplied filing
• Footnote: F1 — shares were withheld by the issuer to satisfy the reporting person’s tax withholding obligations upon RSU release
• Timeliness: Filing date 2026-06-22; filed within the standard two business-day window (not late)

Context

• This transaction is a tax-withholding event tied to the vesting/release of RSUs. Withheld shares are retained by the company to cover taxes, not sold in the open market, and are generally considered routine administrative actions rather than signals of insider sentiment.