Form 4: BioLife Solutions CHRO Sells Shares for Tax Obligations

BioLife Solutions' Chief Human Resources Officer, Sarah Aebersold, sold 219 shares of common stock for tax withholding purposes.

Summary

• Sarah Aebersold, Chief Human Resources Officer of BioLife Solutions Inc. (BLFS), reported a sale of common stock.
• The transaction involved the disposition of 219 shares of BLFS common stock.
• The shares were sold at a price of $25.44 per share.
• The sale occurred on August 26, 2025.
• Following this transaction, Ms. Aebersold beneficially owns 78,304 shares of common stock.
• The sale was executed pursuant to a Rule 10b5-1(c) trading plan, adopted on February 24, 2022, to satisfy tax withholding obligations related to the vesting of restricted stock.

Sentiment

Score: 5

Explanation: The transaction is a routine, non-discretionary sale by an officer to cover tax obligations related to restricted stock vesting, executed under a pre-arranged 10b5-1 plan. This type of transaction is generally considered neutral and does not reflect a change in management's confidence or the company's performance.

Industry Context

This filing is a routine disclosure of an insider stock transaction, common across all industries, and does not provide specific insights into broader industry trends or competitive landscape for BioLife Solutions.

Related Party Transactions

• The sale of 219 shares of common stock by Sarah Aebersold, Chief Human Resources Officer, to satisfy tax withholding obligations is a transaction involving a related party (company officer).

Stakeholder Impact

• Shareholders: Minimal direct impact due to the small volume and routine nature of the transaction.
• Employees: No direct impact indicated by this filing.
• Customers, Suppliers, Creditors: No direct impact indicated by this filing.

Key Dates

Keywords

BioLife Solutions, BLFS, Insider Trading, Form 4, Stock Sale, 10b5-1 Plan, Tax Withholding, Sarah Aebersold, Chief Human Resources Officer