Form 4: BioLife Solutions Officer Sells Shares for Tax Obligations

BioLife Solutions' Chief Quality and Operations Officer, Karen A. Foster, sold 413 shares of common stock for tax withholding purposes.

Summary

• Karen A. Foster, Chief Quality and Operations Officer and Director at BIOLIFE SOLUTIONS INC (BLFS), reported a transaction.
• On August 26, 2025, Foster disposed of 413 shares of common stock.
• The shares were sold at a price of $25.44 per share.
• The sale was executed pursuant to a Rule 10b5-1(c) trading plan, which was adopted on February 24, 2022.
• The purpose of the sale was to satisfy tax withholding obligations related to the vesting of restricted stock.
• Following this transaction, Karen A. Foster beneficially owns 194,183 shares of common stock directly.

Sentiment

Score: 5

Explanation: The transaction is a routine, non-discretionary sale for tax withholding purposes under a pre-arranged 10b5-1 plan, indicating a neutral impact on company sentiment.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding the company's future performance or strategic direction.

Industry Context

This insider transaction is a routine disclosure for a public company executive and does not inherently reflect broader industry trends or competitive positioning. It is a standard event related to executive compensation and tax planning.

Stakeholder Impact

• Shareholders: Minimal direct impact as this is a routine, pre-planned sale for tax purposes and not indicative of a change in management's view of the company's prospects.
• Employees: No direct impact.

Key Dates

Recommendation

The reported transaction is a routine, non-discretionary sale by an executive to cover tax obligations associated with restricted stock vesting, executed under a pre-established 10b5-1 trading plan. This type of insider sale does not typically signal a change in the company's fundamentals or management's confidence, and therefore, does not warrant a change in investment recommendation based solely on this filing.

Keywords

BIOLIFE SOLUTIONS, BLFS, Insider Trading, Form 4, Stock Sale, Executive Compensation, Rule 10b5-1, Tax Withholding