Form 4: BioLife Solutions Officer Sells Shares for Tax

BioLife Solutions' Chief Quality and Operations, Karen A. Foster, sold 415 shares of common stock for tax withholding purposes.

Summary

• Karen A. Foster, Chief Quality and Operations at BIOLIFE SOLUTIONS INC (BLFS), reported a sale of common stock.
• The transaction occurred on November 25, 2025, involving 415 shares of common stock.
• The shares were sold at a price of $26.74 per share.
• The sale was executed pursuant to a Rule 10b5-1(c) trading plan, 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 192,838 shares of common stock directly.

Sentiment

Score: 5

Explanation: The transaction is a routine, pre-planned sale for tax withholding purposes, which is a neutral event and does not indicate a positive or negative sentiment towards the company's future performance.

Future Outlook

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

Industry Context

Routine insider transactions, particularly those for tax withholding purposes under a pre-arranged 10b5-1 plan, are common across all industries and typically do not reflect a change in management's outlook on the company's prospects. They are standard practice for executives receiving equity compensation.

Stakeholder Impact

• Shareholders: Minimal impact as this is a routine, pre-planned transaction for tax purposes and does not signal a change in the company's fundamentals or management's confidence.

Key Dates

Recommendation

This Form 4 filing details a routine, pre-planned sale of shares by an insider to cover tax obligations related to restricted stock vesting. Such transactions are common and typically do not provide new fundamental information about the company's operational performance or future prospects. Therefore, it does not warrant a change in investment recommendation based solely on this filing. Investors should continue to hold based on existing fundamental analysis.

Keywords

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