Form 4: BioLife Solutions CTO Sells Shares to Cover Tax Obligations

BioLife Solutions' Chief Technology Officer, Sean Werner, sold 109 shares of common stock for $22.46 per share to satisfy tax withholding obligations related to restricted stock vesting.

Summary

• Sean Werner, Chief Technology Officer of BioLife Solutions Inc. (BLFS), reported a sale of common stock.
• The transaction occurred on May 28, 2025.
• A total of 109 shares of common stock were sold at a price of $22.46 per share.
• The sale was executed under a Rule 10b5-1(c) trading plan, which was adopted on February 24, 2022.
• The primary purpose of the sale was to satisfy tax withholding obligations associated with the vesting of restricted stock.
• Following this transaction, Sean Werner beneficially owns 27,675 shares of BioLife Solutions common stock.

Sentiment

Score: 5

Explanation: Neutral. This is a routine, non-discretionary sale for tax purposes, not indicative of management's sentiment about the company's future performance or a change in company fundamentals.

Future Outlook

This Form 4 filing does not contain any forward-looking statements or guidance regarding the company's future performance or outlook.

Management Comments

• The sale reported herein was made pursuant to a Rule 10b5-1 (c) trading plan adopted by the reporting person effective as of 02-24-2022 to satisfy tax withholding obligations in connection with the vesting of shares of restricted stock.

Industry Context

This is a routine insider transaction, common for executives who receive equity compensation. It is not indicative of broader industry trends or specific company performance, but rather a standard mechanism for managing tax liabilities associated with vested stock.

Stakeholder Impact

• Minimal impact on shareholders as this is a routine, non-discretionary sale for tax purposes and does not signal a change in company fundamentals or management's outlook.
• Employees (specifically Sean Werner) are impacted by the vesting of restricted stock, which is a form of compensation.

Key Dates

Recommendation

Keywords

BioLife Solutions, BLFS, Form 4, Insider Trading, Stock Sale, Sean Werner, Chief Technology Officer, Restricted Stock, Tax Withholding, 10b5-1 Plan