Form 4: BioLife Solutions CTO Sells Shares to Cover Tax Obligations Under Pre-Arranged Plan

BioLife Solutions' Chief Technology Officer, Sean Werner, sold 65 shares of common stock for $23.70 per share on June 10, 2025, as part of a pre-arranged Rule 10b5-1 trading plan to satisfy tax withholding obligations.

Summary

• Sean Werner, the Chief Technology Officer of BioLife Solutions Inc. (BLFS), reported a sale of company common stock.
• The transaction involved the disposition of 65 shares of common stock.
• The sale occurred on June 10, 2025, at a price of $23.70 per share.
• This sale was executed pursuant to a Rule 10b5-1(c) trading plan, which was adopted by Mr. Werner effective September 1, 2021.
• The primary purpose of the sale was to satisfy tax withholding obligations related to the vesting of restricted stock.
• Following this transaction, Mr. Werner beneficially owns 27,610 shares of BioLife Solutions common stock directly.

Sentiment

Score: 5

Explanation: The sentiment is neutral as this is a routine, pre-planned insider transaction for tax purposes, not indicative of management's view on the company's prospects or significant operational changes.

Future Outlook

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

Industry Context

This Form 4 filing details a routine insider stock transaction for tax purposes and does not provide information relevant to broader industry trends or competitive landscape.

Stakeholder Impact

• Shareholders: The sale of a small number of shares by an executive for tax purposes is a routine event and is unlikely to have a material impact on the company's stock price or shareholder value.

Key Dates

Keywords

BioLife Solutions, BLFS, Sean Werner, Chief Technology Officer, Form 4, SEC filing, insider trading, stock sale, Rule 10b5-1, tax withholding, restricted stock