Sean Werner - 18 Jul 2025 Form 4 Insider Report for BIOLIFE SOLUTIONS INC (BLFS)

Reporting relationship: Chief Technology Officer
Issuer ticker: BLFS
Reported as of: 18 Jul 2025
Net transaction value: -$23,660
SEC form: 4
Accepted by SEC: 22 Jul 2025, 17:33:30 UTC
Prior SEC filing: 12 Jun 2025
Next SEC filing: 28 Aug 2025
Source filing: View source filing
Reporting owner signature: /s/ Sean Werner

Key filing fact

Sean Werner filed Form 4 for BIOLIFE SOLUTIONS INC (BLFS) on 22 Jul 2025.

Key facts

This page summarizes Sean Werner's Form 4 filing for BIOLIFE SOLUTIONS INC (BLFS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 22 Jul 2025, 17:33.

Change

Previous filing in this sequence was filed on 12 Jun 2025.
Current net transaction value: -$23,660.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002047541 Primary reporting owner

Werner Sean

Relationship: Chief Technology Officer
Address: 3303 MONTE VILLA PARKWAY, SUITE 310, BOTHELL
Signature: /s/ Sean Werner
Signature date: 22 Jul 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BLFS transaction

Common Stock

Sale

Transaction value: $23,660
Shares: -1,115
Change %: -4%
Price: $21.22
Shares after: 26,495
Date: 18 Jul 2025
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 1 footnote

Footnote F1

The sale reported herein was made pursuant to a Rule 10b5-1 (c) trading plan adopted by the reporting person effective as of 07-17-2024 to satisfy tax withholding obligations in connection with the vesting of shares of restricted stock.