Aby J. Mathew - 11 Sep 2025 Form 4 Insider Report for BIOLIFE SOLUTIONS INC (BLFS)

Signature
/s/ Aby J. Mathew
Issuer symbol
BLFS
Transactions as of
11 Sep 2025
Transactions value $
-$16,903
Form type
4
Filing time
15 Sep 2025, 17:02:17 UTC
Previous filing
28 Aug 2025
Next filing
14 Oct 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mathew Aby J. EVP & Chief Scientific Officer 3303 MONTE VILLA PARKWAY, SUITE 310, BOTHELL /s/ Aby J. Mathew 15 Sep 2025 0001556355

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BLFS Common Stock Sale -$16.9K -630 -0.18% $26.83 351K 11 Sep 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 The sale reported herein was made pursuant to a Rule 10b5-1 (c) trading plan adopted by the reporting person effective as of 03-08-2024 to satisfy tax withholding obligations in connection with the vesting of shares of restricted stock.