Roderick De Greef - Nov 11, 2025 Form 4 Insider Report for BIOLIFE SOLUTIONS INC (BLFS)

Role
President and CEO, Director
Signature
/s/ Roderick de Greef
Stock symbol
BLFS
Transactions as of
Nov 11, 2025
Transactions value $
-$2,580,422
Form type
4
Date filed
11/13/2025, 05:18 PM
Previous filing
Oct 24, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DE GREEF RODERICK President and CEO, Director 3303 MONTE VILLA PARKWAY, SUITE 310, BOTHELL /s/ Roderick de Greef 2025-11-13 0001241181

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BLFS Common Stock Sale -$926K -35.4K -7.23% $26.15 455K Nov 11, 2025 Direct F1
transaction BLFS Common Stock Sale -$865K -33.4K -7.35% $25.88 421K Nov 12, 2025 Direct F2
transaction BLFS Common Stock Sale -$789K -31.2K -7.4% $25.33 390K Nov 13, 2025 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.85 to $26.63, inclusive. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.
F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.64 to $26.40, inclusive. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.
F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.05 to $25.87, inclusive. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.