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

Role
President and CEO, Director
Signature
/s/ Roderick de Greef
Issuer symbol
BLFS
Transactions as of
11 Nov 2025
Net transactions value
-$2,580,422
Form type
4
Filing time
13 Nov 2025, 17:18:13 UTC
Previous filing
24 Oct 2025
Next filing
26 Feb 2026
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 13 Nov 2025 0001241181

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BLFS Common Stock Sale $926,155 -35,417 -7.2% $26.15 454,581 11 Nov 2025 Direct F1
transaction BLFS Common Stock Sale $864,858 -33,418 -7.4% $25.88 421,163 12 Nov 2025 Direct F2
transaction BLFS Common Stock Sale $789,409 -31,165 -7.4% $25.33 389,998 13 Nov 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.