InsiderClue
Stocks · Health care · Electromedical & Electrotherapeutic Apparatus

BIOLIFE SOLUTIONS INC

BLFS Clue Score49
United States Fiscal year ends December CIK 0000834365 Results filed 6 Aug 2026
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What the insiders did Net selling

Individual transactions

15
Insider
Date
Role
Action
Shares
Price
Amount
Casdin Partners Master Fund, L.P.
21 May 2026
10% owner
Sell indirect
650,000
$23.70
$15.41M
Casdin Partners Master Fund, L.P.
20 May 2026
10% owner
Sell indirect
250,000
$23.70
$5.93M
Casdin Partners Master Fund, L.P.
19 May 2026
10% owner
Sell indirect
300,000
$22.65
$6.80M
Karen A. Foster
9 Mar 2026
Chief Quality and Operations
Sell
500
$20.00
$10.00K
Karen A. Foster
5 Mar 2026
Chief Quality and Operations
Sell
96,923
$20.15
$1.95M
Amy DuRoss
15 Dec 2025
Director
Sell
2,000
$24.60
$49.20K
Troy Wichterman
4 Dec 2025
Chief Financial Officer
Sell
30,000
$25.72
$771.60K
Amy DuRoss
26 Nov 2025
Director
Sell
2,000
$27.00
$54.00K
Amy DuRoss
25 Nov 2025
Director
Sell
2,000
$27.00
$54.00K
Amy DuRoss
21 Nov 2025
Director
Sell
1,000
$26.00
$26.00K
Amy DuRoss
20 Nov 2025
Director
Sell
4,523
$24.51
$110.86K
Amy DuRoss
19 Nov 2025
Director
Sell
477
$24.50
$11.69K
Greef Roderick De
13 Nov 2025
President and CEO
Sell
31,165
$25.33
$789.41K
Greef Roderick De
12 Nov 2025
President and CEO
Sell
33,418
$25.88
$864.86K
Greef Roderick De
11 Nov 2025
President and CEO
Sell
35,417
$26.15
$926.15K
Show all 39 transactions →

What was left out

Form 4 filings counted 84
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 1
Sales on a Rule 10b5-1 plan 24
Sales straight out of an exercise 0
Sales at will 15
Transactions with no price 0
Shares from compensation/vesting 4,570,486
History held since 9 Feb 2007