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

22
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
Casdin Partners Master Fund, L.P.
15 Oct 2025
10% owner
Sell indirect
750,000
$28.55
$21.41M
Todd Berard
25 Aug 2025
Chief Marketing Officer
Sell
10,000
$25.53
$255.30K
Casdin Partners Master Fund, L.P.
15 Aug 2025
10% owner
Sell indirect
500,000
$24.40
$12.20M
Casdin Partners Master Fund, L.P.
11 Aug 2025
10% owner
Sell indirect
500,000
$22.60
$11.30M
Casdin Partners Master Fund, L.P.
10 Jun 2025
10% owner
Sell indirect
1,000,000
$23.80
$23.80M
Amy DuRoss
13 Mar 2024
Director
Sell
5,065
$17.00
$86.11K
Amy DuRoss
12 Mar 2024
Director
Sell
6,135
$16.86
$103.44K
Showing 250 of 946 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 970
Amendments (4/A) skipped 17
Filings about a different issuer 0
Unreadable filings 0
Joint filings 55
Sales on a Rule 10b5-1 plan 256
Sales straight out of an exercise 310
Sales at will 352
Transactions with no price 1
Shares from compensation/vesting 14,890,953
Sales filed before the plan box existed 319
History held since 9 Feb 2007