Foster Karen A. Insider Trading -- Recent SEC Form 4 Transactions

Foster Karen A. (CIK 1683151) reported 23 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-31). Recent activity: Sell BLFS (2,577 shares), Sell BLFS (1,907 shares), Sell BLFS (96,923 shares), Sell BLFS (500 shares), Sell BLFS (418 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-03-31BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell2,577$49,401
2026-03-23BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell1,907$36,462
2026-03-09BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell96,923$2.0M
2026-03-09BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell500$10,000
2026-03-05BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell418$8,669
2026-02-26BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsBuy32,112$0
2026-02-26BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell13,013$294,744
2026-01-08BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell335$8,573
2025-12-17BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell519$13,042
2025-11-28BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell415$11,097
2025-10-14BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell419$11,464
2025-09-15BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell511$13,710
2025-08-28BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell413$10,507
2025-07-09BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell400$8,908
2025-06-12BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell320$7,584
2025-05-30BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell251$5,637
2025-04-11BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell286$5,751
2025-04-03BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell7,869$178,312
2025-03-20BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsBuy19,099$0
2025-03-20BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsBuy29,711$0
2025-03-13BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell1,331$33,275
2025-03-05BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell324$8,249
2025-02-14BIOLIFE SOLUTIONS INC (BLFS)Chief Quality and OperationsSell78$2,070

Source: SEC Form 4 filings · as of 2026-03-31