InsiderTrades

DuRoss Amy

SEC CIK 1854968 · EDGAR

Buying vs selling by month open-market trades, last 47 months, BLFS
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
BLFSBIOLIFE SOLUTIONS INCDir 26.9K — $699.2K 162022-05-062026-02-24

Most active insiders at BLFS, 12 months

#InsiderTitleBoughtSold
1 Casdin Partners Master Fund, L.P.10% —$28.12M
2 Casdin Partners GP, LLC10% —$21.41M
3 DE GREEF RODERICKPres, CEO, Dir —$3.61M
4 Foster Karen A.Chief Quality, Ops —$2.07M
5 Wichterman TroyCFO —$873.5K
6 DuRoss AmyDir —$305.7K
7 Mathew Aby J.EVP, CSO —$65.2K
8 GOSWAMI JOYDEEPDir —$48.3K
9 Aebersold SarahCHRO —$45.0K
10 Berard ToddCMO —$42.4K

Transactions 16

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-02-26 2026-02-24 BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir A - Grant — +8,170 26.9K +44% —
2025-12-17 2025-12-15 BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir S - Sale $24.60 -2,000 18.7K -10% -$49.2K
M 2025-11-28 2025-11-25+ BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir S - Sale $27.00 -4,000 20.7K -16% -$108.0K
M 2025-11-21 2025-11-19+ BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir S - Sale $24.76 -6,000 24.7K -20% -$148.5K
2025-03-20 2025-03-18 BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir A - Grant — +6,876 30.7K +29% —
2025-03-20 2025-03-14 BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir S - Sale $24.96 -5,632 23.8K -19% -$140.6K
M 2024-03-13 2024-03-12+ BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir S - Sale $16.92 -11.2K 29.4K -28% -$189.5K
2024-03-13 2024-03-08 BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir A - Grant — +11.3K 40.6K +38% —
2023-11-03 2023-11-01 BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir A - Grant — +598 29.4K +2% —
2023-10-10 2023-10-01 BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir A - Grant — +437 28.8K +2% —
2023-01-18 2023-01-03 BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir A - Grant — +10.2K 28.3K +56% —
2022-11-17 2022-11-15 BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir S - Sale $24.35 -2,600 18.2K -13% -$63.3K
2022-08-02 2022-08-01 BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir A - Grant — +295 20.8K +1% —
2022-07-06 2022-07-01 BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir A - Grant — +389 20.5K +2% —
2022-06-03 2022-06-01 BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir A - Grant — +343 20.1K +2% —
2022-05-10 2022-05-06 BLFS BIOLIFE SOLUTIONS INC DuRoss Amy Dir A - Grant — +14.7K 19.7K +295% —

Purchase Sale Sale after option exercise All abbreviations