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Insider

Roderick De Greef

President and CEO

Roderick De Greef (President and CEO) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in BLFS. The largest single filing was $2.6M of BLFS (100,000 sh across 3 lots, as filed), executed Nov 11 2025.

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Return, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
2
0 buys · 2 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$3.6M
shares × price, as filed
Last traded
Nov 13 2025
Filed Nov 13 2025
Open performance→
Volume by month
$2.6M$1.3M$0Oct 2024Apr 2025Oct 2025Apr 2026Jan 2025 · sells $1.1MOct 2025 · sells $1.0MNov 2025 · sells $2.6M
Buys $0 Sells $4.7M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Not on file 2 filings

Sector per market data · by filing · past 12 months

Most traded names
BLFS BLFS BLFS · 0 buys · 3 sells 3 filings
Recent filings
BLFSSALE BIOLIFE SOLUTIONS INC View filing → $2.6M
100,000 sh across 3 lots
Exec Nov 11 2025
Filed Nov 13 2025 · 5:30 PM ET BLFSSALE BIOLIFE SOLUTIONS INC View filing → $1.0M
37,795 sh × $27.30
Exec Oct 22 2025
Filed Oct 24 2025 · 5:30 PM ET BLFSSALE BIOLIFE SOLUTIONS INC View filing → $1.1M
46,896 sh × $23.43
Exec Oct 31 2024
Filed Jan 8 2025 · 5:30 PM ET †