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Insider

Roderick De Greef

President and CEO

Roderick De Greef (President and CEO) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), 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. Data as of Nov 8 2026.

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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
1
0 buys · 1 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
–
no filings in the window
Last traded
Nov 13 2025
Filed Nov 13 2025
Open performance→
Volume by month
$2.6M$1.3M$0Dec 2024Jun 2025Dec 2025Jun 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

Most traded names
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 †