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Insider · CIK 0001241181

Roderick De Greef

ceopresidentofficerdirector

Files at BLFS (BIOLIFE SOLUTIONS INC). First filing Jan 8, 2025, latest Nov 13, 2025.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 3
$0 bought, $4.7M sold

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
70Notable
BLFSsell 8
BIOLIFE SOLUTIONS INC
$2.6M
100,000 shares
-20%-
45Moderate
BLFSsell 910b5-1
BIOLIFE SOLUTIONS INC
$1.0M
37,795 shares
-7%-
50Moderate
BLFSsell 610b5-1
BIOLIFE SOLUTIONS INC
$1.1M
46,896 shares
-10%-

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Oct 6, 2026BLFS
BIOLIFE SOLUTIONS INC
AGrant or award
Common Stock
+225,670--567,1864 d ago
Oct 6, 2026BLFS
BIOLIFE SOLUTIONS INC
AGrant or award
Common Stock
+237,460--804,6464 d ago
Oct 6, 2026BLFS
BIOLIFE SOLUTIONS INC
FTax withholding
Common Stock
-364,872$38.61$14M439,7744 d ago
Oct 6, 2026BLFS
BIOLIFE SOLUTIONS INC
DDisposition to issuer
Common Stock
-826,454--04 d ago
Sep 18, 2026BLFS
BIOLIFE SOLUTIONS INC
FTax withholding
Common Stock
-2,775$36.69$102k728,19620 d ago
Mar 19, 2026BLFS
BIOLIFE SOLUTIONS INC
FTax withholding
Common Stock
-11,101$19.12$212k733,746Mar 23, 2026
Feb 24, 2026BLFS
BIOLIFE SOLUTIONS INC
AGrant or award
Common Stock
+118,730--508,728Feb 26, 2026
Feb 24, 2026BLFS
BIOLIFE SOLUTIONS INC
AGrant or award
Common Stock
+170,291--679,019Feb 26, 2026
Feb 24, 2026BLFS
BIOLIFE SOLUTIONS INC
FTax withholding
Common Stock
-67,010$22.65$1.5M612,009Feb 26, 2026
Feb 24, 2026BLFS
BIOLIFE SOLUTIONS INC
AGrant or award
Common Stock
+219,024--831,033Feb 26, 2026
Feb 24, 2026BLFS
BIOLIFE SOLUTIONS INC
FTax withholding
Common Stock
-86,186$22.65$2.0M744,847Feb 26, 2026
Nov 11, 2025BLFS
BIOLIFE SOLUTIONS INC
SOpen-market sale
Common Stock
-35,417$26.15$926k454,581Nov 13, 2025
Nov 12, 2025BLFS
BIOLIFE SOLUTIONS INC
SOpen-market sale
Common Stock
-33,418$25.88$865k421,163Nov 13, 2025
Nov 13, 2025BLFS
BIOLIFE SOLUTIONS INC
SOpen-market sale
Common Stock
-31,165$25.33$789k389,998Nov 13, 2025
Oct 22, 2025BLFS
BIOLIFE SOLUTIONS INC
SOpen-market sale
Common Stock10b5-1
-37,795$27.30$1.0M489,998Oct 24, 2025
Mar 18, 2025BLFS
BIOLIFE SOLUTIONS INC
AGrant or award
Common Stock
+112,835--527,793Mar 20, 2025
Oct 31, 2024BLFS
BIOLIFE SOLUTIONS INC
SOpen-market sale
Common Stock10b5-1
-46,896$23.43$1.1M414,958Jan 8, 2025

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Roderick De Greef: insider trades and track record | InsiderTell