sellModerate cluster of 910b5-1 plan
Roderick De Greef sold $1.0M of BLFS
President and CEO at BIOLIFE SOLUTIONS INC. 37,795 shares at an average of $27.30, traded Oct 22, 2025, filed Oct 24, 2025.
Warning score
45Value
$1.0M
37,795 shares
Holdings after
489,998
-7% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet
Score components
- +25RoleCEO
- +25Trade size$1.0M at market
- 0Share of holdings soldSold 7.2% of holdings
- +15Cluster9 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Rows in this filing
Every transaction in Form 4 0001628280-25-046297, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Oct 22, 2025 | SOpen-market sale Common Stock10b5-1 | -37,795 | $27.30 | $1.0M | 489,998 | Oct 24, 2025 |
Related signals
Other insiders at BIOLIFE SOLUTIONS INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 42Moderate | BLFSsell BIOLIFE SOLUTIONS INC | Casdin Partners Master Fund, L.P. owner | $28M 1,200,000 shares | -20% | |
| 2Weak | BIOLIFE SOLUTIONS INC | Karen A. Foster Chief Quality and Operations | $49k 2,577 shares | -2% | |
| 65Notable | BIOLIFE SOLUTIONS INC | Karen A. Foster Chief Quality and Operations | $2.0M 97,423 shares | -46% | |
| 10Weak | BIOLIFE SOLUTIONS INC | Sarah Aebersold Chief Human Resources Officer | $4,542 219 shares | -0% | |
| 10Weak | BIOLIFE SOLUTIONS INC | Todd Berard Chief Marketing Officer | $7,321 353 shares | -0% | |
| 17Weak | BIOLIFE SOLUTIONS INC | Troy Wichterman Chief Financial Officer | $12k 588 shares | -0% | |
| 10Weak | BIOLIFE SOLUTIONS INC | Aby J. Mathew EVP & Chief Scientific Officer | $11k 529 shares | -0% | |
| 10Weak | BIOLIFE SOLUTIONS INC | Karen A. Foster Chief Quality and Operations | $8,669 418 shares | -0% | |
| 10Weak | BIOLIFE SOLUTIONS INC | Sean Werner Chief Technology Officer | $2,302 111 shares | -0% | |
| 10Weak | BIOLIFE SOLUTIONS INC | Sarah Aebersold Chief Human Resources Officer | $6,167 241 shares | -0% |
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.