Greedy Insider
BLFS Insider Trades and Greediness Scores
BIOLIFE SOLUTIONS INC (BLFS) insider trades: since Nov 11, 2025, Greedy Insider recorded 0 open-market buys and 81 sales on Form 4 from 9 insiders. The strongest recent filing scored 94 (Strong).
Who bought and who sold
Across the last 81 scoreable Form 4 transactions in BLFS, 0 were open-market purchases and 81 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| Wichterman Troy | CFO | Sell | 95933.0 | 3703973.2 | 2026-10-06 | 91 | View |
| DE GREEF RODERICK | CEO | Sell | 364872.0 | 14087708.0 | 2026-10-06 | 91 | View |
| Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 70000.0 | 2702700.0 | 2026-10-06 | 91 | View |
| Berard Todd | Chief Marketing Officer | Sell | 46170.0 | 1782623.8 | 2026-10-06 | 91 | View |
| Werner Sean | Chief Technology Officer | Sell | 71226.0 | 2750035.8 | 2026-10-06 | 91 | View |
| Berard Todd | Chief Marketing Officer | Sell | 470.0 | 17244.3 | 2026-09-18 | 71 | View |
| Werner Sean | Chief Technology Officer | Sell | 421.0 | 15446.49 | 2026-09-18 | 71 | View |
| Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 564.0 | 20693.16 | 2026-09-18 | 71 | View |
| DE GREEF RODERICK | President | Sell | 2775.0 | 101814.75 | 2026-09-18 | 71 | View |
| Wichterman Troy | CFO | Sell | 937.0 | 34378.53 | 2026-09-18 | 71 | View |
The strongest recent filing
Aebersold Sarah (Chief Human Resources Officer) sold 5,734 shares of BIOLIFE SOLUTIONS INC on Feb 24, 2026, a filing that scored 94 (Strong). It scored Strong because a senior insider was trading and several insiders moved the same way within a week. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 7 insiders (Werner Sean, Foster Karen A., Mathew Aby J., Wichterman Troy) traded BLFS the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with BIOLIFE SOLUTIONS INC's own history
Open-market buys make up 0% of the 81 scoreable BLFS transactions on record between Nov 11, 2025 and Oct 6, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 81
- Open-market buys: 0
- Sales: 81
- Distinct insiders: 9
- Strongest recent Greediness Score: 94 (Strong)
Primary sources
Related
- Strongest filing
- BLFS in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.