Greef Roderick De Insider Trading Activity
Greef Roderick De has been net-selling over the last 12 months with 0 purchases and 4 sales across 1 company.
BLFS is the most-traded position with 4 trades. The largest single transaction was a sale of BLFS for $1.0M on Oct 22, 2025.
Performance Scorecard
Forward stock performance after each transaction by Greef Roderick De. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | +4.0% | 100% | 4 |
| 90 days | — | +11.9% | 100% | 4 |
| 120 days | — | +24.9% | 100% | 4 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersBLFS · BIOLIFE SOLUTIONS INC
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Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| BLFS | BIOLIFE SOLUTIONS INC | 4 | $3.6M |
Other insiders at BIOLIFE SOLUTIONS INC
8 other tracked filers at BLFS.
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Chief Quality and Operations
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CFO
11
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Chief Marketing Officer
11
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VP
10
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CTO
8
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10%+ Owner
7
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Director
6
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