Foster Karen A. Insider Trading Activity
Foster Karen A. has been net-selling over the last 12 months with 0 purchases and 7 sales across 1 company.
BLFS is the most-traded position with 7 trades. The largest single transaction was a sale of BLFS for $2.0M on Mar 5, 2026.
Performance Scorecard
Forward stock performance after each transaction by Foster Karen A.. 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 | — | +2.7% | 85% | 13 |
| 90 days | — | -7.4% | 38% | 13 |
| 120 days | — | -9.6% | 46% | 13 |
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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Upgrade to ProRecent Trades
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Mar 23, 2026 ⚠ Filed 6d late | BLFS | Sell | 2,577 | $19.17 | $49K | −2.3% | Chief Quality and Operations | |
Mar 9, 2026 | BLFS | Sell | 500 | $20.00 | $10K | −0.4% | Chief Quality and Operations | |
Mar 5, 2026 | BLFS | Sell | 96,923 | $20.15 | $2.0M | −46.0% | Chief Quality and Operations | |
Mar 3, 2026 | BLFS | Sell | 418 | $20.74 | $9K | −0.2% | Chief Quality and Operations | |
Jan 6, 2026 | BLFS | Sell | 335 | $25.59 | $9K | −0.2% | Chief Quality and Operations | |
Dec 9, 2025 ⚠ Filed 6d late | BLFS | Sell | 519 | $25.13 | $13K | −0.3% | Chief Quality and Operations | |
Nov 25, 2025 Filed 3d late | BLFS | Sell | 415 | $26.74 | $11K | −0.2% | Chief Quality and Operations | |
Oct 9, 2025 Filed 3d late | BLFS | Sell | 419 | $27.36 | $11K | −0.2% | Chief Quality and Operations | |
Sep 11, 2025 | BLFS | Sell | 511 | $26.83 | $14K | −0.3% | Chief Quality and Operations | |
Aug 26, 2025 | BLFS | Sell | 413 | $25.44 | $11K | −0.2% | Chief Quality and Operations | |
Jul 7, 2025 | BLFS | Sell | 400 | $22.27 | $9K | −0.2% | Chief Quality and Operations | |
Jun 10, 2025 | BLFS | Sell | 320 | $23.70 | $8K | −0.2% | Chief Quality and Operations | |
May 28, 2025 | BLFS | Sell | 251 | $22.46 | $6K | −0.1% | Chief Quality and Operations |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| BLFS | BIOLIFE SOLUTIONS INC | 13 | $2.1M |
Other insiders at BIOLIFE SOLUTIONS INC
8 other tracked filers at BLFS.