Jackson Benjamin Insider Trading Activity
Jackson Benjamin has been net-selling over the last 12 months with 0 purchases and 7 sales across 1 company.
SERA is the most-traded position with 7 trades. The largest single transaction was a sale of SERA for $18K on Nov 10, 2025.
Performance Scorecard
Forward stock performance after each transaction by Jackson Benjamin. 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 | — | -19.5% | 38% | 8 |
| 90 days | — | -14.3% | 14% | 7 |
| 120 days | — | -12.5% | 29% | 7 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersSERA · SERA PROGNOSTICS, INC.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Jun 11, 2026 | SERA | Sell | 2,179 | $2.01 | $4K | −1.3% | General Counsel | |
Mar 11, 2026 | SERA | Sell | 1,027 | $2.04 | $2K | −0.9% | General Counsel | |
Mar 9, 2026 | SERA | Sell | 3,119 | $1.96 | $6K | −2.6% | General Counsel | |
Dec 10, 2025 | SERA | Sell | 892 | $3.31 | $3K | −0.7% | General Counsel | |
Nov 10, 2025 | SERA | Sell | 7,059 | $2.62 | $18K | −5.6% | General Counsel | |
Sep 11, 2025 | SERA | Sell | 934 | $3.13 | $3K | −0.7% | General Counsel | |
Aug 8, 2025 | SERA | Sell | 6,447 | $2.54 | $16K | −4.8% | General Counsel | |
Jun 10, 2025 | SERA | Sell | 965 | $1.48 | $1K | −0.7% | General Counsel |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| SERA | SERA PROGNOSTICS, INC. | 8 | $55K |
Other insiders at SERA PROGNOSTICS, INC.
7 other tracked filers at SERA.