| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Chief Scientific Officer
1 company
Boniface John J. serves as a Chief Scientific Officer at SERA. Across recent SEC filings that breaks down to 0 buys and 46 sells. Those positions are worth an estimated $298K at current prices.
Historically, Boniface John J.'s trades have earned a middling insider score of 56/100 across 45 rated trades. Over a 12-month horizon, 36.6% of those trades were profitable, with an average 12-month return of -22.8%.
The biggest single holding is SERA (~$298K) as Chief Scientific Officer. The recent filings there lean toward selling, a net 243,890 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 11, 2026 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 1,517 | $2.04 | $3,094.68 | -1.0% | +10.4% | - | |
| Mar 9, 2026 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 3,038 | $1.96 | $5,954.48 | -2.0% | +8.8% | - | |
| Dec 10, 2025 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 1,332 | $3.31 | $4,408.92 | -0.9% | -46.8% | - | |
| Nov 10, 2025 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 7,767 | $2.62 | $20,349.54 | -4.9% | +5.1% | - | |
| Sep 11, 2025 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 1,395 | $3.13 | $4,366.35 | -0.9% | +10.7% | -33.9% | |
| Aug 8, 2025 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 7,094 | $2.54 | $18,018.76 | -4.2% | +8.9% | -16.5% | |
| Jun 10, 2025 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 1,439 | $1.48 | $2,129.72 | -0.8% | +112.8% | +34.2% | |
| May 8, 2025 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 5,132 | $2.44 | $12,522.08 | -3.0% | +29.7% | -11.3% | |
| Mar 6, 2025 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 2,044 | $4.16 | $8,503.04 | -1.2% | -59.0% | -53.5% | |
| Feb 12, 2025 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 5,915 | $4.58 | $27,090.70 | -4.5% | -45.2% | -39.4% |