| 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
John J. Boniface is Chief Scientific Officer at SERA. From December 2021 to March 2026, the filings on record show 0 open-market purchases and 40 sales. John J. Boniface's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $281K at current prices.
Historically, John J. Boniface'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 SERA filings lean toward selling, a net 243,890 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| May 10, 2022 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 2,725 | $1.97 | $5,368.25 | -3.4% | +17.6% | +70.6% | |
| May 4, 2022 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sale+OE | 1,000 | $2.17 | $2,170.00 | -1.2% | -0.4% | +50.6% | |
| May 3, 2022 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 2,725 | $2.17 | $5,913.25 | -3.3% | +4.2% | +60.5% | |
| Apr 26, 2022 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 2,725 | $2.17 | $5,913.25 | -3.2% | -6.7% | +46.6% | |
| Apr 19, 2022 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 2,725 | $2.08 | $5,668.00 | -3.1% | -12.8% | +53.0% | |
| Apr 12, 2022 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 2,725 | $2.66 | $7,248.50 | -3.0% | -23.5% | +42.2% | |
| Apr 6, 2022 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sale+OE | 3,725 | $3.26 | $12,148.75 | -4.0% | -45.0% | +22.2% | |
| Mar 29, 2022 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 2,725 | $3.73 | $10,164.25 | -2.9% | -46.7% | -6.2% | |
| Mar 22, 2022 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 2,725 | $3.68 | $10,028.00 | -2.8% | -64.3% | +9.9% | |
| Mar 14, 2022 | SERA Sera Prognostics, Inc. | Chief Scientific Officer | Sell | 2,725 | $3.94 | $10,736.50 | -2.7% | -70.0% | +4.2% |