Boniface John J.
SEC CIK 1870674 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| SERA | SERA PROGNOSTICS, INC. | CSO | 145.8K | — | $1.57M | 53 | 2021-12-06 | 2026-03-11 |
Most active insiders at SERA, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Lindgardt Zhenya | CEO, Dir | — | $290.5K |
| 2 | Kearney Paul | Chief Data Off | — | $131.0K |
| 3 | Aerts Austin | CFO | — | $65.8K |
| 4 | Harrison Robert Gardner | CIO | — | $62.2K |
| 5 | Jackson Benjamin | GC | — | $38.4K |
| 6 | Boniface John J. | CSO | — | $33.8K |
| 7 | Anderson Dyaarl Lee Jr. | Chief Commercial Off | — | $13.1K |
| 8 | Lawrence Sandra AJ | Dir | — | $11.2K |
| 9 | Mirza Mansoor Raza | Dir | — | $2,280 |
| 10 | Inglis Tiffany Eul Davis | Chief Medical Off | — | $1,700 |
Transactions 53
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-12 | 2026-03-11 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $2.04 | -1,517 | 145.8K | -1% | -$3,095 | |
| 2026-03-10 | 2026-03-09 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $1.96 | -3,038 | 147.4K | -2% | -$5,954 | |
| 2025-12-11 | 2025-12-10 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $3.31 | -1,332 | 150.4K | -0.9% | -$4,409 | |
| 2025-11-12 | 2025-11-10 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $2.62 | -7,767 | 151.7K | -5% | -$20.3K | |
| 2025-09-12 | 2025-09-11 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $3.13 | -1,395 | 159.5K | -0.9% | -$4,366 | |
| 2025-08-11 | 2025-08-08 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $2.54 | -7,094 | 160.9K | -4% | -$18.0K | |
| 2025-06-12 | 2025-05-30 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | A - Grant | $1.33 | +3,703 | 169.4K | +2% | +$4,925 | |
| 2025-06-12 | 2025-06-10 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $1.48 | -1,439 | 168.0K | -0.8% | -$2,130 | |
| 2025-05-09 | 2025-05-08 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $2.44 | -5,132 | 165.7K | -3% | -$12.5K | |
| D | 2025-03-07 | 2025-03-05 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | A - Grant | $0.00 | +47.0K | 172.9K | +37% | $0 |
| D | 2025-03-07 | 2025-03-06 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $4.16 | -2,044 | 170.8K | -1% | -$8,503 |
| 2025-02-14 | 2025-02-12 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $4.58 | -5,915 | 125.9K | -4% | -$27.1K | |
| 2024-11-12 | 2024-11-11 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $7.32 | -4,727 | 125.1K | -4% | -$34.6K | |
| 2024-08-08 | 2024-08-07 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $7.42 | -5,022 | 129.8K | -4% | -$37.3K | |
| 2024-05-10 | 2024-05-08 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $9.59 | -4,902 | 134.9K | -4% | -$47.0K | |
| DM | 2024-03-28 | 2024-03-27+ | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale+OE | $9.44 | -77.1K | 139.8K | -36% | -$727.9K |
| DM | 2024-03-28 | 2024-03-27+ | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | M - OptEx | $0.91 | +73.4K | 164.2K | +81% | +$66.8K |
| 2024-03-26 | 2024-03-25 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $9.10 | -22.2K | 165.0K | -12% | -$201.7K | |
| 2024-03-26 | 2024-03-26 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $9.55 | -21.4K | 143.5K | -13% | -$204.7K | |
| 2024-03-07 | 2024-03-06 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $9.02 | -1,664 | 187.1K | -0.9% | -$15.0K | |
| 2024-02-07 | 2024-02-06 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $8.03 | -5,665 | 188.8K | -3% | -$45.5K | |
| 2023-12-07 | 2023-12-07 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $4.80 | -5,000 | 194.5K | -3% | -$24.0K | |
| 2023-11-08 | 2023-11-06 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | A - Grant | $0.00 | +125.0K | 194.5K | +180% | $0 | |
| D | 2023-03-07 | 2023-03-06 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | A - Grant | $0.00 | +22.1K | 69.5K | +47% | $0 |
| D | 2022-09-09 | 2022-09-08 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | M - OptEx | $0.73 | +844 | 47.4K | +2% | +$616.12 |
| DM | 2022-07-27 | 2022-07-26+ | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale+OE | $2.17 | -3,725 | 46.5K | -7% | -$8,079 |
| D | 2022-07-27 | 2022-07-27 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | M - OptEx | $0.73 | +1,000 | 47.5K | +2% | +$730 |
| 2022-07-19 | 2022-07-19 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $1.86 | -2,725 | 49.2K | -5% | -$5,068 | |
| 2022-07-13 | 2022-07-12 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $1.84 | -2,725 | 52.0K | -5% | -$5,014 | |
| 2022-07-05 | 2022-07-05 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $1.63 | -2,725 | 54.7K | -5% | -$4,442 | |
| DM | 2022-06-29 | 2022-06-28+ | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale+OE | $1.84 | -3,725 | 57.4K | -6% | -$6,870 |
| D | 2022-06-29 | 2022-06-29 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | M - OptEx | $0.73 | +1,000 | 58.4K | +2% | +$730 |
| 2022-06-21 | 2022-06-21 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $1.31 | -2,725 | 60.1K | -4% | -$3,570 | |
| 2022-06-16 | 2022-06-14 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $1.21 | -2,725 | 62.9K | -4% | -$3,297 | |
| 2022-06-07 | 2022-06-07 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $1.30 | -2,725 | 65.6K | -4% | -$3,542 | |
| DM | 2022-06-01 | 2022-05-31+ | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale+OE | $1.43 | -3,725 | 68.3K | -5% | -$5,311 |
| D | 2022-06-01 | 2022-06-01 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | M - OptEx | $0.73 | +1,000 | 69.3K | +1% | +$730 |
| 2022-05-24 | 2022-05-24 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $1.54 | -2,725 | 71.0K | -4% | -$4,196 | |
| 2022-05-17 | 2022-05-17 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $1.55 | -2,725 | 73.8K | -4% | -$4,224 | |
| 2022-05-10 | 2022-05-10 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $1.97 | -2,725 | 76.5K | -3% | -$5,368 | |
| D | 2022-05-04 | 2022-05-04 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | M - OptEx | $0.73 | +1,000 | 80.2K | +1% | +$730 |
| D | 2022-05-04 | 2022-05-04 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale+OE | $2.17 | -1,000 | 79.2K | -1% | -$2,170 |
| 2022-05-03 | 2022-05-03 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $2.17 | -2,725 | 79.2K | -3% | -$5,913 | |
| 2022-04-26 | 2022-04-26 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $2.17 | -2,725 | 81.9K | -3% | -$5,913 | |
| 2022-04-20 | 2022-04-19 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $2.08 | -2,725 | 84.7K | -3% | -$5,668 | |
| 2022-04-13 | 2022-04-12 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $2.66 | -2,725 | 87.4K | -3% | -$7,248 | |
| DM | 2022-04-07 | 2022-04-05+ | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale+OE | $3.26 | -3,725 | 90.1K | -4% | -$12.1K |
| D | 2022-04-07 | 2022-04-06 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | M - OptEx | $0.73 | +1,000 | 91.1K | +1% | +$730 |
| 2022-03-30 | 2022-03-29 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $3.73 | -2,725 | 92.8K | -3% | -$10.2K | |
| 2022-03-23 | 2022-03-22 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $3.68 | -2,725 | 95.6K | -3% | -$10.0K | |
| 2022-03-15 | 2022-03-14 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | S - Sale | $3.94 | -2,725 | 98.3K | -3% | -$10.7K | |
| D | 2022-03-14 | 2022-03-11 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | M - OptEx | $0.73 | +76.0K | 101.0K | +304% | +$55.5K |
| D | 2021-12-06 | 2021-12-06 | SERA | SERA PROGNOSTICS, INC. | Boniface John J. | CSO | M - OptEx | $0.73 | +25.0K | 25.0K | New | +$18.3K |
Purchase Sale Sale after option exercise All abbreviations