Jackson Benjamin
SEC CIK 1779964 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| SERA | SERA PROGNOSTICS, INC. | GC | 159.6K | $9,600 | $547.5K | 26 | 2022-06-14 | 2026-09-10 |
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 26
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-11 16:07 | 2026-09-10 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $2.00 | -2,190 | 159.6K | -1% | -$4,380 | |
| 2026-06-15 16:08 | 2026-06-11 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $2.01 | -2,179 | 161.8K | -1% | -$4,380 | |
| 2026-06-01 16:49 | 2026-05-29 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | A - Grant | $1.84 | +5,000 | 163.9K | +3% | +$9,200 | |
| D | 2026-03-13 | 2026-03-12 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | A - Grant | $0.00 | +44.2K | 158.9K | +39% | $0 |
| 2026-03-12 | 2026-03-11 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $2.04 | -1,027 | 114.7K | -0.9% | -$2,095 | |
| 2026-03-10 | 2026-03-09 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $1.96 | -3,119 | 115.7K | -3% | -$6,113 | |
| 2025-12-11 | 2025-12-10 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $3.31 | -892 | 118.9K | -0.7% | -$2,953 | |
| 2025-11-12 | 2025-11-10 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $2.62 | -7,059 | 119.8K | -6% | -$18.5K | |
| 2025-09-12 | 2025-09-11 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $3.13 | -934 | 126.8K | -0.7% | -$2,923 | |
| 2025-08-11 | 2025-08-08 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $2.54 | -6,447 | 127.8K | -5% | -$16.4K | |
| 2025-06-12 | 2025-06-10 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $1.48 | -965 | 134.2K | -0.7% | -$1,428 | |
| 2025-06-12 | 2025-05-30 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | A - Grant | $1.33 | +3,703 | 135.2K | +3% | +$4,925 | |
| 2025-05-09 | 2025-05-08 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $2.44 | -7,084 | 131.5K | -5% | -$17.3K | |
| D | 2025-03-07 | 2025-03-05 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | A - Grant | $0.00 | +34.6K | 140.8K | +33% | $0 |
| D | 2025-03-07 | 2025-03-06 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $4.16 | -2,285 | 138.5K | -2% | -$9,506 |
| 2025-02-14 | 2025-02-13 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $4.58 | -5,915 | 106.2K | -5% | -$27.1K | |
| MT | 2025-01-14 | 2025-01-10+ | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $6.80 | -29.6K | 128.5K | -19% | -$201.1K |
| 2024-11-12 | 2024-11-11 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $7.32 | -4,727 | 135.5K | -3% | -$34.6K | |
| 2024-08-08 | 2024-08-07 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $7.42 | -5,022 | 140.3K | -3% | -$37.3K | |
| 2024-05-10 | 2024-05-08 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $9.59 | -4,902 | 145.3K | -3% | -$47.0K | |
| 2024-03-07 | 2024-03-06 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $9.02 | -1,856 | 150.2K | -1% | -$16.7K | |
| 2024-02-07 | 2024-02-06 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $8.03 | -5,665 | 152.0K | -4% | -$45.5K | |
| 2023-12-07 | 2023-12-07 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | S - Sale | $5.22 | -10.0K | 157.7K | -6% | -$52.2K | |
| 2023-11-08 | 2023-11-06 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | A - Grant | $0.00 | +125.0K | 162.7K | +332% | $0 | |
| D | 2023-03-07 | 2023-03-06 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | A - Grant | $0.00 | +24.7K | 32.7K | +309% | $0 |
| 2022-06-16 | 2022-06-14 | SERA | SERA PROGNOSTICS, INC. | Jackson Benjamin | GC | P - Purchase | $1.20 | +8,000 | 8,000 | New | +$9,600 |
Purchase Sale Sale after option exercise All abbreviations