Harrison Robert Gardner
SEC insider (Form 3/4/5 filer). CIK 0001421563. Chief Information Officer at SERA PROGNOSTICS, INC. (SERA). 26 reported Form 4/5 transactions since Sep 2024; latest on Mar 11, 2026. Located in SALT LAKE CITY, UT.
Companies Harrison Robert Gardner has filed insider reports for
- SERA PROGNOSTICS, INC. (SERA): Officer, Chief Information Officer
Harrison Robert Gardner
CIK: 0001421563
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
SERA PROGNOSTICS, INC.
Discretionary Trading P&L
Holdings
Transaction History (26 total)
- Mar 11, 2026SERA
SERA PROGNOSTICS, INC.
SaleDirect716 shares at avg. $2.04$1K - Mar 9, 2026SERA
SERA PROGNOSTICS, INC.
SaleDirect3.4K shares at avg. $1.96$7K - Feb 24, 2026SERA
SERA PROGNOSTICS, INC.
SaleDirect2K shares at avg. $2.34$5K - Jan 27, 2026SERA
SERA PROGNOSTICS, INC.
SaleDirect2K shares at avg. $2.97$6K - Dec 30, 2025SERA
SERA PROGNOSTICS, INC.
SaleDirect2K shares at avg. $3.00$6K - Dec 10, 2025SERA
SERA PROGNOSTICS, INC.
SaleDirect616 shares at avg. $3.31$2K - Dec 2, 2025SERA
SERA PROGNOSTICS, INC.
SaleDirect2K shares at avg. $2.93$6K - Nov 10, 2025SERA
SERA PROGNOSTICS, INC.
SaleDirect6.5K shares at avg. $2.62$17K - Nov 4, 2025SERA
SERA PROGNOSTICS, INC.
SaleDirect2K shares at avg. $3.07$6K - Oct 7, 2025SERA
SERA PROGNOSTICS, INC.
SaleDirect2K shares at avg. $3.18$6K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 11, 2026 | SERA SERA PROGNOSTICS, INC. | Sale | 716 | $2.04 | $1,461 | Direct |
| Mar 9, 2026 | SERA SERA PROGNOSTICS, INC. | Sale | 3,360 | $1.96 | $6,586 | Direct |
| Feb 24, 2026 | SERA SERA PROGNOSTICS, INC. | Sale | 2,000 | $2.34 | $4,680 | Direct |
| Jan 27, 2026 | SERA SERA PROGNOSTICS, INC. | Sale | 2,000 | $2.97 | $5,940 | Direct |
| Dec 30, 2025 | SERA SERA PROGNOSTICS, INC. | Sale | 2,000 | $3.00 | $6,000 | Direct |
| Dec 10, 2025 | SERA SERA PROGNOSTICS, INC. | Sale | 616 | $3.31 | $2,039 | Direct |
| Dec 2, 2025 | SERA SERA PROGNOSTICS, INC. | Sale | 2,000 | $2.93 | $5,860 | Direct |
| Nov 10, 2025 | SERA SERA PROGNOSTICS, INC. | Sale | 6,528 | $2.62 | $17,103 | Direct |
| Nov 4, 2025 | SERA SERA PROGNOSTICS, INC. | Sale | 2,000 | $3.07 | $6,140 | Direct |
| Oct 7, 2025 | SERA SERA PROGNOSTICS, INC. | Sale | 2,000 | $3.18 | $6,360 | Direct |
1-10 of 26 transactions