Senior insider sale
Chief Information Officer at SERA PROGNOSTICS, INC. — senior position signals high conviction
$40.1K
13.79K shares
What this filing means
HARRISON ROBERT GARDNER plans to sell 13.79K shares of SERA PROGNOSTICS, INC. valued at approximately $40.1K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 12/11/2025ACC: 0001193125-25-316491
Officer· Chief Information Officer
Since Nov 2021
13.79K
Shares to sell
$40.1K
Approx. market value
616.00
Acquired (3 months)
1
Planned
5 completed
Securities Acquired — Last 3 Months1
Restricted Stock Unit Vesting
Not Applicable
12/10/2025
616.00Total acquired616.00
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
12/10/2025 | Restricted Stock Unit Vesting Not Applicable | 616.00 | — |
| Total | 616.00 | ||
Planned & Completed Dispositions6
Completed
—Completed
Units to sell
2K
Market value
$6.4K
12/2/2025
—Completed
Units to sell
6.53K
Market value
$17.1K
11/10/2025
—Completed
Units to sell
2K
Market value
$6.1K
11/4/2025
—Completed
Units to sell
2K
Market value
$6.4K
10/7/2025
—Completed
Units to sell
645.00
Market value
$2.0K
9/11/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
616.00
Market value
$2.0K
12/10/2025
Total
Units
13.79K
Value
$40.1K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
12/2/2025 | 2K | $6.4K | — | Completed |
11/10/2025 | 6.53K | $17.1K | — | Completed |
11/4/2025 | 2K | $6.1K | — | Completed |
10/7/2025 | 2K | $6.4K | — | Completed |
9/11/2025 | 645.00 | $2.0K | — | Completed |
| Planned — Approximate Date | ||||
12/10/2025 | 616.00 | $2.0K | NASDAQ | Planned |
| Total | 13.79K | $40.1K | ||