Senior insider sale
Chief Information Officer at SERA PROGNOSTICS, INC. — senior position signals high conviction
$51.5K
19.17K shares
What this filing means
HARRISON ROBERT GARDNER plans to sell 19.17K shares of SERA PROGNOSTICS, INC. valued at approximately $51.5K. 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: 11/12/2025ACC: 0001193125-25-277683
Officer· Chief Information Officer
Since Nov 2021
19.17K
Shares to sell
$51.5K
Approx. market value
6.53K
Acquired (3 months)
1
Planned
5 completed
Securities Acquired — Last 3 Months1
Restricted Stock Unit Vesting
Not Applicable
11/10/2025
6.53KTotal acquired6.53K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
11/10/2025 | Restricted Stock Unit Vesting Not Applicable | 6.53K | — |
| Total | 6.53K | ||
Planned & Completed Dispositions6
Completed
—Completed
Units to sell
2K
Market value
$6.4K
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
—Completed
Units to sell
2K
Market value
$6.3K
9/9/2025
—Completed
Units to sell
6K
Market value
$13.3K
8/20/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
6.53K
Market value
$17.1K
11/10/2025
Total
Units
19.17K
Value
$51.5K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
11/4/2025 | 2K | $6.4K | — | Completed |
10/7/2025 | 2K | $6.4K | — | Completed |
9/11/2025 | 645.00 | $2.0K | — | Completed |
9/9/2025 | 2K | $6.3K | — | Completed |
8/20/2025 | 6K | $13.3K | — | Completed |
| Planned — Approximate Date | ||||
11/10/2025 | 6.53K | $17.1K | NASDAQ | Planned |
| Total | 19.17K | $51.5K | ||