Senior insider sale
Chief Information Officer at SERA PROGNOSTICS, INC. — senior position signals high conviction
$49.3K
18.61K shares
What this filing means
HARRISON ROBERT GARDNER plans to sell 18.61K shares of SERA PROGNOSTICS, INC. valued at approximately $49.3K. 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: 11/4/2025ACC: 0001950047-25-008448
Officer· Chief Information Officer
Since Nov 2021
18.61K
Shares to sell
$49.3K
Approx. market value
2K
Acquired (3 months)
1
Planned
5 completed
Securities Acquired — Last 3 Months1
Restricted Stock Units
N/A
2/6/2024
2KTotal acquired2K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
2/6/2024 | Restricted Stock Units N/A | 2K | — |
| Total | 2K | ||
Planned & Completed Dispositions6
Completed
—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
$6.1K
9/9/2025
—Completed
Units to sell
6K
Market value
$13.3K
8/20/2025
—Completed
Units to sell
5.96K
Market value
$15.1K
8/8/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
2K
Market value
$6.4K
11/4/2025
Total
Units
18.61K
Value
$49.3K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
10/7/2025 | 2K | $6.4K | — | Completed |
9/11/2025 | 645.00 | $2.0K | — | Completed |
9/9/2025 | 2K | $6.1K | — | Completed |
8/20/2025 | 6K | $13.3K | — | Completed |
8/8/2025 | 5.96K | $15.1K | — | Completed |
| Planned — Approximate Date | ||||
11/4/2025 | 2K | $6.4K | NASDAQ | Planned |
| Total | 18.61K | $49.3K | ||