Senior insider sale
Chief Information Officer at SERA PROGNOSTICS, INC. — senior position signals high conviction
$27.0K
12.08K shares
What this filing means
HARRISON ROBERT GARDNER plans to sell 12.08K shares of SERA PROGNOSTICS, INC. valued at approximately $27.0K. 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: 4/21/2026ACC: 0001950047-26-003669
Officer· Chief Information Officer
Since Nov 2021
12.08K
Shares to sell
$27.0K
Approx. market value
2K
Acquired (3 months)
1
Planned
5 completed
Securities Acquired — Last 3 Months1
Restricted Stock Units
N/A
8/6/2024
2KTotal acquired2K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
8/6/2024 | Restricted Stock Units N/A | 2K | — |
| Total | 2K | ||
Planned & Completed Dispositions6
Completed
—Completed
Units to sell
2K
Market value
$3.8K
3/24/2026
—Completed
Units to sell
716.00
Market value
$1.5K
3/11/2026
—Completed
Units to sell
3.36K
Market value
$6.6K
3/9/2026
—Completed
Units to sell
2K
Market value
$4.7K
2/24/2026
—Completed
Units to sell
2K
Market value
$5.9K
1/27/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
2K
Market value
$4.6K
4/21/2026
Total
Units
12.08K
Value
$27.0K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
3/24/2026 | 2K | $3.8K | — | Completed |
3/11/2026 | 716.00 | $1.5K | — | Completed |
3/9/2026 | 3.36K | $6.6K | — | Completed |
2/24/2026 | 2K | $4.7K | — | Completed |
1/27/2026 | 2K | $5.9K | — | Completed |
| Planned — Approximate Date | ||||
4/21/2026 | 2K | $4.6K | NASDAQ | Planned |
| Total | 12.08K | $27.0K | ||