Insider Trading

Open-market purchases plot above zero. Open-market sales plot below zero.

Sera Prognostics Inc · SERA.US · 20 transactions

Trades

Each bar is one trade. The tooltip names the insider, the share count, the price, and the dollar value.

By month

Purchases and sales are summed within each month on the same scale.

Transactions

Date
Insider
Title
Type
Shares
Price
Value
SEC
Dec 10, 2025
Zhenya Lindgardt
—
Sale
4,155
$3.31
$13.75K
SEC
Dec 10, 2025
Robert Gardner Harrison
—
Sale
616
$3.31
$2.04K
SEC
Dec 10, 2025
Austin Aerts
—
Sale
873
$3.31
$2.89K
SEC
Dec 30, 2025
Robert Gardner Harrison
—
Sale
2,000
$3.00
$6.00K
SEC
Jan 27, 2026
Robert Gardner Harrison
—
Sale
2,000
$2.97
$5.94K
SEC
Feb 24, 2026
Robert Gardner Harrison
—
Sale
2,000
$2.34
$4.68K
SEC
Mar 06, 2026
Sandra Aj Lawrence
—
Sale
1,560
$1.95
$3.04K
SEC
Mar 09, 2026
Robert Gardner Harrison
—
Sale
3,360
$1.96
$6.59K
SEC
Mar 09, 2026
Paul Kearney
—
Sale
2,026
$1.96
$3.97K
SEC
Mar 09, 2026
Benjamin Jackson
—
Sale
3,119
$1.96
$6.11K
SEC
Mar 09, 2026
Austin Aerts
—
Sale
674
$1.96
$1.32K
SEC
Mar 09, 2026
John J Boniface
—
Sale
3,038
$1.96
$5.95K
SEC
Mar 10, 2026
Austin Aerts
—
Sale
6,069
$1.90
$11.53K
SEC
Mar 10, 2026
Zhenya Lindgardt
—
Sale
22,639
$1.90
$43.01K
SEC
Mar 11, 2026
Austin Aerts
—
Sale
1,019
$2.04
$2.08K
SEC
Mar 11, 2026
Zhenya Lindgardt
—
Sale
2,973
$2.04
$6.06K
SEC
Mar 11, 2026
Robert Gardner Harrison
—
Sale
716
$2.04
$1.46K
SEC
Mar 11, 2026
John J Boniface
—
Sale
1,517
$2.04
$3.09K
SEC
Mar 11, 2026
Paul Kearney
—
Sale
1,396
$2.04
$2.85K
SEC
Mar 11, 2026
Benjamin Jackson
—
Sale
1,027
$2.04
$2.10K
SEC