Form 4 Tracker
Robert Gardner Harrison

Chief Information Officer · 5 filings · Latest: Mar 12, 2026

SERA PROGNOSTICS, INC.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
SERA
ROBERT HARRISON—Apr 21, 2026
Proposed Sale
$2.292,000$4.6K—
SERA
ROBERT HARRISON—Mar 24, 2026
Proposed Sale
$1.822,000$3.6K—
SERA
Robert Gardner HarrisonChief Information OfficerMar 11, 2026
Sale
$2.04716$1.5K76,712
SERA
Harrison Robert Gardner—Mar 11, 2026
Proposed Sale
$2.04716$1.5K—
SERA
Robert Gardner HarrisonChief Information OfficerMar 9, 2026
Sale
$1.963,360$6.6K77,428
SERA
Harrison Robert Gardner—Mar 9, 2026
Proposed Sale
$1.963,360$6.6K—
SERA
Robert Gardner HarrisonChief Information OfficerFeb 24, 2026
Sale
$2.342,000$4.7K80,788
SERA
ROBERT HARRISON—Feb 24, 2026
Proposed Sale
$2.452,000$4.9K—
SERA
Robert Gardner HarrisonChief Information OfficerJan 27, 2026
Sale
$2.972,000$5.9K82,788
SERA
ROBERT HARRISON—Jan 27, 2026
Proposed Sale
$3.092,000$6.2K—
SERA
ROBERT GARDNER HARRISON—Dec 30, 2025
Proposed Sale
$3.272,000$6.5K—
SERA
Harrison Robert Gardner—Dec 10, 2025
Proposed Sale
$3.31616$2.0K—
SERA
ROBERT GARDNER HARRISON—Dec 2, 2025
Proposed Sale
$3.212,000$6.4K—
SERA
Harrison Robert Gardner—Nov 10, 2025
Proposed Sale
$2.626,528$17.1K—
SERA
ROBERT GARDNER HARRISON—Nov 4, 2025
Proposed Sale
$3.202,000$6.4K—
SERA
ROBERT GARDNER HARRISON—Oct 7, 2025
Proposed Sale
$3.262,000$6.5K—
SERA
Harrison Robert Gardner—Sep 11, 2025
Proposed Sale
$3.13645$2.0K—
SERA
ROBERT GARDNER HARRISON—Sep 9, 2025
Proposed Sale
$3.172,000$6.3K—
SERA
ROBERT GARDNER HARRISON—Aug 20, 2025
Proposed Sale
$2.256,000$13.5K—
SERA
Harrison Robert Gardner—Aug 8, 2025
Proposed Sale
$2.545,962$15.1K—

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