Harrison Robert Gardner

Sera Prognostics, Inc. · Chief Information Officer

Harrison Robert Gardner is listed in public filings as officer: Chief Information Officer. This Harrison Robert Gardner insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Sera Prognostics, Inc. (SERA). Investors use Harrison Robert Gardner's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

Company	Holding Value	Last Transaction	Amount	Transaction Price	Current Price
Sera Prognostics, Inc.SERA	$156k76.7k shares	SellMar 11, 2026	$1.5K716 shares	$2.04	--

Insider Trades History

Company	Holding Value	Last Transaction	Amount	Transaction Price	Current Price
Sera Prognostics, Inc.SERA	$152k77.4k shares	SellMar 9, 2026	$6.6K3.4k shares	$1.96	--
Sera Prognostics, Inc.SERA	$189k80.8k shares	SellFeb 24, 2026	$4.7K2k shares	$2.34	--
Sera Prognostics, Inc.SERA	$246k82.8k shares	SellJan 27, 2026	$5.9K2k shares	$2.97	--
Sera Prognostics, Inc.SERA	$254k84.8k shares	SellDec 30, 2025	$6.0K2k shares	$3.00	--
Sera Prognostics, Inc.SERA	$287k86.8k shares	SellDec 10, 2025	$2.0K616 shares	$3.31	--
Sera Prognostics, Inc.SERA	$256k87.4k shares	SellDec 2, 2025	$5.9K2k shares	$2.93	--
Sera Prognostics, Inc.SERA	$234k89.4k shares	SellNov 10, 2025	$17.1K6.5k shares	$2.62	--
Sera Prognostics, Inc.SERA	$295k95.9k shares	SellNov 4, 2025	$6.1K2k shares	$3.07	--
Sera Prognostics, Inc.SERA	$311k97.9k shares	SellOct 7, 2025	$6.4K2k shares	$3.18	--
Sera Prognostics, Inc.SERA	$313k99.9k shares	SellSep 11, 2025	$2.0K645 shares	$3.13	--
Sera Prognostics, Inc.SERA	$307k100.6k shares	SellSep 9, 2025	$6.1K2k shares	$3.05	--
Sera Prognostics, Inc.SERA	$228k102.6k shares	SellAug 20, 2025	$13.3K6k shares	$2.22	--
Sera Prognostics, Inc.SERA	$276k108.6k shares	SellAug 8, 2025	$15.1K6k shares	$2.54	--
Sera Prognostics, Inc.SERA	$170k114.5k shares	SellJun 10, 2025	$987667 shares	$1.48	--
Sera Prognostics, Inc.SERA	$281k115.2k shares	SellMay 8, 2025	$16.0K6.6k shares	$2.44	--
Sera Prognostics, Inc.SERA	$507k121.8k shares	SellMar 7, 2025	$16.1K3.9k shares	$4.16	--
Sera Prognostics, Inc.SERA	$523k125.6k shares	SellMar 6, 2025	$13.5K3.3k shares	$4.16	--
Sera Prognostics, Inc.SERA	--128.9k shares	Grant / ExerciseMar 5, 2025	Disclosure amount unavailable25.8k shares	--	--
Sera Prognostics, Inc.SERA	$155k36.8k shares	Grant / ExerciseMar 5, 2025	$154.7K36.8k shares	$4.20	--
Sera Prognostics, Inc.SERA	$441k103.1k shares	SellFeb 13, 2025	$15.5K3.6k shares	$4.28	--
Sera Prognostics, Inc.SERA	$489k106.7k shares	SellFeb 12, 2025	$33.4K7.3k shares	$4.58	--
Sera Prognostics, Inc.SERA	$453k114k shares	SellFeb 11, 2025	$2.2K554 shares	$3.97	--
Sera Prognostics, Inc.SERA	$741k114.6k shares	SellJan 13, 2025	$14.6K2.3k shares	$6.47	--
Sera Prognostics, Inc.SERA	$866k118.7k shares	SellJan 10, 2025	$90.3K12.4k shares	$7.30	--
Sera Prognostics, Inc.SERA	$936k116.8k shares	SellJan 10, 2025	$14.7K1.8k shares	$8.01	--
Sera Prognostics, Inc.SERA	$959k131k shares	SellNov 11, 2024	$34.6K4.7k shares	$7.32	--
Sera Prognostics, Inc.SERA	$1.0M135.8k shares	SellAug 7, 2024	$37.3K5k shares	$7.42	--