Lindgardt Zhenya Insider Trading Activity

Corporate InsiderCEO · CIK 1891299

Total trades

$359K

Total volume

Jun 9, 2026

Last activity

SERA

SERA PROGNOSTICS, INC.

Lindgardt Zhenya has been net-selling over the last 12 months with 0 purchases and 9 sales across 1 company.

SERA is the most-traded position with 9 trades. The largest single transaction was a sale of SERA for $86K on Dec 9, 2025.

Performance Scorecard

Forward stock performance after each transaction by Lindgardt Zhenya. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIOD	AVG BUY RETURN	AVG SELL AVOIDED	SUCCESS RATE	TRADES
30 days	—	-23.6%	27%	11
90 days	—	-18.5%	30%	10
120 days	—	-19.8%	30%	10

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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SERA · SERA PROGNOSTICS, INC.

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Recent Trades

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	Δ OWNED	ROLE
Jun 9, 2026	SERA	Sell	20,755	$2.08	$43K	−2.3%	CEO
Mar 11, 2026	SERA	Sell	2,973	$2.04	$6K	−0.4%	CEO
Mar 10, 2026	SERA	Sell	22,639	$1.90	$43K	−3.0%	CEO
Dec 10, 2025	SERA	Sell	4,155	$3.31	$14K	−0.5%	CEO
Dec 9, 2025	SERA	Sell	28,215	$3.04	$86K	−3.5%	CEO
Nov 10, 2025	SERA	Sell	11,594	$2.62	$30K	−1.4%	CEO
Sep 11, 2025	SERA	Sell	3,246	$3.13	$10K	−0.4%	CEO
Sep 9, 2025	SERA	Sell	21,158	$3.15	$67K	−2.5%	CEO
Aug 8, 2025	SERA	Sell	8,571	$2.54	$22K	−1.0%	CEO
Jun 10, 2025	SERA	Sell	3,344	$1.48	$5K	−0.4%	CEO
Jun 9, 2025	SERA	Sell	23,042	$1.43	$33K	−2.7%	CEO