Zhenya Lindgardt Sera Prognostics, Inc. (SERA) insider trading activity

Zhenya Lindgardt is Chief Executive Officer of SERA PROGNOSTICS, INC.. Currently has a direct ownership of 763,926 shares of SERA, which is worth approximately $2.26 Million. The most recent transaction as insider was on Dec 10, 2025, when has been sold 4,155 shares (Class A Common Stock) at a price of $3.31 per share, resulting in proceeds of $13,753. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 764K

5.44% 3M change

3.73% 12M change

Total Value Held $2.26 Million

Zhenya Lindgardt Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 10 2025	SELL Open market or private sale	$13,753 $3.31 p/Share	4,155 Reduced 0.54%	763,926 Class A Common Stock
Dec 09 2025	SELL Open market or private sale	$85,773 $3.04 p/Share	28,215 Reduced 3.54%	768,081 Class A Common Stock
Nov 10 2025	SELL Open market or private sale	$30,376 $2.62 p/Share	11,594 Reduced 1.44%	796,296 Class A Common Stock
Sep 11 2025	SELL Open market or private sale	$10,159 $3.13 p/Share	3,246 Reduced 0.4%	807,890 Class A Common Stock
Sep 09 2025	SELL Open market or private sale	$66,647 $3.15 p/Share	21,158 Reduced 2.54%	811,136 Class A Common Stock
Aug 08 2025	SELL Open market or private sale	$21,770 $2.54 p/Share	8,571 Reduced 1.02%	832,294 Class A Common Stock
Jun 10 2025	SELL Open market or private sale	$4,949 $1.48 p/Share	3,344 Reduced 0.4%	840,865 Class A Common Stock

Jun 09 2025	SELL Open market or private sale	$32,950 $1.43 p/Share	23,042 Reduced 2.66%	844,209 Class A Common Stock
May 08 2025	SELL Open market or private sale	$22,950 $2.44 p/Share	9,406 Reduced 1.07%	867,251 Class A Common Stock
Mar 07 2025	SELL Open market or private sale	$122,454 $4.12 p/Share	29,722 Reduced 3.28%	876,657 Class A Common Stock
Mar 06 2025	BUY Grant, award, or other acquisition	-	126,920 Added 12.28%	906,379 Class A Common Stock
Feb 12 2025	SELL Open market or private sale	$64,463 $4.58 p/Share	14,075 Reduced 1.77%	779,459 Class A Common Stock
Dec 10 2024	SELL Open market or private sale	$194,319 $7.41 p/Share	26,224 Reduced 3.2%	793,534 Class A Common Stock
Nov 11 2024	SELL Open market or private sale	$88,389 $7.32 p/Share	12,075 Reduced 1.45%	819,758 Class A Common Stock
Sep 10 2024	SELL Open market or private sale	$189,893 $7.57 p/Share	25,085 Reduced 2.93%	831,833 Class A Common Stock
Aug 07 2024	SELL Open market or private sale	$91,466 $7.42 p/Share	12,327 Reduced 1.42%	856,918 Class A Common Stock
Jun 10 2024	SELL Open market or private sale	$217,891 $8.11 p/Share	26,867 Reduced 3.0%	869,245 Class A Common Stock
May 08 2024	SELL Open market or private sale	$115,003 $9.59 p/Share	11,992 Reduced 1.32%	896,112 Class A Common Stock
Mar 26 2024	SELL Open market or private sale	$364,483 $9.37 p/Share	38,899 Reduced 4.11%	908,104 Class A Common Stock
Feb 06 2024	SELL Open market or private sale	$224,815 $8.03 p/Share	27,997 Reduced 2.87%	947,003 Class A Common Stock
Nov 06 2023	BUY Grant, award, or other acquisition	-	975,000 Added 50.0%	975,000 Class A Common Stock

Zhenya Lindgardt

Chief Executive Officer

Salt Lake City, UT

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