Sera Prognostics Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGM:SERA Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
26 Mar 24	SellUS$75,822	Austin Aerts	Individual	8,092	US$9.37
26 Mar 24	SellUS$364,484	Evguenia Lindgardt	Individual	38,899	US$9.37
06 Mar 24	SellUS$19,285	Robert Harrison	Individual	2,138	US$9.02
06 Mar 24	SellUS$4,005	Austin Aerts	Individual	444	US$9.02
06 Mar 24	SellUS$16,741	Benjamin Jackson	Individual	1,856	US$9.02
06 Mar 24	SellUS$9,273	Paul Kearney	Individual	1,028	US$9.02
06 Mar 24	SellUS$15,009	John Boniface	Individual	1,664	US$9.02
06 Feb 24	SellUS$40,022	Paul Kearney	Individual	4,984	US$8.03
06 Feb 24	SellUS$45,490	John Boniface	Individual	5,665	US$8.03
06 Feb 24	SellUS$45,490	Benjamin Jackson	Individual	5,665	US$8.03
06 Feb 24	SellUS$78,582	Austin Aerts	Individual	9,786	US$8.03
06 Feb 24	SellUS$224,816	Evguenia Lindgardt	Individual	27,997	US$8.03
06 Feb 24	SellUS$45,490	Robert Harrison	Individual	5,665	US$8.03
07 Dec 23	SellUS$24,000	John Boniface	Individual	5,000	US$4.80
07 Dec 23	SellUS$52,200	Benjamin Jackson	Individual	10,000	US$5.22
05 Jun 23	SellUS$16,150	Robert Harrison	Individual	5,000	US$3.23

Insider Buying: SERA insiders have only sold shares in the past 3 months.

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 5.1%.

Top 25 shareholders own 72.22% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
16.8%	Baker Bros. Advisors LP	5,434,399	US$54.5m	86.1%	0.69%
9.19%	aMoon Fund	2,978,511	US$29.9m	55.3%	36.29%
6.79%	Anthem Insurance Companies, Inc, Asset Management Arm	2,201,974	US$22.1m	0%	100.0%
6.31%	RA Capital Management, L.P.	2,047,221	US$20.5m	0%	0.28%
5.46%	Chione Ltd	1,771,684	US$17.8m	0%	no data
5.09%	Vivo Capital, LLC	1,650,440	US$16.5m	-11.1%	1.3%
3.85%	Domain Associates, L.L.C.	1,247,864	US$12.5m	-49%	30.51%
2.98%	Catalyst Health Ventures	965,112	US$9.7m	0%	100.0%
2.8%	The Vanguard Group, Inc.	909,502	US$9.1m	15.6%	no data
2.8%	Evguenia Lindgardt	908,104	US$9.1m	0%	no data
2.45%	Gregory Critchfield	794,945	US$8.0m	0%	no data
1.23%	CapFinancial Partners, LLC, Asset Management Arm	399,583	US$4.0m	-5.49%	0.01%
1.16%	AWM Investment Company Inc	374,902	US$3.8m	0%	0.54%
0.99%	Austin Aerts	322,488	US$3.2m	0%	no data
0.79%	Ensign Peak Advisors, Inc.	255,980	US$2.6m	1,310%	no data
0.62%	Geode Capital Management, LLC	202,595	US$2.0m	13.6%	no data
0.47%	T. Rowe Price Group, Inc.	151,933	US$1.5m	0%	no data
0.45%	Robert Harrison	145,697	US$1.5m	0%	no data
0.37%	Acuitas Investments, LLC	121,258	US$1.2m	-30%	0.44%
0.31%	Ryan Trimble	100,554	US$1.0m	0%	no data
0.27%	BlackRock, Inc.	87,958	US$881.9k	52.6%	no data
0.27%	BNY Mellon Asset Management	86,655	US$868.8k	567%	no data
0.27%	Bridgeway Capital Management, LLC	86,105	US$863.3k	-10.4%	0.01%
0.26%	EAM Investors, LLC	85,597	US$858.2k	0%	0.14%
0.26%	Perigon Wealth Management, LLC, Asset Management Arm	85,185	US$854.1k	0%	0.03%