Prime Medicine Ownership

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

Recent Insider Transactions

NasdaqGM:PRME Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
15 Feb 24	BuyUS$20,000,000	Arch Venture Partners, L.P.	Company		3,200,000	US$6.25

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 30.5%.

Top 25 shareholders own 83.42% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
17.5%	David Liu	20,156,945	US$106.2m	0%	no data
13.4%	Arch Venture Partners, L.P.	15,456,594	US$81.5m	26.1%	5.55%
13.1%	GV Management Company, LLC	15,062,498	US$79.4m	27%	6.34%
5.3%	Newpath Management, L.P.	6,105,679	US$32.2m	15.1%	no data
5.2%	ARK Investment Management LLC	5,993,354	US$31.6m	91%	0.22%
3.78%	Keith Gottesdiener	4,361,078	US$23.0m	0%	no data
3.52%	The Vanguard Group, Inc.	4,054,911	US$21.4m	2.61%	no data
3.4%	Impresa Management LLC	3,921,507	US$20.7m	0%	7.8%
3.28%	BlackRock, Inc.	3,778,618	US$19.9m	13.3%	no data
2.92%	Nikko Asset Management Co., Ltd.	3,364,663	US$17.7m	-4.39%	0.01%
1.93%	T. Rowe Price Group, Inc.	2,221,159	US$11.7m	2.2%	no data
1.55%	Mwg Management Ltd.	1,792,210	US$9.4m	0%	8.07%
1.4%	Beam Therapeutics Inc.	1,608,337	US$8.5m	0%	no data
1.15%	Redmile Group, LLC	1,324,350	US$7.0m	0%	0.26%
0.89%	Baker Bros. Advisors LP	1,028,466	US$5.4m	0%	0.06%
0.84%	Jeremy Duffield	965,001	US$5.1m	0%	no data
0.77%	Geode Capital Management, LLC	887,503	US$4.7m	4.83%	no data
0.77%	Deerfield Management Company, L.P. Series C	885,314	US$4.7m	0%	0.08%
0.66%	State Street Global Advisors, Inc.	759,758	US$4.0m	-54.9%	no data
0.44%	Greenwich Wealth Management, LLC	513,001	US$2.7m	16.9%	0.21%
0.41%	Samsara BioCapital LLC	470,304	US$2.5m	0%	0.44%
0.34%	Bank of America Corporation, Asset Management Arm	397,246	US$2.1m	54.5%	no data
0.32%	Casdin Capital, LLC	367,175	US$1.9m	0%	0.15%
0.31%	The Bollard Group, LLC	361,136	US$1.9m	0%	0.05%
0.3%	Northern Trust Global Investments	344,927	US$1.8m	3.59%	no data