Insider Transactions

What Prime Medicine, Inc.'s executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.

Insider trades

	3 months	12 months
Open-market buys	0	0
Sells	0	0
Total trades	0	0

Shares traded

	3 months	12 months
Acquired	0	0
Disposed	0	0
Net activity	+0	+0

See the story behind these numbers

View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.

Open-market buyer Disclosed 10b5-1 Heavy discretionary Sign up free

All transactions

All Buys Sells

Insider	Relation	Date	Transaction	Shares	Price	Value	Shares held
Arch Venture Partners X, Llc	10% owner	Aug 01	Open-market buy · P	+3,030,300	$3.30	+$10M	6,230,300
Arch Venture Partners XII, Llc	10% owner	Aug 01	Open-market buy · P	+3,030,300	$3.30	+$10M	6,230,300
Nelsen Robert	Director	Aug 01	Open-market buy · P	+3,030,300	$3.30	+$10M	6,230,300
Gv 2021 GP, L.l.c.	10% owner	Aug 01	Open-market buy · P	+1,500,000	$3.30	+$4.95M	3,262,440
Liu David R.	10% owner	Jun 30	Open-market buy · P	+21,000	$2.52	+$52.8K	20,240,945
Liu David R.	10% owner	Jun 23	Open-market buy · P	+21,000	$2.16	+$45.4K	20,219,945
Liu David R.	10% owner	Jun 16	Open-market buy · P	+21,000	$1.49	+$31.2K	20,198,945
Liu David R.	10% owner	Jun 11	Open-market buy · P	+21,000	$1.60	+$33.6K	20,177,945
Reine Allan	Chief Executive Officer	May 21	Open-market buy · P	+125,000	$1.18	+$147K	125,000
Lee Ann L.	Chief Technical Officer	May 21	Open-market buy · P	+100,000	$1.13	+$113K	100,000
Brudnick Richard	Chief Business Officer	May 20	Open-market buy · P	+20,000	$1.19	+$23.8K	20,000
Gottesdiener Keith Michael	See Remarks	Oct 08	Gift · G	+226,925	—	—	682,259
Gottesdiener Keith Michael	See Remarks	Oct 08	Gift · G	−226,925	—	—	50,241
Gottesdiener Keith Michael	See Remarks	Jun 05	Gift · G	+250,000	—	—	277,166
Gottesdiener Keith Michael	See Remarks	Jun 05	Gift · G	−250,000	—	—	2,310,837
Arch Venture Partners X, Llc	10% owner	Feb 15	Open-market buy · P	+3,200,000	$6.25	+$20M	3,200,000
Nelsen Robert	Director	Feb 15	Open-market buy · P	+3,200,000	$6.25	+$20M	3,200,000
Arch Venture Partners XII, Llc	10% owner	Feb 15	Open-market buy · P	+3,200,000	$6.25	+$20M	3,200,000
Gottesdiener Keith Michael	See Remarks	Nov 11	Gift · G	−5,000	—	—	27,166
Gottesdiener Keith Michael	See Remarks	Nov 11	Gift · G	−7,500	—	—	2,560,837

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