Kolchinsky Peter - Insider Trades & Share Buys/Sales

Real time insider trading transaction history:

Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
Shares are not adjusted for stock split.

"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Insider Trading Transactions for Kolchinsky Peter

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Common stock purchase or sale:

Transaction Date	Reported DateTime	Company	Symbol	Insider Relationship	Shares Traded	Average Price	Total Amount	Shares Owned	Filing
2026-06-25 Purchase	2026-06-29 4:20 pm	Artiva Biotherapeutics Inc.	ARTV	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	32,876	$8.8857	$292,126	17,955,642 (Indirect)	View
2026-06-17 Sale	2026-06-22 6:59 pm	Werewolf Therapeutics Inc.	HOWL	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. 10% Owner	416,911	$0.35	$145,919	303,719 (Indirect)	View
2026-06-15 Purchase	2026-06-17 6:24 pm	Hemab Therapeutics Holdings Inc.	COAG	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. 10% Owner	67,669	$24.97	$1,689,818	7,808,627 (Indirect)	View
2026-06-12 Purchase	2026-06-16 6:08 pm	Artiva Biotherapeutics Inc.	ARTV	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	531,326	$8.6574	$4,599,903	17,922,766 (Indirect)	View
2026-06-12 Sale	2026-06-16 6:01 pm	Werewolf Therapeutics Inc.	HOWL	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. 10% Owner	448,836	$0.38713	$173,758	331,414 (Indirect)	View
2026-06-11 Purchase	2026-06-15 6:57 pm	Parabilis Medicines Inc.	PBLS	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	21,188,750	$20	$423,775,000	2,648,278 (Indirect)	View
2026-06-09 Sale	2026-06-11 8:13 pm	Werewolf Therapeutics Inc.	HOWL	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. 10% Owner	678,226	$0.37387	$253,569	361,229 (Indirect)	View
2026-06-09 Purchase	2026-06-11 7:36 pm	Artiva Biotherapeutics Inc.	ARTV	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	1,027,722	$7.4438	$7,650,148	17,391,440 (Indirect)	View
2026-05-19 Purchase	2026-05-21 4:20 pm	Hemab Therapeutics Holdings Inc.	COAG	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. 10% Owner	4,798	$24.96	$119,776	7,740,958 (Indirect)	View
2026-05-12 Purchase	2026-05-14 5:21 pm	Hemab Therapeutics Holdings Inc.	COAG	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. 10% Owner	6,387	$24.9	$159,036	7,736,160 (Indirect)	View
2026-05-11 Purchase	2026-05-13 5:45 pm	Artiva Biotherapeutics Inc.	ARTV	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	6,510,416	$11.52	$74,999,992	18,533,856 (Indirect)	View
2026-05-08 Sale	2026-05-12 6:26 pm	Werewolf Therapeutics Inc.	HOWL	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. 10% Owner	565,167	$0.69128	$390,688	406,282 (Indirect)	View
2026-05-07 Purchase	2026-05-11 5:44 pm	Hemab Therapeutics Holdings Inc.	COAG	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. 10% Owner	51,258	$24.75	$1,268,594	7,729,773 (Indirect)	View
2026-05-04 Purchase	2026-05-06 7:16 pm	Hemab Therapeutics Holdings Inc.	COAG	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund II L.P. RA Capital Nexus Fund IV L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	2,840,429	$18.39	$52,222,946	6,314,525 (Indirect)	View
2026-04-22 Sale	2026-04-24 6:12 pm	Vor Biopharma Inc.	VOR	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. Director 10% Owner	165,150	$15.77	$2,604,416	2,402,095 (Indirect)	View
2026-04-17 Sale	2026-04-21 7:04 pm	Vor Biopharma Inc.	VOR	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. Director 10% Owner	630,374	$16.14	$10,174,788	2,567,245 (Indirect)	View

Stock options: Exercise, Award, Grant, Conversion

Transaction Date	Reported DateTime	Exercisable Expiration	Company	Symnbol	Insider Relationship	Shares Traded	Conversion Price	Shares Owned	Filing
2026-06-29 Option Award	2026-07-01 5:45 pm	N/A 2036-06-29	Climb Bio Inc.	CLYM	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. RA Capital Nexus Fund II L.P. RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	70,284	$0	70,284 (Indirect)	View
2026-06-26 Option Award	2026-06-30 7:52 pm	N/A 2036-06-25	Septerna Inc.	SEPN	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	15,000	$0	15,000 (Indirect)	View
2026-06-24 Option Award	2026-06-26 4:52 pm	N/A 2036-06-23	ARS Pharmaceuticals Inc.	SPRY	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund II L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	30,000	$0	30,000 (Indirect)	View
Ownership	2026-06-24 6:50 pm	N/A N/A	Solid Biosciences Inc.	SLDB	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. 10% Owner	0	$0	20,214,538 (Indirect)	View
2026-06-17 Option Award	2026-06-22 4:32 pm	N/A 2036-06-16	Acrivon Therapeutics Inc.	ACRV	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund II L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	20,275	$0	20,275 (Indirect)	View
2026-06-18 Option Award	2026-06-22 4:31 pm	N/A 2036-06-17	PepGen Inc.	PEPG	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund II L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	34,000	$0	34,000 (Indirect)	View
2026-06-17 Option Award	2026-06-18 5:41 pm	N/A 2036-06-16	Sionna Therapeutics Inc.	SION	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	17,340	$0	17,340 (Indirect)	View
2026-06-15 Option Award	2026-06-15 8:22 pm	N/A 2036-06-15	LENZ Therapeutics Inc.	LENZ	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund II L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	22,100	$0	22,100 (Indirect)	View
2026-06-11 Conversion	2026-06-15 6:57 pm	N/A N/A	Parabilis Medicines Inc.	PBLS	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	19,659,625	$0	2,648,278 (Indirect)	View
2026-06-11 Option Award	2026-06-12 8:44 pm	N/A 2036-06-10	Vor Biopharma Inc.	VOR	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. Director 10% Owner	57,162	$0	57,162 (Indirect)	View
2026-06-11 Option Award	2026-06-12 8:30 pm	N/A 2036-06-10	Janux Therapeutics Inc.	JANX	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund II L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	21,000	$0	11,216,943 (Indirect)	View
2026-06-09 Option Award	2026-06-11 6:36 pm	N/A 2036-06-08	Parabilis Medicines Inc.	PBLS	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director	20,215	$0	20,215 (Indirect)	View
2026-06-10 Option Award	2026-06-11 4:30 pm	N/A 2036-06-09	Nkarta Inc.	NKTX	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	37,000	$0	37,000 (Indirect)	View
2026-06-09 Option Award	2026-06-10 4:43 pm	N/A 2036-06-09	Bicara Therapeutics Inc.	BCAX	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	19,475	$0	19,475 (Indirect)	View
Ownership	2026-06-09 9:30 pm	N/A N/A	Parabilis Medicines Inc.	PBLS	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director	0	$0	7,744,621 (Indirect)	View
2026-06-05 Option Award	2026-06-08 6:57 pm	N/A 2036-06-04	Climb Bio Inc.	CLYM	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. RA Capital Nexus Fund II L.P. RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	40,000	$0	40,000 (Indirect)	View
2026-06-03 Option Award	2026-06-05 5:12 pm	N/A 2036-06-03	Acumen Pharmaceuticals Inc.	ABOS	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund II L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	88,750	$0	21,094,219 (Indirect)	View
2026-05-28 Option Award	2026-06-01 5:45 pm	N/A 2036-05-27	Tyra Biosciences Inc.	TYRA	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	13,160	$0	13,160 (Indirect)	View
2026-05-18 Option Award	2026-05-20 4:59 pm	N/A N/A	Acrivon Therapeutics Inc.	ACRV	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund II L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	9,366	$0	12,238,762 (Indirect)	View
2026-05-04 Conversion	2026-05-06 7:16 pm	N/A N/A	Hemab Therapeutics Holdings Inc.	COAG	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund II L.P. RA Capital Nexus Fund IV L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	5,057,999	$0	6,314,525 (Indirect)	View
Ownership	2026-04-30 6:36 pm	N/A N/A	Hemab Therapeutics Holdings Inc.	COAG	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund II L.P. RA Capital Nexus Fund IV L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	0	$0	4,838,086 (Indirect)	View
2026-04-29 Option Award	2026-04-29 6:46 pm	N/A N/A	Climb Bio Inc.	CLYM	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund L.P. RA Capital Nexus Fund II L.P. RA Capital Nexus Fund III L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	2,106,000	$9.4999	22,546,000 (Indirect)	View
2026-04-27 Other	2026-04-29 4:15 pm	N/A N/A	Adicet Bio Inc.	ACET	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. 10% Owner	250,000	$0	2,585,457 (Indirect)	View
2026-04-27 Other	2026-04-28 5:14 pm	N/A N/A	Prelude Therapeutics Inc	PRLD	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. 10% Owner	1,407,000	$0	9,289,882 (Indirect)	View
Ownership	2026-04-28 5:13 pm	N/A N/A	Prelude Therapeutics Inc	PRLD	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. 10% Owner	0	$0	7,882,882 (Indirect)	View
2026-04-22 Option Award	2026-04-23 4:28 pm	N/A N/A	Acrivon Therapeutics Inc.	ACRV	RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP RA Capital Nexus Fund II L.P. Kolchinsky Peter Shah Rajeev M. Director 10% Owner	3,888,888	$1.8	12,229,396 (Indirect)	View

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Kolchinsky Peter - Insider Trading & Ownership