CGEM

Cullinan Therapeutics, Inc.

Company with tickers: CGEM

Market Cap

$1.13B

Shares Outstanding

61,458,046

CIK

1789972

CUSIP

230031106

13F Activity (30d)

1 filings 1 filers

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Insider Sentiment Score

Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.

Net buyers

-1

Net shares bought

-0.01%

Net buy value

-$116,996

Date	Insider	Role	Type	Shares	Price	Value	After
2026-06-16	Thistle Mary	Director	Award	25,319	—	—	25,319
2026-06-16	Webster Stephen W	Director	Award	25,319	—	—	25,319
2026-06-16	Meek David D.	Director	Award	25,319	—	—	25,319
2026-06-16	Rosenberg Anthony	Director	Award	25,319	—	—	25,319
2026-06-16	Allen Andrew R	Director	Award	21,781	—	—	21,781
2026-06-16	Doyle Mittie	Director	Award	21,781	—	—	21,781
2026-05-05	Michaelson Jennifer	Chief Scientific Officer	Convert	4,000	—	—	116,987
2026-05-05	Michaelson Jennifer	Chief Scientific Officer	Sell	7,800	$14.60	$113,880	167,044
2026-05-05	Michaelson Jennifer	Chief Scientific Officer	Convert	4,000	$4.30	$17,200	174,844
2026-05-05	Michaelson Jennifer	Chief Scientific Officer	Sell	200	$15.58	$3,116	166,844
2026-03-05	Michaelson Jennifer	Chief Scientific Officer	Convert	4,000	$4.30	$17,200	178,844
2026-03-05	Michaelson Jennifer	Chief Scientific Officer	Sell	8,000	$15.68	$125,440	170,844
2026-03-05	Michaelson Jennifer	Chief Scientific Officer	Convert	4,000	—	—	120,987
2026-02-25	Michaelson Jennifer	Chief Scientific Officer	Sell	1,780	$14.14	$25,169	174,844
2026-02-24	Michaelson Jennifer	Chief Scientific Officer	Sell	3,601	$14.47	$52,106	176,624
2026-02-24	SUMER JACQUELYN L	Chief Legal Officer	Sell	3,601	$14.47	$52,106	128,089
2026-02-24	AHMED NADIM	EVP and President, Hematology	Sell	13,515	$14.47	$195,562	390,803
2026-02-24	Jones Jeffrey Alan	Chief Medical Officer	Sell	4,582	$14.47	$66,302	159,968
2026-02-23	Michaelson Jennifer	Chief Scientific Officer	Sell	1,752	$13.99	$24,510	180,225
2026-02-20	Fenton Mary Kay	Chief Financial Officer	Sell	4,398	$13.62	$59,901	126,380
2026-02-20	SUMER JACQUELYN L	Chief Legal Officer	Sell	3,742	$13.62	$50,966	131,690
2026-02-20	Jones Jeffrey Alan	Chief Medical Officer	Sell	4,982	$13.62	$67,855	164,550
2026-02-20	AHMED NADIM	EVP and President, Hematology	Sell	16,381	$13.62	$223,109	404,318
2026-02-20	Michaelson Jennifer	Chief Scientific Officer	Convert	8,000	—	—	124,987
2026-02-20	Michaelson Jennifer	Chief Scientific Officer	Sell	3,742	$13.62	$50,966	181,977
2026-02-20	Michaelson Jennifer	Chief Scientific Officer	Sell	8,000	$14.30	$114,400	181,977
2026-02-20	Michaelson Jennifer	Chief Scientific Officer	Convert	8,000	$4.30	$34,400	189,977
2026-02-18	Savill Corrine	Chief Business Officer	Award	175,000	—	—	175,000
2026-02-18	Michaelson Jennifer	Chief Scientific Officer	Award	115,000	—	—	115,000
2026-02-18	Jones Jeffrey Alan	Chief Medical Officer	Award	300,000	—	—	300,000
2026-02-18	SUMER JACQUELYN L	Chief Legal Officer	Award	230,000	—	—	230,000
2026-02-18	Fenton Mary Kay	Chief Financial Officer	Award	68,750	—	—	130,778
2026-02-18	Michaelson Jennifer	Chief Scientific Officer	Award	57,500	—	—	185,719
2026-02-18	Fenton Mary Kay	Chief Financial Officer	Award	137,500	—	—	137,500
2026-02-18	AHMED NADIM	EVP and President, Hematology	Award	828,000	—	—	828,000
2026-02-12	Michaelson Jennifer	Chief Scientific Officer	Sell	416	$12.03	$5,004	128,219
2026-01-22	Michaelson Jennifer	Chief Scientific Officer	Sell	4,000	$12.30	$49,200	128,635
2025-12-31	Fenton Mary Kay	Chief Financial Officer	Award	27	$6.49	$175	62,028
2025-12-23	AHMED NADIM	EVP and President, Hematology	Sell	9,922	$10.01	$99,319	420,699
2025-12-19	Michaelson Jennifer	Chief Scientific Officer	Sell	1,345	$10.01	$13,463	132,635
2025-12-18	Michaelson Jennifer	Chief Scientific Officer	Sell	2,898	$9.67	$28,024	133,980
2025-12-18	SUMER JACQUELYN L	Chief Legal Officer	Sell	3,480	$9.67	$33,652	135,432
2025-12-18	Jones Jeffrey Alan	Chief Medical Officer	Sell	4,632	$9.67	$44,791	169,532
2025-12-15	Michaelson Jennifer	Chief Scientific Officer	Sell	995	$11.90	$11,841	136,878
2025-12-12	Michaelson Jennifer	Chief Scientific Officer	Sell	2,148	$12.38	$26,592	137,873
2025-11-24	Michaelson Jennifer	Chief Scientific Officer	Sell	4,000	$12.30	$49,200	138,004
2025-10-28	Lynx1 Capital Management LP	10% Owner	Buy	165,667	$8.40	$1,391,686	8,963,500
2025-10-17	Lynx1 Capital Management LP	10% Owner	Buy	32,217	$7.84	$252,565	8,797,833
2025-10-16	Lynx1 Capital Management LP	10% Owner	Buy	150,000	$8.86	$1,328,250	8,765,616
2025-10-15	Lynx1 Capital Management LP	10% Owner	Buy	51,500	$7.94	$409,049	8,615,616

Showing 1–50 of 432 transactions