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The company

Cullinan Therapeutics, Inc.

CGEM · Nasdaq

Health CareBiotechnologyNot moving yet

CGEM stood above a rising 150-day average in 45 of the last 52 weekly readings, and has been out of that trend for the last 4 weeks. It is 10.6% below that average now. Biotechnology: 18% of its 561 stocks in an uptrend (−14 points in four weeks); Health Care: 28% (−9 points in four weeks).

SEC filings

Statistics

Rotation: Not moving yet
Weeks in an uptrend: out for 4
Industry in uptrend: 18% -14 in 4 wk
Insider buys, 12 months: $1.4M
Insider sales, 12 months: $4.7M
Officials’ trades on record: 0
Institutions holding: 176 (+11)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 45 of 52 weeks.

21 Apr – 20 Oct

Biotechnology: Few of its stocks are in an uptrend and the share has fallen sharply over four weeks. Health Care: A minority of its stocks are in an uptrend and the share has fallen sharply over four weeks.

Money in and out

1 Nov 2024 – 1 Oct 2026

Open-market buys above the line and sales below, in dollars.

Congress and officials

No member of Congress or official has disclosed a trade in it.

Insiders

Buy orders, 12 months1

Sale orders, 12 months26

Buyers · sellers1 · 5

Who	Did	Shares	Traded
Jennifer MichaelsonChief Scientific Officer	sold	8,000at $21.57	8 Sep 2026filed 10 Sep 2026
Jennifer MichaelsonChief Scientific Officer	sold	30,000at $20.26	13 Aug 2026filed 14 Aug 2026
Jennifer MichaelsonChief Scientific Officer	sold	8,000at $17.82	6 Jul 2026filed 7 Jul 2026
Jennifer MichaelsonChief Scientific Officer	sold	7,800at $14.60	5 May 2026filed 6 May 2026
Jennifer MichaelsonChief Scientific Officer	sold	200at $15.58	5 May 2026filed 6 May 2026
Jennifer MichaelsonChief Scientific Officer	sold	8,000at $15.68	5 Mar 2026filed 9 Mar 2026
Jennifer MichaelsonChief Scientific Officer	sold	1,780at $14.14	25 Feb 2026filed 26 Feb 2026
Jacquelyn L. SumerChief Legal Officer	sold	3,601at $14.47	24 Feb 2026filed 25 Feb 2026
Jeffrey Alan JonesChief Medical Officer	sold	4,582at $14.47	24 Feb 2026filed 25 Feb 2026
Nadim AhmedPresident and CEO	sold	13,515at $14.47	24 Feb 2026filed 25 Feb 2026
Jennifer MichaelsonChief Scientific Officer	sold	3,601at $14.47	24 Feb 2026filed 25 Feb 2026
Jennifer MichaelsonChief Scientific Officer	sold	1,752at $13.99	23 Feb 2026filed 25 Feb 2026

Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.

Institutions

Holders176+11 on the quarter

New · exited30 · 19

Reported value$1.2B

Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.

Manager	Shares	Change
MPM BIOIMPACT LLCadded · filed 14 Aug 2026	9,731,341$177.2M	+2,083,073+27.2%
Lynx1 Capital Management LPunchanged · filed 12 Aug 2026	8,963,500$163.2M	00.0%
BVF INCunchanged · filed 14 Aug 2026	5,750,683$104.7M	00.0%
BlackRock, Inc.added · filed 7 Aug 2026	5,232,766$95.3M	+782,800+17.6%
STATE STREET CORPadded · filed 7 Aug 2026	3,668,627$66.8M	+1,124,512+44.2%
Kynam Capital Management, LPunchanged · filed 14 Aug 2026	3,114,132$56.7M	00.0%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026	2,614,066$47.6M	+131,032+5.3%
RTW INVESTMENTS, LPadded · filed 14 Aug 2026	2,364,347$43.1M	+658,387+38.6%
Siren, L.L.C.added · filed 13 Aug 2026	1,893,410$34.5M	+700,000+58.7%
GEODE CAPITAL MANAGEMENT, LLCadded · filed 12 Aug 2026	1,547,309$28.2M	+179,041+13.1%