Cullinan Therapeutics, Inc. (CGEM) Insider Ownership

Historic Insider Ownership Trends

Through the 90-day period concluding January 10, 2026, Cullinan Therapeutics's top three insider stakeholders include TenPercentOwner Capital Management Lp Lynx1 (8.96Mn shares), Director Ansbert Gadicke (7.89Mn shares), TenPercentOwner Oncology Impact Fund L.P. Ubs (7.65Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Capital Management Lp Lynx1 8,963,500 30 Oct, 2025
Ansbert Gadicke 7,892,819 20 Sep, 2021
Oncology Impact Fund L.P. Ubs 7,648,268 20 Sep, 2021
Vision Scs F2 1,255,963 04 Aug, 2022
Bioscience I 2017 Ltd F2 537,392 23 Jun, 2022
Nadim Ahmed President And Ceo 420,699 29 Dec, 2025
Corrine Savill Chief Business Officer 240,990 21 Feb, 2025
Morana Jovan-Embiricos 207,803 28 Jun, 2022
Thomas Ebeling 186,653 11 Jun, 2024
Jeffrey Alan Jones Chief Medical Officer 169,532 19 Dec, 2025
Jacquelyn L Sumer Chief Legal Officer 135,432 19 Dec, 2025
Jeffrey Trigilio Chief Financial Officer 133,919 23 Feb, 2024
Jennifer Michaelson Chief Scientific Officer 132,635 22 Dec, 2025
Patrick Baeuerle Chief Scientific Officer 76,000 21 Feb, 2023
Leigh Zawel Nan 69,785 15 Feb, 2022
Partners L P/Il Bvf 64,161 19 Jan, 2023
Mary Kay Fenton Chief Financial Officer 62,028 05 Jan, 2026
Raymond T Keane Chief Legal Officer 24,124 15 Feb, 2022

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
31 Dec, 2025 Mary Kay Fenton Common Stock A 27 $6.49 62,028 D A
23 Dec, 2025 Nadim Ahmed Common Stock D 9,922 $10.01 420,699 D S
19 Dec, 2025 Jennifer Michaelson Common Stock D 1,345 $10.01 132,635 D S
18 Dec, 2025 Jennifer Michaelson Common Stock D 2,898 $9.67 133,980 D S
18 Dec, 2025 Jacquelyn L Sumer Common Stock D 3,480 $9.67 135,432 D S
18 Dec, 2025 Jeffrey Alan Jones Common Stock D 4,632 $9.67 169,532 D S
15 Dec, 2025 Jennifer Michaelson Common Stock D 995 $11.90 136,878 D S
12 Dec, 2025 Jennifer Michaelson Common Stock D 2,148 $12.38 137,873 D S
24 Nov, 2025 Jennifer Michaelson Common Stock D 4,000 $12.30 138,004 D S
28 Oct, 2025 Capital Management Lp Lynx1 Common stock, $0.0001 par value per share A 165,667 $8.40 8,963,500 I P
17 Oct, 2025 Capital Management Lp Lynx1 Common Stock A 32,217 $7.84 8,797,833 I P
16 Oct, 2025 Capital Management Lp Lynx1 Common Stock A 150,000 $8.86 8,765,616 I P
15 Oct, 2025 Capital Management Lp Lynx1 Common Stock A 51,500 $7.94 8,615,616 I P
14 Oct, 2025 Capital Management Lp Lynx1 Common stock, $0.0001 par value per share ("Common Stock") A 15,032 $7.59 8,564,116 I P
10 Oct, 2025 Capital Management Lp Lynx1 Common Stock A 277,298 $7.36 8,549,084 I P
09 Oct, 2025 Capital Management Lp Lynx1 Common Stock A 626,043 $6.70 8,271,786 I P
08 Oct, 2025 Capital Management Lp Lynx1 Common stock, $0.0001 par value per share ("Common Stock") A 556,300 $6.46 7,645,743 I P
25 Feb, 2025 Nadim Ahmed Common Stock D 12,529 $8.53 430,621 D S
25 Feb, 2025 Jennifer Michaelson Common Stock D 3,756 $8.53 142,004 D S
25 Feb, 2025 Jacquelyn L Sumer Common Stock D 3,756 $8.53 136,895 D S