Cullinan Therapeutics, Inc. (CGEM) Insider Ownership

Historic Ownership Trends

There are no significant Insider Shareholders in Cullinan Therapeutics as of December 12, 2025.

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
Morana Jovan-Embiricos 829,978 28 Jun, 2022
Bioscience I 2017 Ltd F2 537,392 23 Jun, 2022
Owen Hughes President And CEO 506,226 14 Jan, 2021
Nadim Ahmed President And CEO 430,621 27 Feb, 2025
Corrine Savill Chief Business Officer 240,990 21 Feb, 2025
Thomas Ebeling 186,653 11 Jun, 2024
Jeffrey Alan Jones Chief Medical Officer 174,164 27 Feb, 2025
Jennifer Michaelson Chief Scientific Officer 138,004 25 Nov, 2025
Jacquelyn L Sumer Chief Legal Officer 136,895 27 Feb, 2025
Jeffrey Trigilio Chief Financial Officer 133,919 23 Feb, 2024
Patrick Baeuerle Chief Scientific Officer 76,000 21 Feb, 2023
Leigh Zawel 69,785 15 Feb, 2022
Partners L P/Il Bvf 64,161 19 Jan, 2023
Mary Kay Fenton Chief Financial Officer 60,000 21 Feb, 2025
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
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
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
15 Oct, 2025 Capital Management Lp Lynx1 Common Stock A 51,500 $7.94 8,615,616 I P
16 Oct, 2025 Capital Management Lp Lynx1 Common Stock A 150,000 $8.86 8,765,616 I P
17 Oct, 2025 Capital Management Lp Lynx1 Common Stock A 32,217 $7.84 8,797,833 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
09 Oct, 2025 Capital Management Lp Lynx1 Common Stock A 626,043 $6.70 8,271,786 I P
10 Oct, 2025 Capital Management Lp Lynx1 Common Stock A 277,298 $7.36 8,549,084 I P
25 Feb, 2025 Jeffrey Alan Jones Common Stock D 4,895 $8.53 174,164 D S
25 Feb, 2025 Jennifer Michaelson Common Stock D 3,756 $8.53 142,004 D S
25 Feb, 2025 Nadim Ahmed Common Stock D 12,529 $8.53 430,621 D S
25 Feb, 2025 Jacquelyn L Sumer Common Stock D 3,756 $8.53 136,895 D S
25 Feb, 2025 Nadim Ahmed - - 430,621 D
19 Feb, 2025 Jeffrey Alan Jones Common Stock A 65,000 $0.00 179,059 D A
19 Feb, 2025 Jacquelyn L Sumer - - 140,651 D
19 Feb, 2025 Nadim Ahmed Common Stock A 180,000 $0.00 443,150 D A
19 Feb, 2025 Corrine Savill Common Stock A 37,500 $0.00 240,990 D A
19 Feb, 2025 Jacquelyn L Sumer Common Stock A 50,000 $0.00 140,651 D A
19 Feb, 2025 Mary Kay Fenton Common Stock A 60,000 $0.00 60,000 D A