Cullinan Therapeutics Inc. (CGEM) - Insider Trading & Ownership

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
What is insider trading>>
Time period
Insider Trading Transactions for Cullinan Therapeutics Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-09-08
Sale
2026-09-10
09:22 am
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
8,000$21.57$172,560237,831
(Direct)
View
2026-08-13
Sale
2026-08-14
5:00 pm
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
30,000$20.26$607,800245,831
(Direct)
View
2026-07-06
Sale
2026-07-07
5:00 pm
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
8,000$17.82$142,560275,831
(Direct)
View
2026-05-05
Sale
2026-05-06
5:00 pm
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
8,000$14.62$116,996283,831
(Direct)
View
2026-03-05
Sale
2026-03-09
5:00 pm
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
8,000$15.68$125,440291,831
(Direct)
View
2026-02-25
Sale
2026-02-26
5:05 pm
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
1,780$14.14$25,169174,844
(Direct)
View
2026-02-23
Sale
2026-02-25
5:00 pm
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
5,353$14.31$76,617176,624
(Direct)
View
2026-02-24
Sale
2026-02-25
5:00 pm
Cullinan Therapeutics Inc.CGEMAHMED NADIM
President and CEO
13,515$14.47$195,562390,803
(Direct)
View
2026-02-24
Sale
2026-02-25
5:00 pm
Cullinan Therapeutics Inc.CGEMJones Jeffrey Alan
Chief Medical Officer
4,582$14.47$66,302159,968
(Direct)
View
2026-02-24
Sale
2026-02-25
5:00 pm
Cullinan Therapeutics Inc.CGEMSUMER JACQUELYN L
Chief Legal Officer
3,601$14.47$52,106128,089
(Direct)
View
2026-02-20
Sale
2026-02-23
5:00 pm
Cullinan Therapeutics Inc.CGEMJones Jeffrey Alan
Chief Medical Officer
4,982$13.62$67,855164,550
(Direct)
View
2026-02-20
Sale
2026-02-23
5:00 pm
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
11,742$14.08$165,366306,964
(Direct)
View
2026-02-20
Sale
2026-02-23
5:00 pm
Cullinan Therapeutics Inc.CGEMSUMER JACQUELYN L
Chief Legal Officer
3,742$13.62$50,966131,690
(Direct)
View
2026-02-20
Sale
2026-02-23
5:00 pm
Cullinan Therapeutics Inc.CGEMAHMED NADIM
President and CEO
16,381$13.62$223,109404,318
(Direct)
View
2026-02-20
Sale
2026-02-23
5:00 pm
Cullinan Therapeutics Inc.CGEMFenton Mary Kay
Chief Financial Officer
4,398$13.62$59,901126,380
(Direct)
View
2026-02-12
Sale
2026-02-13
5:00 pm
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
416$12.03$5,004128,219
(Direct)
View
2026-01-22
Sale
2026-01-23
5:00 pm
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
4,000$12.3$49,200128,635
(Direct)
View
2025-12-23
Sale
2025-12-29
5:00 pm
Cullinan Therapeutics Inc.CGEMAHMED NADIM
President and CEO
9,922$10.01$99,319420,699
(Direct)
View
2025-12-19
Sale
2025-12-22
5:00 pm
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
1,345$10.01$13,463132,635
(Direct)
View
2025-12-18
Sale
2025-12-19
5:00 pm
Cullinan Therapeutics Inc.CGEMSUMER JACQUELYN L
Chief Legal Officer
3,480$9.67$33,652135,432
(Direct)
View
2025-12-18
Sale
2025-12-19
5:00 pm
Cullinan Therapeutics Inc.CGEMJones Jeffrey Alan
Chief Medical Officer
4,632$9.67$44,791169,532
(Direct)
View
2025-12-18
Sale
2025-12-19
5:00 pm
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
2,898$9.67$28,024133,980
(Direct)
View
2025-12-12
Sale
2025-12-16
5:00 pm
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
3,143$12.23$38,433136,878
(Direct)
View
2025-11-24
Sale
2025-11-25
5:00 pm
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
4,000$12.3$49,200138,004
(Direct)
View
2025-10-28
Purchase
2025-10-30
5:13 pm
Cullinan Therapeutics Inc.CGEMLynx1 Capital Management LP
Nichols Weston
10% Owner
165,667$8.4005$1,391,6868,963,500
(Indirect)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-09-08
Exercise
2026-09-10
09:22 am
N/A
N/A
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
4,000$4.3237,831
(Direct)
View
2026-09-08
Exercise
2026-09-10
09:22 am
N/A
2030-10-28
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
4,000$0237,831
(Direct)
View
2026-08-13
Exercise
2026-08-14
5:00 pm
N/A
N/A
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
30,000$4.3245,831
(Direct)
View
2026-08-13
Exercise
2026-08-14
5:00 pm
N/A
2030-10-28
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
30,000$0245,831
(Direct)
View
2026-07-06
Exercise
2026-07-07
5:00 pm
N/A
N/A
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
4,000$4.3275,831
(Direct)
View
2026-07-06
Exercise
2026-07-07
5:00 pm
N/A
2030-10-28
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
4,000$0275,831
(Direct)
View
2026-06-30
Option Award
2026-07-02
5:00 pm
N/A
N/A
Cullinan Therapeutics Inc.CGEMSUMER JACQUELYN L
Chief Legal Officer
2,470$8.6130,559
(Direct)
View
2026-06-30
Option Award
2026-07-02
5:00 pm
N/A
N/A
Cullinan Therapeutics Inc.CGEMFenton Mary Kay
Chief Financial Officer
1,541$8.6127,921
(Direct)
View
2026-06-16
Option Award
2026-06-18
5:00 pm
N/A
2026-06-16
Cullinan Therapeutics Inc.CGEMRosenberg Anthony
Director
25,319$025,319
(Direct)
View
2026-06-16
Option Award
2026-06-18
5:00 pm
N/A
2026-06-16
Cullinan Therapeutics Inc.CGEMMeek David D.
Director
25,319$025,319
(Direct)
View
2026-06-16
Option Award
2026-06-18
5:00 pm
N/A
2026-06-16
Cullinan Therapeutics Inc.CGEMWebster Stephen W
Director
25,319$025,319
(Direct)
View
2026-06-16
Option Award
2026-06-18
5:00 pm
N/A
2026-06-16
Cullinan Therapeutics Inc.CGEMAllen Andrew R
Director
21,781$021,781
(Direct)
View
2026-06-16
Option Award
2026-06-18
5:00 pm
N/A
2026-06-16
Cullinan Therapeutics Inc.CGEMThistle Mary
Director
25,319$025,319
(Direct)
View
2026-06-16
Option Award
2026-06-18
5:00 pm
N/A
2026-06-16
Cullinan Therapeutics Inc.CGEMDoyle Mittie
Director
21,781$021,781
(Direct)
View
2026-05-05
Exercise
2026-05-06
5:00 pm
N/A
N/A
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
4,000$4.3283,831
(Direct)
View
2026-05-05
Exercise
2026-05-06
5:00 pm
N/A
2030-10-28
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
4,000$0283,831
(Direct)
View
2026-03-05
Exercise
2026-03-09
5:00 pm
N/A
N/A
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
4,000$4.3291,831
(Direct)
View
2026-03-05
Exercise
2026-03-09
5:00 pm
N/A
2030-10-28
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
4,000$0291,831
(Direct)
View
2026-02-20
Exercise
2026-02-23
5:00 pm
N/A
N/A
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
8,000$4.3306,964
(Direct)
View
2026-02-20
Exercise
2026-02-23
5:00 pm
N/A
2030-10-28
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
8,000$0306,964
(Direct)
View
2026-02-18
Option Award
2026-02-19
5:00 pm
N/A
2036-02-18
Cullinan Therapeutics Inc.CGEMSUMER JACQUELYN L
Chief Legal Officer
230,000$0230,000
(Direct)
View
2026-02-18
Option Award
2026-02-19
5:00 pm
N/A
2036-02-18
Cullinan Therapeutics Inc.CGEMJones Jeffrey Alan
Chief Medical Officer
300,000$0300,000
(Direct)
View
2026-02-18
Option Award
2026-02-19
5:00 pm
N/A
2036-02-18
Cullinan Therapeutics Inc.CGEMAHMED NADIM
President and CEO
828,000$0828,000
(Direct)
View
2026-02-18
Option Award
2026-02-19
5:00 pm
N/A
2036-02-18
Cullinan Therapeutics Inc.CGEMSavill Corrine
Chief Business Officer
175,000$0175,000
(Direct)
View
2026-02-18
Option Award
2026-02-19
5:00 pm
N/A
2036-02-18
Cullinan Therapeutics Inc.CGEMFenton Mary Kay
Chief Financial Officer
206,250$0268,278
(Direct)
View
2026-02-18
Option Award
2026-02-19
5:00 pm
N/A
2036-02-18
Cullinan Therapeutics Inc.CGEMMichaelson Jennifer
Chief Scientific Officer
172,500$0300,719
(Direct)
View
2025-12-31
Option Award
2026-01-05
5:01 pm
N/A
N/A
Cullinan Therapeutics Inc.CGEMFenton Mary Kay
Chief Financial Officer
27$6.4962,028
(Direct)
View
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