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Cullinan Therapeutics, Inc. insider trading

CGEMNASDAQ
$15.51+0.98 (+6.74%)as of Oct 2, 2026

“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

Insider Trading vs Stock Price

Insider Trading vs Stock Price data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+169.7%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Open market purchase
Open market sell
Marker size reflects transaction size.

Net dollar flow · Buy / Sell balance

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Key players

  • NANadim AhmedPresident and CEO0.6073%of company
  • CSCorrine SavillChief Business Officer0.3745%of company
  • JAJeffrey Alan JonesChief Medical Officer0.2486%of company
  • JMJennifer MichaelsonChief Scientific Officer0.2468%of company
  • JLJacquelyn L. SumerChief Legal Officer0.2029%of company
  • MKMary Kay FentonChief Financial Officer0.1988%of company
  • LCLynx1 Capital Management LP10% OwnerNot reportedof company
  • WNWeston Nichols10% OwnerNot reportedof company

AI Activity Analysis

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Insider activity

Fromto
CompanyInsider / roleActionΔOwnAvg priceAmount
CGEMJennifer MichaelsonChief Scientific OfficerOpen market sell$25.2K-1.0%$14.14$25.2KFeb 25, 2026Feb 26, 2026
CGEMJennifer MichaelsonChief Scientific OfficerOpen market sell$52.1K-2.0%$14.47$52.1KFeb 24, 2026Feb 25, 2026
CGEMNadim AhmedPresident and CEOOpen market sell$196K-3.3%$14.47$196KFeb 24, 2026Feb 25, 2026
CGEMJeffrey Alan JonesChief Medical OfficerOpen market sell$66.3K-2.8%$14.47$66.3KFeb 24, 2026Feb 25, 2026
CGEMJacquelyn L. SumerChief Legal OfficerOpen market sell$52.1K-2.7%$14.47$52.1KFeb 24, 2026Feb 25, 2026
CGEMJennifer MichaelsonChief Scientific OfficerOpen market sell$24.5K-1.0%$13.99$24.5KFeb 23, 2026Feb 25, 2026
CGEMMary Kay FentonChief Financial OfficerOpen market sell$59.9K-3.4%$13.62$59.9KFeb 20, 2026Feb 23, 2026
CGEMJeffrey Alan JonesChief Medical OfficerOpen market sell$67.9K-2.9%$13.62$67.9KFeb 20, 2026Feb 23, 2026
CGEMJacquelyn L. SumerChief Legal OfficerOpen market sell$51K-2.8%$13.62$51KFeb 20, 2026Feb 23, 2026
CGEMNadim AhmedPresident and CEOOpen market sell$223K-3.9%$13.62$223KFeb 20, 2026Feb 23, 2026
CGEMJennifer MichaelsonChief Scientific OfficerOpen market sell$5K-0.3%$12.03$5KFeb 12, 2026Feb 13, 2026
CGEMJennifer MichaelsonChief Scientific OfficerOpen market sell$49.2K-3.0%$12.30$49.2KJan 22, 2026Jan 23, 2026
CGEMNadim AhmedPresident and CEOOpen market sell$99.3K-2.3%$10.01$99.3KDec 23, 2025Dec 29, 2025
CGEMJennifer MichaelsonChief Scientific OfficerOpen market sell$13.5K-1.0%$10.01$13.5KDec 19, 2025Dec 22, 2025
CGEMJacquelyn L. SumerChief Legal OfficerOpen market sell$33.7K-2.5%$9.67$33.7KDec 18, 2025Dec 19, 2025
CGEMJeffrey Alan JonesChief Medical OfficerOpen market sell$44.8K-2.7%$9.67$44.8KDec 18, 2025Dec 19, 2025
CGEMJennifer MichaelsonChief Scientific OfficerOpen market sell$28K-2.1%$9.67$28KDec 18, 2025Dec 19, 2025
CGEMJennifer MichaelsonChief Scientific OfficerOpen market sell$11.8K-0.7%$11.90$11.8KDec 15, 2025Dec 16, 2025
CGEMJennifer MichaelsonChief Scientific OfficerOpen market sell$26.6K-1.5%$12.38$26.6KDec 12, 2025Dec 16, 2025
CGEMJennifer MichaelsonChief Scientific OfficerOpen market sell$49.2K-2.8%$12.30$49.2KNov 24, 2025Nov 25, 2025
CGEMWeston Nichols10% OwnerOpen market purchase$1.39M+1.9%$8.40$1.39MOct 28, 2025Oct 30, 2025
CGEMLynx1 Capital Management LP10% OwnerOpen market purchase$253K+0.2%$7.84$253KOct 17, 2025Oct 21, 2025
CGEMLynx1 Capital Management LP10% OwnerOpen market purchase$1.33M+0.9%$8.86$1.33MOct 16, 2025Oct 21, 2025
CGEMLynx1 Capital Management LP10% OwnerOpen market purchase$409K+0.3%$7.94$409KOct 15, 2025Oct 21, 2025
CGEMLynx1 Capital Management LP10% OwnerOpen market purchase$114K+0.1%$7.59$114KOct 14, 2025Oct 21, 2025
CGEMLynx1 Capital Management LP10% OwnerOpen market purchase$2.04M+1.7%$7.36$2.04MOct 10, 2025Oct 10, 2025
CGEMLynx1 Capital Management LP10% OwnerOpen market purchase$4.19M+4.1%$6.70$4.19MOct 9, 2025Oct 10, 2025
CGEMLynx1 Capital Management LP10% OwnerOpen market purchase$3.59M+3.6%$6.46$3.59MOct 8, 2025Oct 10, 2025
End of history · 28 transactions

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