Jennifer Michaelson Cullinan Oncology, Inc. (CGEM) insider trading activity

CGEM Quotes by TradingView

Jennifer Michaelson is Chief Scientific Officer of Cullinan Oncology, Inc.. Currently has a direct ownership of 132,635 shares of CGEM, which is worth approximately $1.13 Million. The most recent transaction as insider was on Dec 19, 2025, when has been sold 1,345 shares (Common Stock) at a price of $10.01 per share, resulting in proceeds of $13,463. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 133K
6.6% 3M change
32.95% 12M change
Total Value Held $1.13 Million

Jennifer Michaelson Transaction History

Date Transaction Value Shares Traded Shares Held Form
Dec 19 2025
SELL
Open market or private sale
$13,463 $10.01 p/Share
1,345 Reduced 1.0%
132,635 Common Stock
Dec 18 2025
SELL
Open market or private sale
$28,023 $9.67 p/Share
2,898 Reduced 2.12%
133,980 Common Stock
Dec 15 2025
SELL
Open market or private sale
$11,840 $11.9 p/Share
995 Reduced 0.72%
136,878 Common Stock
Dec 12 2025
SELL
Open market or private sale
$26,592 $12.38 p/Share
2,148 Reduced 1.53%
137,873 Common Stock
Nov 24 2025
SELL
Open market or private sale
$49,200 $12.3 p/Share
4,000 Reduced 2.82%
138,004 Common Stock
Feb 25 2025
SELL
Open market or private sale
$32,038 $8.53 p/Share
3,756 Reduced 2.58%
142,004 Common Stock
Feb 19 2025
BUY
Grant, award, or other acquisition
-
50,000 Added 25.54%
145,760 Common Stock
Jan 06 2025
SELL
Open market or private sale
$50,040 $12.51 p/Share
4,000 Reduced 4.01%
95,760 Common Stock
Dec 18 2024
SELL
Open market or private sale
$53,547 $11.41 p/Share
4,693 Reduced 4.49%
99,760 Common Stock
Dec 12 2024
SELL
Open market or private sale
$43,682 $12.52 p/Share
3,489 Reduced 3.23%
104,453 Common Stock
Nov 05 2024
SELL
Open market or private sale
$125,120 $15.64 p/Share
8,000 Reduced 6.9%
107,942 Common Stock
Sep 05 2024
SELL
Open market or private sale
$144,720 $18.09 p/Share
8,000 Reduced 6.45%
115,942 Common Stock
Jul 05 2024
SELL
Open market or private sale
$130,639 $16.33 p/Share
8,000 Reduced 6.06%
123,942 Common Stock
Jul 01 2024
BUY
Grant, award, or other acquisition
$21,240 $9.0 p/Share
2,360 Added 1.76%
131,942 Common Stock
May 07 2024
SELL
Open market or private sale
$168,516 $30.06 p/Share
5,606 Reduced 4.15%
129,582 Common Stock
May 07 2024
BUY
Exercise of conversion of derivative security
$24,105 $4.3 p/Share
5,606 Added 3.98%
135,188 Common Stock
May 06 2024
SELL
Open market or private sale
$1,634,440 $28.18 p/Share
58,000 Reduced 30.92%
129,582 Common Stock
May 06 2024
BUY
Exercise of conversion of derivative security
$215,000 $4.3 p/Share
50,000 Added 21.05%
187,582 Common Stock
Feb 22 2024
BUY
Grant, award, or other acquisition
-
50,000 Added 26.66%
137,582 Common Stock
Dec 21 2023
SELL
Open market or private sale
$9,732 $8.5 p/Share
1,145 Reduced 1.29%
87,582 Common Stock
Dec 18 2023
SELL
Open market or private sale
$1,956 $8.22 p/Share
238 Reduced 0.27%
88,727 Common Stock
Dec 12 2023
SELL
Open market or private sale
$8,341 $7.81 p/Share
1,068 Reduced 1.19%
88,965 Common Stock
Jun 20 2023
SELL
Open market or private sale
$3,079 $12.94 p/Share
238 Reduced 0.26%
90,033 Common Stock
Jun 12 2023
SELL
Open market or private sale
$2,307 $13.11 p/Share
176 Reduced 0.19%
90,271 Common Stock
Jun 07 2023
SELL
Open market or private sale
$1,240 $12.4 p/Share
100 Reduced 0.11%
90,447 Common Stock
JM

Jennifer Michaelson

Chief Scientific Officer
Cambridge, MA

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