NASDAQ:CGEM

Cullinan Oncology Stock Insider Trading

etoro logo Buy CGEM
*Your capital is at risk
$17.75
+0.450 (+2.60%)
At Close: Jun 23, 2026

Cullinan Oncology Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 77.71. In total, the insiders bought 7.69M and sold 169.78K CGEM shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
77.71
Buy 7.69M shares
Sell 169.78K shares
67% Buy Activity
Weak Negative Correlation
Sell Signal Low Confidence
Feb 24, 2026

Analysis Breakdown:

  • Signal is highly questionable due to a strongly contradictory positive Insider Power Score of 77.71.
  • Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date Type Person Role Amount
Jun 16, 2026
Buy
Stock Option (Right to Buy)
A-Award
Thistle Mary
Director
Director 25 319
Value: $343.1K
Jun 16, 2026
Buy
Stock Option (Right to Buy)
A-Award
Rosenberg Anthony
Director
Director 25 319
Value: $343.1K
Jun 16, 2026
Buy
Stock Option (Right to Buy)
A-Award
Meek David D.
Director
Director 25 319
Value: $343.1K
Jun 16, 2026
Buy
Stock Option (Right to Buy)
A-Award
Webster Stephen W
Director
Director 25 319
Value: $343.1K
Jun 16, 2026
Buy
Stock Option (Right to Buy)
A-Award
Allen Andrew R
Director
Director 21 781
Value: $295.1K
Jun 16, 2026
Buy
Stock Option (Right to Buy)
A-Award
Doyle Mittie
Director
Director 21 781
Value: $295.1K
May 05, 2026
Sell
Common Stock
S-Sale
Michaelson Jennifer
Chief Scientific Officer
Officer 200
Value: $3K
May 05, 2026
Buy
Common Stock
M-Exempt
Michaelson Jennifer
Chief Scientific Officer
Officer 4 000
Value: $17.2K
May 05, 2026
Sell
Common Stock
S-Sale
Michaelson Jennifer
Chief Scientific Officer
Officer 7 800
Value: $113.9K
May 05, 2026
Buy
Stock Option (Right to Buy)
M-Exempt
Michaelson Jennifer
Chief Scientific Officer
Officer 4 000
Value: $17.2K
Mar 05, 2026
Sell
Common Stock
S-Sale
Michaelson Jennifer
Chief Scientific Officer
Officer 8 000
Value: $125.4K
Mar 05, 2026
Buy
Common Stock
M-Exempt
Michaelson Jennifer
Chief Scientific Officer
Officer 4 000
Value: $17.2K
Mar 05, 2026
Buy
Stock Option (Right to Buy)
M-Exempt
Michaelson Jennifer
Chief Scientific Officer
Officer 4 000
Value: $17.2K
Feb 25, 2026
Sell
Common Stock
S-Sale
Michaelson Jennifer
Chief Scientific Officer
Officer 1 780
Value: $25.2K
Feb 24, 2026
Sell
Common Stock
S-Sale
Jones Jeffrey Alan
Chief Medical Officer
Officer 4 582
Value: $66.3K
Feb 24, 2026
Sell
Common Stock
S-Sale
Ahmed Nadim
President And CEO
CEO / President 13 515
Value: $195.6K
Feb 24, 2026
Sell
Common Stock
S-Sale
Michaelson Jennifer
Chief Scientific Officer
Officer 3 601
Value: $52.1K
Feb 24, 2026
Sell
Common Stock
S-Sale
Sumer Jacquelyn L
Chief Legal Officer
Officer 3 601
Value: $52.1K
Feb 23, 2026
Sell
Common Stock
S-Sale
Michaelson Jennifer
Chief Scientific Officer
Officer 1 752
Value: $24.5K
Feb 20, 2026
Sell
Common Stock
S-Sale
Fenton Mary Kay
Chief Financial Officer
C-Suite Officer 4 398
Value: $59.9K
Feb 20, 2026
Sell
Common Stock
S-Sale
Sumer Jacquelyn L
Chief Legal Officer
Officer 3 742
Value: $51.0K
Feb 20, 2026
Sell
Common Stock
S-Sale
Michaelson Jennifer
Chief Scientific Officer
Officer 8 000
Value: $114.4K
Feb 20, 2026
Sell
Common Stock
S-Sale
Jones Jeffrey Alan
Chief Medical Officer
Officer 4 982
Value: $67.9K
Feb 20, 2026
Buy
Common Stock
M-Exempt
Michaelson Jennifer
Chief Scientific Officer
Officer 8 000
Value: $34.4K
Feb 20, 2026
Sell
Common Stock
S-Sale
Michaelson Jennifer
Chief Scientific Officer
Officer 3 742
Value: $51.0K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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