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Stuart J. Zimmer Insider Profile

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Stuart J. Zimmer, Director, Ten Percent Owner at Ategrity Specialty Holdings LLC, holds 38.79M shares in Ategrity Specialty Holdings LLC (Ticker: ASIC), holds 0.00 shares in Zimmer Energy Transition Acquisition (Ticker: ZT). Most recently, Stuart J. Zimmer Bought ― shares of Ategrity Specialty Holdings LLC on Oct 01, 2025 for an estimated value of $216.04K.
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Stuart J. Zimmer

Stuart J. Zimmer
Ategrity Specialty Holdings LLC (ASIC)
Director, Ten Percent Owner

Ranked #22,375 out of 108,921 Corporate Insiders

Profitable Transactions

100%
3 out of 3 Profitable Transactions

Average Return

+36.90%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark

Insider Holdings

$1B
100.00%
A breakdown of Stuart J. Zimmer's holdings

Insider Roles

Ategrity Specialty Holdings LLC
(ASIC)
Director, Ten Percent Owner
Roles that Stuart J. Zimmer holds in companies

Most Profitable Insider Trade

Stock:
Ategrity Specialty Holdings LLC
(ASIC)
Rating:Informative Buy
Date:Oct 01, 2025 - Today
Return:+53.20%
The most profitable trade made by Stuart J. Zimmer

Stuart J. Zimmer's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
Ategrity Specialty Holdings LLC
Oct 01, 2025
Director, Ten Percent Owner
Informative Buy
216.04K
$1.03B
ZT
Zimmer Energy Transition Acquisition
Jun 13, 2023
Uninformative Sell
35.84M
$0.00
List of latest transactions for each holding click on a transaction to see Stuart J. Zimmer's performance on stock

Stuart J. Zimmer insider profile FAQ

What is the percentage of profitable transactions made by Stuart J. Zimmer?
The percentage of profitable transactions made by Stuart J. Zimmer is 100%.
    What is the average return per transaction made by Stuart J. Zimmer?
    The average return per transaction made by Stuart J. Zimmer is 36.90%.
      What stocks does Stuart J. Zimmer hold?
      Stuart J. Zimmer holds: ASIC, ZT stocks.
        What was Stuart J. Zimmer’s latest transaction?
        Stuart J. Zimmer latest transaction was an Informative Buy of $216.04K.
          What was Stuart J. Zimmer's most profitable transaction?
          Stuart J. Zimmer’s most profitable transaction was an Informative Buy of ASIC stock on October 1, 2025. The return on the trade was 53.20%.
            What is Stuart J. Zimmer's role in Ategrity Specialty Holdings LLC?
            Stuart J. Zimmer's role in Ategrity Specialty Holdings LLC is Director, Ten Percent Owner.
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