Zimmer Stuart J.

Track

Insider profile

Performance

Overall performance
2.3
Performance over holding periods
2.3
30 days 90 days 120 days
Average return 2% 8.2% 15.1%
Success rate 77% 68% 82%
Transactions
5 100% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Zimmer Stuart J.'s trades of Ategrity Specialty Insurance Company Holdings's stock


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-10-01 2025-09-30
B Purchase
81,801 -11.8%
453.56
US$4,266,755 		81,801 -11.8% 453.56 US$4,266,755
2025-10-01 2025-09-29
B Purchase
74,768 -35.7%
292.66
US$4,760,110 		74,768 -35.7% 292.66 US$4,760,110
2025-09-29 2025-09-26
B Purchase
11,727 +19.3%
144.93
US$1,639,727 		11,727 +19.3% 144.93 US$1,639,727
2025-09-29 2025-09-25
B Purchase
4,179 +0.0%
19.45
US$81,269 		4,179 +0.0% 19.45 US$81,269
2025-08-15 2025-08-13
B Purchase
5,051 +0.0%
19.49
US$98,426 		5,051 +0.0% 19.49 US$98,426
2021-06-22 2021-06-18
B Purchase
3,500,000 +inf%
10.00
US$35,000,000 		3,500,000 +inf% 10.00 US$35,000,000
2021-06-22 2021-04-28
S Sale
120,000 -1.2%
0.00
US$240 		120,000 -1.2% 0.00 US$240