Joseph Platt

Insider profile

Currently holds positions in Core Natural Resources, Inc. and Greenlight Capital Re Ltd

Performance

Overall performance
2.7
Performance over holding periods
4.2
30 days 90 days 120 days
Average return -0% 8.2% 15.1%
Success rate 64% 68% 82%
Transactions
9 11% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Performance for realised trades
4.4
Average return 35%
Success rate 73%
Average holding period 220
Transactions 28
Ranking by realised performance

Positions

Position Company Period
Independent Director Core Natural Resources, Inc. May 1, 2016 -
Lead Independent Director Greenlight Capital Re Ltd April 27, 2011 -
Independent Director CNX Resources Corp May 1, 2016 - Jan. 1, 2017
Joseph Platt's trades of Greenlight Capital Re Ltd's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Transaction date
Proposed sale
Price
17.98
Quantity 55,000
Value US$988,900
Transaction date
Proposed sale
Price
98.33
Quantity 10,227
Value US$1,005,582
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-27 2026-05-26
S Sale
94,246 +43.2%
401.08
US$1,552,306 		94,246 +43.2% 401.08 US$1,552,306
2026-05-20 2026-05-19
S Sale
58,388 +30.8%
60.73
US$2,003,103 		58,388 +30.8% 60.73 US$2,003,103
2026-05-18 2026-05-14
S Sale
45,153 +25.0%
328.05
US$2,332,290 		45,153 +25.0% 328.05 US$2,332,290
2026-05-14 2026-05-13
S Sale
820 -1.7%
17.50
US$14,350 		820 -1.7% 17.50 US$14,350
2026-05-14 2026-05-12
S Sale
6,820 -12.4%
17.50
US$119,350 		6,820 -12.4% 17.50 US$119,350
2026-05-11 2026-05-11
PrS Proposed sale
55,000
17.98
US$988,900 		55,000 17.98 US$988,900
2025-11-19 2025-11-18
B Purchase
5,000 New position
12.97
US$64,863 		5,000 New position 12.97 US$64,863
2023-09-19 2023-09-15
S Sale
10,227 -23.1%
98.33
US$1,005,621 		10,227 -23.1% 98.33 US$1,005,621
2023-09-15 2023-09-15
PrS Proposed sale
10,227
98.33
US$1,005,582 		10,227 98.33 US$1,005,582
2022-05-25 2022-05-23
S Sale
2,800 -6.3%
51.90
US$145,320 		2,800 -6.3% 51.90 US$145,320
2022-05-25 2022-05-23
S Sale
11,377 -20.3%
51.34
US$584,095 		11,377 -20.3% 51.34 US$584,095