undamentalytics Newsletter

James River Group Holdings, Inc. insider trading

Every open-market purchase and sale by James River Group Holdings, Inc.'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

No open-market insider trades reported in the last five years.

Does following James River Group Holdings, Inc.’s insiders pay?

From December 19, 2014 to June 4, 2025, 25 insiders reported 24 open-market purchases and 38 sales not made under a pre-set plan in James River Group Holdings, Inc. Twelve months after each purchase was reported, the shares were −9.5% against the S&P 500 on average (median +9.2%), over 24 purchases with a full year of prices; 58% beat the index. After sales, the shares moved +1.1% against the index over 12 months (a negative figure means selling was the right call). Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on June 5, 2015 into $5,286 by November 2, 2026, −5.5% a year. It held shares 57% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $20,266 (+6.4% a year), and held throughout $43,573 (+13.8%).

$0$20.0k$40.0k 201520172019202120232025 $43.6k$20.3k$5.3k
Copying James River Group Holdings, Inc.'s insidersS&P 500, same days investedS&P 500, held throughout $10,000 copying every open-market purchase by James River Group Holdings, Inc.'s insiders from June 5, 2015, before costs and taxes, marked weekly. Uninvested money earns the Treasury bill rate; the portfolio held shares 57% of the time.
James River Group Holdings, Inc.: each insider's record
InsiderRolePurchases12 months after their purchasesBeat the S&P 500Sales12 months after their salesLatest report
Martin Bryan Director 0 — — 8 +10.8% (8) May 17, 2018
Zwillinger David Director 0 — — 8 +10.8% (8) May 17, 2018
Abram J Adam Chief Executive Officer 5 +7.8% (5) 60% 1 −8.0% (1) March 4, 2022
Cowell Janet Raye Director 3 +19.4% (3) 100% 1 −53.9% (1) March 10, 2022
Hartman Steven J Pres. & CEO-Sp Adm Ins Sgmt 0 — — 4 −3.5% (4) March 14, 2018
Brown Thomas Lynn Director 3 −24.2% (3) 33% 0 — November 8, 2022
D. E. Shaw Cf-Sp Franklin, L.L.C. Director 0 — — 3 +14.0% (3) November 15, 2017
Doran Sarah C. Chief Financial Officer 2 −14.7% (2) 50% 1 −71.2% (1) March 7, 2022
Shaw David E Director 0 — — 3 +11.7% (3) June 7, 2017
D'orazio Frank Chief Executive Officer 2 −13.7% (2) 50% 0 — May 16, 2025
Gould Kirstin Director 2 −32.6% (2) 50% 0 — November 7, 2022
Myron Robert Patrick President & COO 0 — — 2 −40.0% (2) August 5, 2020
Oakes Michael T Director 0 — — 2 +16.2% (2) May 16, 2018
Crow Michael E Principal Accounting Officer 0 — — 1 −5.6% (1) March 5, 2019
D. E. Shaw Ch-Sp Franklin, L.L.C. Director 0 — — 1 +17.2% (1) May 17, 2018
D. E. Shaw Oculus Portfolios, L.L.C. Director 0 — — 1 −7.7% (1) November 29, 2017
Gs Investment Strategies, LLC 10% owner 0 — — 1 +55.5% (1) December 19, 2014
Heinlein Daniel Pres & CEO-Casualty Rein Sgmt 0 — — 1 −71.1% (1) November 19, 2020
Lasala Christine Director 1 −53.0% (1) 0% 0 — May 20, 2025
Migliorato Peter B. Director 1 −57.7% (1) 0% 0 — May 21, 2025
Roberts Patricia H Director 1 +8.0% (1) 100% 0 — March 11, 2022
Schmitzer Richard Pres. & CEO - E&S Lines Sgmt 1 +9.4% (1) 100% 0 — March 7, 2022
Sherman Ollie L. JR. Director 1 +8.9% (1) 100% 0 — March 14, 2022
Srinivasan Sundar Director 1 +11.4% (1) 100% 0 — March 4, 2022
Sutherland Todd Randell President, E&S Lines Segment 1 −57.7% (1) 0% 0 — June 4, 2025

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

When several insiders traded James River Group Holdings, Inc.

Months when 2 or more insiders became net buyers, or 3 or more net sellers, of James River Group Holdings, Inc. in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After the 5 buying crowds with six months of prices, it averaged −4.5% against the index. After 5 selling crowds, −3.1%. One company's history is too short to judge by; the test across every company is the better guide.

MonthCrowd3 months on, vs S&P 5006 months12 months
May 30, 20253 buying−13.0%−15.0%−61.0%
November 30, 20222 buying+2.3%−22.2%−75.6%
March 31, 202210 buying+16.8%+12.8%−9.5%
May 29, 20202 buying+13.1%+3.2%−47.5%
November 29, 20192 buying+10.1%−1.3%+1.3%
May 31, 20185 selling−0.2%−1.9%+17.9%
November 30, 20175 selling−18.8%−6.8%−7.7%
June 30, 20173 selling+0.8%−7.9%−10.5%
December 30, 20164 selling−3.6%−12.5%−23.3%
December 31, 20144 selling+4.6%+13.4%+54.7%

Colours show whether the crowd was right: green when buyers were followed by a rise above the index, or sellers by a fall below it. Total returns from the month end; past patterns are not a forecast.

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