InsiderTrades

Sternberg Matthew David

SEC CIK 2008628 · EDGAR

Buying vs selling by month open-market trades, last 24 months, ARX
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ARXAccelerant HoldingsCOO, Risk Exchange 596.5K $74.7K $257.2K 62025-07-252026-07-27

Most active insiders at ARX, 12 months

#InsiderTitleBoughtSold
1 ONeill Francis JamesCo-Founder, Chief U, W Off $506.9K$11.00M
2 RADKE JEFFREY LCEO, Co-Founder, Dir, 10% $999.0K$8.81M
3 Hasley NancyDir —$859.8K
4 Green Jay MichaelCFO —$638.5K
5 Sternberg Matthew DavidCOO, Risk Exchange $74.7K$257.2K
6 Lee-Smith ChristopherCo-Founder, Head of Distrib, Dir $197.3K—
7 Gaynor SamuelDir $100.8K—
8 Meriwether Karen SueDir $7,951$10.6K
9 Talach David George PaulDir ——
10 Little Paul ChristopherDir ——

Transactions 6

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
T 2026-07-27 21:38 2026-07-23 ARX Accelerant Holdings Sternberg Matthew David COO, Risk Exchange F - Tax $13.77 -3,910 614.0K -0.6% -$53.8K
T 2026-07-27 21:38 2026-07-27 ARX Accelerant Holdings Sternberg Matthew David COO, Risk Exchange S - Sale $14.64 -17.6K 596.5K -3% -$257.2K
2026-05-15 21:50 2026-05-13 ARX Accelerant Holdings Sternberg Matthew David COO, Risk Exchange A - Grant $0.00 +279.3K 618.0K +82% $0
2026-03-20 2026-03-18 ARX Accelerant Holdings Sternberg Matthew David COO, Risk Exchange A - Grant $0.00 +180.7K 338.6K +114% $0
2025-11-19 2025-11-17 ARX Accelerant Holdings Sternberg Matthew David COO, Risk Exchange P - Purchase $13.10 +5,700 158.0K +4% +$74.7K
2025-07-29 2025-07-25 ARX Accelerant Holdings Sternberg Matthew David COO, Risk Exchange A - Grant $0.00 +152.3K 152.3K New $0

Purchase Sale Sale after option exercise All abbreviations