ARX Accelerant Holdings
Accelerant Holdings (ARX) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 97% planned / 3% discretionary
Largest single sale: $400.8K.
Where they traded
Last open-market purchase: December 8, 2025 , by Meriwether Karen Sue .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Meriwether Karen Sue | Director | Sell | 542 | $19.62 | $10.6K | 20,868 −2.5% of holding | |
| Hasley Nancy | Director | Sell 10b5-1 | 20,489 | $19.56 | $400.8K | 1,341,834 −1.5% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.