ACNB ACNB Corporation
ACNB Corporation (ACNB) 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? 0% planned / 100% discretionary
Largest single sale: $96.5K.
Where they traded
Last open-market purchase: September 15, 2026 , by ELSNER FRANK III .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| ELSNER FRANK III | Director | Buy | 4 | $65.29 | $250 | 29,071 | |
| Seibel Donald Arthur Jr | Director | Sell | 1,500 | $64.35 | $96.5K | 5,312 −22% 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.