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Company · ACNB

ACNB Corporation

Name as listed on its exchange; filed with the SEC as ACNB CORP.

Nasdaq's symbol directory lists ACNB on Nasdaq as “ACNB Corporation - Common Stock”.

In the 12 months to Nov 8, 2026: insiders bought on 1 occasion ($196); insiders sold on 1 occasion ($97K); 3 company reports (Form 8-K, since May 26, 2026).

All insider filings at the SEC

Insider purchases and sales, by month (last 12 months)Insider purchases: $196 in total; Insider sales: $97K in total.Aug: Insider sales $97KSep: Insider purchases $196DecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $196Insider sales below: $97K
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.

Insider trades · SEC Form 4

Those inside the hall

Open-market purchases and sales only. Legs one person filed for one day are combined.

Who traded

  1. Seibel Donald Arthur Jr sold on 1 day latest Aug 7, 2026 sold $97K
  2. Frank Elsner III bought on 1 day latest Sep 15, 2026 bought $196
Every trade (2)
  1. BUYFrank Elsner III bought Sep 15, 2026 3 shares filing $196
  2. SELLSeibel Donald Arthur Jr sold Aug 7, 2026 1,500 shares filing $97K

Company reports · SEC Form 8-K

In its own words

Current reports the company filed with the SEC; most items are due within four business days of the event. Each line lists the report's items by the SEC's own titles; the filing says what happened. Reports collected since May 26, 2026; every 8-K at the SEC.

  1. Other events filing Oct 28, 2026
  2. Results of operations and financial condition filing Oct 22, 2026
  3. Other events filing Sep 25, 2026

Sources: SEC EDGAR (Forms 4, 144 and 8-K) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.