ACNB Corporation
Ownership
Ownership Structure
Who owns ACNB Corporation (ACNB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 96.0% of the shares are freely tradable; institutional investors hold 41.1%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 6.12 | 622,577 | +2.3 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.21 | 427,657 | +0.0 | 03/31/2026 |
| FMR Inc | 3.58 | 363,662 | -38.9 | 03/31/2026 |
| Private Capital Management, LLC | 3.55 | 361,337 | +0.4 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 3.48 | 353,663 | +5.6 | 06/30/2026 |
| American Century Companies Inc | 2.59 | 263,329 | +43.4 | 06/30/2026 |
| Geode Capital Management, LLC | 2.42 | 246,376 | +2.2 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.00 | 305,396 | +0.0 | 07/31/2026 |
| iShares Russell 2000 ETF | 2.68 | 272,925 | -0.6 | 08/31/2026 |
| Avantis US Small Cap Value ETF | 2.49 | 252,993 | +0.2 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Stock Alan J | Director | 88,639 | 5,726,049 $ | Sep 15, 2026 | direct |
| Polli John M. | Director | 36,344 | 2,347,819 $ | Sep 15, 2026 | direct |
| Elsner Frank Iii | Director | 29,071 | 1,877,993 $ | Sep 15, 2026 | direct |
| Lott James J | Director | 19,396 | 1,252,979 $ | Sep 15, 2026 | direct |
| Draganosky Eugene J. | Director | 13,674 | 883,356 $ | Sep 15, 2026 | direct |
| Carson Elizabeth F. | Director | 13,309 | 859,783 $ | Sep 15, 2026 | direct |
| Newell Donna M | Director | 12,909 | 833,943 $ | Sep 15, 2026 | direct |
| Herring Todd L | Director | 11,327 | 731,701 $ | Sep 15, 2026 | direct |
| Seibel Donald Arthur Jr | Director | 5,525 | 356,889 $ | Sep 15, 2026 | direct |
| Chaney Kimberly S | Director | 4,236 | 273,670 $ | Sep 15, 2026 | direct |
| Chiaruttini Alexandra C | Director | 3,452 | 223,005 $ | Sep 15, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | Newell Donna M | Director | Other | 211 | 65.29 | 13,776 |
| Sep 15, 2026 | Carson Elizabeth F. | Director | Other | 158 | 65.29 | 10,316 |
| Sep 15, 2026 | Chiaruttini Alexandra C | Director | Other | 211 | 65.29 | 13,776 |
| Sep 15, 2026 | Stock Alan J | Director | Other | 211 | 65.29 | 13,776 |
| Sep 15, 2026 | Elsner Frank Iii | Director | Buy | 4 | 65.29 | 261 |
| Sep 15, 2026 | Elsner Frank Iii | Director | Other | 158 | 65.29 | 10,316 |
| Sep 15, 2026 | Lott James J | Director | Other | 158 | 65.29 | 10,316 |
| Sep 15, 2026 | Herring Todd L | Director | Other | 211 | 65.29 | 13,776 |
| Sep 15, 2026 | Seibel Donald Arthur Jr | Director | Other | 211 | 65.29 | 13,776 |
| Sep 15, 2026 | Chaney Kimberly S | Director | Other | 158 | 65.29 | 10,316 |
| Sep 15, 2026 | Polli John M. | Director | Other | 211 | 65.29 | 13,776 |
| Sep 15, 2026 | Draganosky Eugene J. | Director | Other | 158 | 65.29 | 10,316 |
| Aug 7, 2026 | Seibel Donald Arthur Jr | Director | Sell | 1,500 | 64.35 | 96,525 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.