Arthur Seibel Jr net worth and biography

Arthur Jr Biography and Net Worth

Director of ACNB

Mr. Seibel has been a member of both the Corporation’s and ACNB Bank’s Boards of Directors since July 2017. He joined the boards of directors of New Windsor Bancorp, Inc. and New Windsor State Bank in 2001 and served as chairman of these boards until 2017. Most recently, Mr. Seibel retired as Chief Operating Officer for Springdale Preparatory School in New Windsor, Maryland, in February 2020. From 2011 until 2014, he was Managing Director of CIC Switzerland, Ltd., the international sales operation of Cristal Inorganic Chemicals (CIC), located in Zug, Switzerland. He previously served as Chief Financial Officer of CIC, a manufacturing company with operations in five countries and revenues of $2.0 billion, from 2007 to 2011, and began his career as a certified public accountant. Mr. Seibel’s long experience in accounting, auditing, internal controls, and strategic planning, as well as knowledge of public companies and the community banking industry, support his membership on the Corporation’s and ACNB Bank’s Boards of Directors.

What is Arthur Seibel Jr's net worth?: The estimated net worth of Arthur Seibel Jr is at least $279.10 thousand as of December 11th, 2025. Jr owns 5,927 shares of ACNB stock worth more than $279,102 as of March 24th. This net worth evaluation does not reflect any other assets that Jr may own. Learn More about Arthur Seibel Jr's net worth.
How do I contact Arthur Seibel Jr?: The corporate mailing address for Jr and other ACNB executives is 16 LINCOLN SQUARE, GETTYSBURG PA, 17325. ACNB can also be reached via phone at (717) 334-3161 and via email at [email protected]. Learn More on Arthur Seibel Jr's contact information.
Has Arthur Seibel Jr been buying or selling shares of ACNB?: Arthur Seibel Jr has not been actively trading shares of ACNB over the course of the past ninety days. Most recently, Donald Arthur Seibel, Jr. sold 5,000 shares of the business's stock in a transaction on Thursday, December 11th. The shares were sold at an average price of $51.00, for a transaction totalling $255,000.00. Following the completion of the sale, the director now directly owns 5,927 shares of the company's stock, valued at $302,277. Learn More on Arthur Seibel Jr's trading history.
Who are ACNB's active insiders?: ACNB's insider roster includes Frank Elsner III (Director), Brett Fulk (EVP), James Helt (CEO), Arthur Jr (Director), Scott Kelley (Director), James Lott (Director), Daniel Potts (Director), David Sites (Director), Alan Stock (Chairman), and Thomas Stone (EVP). Learn More on ACNB's active insiders.
Are insiders buying or selling shares of ACNB?: During the last year, ACNB insiders bought shares 6 times. They purchased a total of 669 shares worth more than $28,102.48. During the last year, insiders at the bank sold shares 4 times. They sold a total of 10,009 shares worth more than $510,520.43. The most recent insider tranaction occured on March, 13th when Director Frank Elsner III bought 5 shares worth more than $232.10. Insiders at ACNB own 3.5% of the company. Learn More about insider trades at ACNB.
Information on this page was last updated on 3/13/2026.

Arthur Seibel Jr Insider Trading History at ACNB

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
12/11/2025	Sell	5,000	$51.00	$255,000.00	5,927
11/23/2022	Sell	11,903	$38.95	$463,621.85	8,880
2/25/2019	Sell	310	$41.00	$12,710.00	17,396
12/20/2018	Sell	12,700	$38.08	$483,616.00	28,406

Arthur Seibel Jr Buying and Selling Activity at ACNB

ACNB Company Overview

ACNB Corporation, a financial holding company, offers banking, insurance, and financial services to individual, business, and government customers in the United States. The company provides checking, savings, and money market deposit accounts, as well as time deposits and debit cards. It also offers commercial lending products, such as commercial mortgages, real estate development and construction loans, accounts receivable and inventory financing, and agricultural and governmental loans; consumer lending products, including home equity loans and lines of credit, automobile and recreational vehicle loans, manufactured housing loans, and personal lines of credit; and mortgage lending programs include personal residential mortgages, and residential construction and investment mortgage loans. In addition, the company provides other services that are related to testamentary trusts, life insurance trusts, charitable remainder trusts, guardianships, powers of attorney, custodial accounts, and investment management and advisory accounts; and retail brokerage services. Further, it acts as a trustee to invest in, protect, manage, and distribute financial assets. Additionally, the company offers property and casualty, health, life, and disability insurance products to commercial and personal clients; and online, telephone, and mobile banking, as well as automated teller machine services. ACNB Corporation was founded in 1857 and is headquartered in Gettysburg, Pennsylvania.

Today's Range

Now: $47.09

$46.21

$47.53

50 Day Range

MA: $49.77

$45.29

$53.18

2 Week Range

Now: $47.09

$35.70

$53.89

Volume

46,475 shs

Average Volume

40,023 shs

Market Capitalization

$487.57 million

P/E Ratio

13.30

Dividend Yield

3.30%

Beta

0.86