Company: NWFL
Filing Date: 2025-10-08
Form Type: S-4/A
Source: 0001193125-25-234244
Chunk: 1

Company: NORWOOD FINANCIAL CORP
Filing Date: 2025-10-08
Form: S-4/A
Chunk 1
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 a non-acceleratedfiler, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2of the Exchange Act.

| Large accelerated filer |     | ☐ |     | Accelerated filer         |     | ☒ |
| Non-accelerated filer   |     | ☐ |     | Smaller reporting company |     | ☒ |
|                         |     |   |     | Emerging Growth Company   |     | ☐ |

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐ If applicable, place an X in the box to designate the appropriate rule provision relied upon in conducting this transaction:

| Exchange Act Rule 13e-4(i) (Cross-Border 
 Issuer Tender Offer)                     |     | ☐ |
| Exchange Act Rule 14d-1(d) (Cross-Border 
 Third-Party Tender Offer)                |     | ☐ |

This registration statement shall hereafter become effective in accordance with the provisions of section 8(a) of the Securities Act of 1933.

The information in this proxy statement/prospectus is not complete and may be changed. We may not sell these securities until the registration statement filed with the Securities and Exchange Commission is effective. This proxy statement/prospectus is not an offer to sell these securities nor should it be considered a solicitation of an offer to buy these securities in any jurisdiction in which such offer, solicitation or sale is not permitted.

PRELIMINARY — SUBJECT TO COMPLETION — DATED OCTOBER 8, 2025

PROXY STATEMENT/PROSPECTUS

Dear PB Bankshares Shareholders:

On behalf of
PB Bankshares, Inc., a Maryland corporation (“PB Bankshares”), we are pleased to enclose the accompanying proxy statement/prospectus relating to the acquisition of PB Bankshares by Norwood Financial Corp, a Pennsylvania corporation
(“Norwood” or the “Company”). We are requesting that you take certain actions as a PB Bankshares shareholder.

On
July 7, 2025, Norwood and PB Bankshares entered into an Agreement and Plan of Merger (