# EDGAR Filing Document

**Accession Number:** 0001471265
**File Stem:** 0001471265-26-000011
**Filing Date:** 2026-4
**Character Count:** 3085
**Document Hash:** 7fcd170c5f23d2e07c6e43d813ceebe1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001471265-26-000011.hdr.sgml**: 20260413

**ACCESSION NUMBER**: 0001471265-26-000011

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260413

**DATE AS OF CHANGE**: 20260413

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Northwest Bancshares, Inc.
- **CENTRAL INDEX KEY:** 0001471265
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATIONAL COMMERCIAL BANKS [6021]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-34582
- **FILM NUMBER:** 26858181

**BUSINESS ADDRESS:**
- **STREET 1:** 100 LIBERTY STREET
- **CITY:** WARREN
- **STATE:** PA
- **ZIP:** 16365
- **BUSINESS PHONE:** (814) 726-2140

**MAIL ADDRESS:**
- **STREET 1:** 100 LIBERTY STREET
- **CITY:** WARREN
- **STATE:** PA
- **ZIP:** 16365

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**SCHEDULE 14A** 

**Proxy Statement Pursuant to Section 14(a) of the** 

**Securities Exchange Act of 1934** 

**(Amendment No.)** 

Filed by the Registrant☑

Filed by a Party other than the Registrant☐

Check the appropriate box:

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| | |
|:---|:---|
| ☐ | Preliminary Proxy Statement |
| ☐ | **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))** |
| ☐ | Definitive Proxy Statement |
| ☑ | Definitive Additional Materials |
| ☐ | Soliciting Material Pursuant to §240.14a-12 |

---

**NORTHWEST BANCSHARES, INC.** 

**(Name of Registrant as Specified In Its Charter)** 

**(Name of Person(s) Filing Proxy Statement, if other than the Registrant)** 

Payment of Filing Fee (Check all boxes that apply):

---

| | |
|:---|:---|
| ☑ | No fee required |
| ☐ | Fee paid previously with preliminary materials |
| ☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |

---

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**NORTHWEST BANCSHARES, INC.**

3 Easton Oval, Suite 500

Columbus, Ohio 43219

(800) 859-1000

**PROXY STATEMENT SUPPLEMENT FOR THE**

**2026 ANNUAL MEETING OF SHAREHOLDERS**

**TO BE HELD ON MAY 20, 2026**

The following information relates to certain proxy materials of Northwest Bancshares, Inc. (the "Company") furnished to shareholders of the Company in connection with the solicitation of proxies by the Board of Directors of the Company for the 2026 Annual Meeting of Shareholders and any adjournment or postponement thereof. This information (the "Supplement") should be read in conjunction with the Company's Proxy Statement filed with the Securities and Exchange Commission on April 9, 2026.

The Company is furnishing this Supplement to clarify that the virtual Annual Meeting of Shareholders will take place at 10:00 a.m. on May 20, 2026. This Supplement corrects the meeting time referenced in the notice of availability of proxy materials, the proxy card and any other disclosures of a meeting time other than indicated here in this Supplement.

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