John R. Ciulla - 18 May 2026 Form 4 Insider Report for WEBSTER FINANCIAL CORP (WBS)

Reporting relationship: Chairman and CEO, Director
Issuer ticker: WBS
Reported as of: 18 May 2026
Net transaction value: -$573,376
SEC form: 4
Accepted by SEC: 20 May 2026, 16:10:04 UTC
Prior SEC filing: 13 Mar 2026
Source filing: View source filing
Reporting owner signature: Bradley Larkin, attorney-in-fact

Key filing fact

John R. Ciulla filed Form 4 for WEBSTER FINANCIAL CORP (WBS) on 20 May 2026.

Key facts

This page summarizes John R. Ciulla's Form 4 filing for WEBSTER FINANCIAL CORP (WBS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 20 May 2026, 16:10.

Change

Previous filing in this sequence was filed on 13 Mar 2026.
Current net transaction value: -$573,376.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001594609 Primary reporting owner

CIULLA JOHN R

Relationship: Chairman and CEO, Director
Address: C/O WEBSTER FINANCIAL CORP, 200 ELM STREET, STAMFORD
Signature: Bradley Larkin, attorney-in-fact
Signature date: 20 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WBS transaction

Common Stock

Sale

Transaction value: $573,376
Shares: -8,000
Change %: -2.7%
Price: $71.67
Shares after: 289,838
Date: 18 May 2026
Ownership: Direct
Footnotes: F1, F2

WBS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 17,187
Date: 18 May 2026
Ownership: 401(k)Plan

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The reported sale of 8,000 shares occurred pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 30, 2025.

Footnote F2

The price reported in Column 4 is an average price. The reporting person undertakes to provide Webster Financial Corporation, any security holder of Webster Financial Corporation, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares of common stock sold at each price.