Daryl Simm - 22 May 2026 Form 4 Insider Report for OMNICOM GROUP INC. (OMC)

Reporting relationship: Co-President and Co-COO
Issuer ticker: OMC
Reported as of: 22 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 27 May 2026, 16:30:55 UTC
Prior SEC filing: 19 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Eric J. Cleary, Attorney in Fact for Daryl Simm

Key filing fact

Daryl Simm filed Form 4 for OMNICOM GROUP INC. (OMC) on 27 May 2026.

Key facts

This page summarizes Daryl Simm's Form 4 filing for OMNICOM GROUP INC. (OMC).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 27 May 2026, 16:30.

Change

Previous filing in this sequence was filed on 19 May 2026.
Current net transaction value: $0.

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 0001303840 Primary reporting owner

Simm Daryl

Relationship: Co-President and Co-COO
Address: C/O OMNICOM GROUP INC., 280 PARK AVENUE, NEW YORK
Signature: /s/ Eric J. Cleary, Attorney in Fact for Daryl Simm
Signature date: 27 May 2026

Reported non-derivative transactions

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

OMC transaction

Common Stock, par value $0.15 per share

Award

Transaction value
Shares: +54,242
Change %: +24%
Price: $0.000000^*
Shares after: 276,971
Date: 22 May 2026
Ownership: Direct
Footnotes: F1

OMC transaction

Common Stock, par value $0.15 per share

Tax liability

Transaction value
Shares: -22,931
Change %: -8.3%
Price: $74.93^*
Shares after: 254,040
Date: 22 May 2026
Ownership: Direct
Footnotes: F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

On May 1, 2023, the reporting person was granted performance restricted stock units ("PRSUs") which vest based on the company's return on equity as compared to that of an industry peer group. The compensation committee of the board of directors of the company determined that the performance criteria had been met, resulting in the vesting of these shares on May 22, 2026.

Footnote F2

Represents shares withheld by the company for payment of tax liability incident to the vesting of PRSUs.