Key facts
- This page summarizes Cassandra Santos's Form 4 filing for OMNICOM GROUP INC. (OMC).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 03 Apr 2026, 16:30.
Cassandra Santos - 01 Apr 2026 Form 4 Insider Report for OMNICOM GROUP INC. (OMC)
- Reporting relationship
- Director
- Issuer ticker
- OMC
- Reported as of
- 01 Apr 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 03 Apr 2026, 16:30:22 UTC
- Prior SEC filing
- 05 Jan 2026
- Next SEC filing
- 11 May 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Eric J. Cleary, Attorney in Fact for Cassandra Santos
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Cassandra Santos filed Form 4 for OMNICOM GROUP INC. (OMC) on 03 Apr 2026.
Change
- Previous filing in this sequence was filed on 05 Jan 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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002004987
Primary reporting owner
Santos Cassandra
- Relationship
- Director
- Address
- C/O OMNICOM GROUP INC., 280 PARK AVENUE, NEW YORK
- Signature
- /s/ Eric J. Cleary, Attorney in Fact for Cassandra Santos
- Signature date
- 03 Apr 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
- +681
- Change %
- +13%
- Price
- $0.000000*
- Shares after
- 5,837
- Date
- 01 Apr 2026
- Ownership
- Direct
- Footnotes
- F1, 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
The reporting person elected to defer receipt of these shares under the terms of the Omnicom Group Inc. 2026 Incentive Award Plan.
Footnote F2
Includes dividends on deferred shares that are reinvested in company stock, credited on January 9, 2026.