OMNICOM GROUP INC. Insider Trading Activity
Every SEC Form 4 insider transaction reported for OMNICOM GROUP INC. (OMC), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are OMC insiders buying or selling?
In the last 12 months, OMNICOM GROUP INC. insiders reported 0 open-market purchases ($0) and 2 sales ($237.8K) — net selling of $237.8K. Since February 2018, Trabud has recorded 49 Form 4 filings for OMC: 0 buys ($0) and 49 sells ($33.4M).
Source: SEC EDGAR Form 4
Key Statistics (February 2018 – Aug 26, 2026)
Total Form 4 filings
49
SEC EDGAR
Insider filers
8
Insider buys (0)
$0
Insider sells (49)
$33.4M
Insider sentiment
Net sellingNet insider flow of $33.4M in net selling since February 2018, and $237.8K in net selling over the last 12 months.
Recent OMC insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Aug 26, 2026 | Linda Johnson Rice | Director | Sale | 1.4K | $88.73 | $122.9K | SEC ↗ |
| Mar 4, 2026 | Linda Johnson Rice | Director | Sale | 1.3K | $85.25 | $114.9K | SEC ↗ |
| Jun 3, 2025 | Linda Johnson Rice | Director | Sale | 1.6K | $73.65 | $120.7K | SEC ↗ |
| Oct 22, 2024 | Andrew Castellaneta | SVP, Chief Accounting Officer | Sale | 4.0K | $105.29 | $421.2K | SEC ↗ |
| Aug 28, 2024 | Rochelle M. Tarlowe | Senior VP and Treasurer | Sale | 3.0K | $99.17 | $297.5K | SEC ↗ |
| Jul 23, 2024 | Linda Johnson Rice | Director | Sale | 488 | $90.88 | $44.3K | SEC ↗ |
| May 7, 2024 | Linda Johnson Rice | Director | Sale | 453 | $92.68 | $42.0K | SEC ↗ |
| Mar 14, 2024 | Rochelle M. Tarlowe | Senior VP and Treasurer | Sale | 1.5K | $95.34 | $143.0K | SEC ↗ |
| Feb 13, 2024 | Linda Johnson Rice | Director | Sale | 507 | $86.66 | $43.9K | SEC ↗ |
| Nov 17, 2023 | Linda Johnson Rice | Director | Sale | 587 | $78.71 | $46.2K | SEC ↗ |
| Nov 6, 2023 | Andrew Castellaneta | SVP, Chief Accounting Officer | Sale | 3.3K | $76.57 | $252.7K | SEC ↗ |
| Aug 21, 2023 | Linda Johnson Rice | Director | Sale | 467 | $80.24 | $37.5K | SEC ↗ |
| Jun 12, 2023 | Jonathan B. Nelson | CEO, Omnicom Digital | Sale | 25.0K | $94.71 | $2.4M | SEC ↗ |
| Jun 12, 2023 | Rochelle M. Tarlowe | Senior VP and Treasurer | Sale | 1.8K | $94.12 | $169.4K | SEC ↗ |
| Apr 28, 2023 | Linda Johnson Rice | Director | Sale | 1.7K | $89.75 | $152.6K | SEC ↗ |
| Apr 25, 2023 | John Wren | Chairman and CEO | Sale | 100.0K | $93.84 | $9.4M | SEC ↗ |
| Feb 21, 2023 | Jonathan B. Nelson | CEO, Omnicom Digital | Sale | 25.0K | $93.41 | $2.3M | SEC ↗ |
| Feb 14, 2023 | Andrew Castellaneta | SVP, Chief Accounting Officer | Sale | 6.0K | $92.80 | $556.8K | SEC ↗ |
| Nov 3, 2022 | Rochelle M. Tarlowe | Senior VP and Treasurer | Sale | 2.0K | $73.09 | $146.2K | SEC ↗ |
| Oct 26, 2022 | Linda Johnson Rice | Director | Sale | 1.3K | $70.79 | $92.0K | SEC ↗ |
| Aug 11, 2022 | Michael J Obrien | Exec VP, Gen. Counsel & Sec. | Sale | 18.0K | $70.47 | $1.3M | SEC ↗ |
| Apr 27, 2022 | Linda Johnson Rice | Director | Sale | 1.9K | $77.88 | $148.0K | SEC ↗ |
| Feb 17, 2022 | Rochelle M. Tarlowe | Senior VP and Treasurer | Sale | 1.5K | $85.86 | $128.8K | SEC ↗ |
| Feb 15, 2022 | Andrew Castellaneta | SVP, Chief Accounting Officer | Sale | 5.0K | $85.47 | $427.4K | SEC ↗ |
| Nov 12, 2021 | Linda Johnson Rice | Director | Sale | 1.8K | $68.89 | $125.2K | SEC ↗ |
Showing the 25 most recent of 49 Form 4 filings for OMNICOM GROUP INC..
Most active OMC insiders
- Linda Johnson Rice22 filings
- Andrew Castellaneta7 filings
- Dennis E. Hewitt6 filings
- Rochelle M. Tarlowe5 filings
- Jonathan B. Nelson4 filings
Ask anything about OMC insider activity
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Open the AI agentOMC insider trading FAQ
Are OMNICOM GROUP INC. insiders buying or selling?
In the last 12 months, OMNICOM GROUP INC. insiders reported 0 open-market purchases ($0) and 2 sales ($237.8K) — net selling of $237.8K. Since February 2018, Trabud has recorded 49 Form 4 filings for OMC: 0 buys ($0) and 49 sells ($33.4M). Over the full record that is net selling of $33.4M.
How many insiders trade OMC stock?
8 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for OMNICOM GROUP INC.. The most recent filing was accepted on Aug 26, 2026.
Where does Trabud get OMC insider trading data?
All OMC insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.