OMC
Omnicom Group Inc.$76.37+0.41 (+0.53%)Prev Close$76.01·MCap$24.23B·P/E155.20·Vol3.18M·Yield0.04%
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
11
$8.66M
◆
Net Activity
Net Seller
$8.66M
●
Active Insiders
6
last 12 mo
Over the past 12 months, insider activity at Omnicom Group Inc. (OMC) has been exclusively selling, with 0 insider purchases totaling $0.00 and 11 insider sales totaling $8.66M. The most recent insider transaction was by Castellaneta Andrew (SVP, Chief Accounting Officer), who sold $141.2K worth of shares on Aug 19, 2025. Omnicom Group Inc. operates in the Communication Services sector, within the Advertising Agencies industry, with a market cap of $24.23B.
OMC Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Aug 19, 2025 | Castellaneta Andrew | SVP, Chief Accounting Officer | Sell | 1,850 | $76.31 | $141.2K | 0 |
| Aug 19, 2025 | Januzzi Louis F | Senior VP, Gen. Counsel & Sec. | Sell | 733 | $76.31 | $55.9K | 0 |
| Aug 19, 2025 | Simm Daryl | President and COO | Sell | 7,818 | $76.31 | $596.6K | 0 |
| Jun 3, 2025 | RICE LINDA JOHNSON | Director | Sell | 1,639 | $73.65 | $120.7K | 0 |
| May 19, 2025 | ANGELASTRO PHILIP J | Executive Vice President & CFO | Sell | 1,935 | $76.29 | $147.6K | 0 |
| May 19, 2025 | Januzzi Louis F | Senior VP, Gen. Counsel & Sec. | Sell | 1,400 | $76.29 | $106.8K | 0 |
| May 19, 2025 | Simm Daryl | President and COO | Sell | 1,602 | $76.29 | $122.2K | 0 |
| May 19, 2025 | WREN JOHN | Chairman and CEO | Sell | 3,792 | $76.29 | $289.3K | 0 |
| May 7, 2025 | ANGELASTRO PHILIP J | Executive Vice President & CFO | Sell | 27,974 | $77.06 | $2.16M | 0 |
| May 7, 2025 | Simm Daryl | President and COO | Sell | 24,210 | $77.06 | $1.87M | 0 |
| May 7, 2025 | WREN JOHN | Chairman and CEO | Sell | 39,720 | $77.06 | $3.06M | 0 |
| Oct 22, 2024 | Castellaneta Andrew | SVP, Chief Accounting Officer | Sell | 4,000 | $105.29 | $421.2K | 24,064 |
| Aug 28, 2024 | Tarlowe Rochelle M. | Senior VP and Treasurer | Sell | 3,000 | $99.17 | $297.5K | 15,375 |
| Jul 23, 2024 | RICE LINDA JOHNSON | Director | Sell | 488 | $90.88 | $44.3K | 10,356 |
| May 7, 2024 | RICE LINDA JOHNSON | Director | Sell | 453 | $92.68 | $42.0K | 9,830 |
| Mar 14, 2024 | Tarlowe Rochelle M. | Senior VP and Treasurer | Sell | 1,500 | $95.34 | $143.0K | 15,579 |
| Feb 13, 2024 | RICE LINDA JOHNSON | Director | Sell | 507 | $86.66 | $43.9K | 9,753 |
| Nov 17, 2023 | RICE LINDA JOHNSON | Director | Sell | 587 | $78.70 | $46.2K | 9,664 |
| Nov 6, 2023 | Castellaneta Andrew | SVP, Chief Accounting Officer | Sell | 3,300 | $76.57 | $252.7K | 30,214 |
| Aug 21, 2023 | RICE LINDA JOHNSON | Director | Sell | 467 | $80.24 | $37.5K | 9,591 |
| Jun 12, 2023 | Nelson Jonathan B. | CEO, Omnicom Digital | Sell | 25,000 | $94.71 | $2.37M | 121,347 |
| Jun 12, 2023 | Tarlowe Rochelle M. | Senior VP and Treasurer | Sell | 1,800 | $94.12 | $169.4K | 13,496 |
| Apr 28, 2023 | RICE LINDA JOHNSON | Director | Sell | 1,700 | $89.75 | $152.6K | 9,527 |
| Apr 25, 2023 | WREN JOHN | Chairman and CEO | Sell | 100,000 | $93.84 | $9.38M | 328,448 |
| Feb 21, 2023 | Nelson Jonathan B. | CEO, Omnicom Digital | Sell | 25,000 | $93.41 | $2.34M | 128,038 |
| Feb 14, 2023 | Castellaneta Andrew | SVP, Chief Accounting Officer | Sell | 6,000 | $92.80 | $556.8K | 31,121 |
| Nov 3, 2022 | Tarlowe Rochelle M. | Senior VP and Treasurer | Sell | 2,000 | $73.09 | $146.2K | 16,032 |
| Oct 26, 2022 | RICE LINDA JOHNSON | Director | Sell | 1,300 | $70.79 | $92.0K | 10,048 |
| Aug 11, 2022 | OBRIEN MICHAEL J | Exec VP, Gen. Counsel & Sec. | Sell | 18,000 | $70.47 | $1.27M | 131,118 |
| Apr 27, 2022 | RICE LINDA JOHNSON | Director | Sell | 1,900 | $77.88 | $148.0K | 9,784 |
| Feb 17, 2022 | Tarlowe Rochelle M. | Senior VP and Treasurer | Sell | 1,500 | $85.86 | $128.8K | 12,967 |
| Feb 15, 2022 | Castellaneta Andrew | SVP, Chief Accounting Officer | Sell | 5,000 | $85.47 | $427.4K | 32,131 |
| Nov 12, 2021 | RICE LINDA JOHNSON | Sell | 1,817 | $68.89 | $125.2K | 10,402 | |
| Apr 29, 2021 | RICE LINDA JOHNSON | Director | Sell | 1,700 | $80.76 | $137.3K | 11,210 |
| Apr 27, 2021 | WREN JOHN | Chairman and CEO | Sell | 81,062 | $80.68 | $6.54M | 143,518-36% |
OMC Insider Buying Activity
The following table shows recent insider purchases of Omnicom Group Inc. (OMC) stock reported via SEC Form 4 filings.
No insider buying activity found for OMC in the last 12 months.
OMC Insider Selling Activity
The following table shows recent insider sales of Omnicom Group Inc. (OMC) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Aug 19, 2025 | Castellaneta Andrew | SVP, Chief Accounting Officer | Sell | 1,850 | $76.31 | $141.2K | 0 |
| Aug 19, 2025 | Januzzi Louis F | Senior VP, Gen. Counsel & Sec. | Sell | 733 | $76.31 | $55.9K | 0 |
| Aug 19, 2025 | Simm Daryl | President and COO | Sell | 7,818 | $76.31 | $596.6K | 0 |
| Jun 3, 2025 | RICE LINDA JOHNSON | Director | Sell | 1,639 | $73.65 | $120.7K | 0 |
| May 19, 2025 | ANGELASTRO PHILIP J | Executive Vice President & CFO | Sell | 1,935 | $76.29 | $147.6K | 0 |
| May 19, 2025 | Januzzi Louis F | Senior VP, Gen. Counsel & Sec. | Sell | 1,400 | $76.29 | $106.8K | 0 |
| May 19, 2025 | Simm Daryl | President and COO | Sell | 1,602 | $76.29 | $122.2K | 0 |
| May 19, 2025 | WREN JOHN | Chairman and CEO | Sell | 3,792 | $76.29 | $289.3K | 0 |
| May 7, 2025 | ANGELASTRO PHILIP J | Executive Vice President & CFO | Sell | 27,974 | $77.06 | $2.16M | 0 |
| May 7, 2025 | Simm Daryl | President and COO | Sell | 24,210 | $77.06 | $1.87M | 0 |
| May 7, 2025 | WREN JOHN | Chairman and CEO | Sell | 39,720 | $77.06 | $3.06M | 0 |
| Oct 22, 2024 | Castellaneta Andrew | SVP, Chief Accounting Officer | Sell | 4,000 | $105.29 | $421.2K | 24,064 |
| Aug 28, 2024 | Tarlowe Rochelle M. | Senior VP and Treasurer | Sell | 3,000 | $99.17 | $297.5K | 15,375 |
| Jul 23, 2024 | RICE LINDA JOHNSON | Director | Sell | 488 | $90.88 | $44.3K | 10,356 |
| May 7, 2024 | RICE LINDA JOHNSON | Director | Sell | 453 | $92.68 | $42.0K | 9,830 |
| Mar 14, 2024 | Tarlowe Rochelle M. | Senior VP and Treasurer | Sell | 1,500 | $95.34 | $143.0K | 15,579 |
| Feb 13, 2024 | RICE LINDA JOHNSON | Director | Sell | 507 | $86.66 | $43.9K | 9,753 |
| Nov 17, 2023 | RICE LINDA JOHNSON | Director | Sell | 587 | $78.70 | $46.2K | 9,664 |
| Nov 6, 2023 | Castellaneta Andrew | SVP, Chief Accounting Officer | Sell | 3,300 | $76.57 | $252.7K | 30,214 |
| Aug 21, 2023 | RICE LINDA JOHNSON | Director | Sell | 467 | $80.24 | $37.5K | 9,591 |
| Jun 12, 2023 | Nelson Jonathan B. | CEO, Omnicom Digital | Sell | 25,000 | $94.71 | $2.37M | 121,347 |
| Jun 12, 2023 | Tarlowe Rochelle M. | Senior VP and Treasurer | Sell | 1,800 | $94.12 | $169.4K | 13,496 |
| Apr 28, 2023 | RICE LINDA JOHNSON | Director | Sell | 1,700 | $89.75 | $152.6K | 9,527 |
| Apr 25, 2023 | WREN JOHN | Chairman and CEO | Sell | 100,000 | $93.84 | $9.38M | 328,448 |
| Feb 21, 2023 | Nelson Jonathan B. | CEO, Omnicom Digital | Sell | 25,000 | $93.41 | $2.34M | 128,038 |
| Feb 14, 2023 | Castellaneta Andrew | SVP, Chief Accounting Officer | Sell | 6,000 | $92.80 | $556.8K | 31,121 |
| Nov 3, 2022 | Tarlowe Rochelle M. | Senior VP and Treasurer | Sell | 2,000 | $73.09 | $146.2K | 16,032 |
| Oct 26, 2022 | RICE LINDA JOHNSON | Director | Sell | 1,300 | $70.79 | $92.0K | 10,048 |
| Aug 11, 2022 | OBRIEN MICHAEL J | Exec VP, Gen. Counsel & Sec. | Sell | 18,000 | $70.47 | $1.27M | 131,118 |
| Apr 27, 2022 | RICE LINDA JOHNSON | Director | Sell | 1,900 | $77.88 | $148.0K | 9,784 |
| Feb 17, 2022 | Tarlowe Rochelle M. | Senior VP and Treasurer | Sell | 1,500 | $85.86 | $128.8K | 12,967 |
| Feb 15, 2022 | Castellaneta Andrew | SVP, Chief Accounting Officer | Sell | 5,000 | $85.47 | $427.4K | 32,131 |
| Nov 12, 2021 | RICE LINDA JOHNSON | Sell | 1,817 | $68.89 | $125.2K | 10,402 | |
| Apr 29, 2021 | RICE LINDA JOHNSON | Director | Sell | 1,700 | $80.76 | $137.3K | 11,210 |
| Apr 27, 2021 | WREN JOHN | Chairman and CEO | Sell | 81,062 | $80.68 | $6.54M | 143,518-36% |
OMC Insiders
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