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OMC Omnicom Group Inc.
Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.
-$123K net selling - trailing 90 days
0 buyers - 1 unique sellers
Historical context: No open-market activity in Sep 2026 — insiders sold in 4 of the last 24 months
7 accumulating - 5 trimming - 1 unchanged
13 comparable institutions - Q2 2026
open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.
Who is responsible
| Insider | Role | Net activity | Rows |
|---|---|---|---|
| RICE LINDA JOHNSON | — | -~$0.1M | 1 |
Transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| August 24, 2026 | RICE LINDA JOHNSON | — | S | -1385 | 88.73 | ~$0.1M |
| March 2, 2026 | RICE LINDA JOHNSON | — | S | -1348 | 85.245 | ~$0.1M |
| May 30, 2025 | RICE LINDA JOHNSON | — | S | -1639 | 73.65 | ~$0.1M |
| October 18, 2024 | Castellaneta Andrew | SVP, Chief Accounting Officer | 2 reported sale rows | 4000 | — | ~$0.4M |
| October 18, 2024 | Castellaneta Andrew | SVP, Chief Accounting Officer | S | -3481 | 105.302 | ~$0.4M |
| October 18, 2024 | Castellaneta Andrew | SVP, Chief Accounting Officer | S | -519 | 105.198 | ~$55K |