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8-K ·Filed Oct 6, 2026

OMC

OMNICOM GROUP INC.
NEUTRAL
Impact 2/10
Horizonimmediate Processed26d 10h ago SEC0001213900-26-107282
8-K context-dependent: Items 5.02
Actionable Insight • Neutral

Routine CAO succession with immediate replacement and no red flags. No trading implications from this filing alone.

DirectionNeutral
Confidencehigh
Horizonimmediate
Latest settled: T+5d
OMC ▲ +4.73% at T+5d
NEUTRAL call +4.73% · α vs SPY +5.71% · entry $74.87 → $78.41
Next anchor: T+20d tomorrow
Latest observation: T+15 +4.27% FF3 residual α
Entry = T+0 close
Oct 6, 2026
via day close
T+1d
+2.11%
call +2.11% · α +2.53%
$76.45
settled 26d ago
T+5d
+4.73%
call +4.73% · α +5.71%
$78.41
settled 20d ago
T+20d
Pending
tomorrow
T+60d
Pending
in 8w

Price Chart

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Executive Summary

Omnicom Group Inc. reported the retirement of Andrew Castellaneta as Senior Vice President and Chief Accounting Officer after more than 25 years, effective October 1, 2026. The company simultaneously appointed Jordan Farnam as Vice President, Global Financial Reporting and Chief Accounting Officer. The filing explicitly states the retirement was not due to any disagreement with the company, and a replacement was named immediately, making this a routine succession event.

Key Facts

  • Andrew Castellaneta retired as SVP and Chief Accounting Officer after 25+ years at Omnicom, effective October 1, 2026.
  • Retirement is not the result of any disagreement with the company regarding operations, policies, or practices.
  • Castellaneta will remain an employee for a transition period.
  • Jordan Farnam appointed as VP, Global Financial Reporting and Chief Accounting Officer, effective October 1, 2026.
  • Farnam, age 44, joined Omnicom in January 2024 as VP, Global Financial Reporting; prior roles include Corporate Controller at Consumer Edge LLC and Director, Technical Accounting at Spotify USA Inc., plus Assurance Director at PwC.

Financial Impact

No financial impact disclosed.

Investment Themes

Services

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (Primary)0001213900-26-107282
Document: 0001213900-26-107282-index-headers.html0001213900-26-107282
Document: 0001213900-26-107282-index.html0001213900-26-107282
Document: 0001213900-26-107282.txt0001213900-26-107282
8 reports for OMC
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for OMC, sortable and filterable
TypeNow
Oct 27, 2026
5d ago
Institutional Cluster
MIXED ★ 3/10
$77.77awaiting T+5awaiting T+5$81.26 (+4.49%)
Oct 22, 2026
10d ago
8-K
BEARISH ★ 6/10
$82.68 $81.26▲ +1.72%▲ +1.16%$81.26 (+1.72%)
Oct 16, 2026
16d ago
Press Release
NEUTRAL ★ 1/10
$79.44 $79.83▲ +0.49%▲ +0.64%$81.26 (+2.29%)
Oct 9, 2026
23d ago
3
NEUTRAL ★ 2/10
$77.07 $79.44▲ +3.08%▲ +4.57%$81.26 (+5.44%)
Oct 6, 2026
26d ago
8-K
NEUTRAL ★ 2/10
$74.87 $78.41▲ +4.73%▲ +5.71%$81.26 (+8.53%)
Sep 29, 2026
4w ago
GOVT-CONTRACT
NEUTRAL ★ 3/10
$73.63 $74.87▲ +1.68%▼ −0.23%$81.26 (+10.36%)
Apr 28, 2026
26w ago
8-K
BULLISH ★ 6/10
$76.17 $76.85▲ +0.89%▼ −2.22%$81.26 (+6.69%)
Mar 26, 2026
31w ago
DEFA14A
NEUTRAL ★ 3/10
$73.78 $75.95▲ +2.94%▼ −0.92%$81.26 (+10.14%)
Showing 8 of 8

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Report published Oct 6, 2026