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OMNICOM GROUP INC.

OMC · CIK 0000029989

SEC FORM 4
$122,891.05

OMNICOM GROUP INC. (OMC)

Sale of 1,385 shares at $88.73 per share.

Reporting Person RICE LINDA JOHNSON · Transaction Code S

Traded Aug 24, 2026 · Disclosed Aug 26, 2026

Source: SEC Form 4 · 0001213900-26-093998 · filed 2026-08-26 · View filing →

SEC FORM 4
$118,044.36

OMNICOM GROUP INC. (OMC)

Disposition (code F) of 1,348 shares at $87.57 per share.

Reporting Person Castellaneta Andrew · Officer Title SVP, Chief Accounting Officer · Transaction Code F

Traded Aug 15, 2026 · Disclosed Aug 18, 2026

Source: SEC Form 4 · 0001213900-26-091246 · filed 2026-08-18 · View filing →

SEC FORM 4
$114,541.56

OMNICOM GROUP INC. (OMC)

Disposition (code F) of 1,308 shares at $87.57 per share.

Reporting Person Januzzi Louis F · Officer Title Senior VP, Gen. Counsel & Sec. · Transaction Code F

Traded Aug 15, 2026 · Disclosed Aug 18, 2026

Source: SEC Form 4 · 0001213900-26-091248 · filed 2026-08-18 · View filing →

SEC FORM 4
$277,772.04

OMNICOM GROUP INC. (OMC)

Disposition (code F) of 3,172 shares at $87.57 per share.

Reporting Person Simm Daryl · Officer Title Co-President and Co-COO · Transaction Code F

Traded Aug 15, 2026 · Disclosed Aug 18, 2026

Source: SEC Form 4 · 0001213900-26-091250 · filed 2026-08-18 · View filing →

STOCK ACT PTR
$1,001 - $15,000

Omnicom Group Inc (OMC)

Sale.

Filer John Boozman · Chamber Senate · District AR · Owner Joint · Transaction Type Sale · Asset Type Stock

Traded Jan 29, 2026 · Disclosed Feb 15, 2026FILED +17 DAYS

Source: Senate eFD PTR · bd886067-927f-48a8-9d43-8ab6fa713f98 · filed 2026-02-15 · View filing →

STOCK ACT PTR
$1,001 - $15,000

Omnicom Group Inc (OMC)

Sale.

Filer John Boozman · Chamber Senate · District AR · Owner Joint · Transaction Type Sale · Asset Type Stock

Traded Jan 15, 2026 · Disclosed Feb 15, 2026FILED +31 DAYS

Source: Senate eFD PTR · bd886067-927f-48a8-9d43-8ab6fa713f98 · filed 2026-02-15 · View filing →

STOCK ACT PTR
$1,001 - $15,000

Omnicom Group Inc (OMC)

Sale (Full).

Filer John Boozman · Chamber Senate · District AR · Owner Joint · Transaction Type Sale (Full) · Asset Type Stock

Traded Jan 29, 2026 · Disclosed Feb 14, 2026FILED +16 DAYS

Source: Senate eFD PTR · bd886067-927f-48a8-9d43-8ab6fa713f98 · filed 2026-02-14 · View filing →

STOCK ACT PTR
$1,001 - $15,000

Omnicom Group Inc (OMC)

Sale (Partial).

Filer John Boozman · Chamber Senate · District AR · Owner Joint · Transaction Type Sale (Partial) · Asset Type Stock

Traded Jan 15, 2026 · Disclosed Feb 14, 2026FILED +30 DAYS

Source: Senate eFD PTR · bd886067-927f-48a8-9d43-8ab6fa713f98 · filed 2026-02-14 · View filing →

STOCK ACT PTR
$1,001 - $15,000

Omnicom Group Inc (OMC)

Sale.

Filer John Boozman · Chamber Senate · District AR · Owner Joint · Transaction Type Sale · Asset Type Stock

Traded Oct 31, 2025 · Disclosed Nov 15, 2025FILED +15 DAYS

Source: Senate eFD PTR · 6be39035-04e2-432c-8fcb-0b4866041d11 · filed 2025-11-15 · View filing →

STOCK ACT PTR
$1,001 - $15,000

Omnicom Group Inc (OMC)

Sale (Partial).

Filer John Boozman · Chamber Senate · District AR · Owner Joint · Transaction Type Sale (Partial) · Asset Type Stock

Traded Oct 31, 2025 · Disclosed Nov 14, 2025FILED +14 DAYS

Source: Senate eFD PTR · 6be39035-04e2-432c-8fcb-0b4866041d11 · filed 2025-11-14 · View filing →