OMNICOM GROUP INC

Ticker: OMC CUSIP: 681919106 Class: COM

Rossby Financial, LCC's Holding History (CIK: 0002056510)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 1,612 Value ($000) $130 Avg Close $75.76 Range $69.18 - $82.39

Q3 2025

Shares 1,263 Value ($000) $98 Avg Close $74.34 Range $69.07 - $82.15

Q2 2025

Shares 1,196 Value ($000) $86 Avg Close $71.94 Range $67.10 - $80.64

Q1 2025

Shares 1,175 Value ($000) $88 Avg Close $80.64 Range $76.47 - $86.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,612	$130	$75.76	$69.18 - $82.39
Q3 2025	1,263	$98	$74.34	$69.07 - $82.15
Q2 2025	1,196	$86	$71.94	$67.10 - $80.64
Q1 2025	1,175	$88	$80.64	$76.47 - $86.12