QUODD

Insider Transactions last 24 months for Omnicom Group Inc. - NYSE: OMC

Transactions
All	Buy	Sell	Option Exercise

Filer's Name	Relationship/ Title	Trans. Date	Trans. Type	Ownership Type	Security Type	Shares	Price	Trans. Value	Total Shares Owned
Simm Daryl	Co-President and Co-COO	03/25/2026	AA	Direct	COM	59,415	$0.00	$0.00	226,698
Angelastro Philip J	Executive Vice President & CFO	03/25/2026	AA	Direct	COM	52,810	$0.00	$0.00	522,976
Rice Linda Johnson	Director	03/02/2026	DS	Direct	COM	1,348	$85.25	$114,910.26	11,501
Choksi Mary C	Director	01/01/2026	AA	Direct	COM	635	$0.00	$0.00	45,598
Coleman Leonard S Jr	Director	01/01/2026	AA	Direct	COM	635	$0.00	$0.00	48,289
Gerstein Mark D	Director	01/01/2026	AA	Direct	COM	279	$0.00	$0.00	14,055
Gerstein Mark D	Director	01/01/2026	AA	Direct	COM	635	$0.00	$0.00	13,777
Hawkins Ronnie S.	Director	01/01/2026	AA	Direct	COM	635	$0.00	$0.00	20,328
Kissire Deborah J.	Director	01/01/2026	AA	Direct	COM	635	$0.00	$0.00	25,803
Martore Gracia C	Director	01/01/2026	AA	Direct	COM	635	$0.00	$0.00	26,532
Moore Patrick Q	Director	01/01/2026	AA	Direct	COM	635	$0.00	$0.00	22,904
Pineda Patricia Salas	Director	01/01/2026	AA	Direct	COM	635	$0.00	$0.00	9,770
Rice Linda Johnson	Director	01/01/2026	AA	Direct	COM	635	$0.00	$0.00	12,849
Santos Cassandra	Director	01/01/2026	AA	Direct	COM	635	$0.00	$0.00	5,130
Williams Valerie	Director	01/01/2026	AA	Direct	COM	635	$0.00	$0.00	24,487
Wyatt E Lee	Director	01/01/2026	AA	Direct	COM	635	$0.00	$0.00	22,904
Moore Patrick Q	Director	11/26/2025	AA	Direct	COM	22,269	$0.00	$0.00	22,269
Wyatt E Lee	Director	11/26/2025	AA	Direct	COM	22,269	$0.00	$0.00	22,269
Krakowsky Philippe	Co-President and Co-COO	11/26/2025	AA	Direct	COM	104,299	$0.00	$0.00	104,299
Choksi Mary C	Director	10/01/2025	AA	Direct	COM	629	$0.00	$0.00	44,562
Coleman Leonard S Jr	Director	10/01/2025	AA	Direct	COM	629	$0.00	$0.00	47,376
Gerstein Mark D	Director	10/01/2025	AA	Direct	COM	276	$0.00	$0.00	13,031
Gerstein Mark D	Director	10/01/2025	AA	Direct	COM	629	$0.00	$0.00	12,755
Hawkins Ronnie S.	Director	10/01/2025	AA	Direct	COM	629	$0.00	$0.00	19,587
Kissire Deborah J.	Director	10/01/2025	AA	Direct	COM	629	$0.00	$0.00	24,945

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Transaction Type Key First letter: A = Acquired, D = Disposed Second letter: A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security \| D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) \| E = Expiration of short derivative position \| F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. \| G = Gift \| H = Expiration (or cancellation) of long derivative position with value received \| I = Discretionary transaction in accordance with Rule 16b-3(f) \| J = Other \| L = Small acquisition under Rule 16a-6 \| M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 \| O = Exercise of out-of-the-money derivative security \| P = Open market or private purchase \| S = Open market or private sale \| U = Disposition pursuant to a tender of shares in a change of control transaction \| W = Acquisition or disposition by will or the laws of descent and distribution \| X = Exercise of in-the-money or at-the-money derivative security \| Z = Deposit into or withdrawal from voting trust		Send to Excel

Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust

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Filer's Name	Relationship/ Title	Trans. Date	Trans. Type	Ownership Type	Security Type	Shares	Price	Trans. Value	Total Shares Owned
Rice Linda Johnson	Director	03/02/2026	DS	Direct	COM	1,348	$85.25	$114,910.26	11,501
Simm Daryl	President and COO	08/15/2025	DF	Direct	COM	7,818	$76.31	$596,591.58	167,283
Januzzi Louis F	Senior VP, Gen. Counsel & Sec.	08/15/2025	DF	Direct	COM	733	$76.31	$55,935.23	34,995
Castellaneta Andrew	SVP, Chief Accounting Officer	08/15/2025	DF	Direct	COM	1,850	$76.31	$141,173.50	21,875
Rice Linda Johnson	Director	05/30/2025	DS	Direct	COM	1,639	$73.65	$120,712.35	10,586
Angelastro Philip J	Executive Vice President & CFO	05/15/2025	DF	Direct	COM	1,935	$76.29	$147,621.15	470,166
Januzzi Louis F	Senior VP, Gen. Counsel & Sec.	05/15/2025	DF	Direct	COM	1,400	$76.29	$106,806.00	28,958
Simm Daryl	President and COO	05/15/2025	DF	Direct	COM	1,602	$76.29	$122,216.58	175,101
Wren John	Chairman and CEO	05/15/2025	DF	Direct	COM	3,792	$76.29	$289,291.68	220,227
Angelastro Philip J	Executive Vice President & CFO	05/05/2025	DF	Direct	COM	27,974	$77.06	$2,155,676.44	472,101
Simm Daryl	President and COO	05/05/2025	DF	Direct	COM	24,210	$77.06	$1,865,622.60	176,703
Wren John	Chairman and CEO	05/05/2025	DF	Direct	COM	39,720	$77.06	$3,060,823.20	227,303
Castellaneta Andrew	SVP, Chief Accounting Officer	10/18/2024	DS	Direct	COM	519	$105.20	$54,597.76	23,545
Castellaneta Andrew	SVP, Chief Accounting Officer	10/18/2024	DS	Direct	COM	3,481	$105.30	$366,556.26	24,064
Tarlowe Rochelle M.	Senior VP and Treasurer	08/26/2024	DS	Direct	COM	3,000	$99.17	$297,510.00	15,375
Castellaneta Andrew	SVP, Chief Accounting Officer	08/15/2024	DF	Direct	COM	2,670	$96.20	$256,854.00	27,499
Januzzi Louis F	Senior VP, Gen. Counsel & Sec.	08/15/2024	DF	Direct	COM	906	$96.20	$87,157.20	24,138
Simm Daryl	President and COO	08/15/2024	DF	Direct	COM	10,095	$96.20	$971,139.00	111,066
Tarlowe Rochelle M.	Senior VP and Treasurer	08/15/2024	DF	Direct	COM	1,298	$96.20	$124,867.60	18,375
Januzzi Louis F	Senior VP, Gen. Counsel & Sec.	05/15/2024	DF	Direct	COM	392	$97.66	$38,282.72	25,044
Tarlowe Rochelle M.	Senior VP and Treasurer	05/15/2024	DF	Direct	COM	736	$97.66	$71,877.76	19,673
Angelastro Philip J	Executive Vice President & CFO	05/06/2024	DF	Direct	COM	29,653	$93.19	$2,763,363.07	416,594
Wren John	Chairman and CEO	05/06/2024	DF	Direct	COM	45,584	$93.19	$4,247,972.96	695,881
Rice Linda Johnson	Director	05/03/2024	DS	Direct	COM	453	$92.68	$41,984.04	9,830