Insider Transactions Reported by 36 Insiders of Under Armour, Inc.

Symbol: UAA, UA on NYSE
Location: Baltimore, MD

Key facts

UAA - Under Armour, Inc. has 36 insiders with reported activity on this page.
Net insider value flow over the last year: +$232,107,133.
Recent transaction rows are available for direct filing-level review.

Change

Buy value: $232,207,216; sell value: $100,083.
Net share flow: +45,090,601.

Research use

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to buying over the last 12 months. Net value: +$232,107,133.

Buys

$232,207,216

Shares: 45,106,888

Insiders: 6

Sells

$100,084

Shares: 16,287

Insiders: 1

Net

+$232,107,133

Shares: +45,090,601

Insiders: 5

Window (months)	Buy shares	Sell shares	Buy $	Sell $	Net $
0-3	2,356,688	0	$11,738,158	$0	+$11,738,158
3-6	42,448,155	0	$218,957,898	$0	+$218,957,898
6-9	0	0	$0	$0	$0
9-12	302,045	16,287	$1,511,160	$100,084	+$1,411,076

Under Armour, Inc. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Watsa V Prem Et al	10%+ Owner	$357,273,074	+$224,826,977	+170%	Filing P/S	12 May 2026
FAIRFAX FINANCIAL HOLDINGS LTD/ CAN	10%+ Owner	$220,896,080	+$5,869,079	+2.7%	Filing P/S	12 May 2026
Kevin A. Plank	President and CEO, Director, 10%+ Owner	$122,631,265			Median	15 May 2026
Stephanie C. Linnartz	President & CEO, Director	$10,047,987			Mixed	27 Feb 2024
Patrik Frisk	CEO & President	$9,936,765			Mixed	18 Feb 2022
Colin Browne	Chief Operating Officer	$3,842,719			Mixed	15 May 2023
David Bergman	Chief Financial Officer	$3,836,249			Mixed	03 Jun 2025
Kara Trent	Chief Merchandising Officer	$3,657,253			Median	14 May 2026
Shawn Curran	Chief Supply Chain Officer	$3,218,302			Median	14 May 2026
Yassine Saidi	Chief Product Officer	$2,959,074			Mixed	03 Jun 2025
Douglas E. Coltharp	Director	$2,765,509			Mixed	01 Apr 2026
Harvey L. Sanders	Director	$2,167,675			Mixed	03 Jan 2023
John P. Stanton	EVP, General Counsel	$2,035,154			Mixed	07 Mar 2022
Adam Peake	President of the Americas	$1,981,037			Median	14 May 2026
Eric Liedtke	Chief Marketing Officer	$1,678,526			Median	15 May 2026
Mohamed El-Erian	Director	$1,630,156	+$519,960	+47%	Mixed	01 Apr 2026
Stephanie L. Pugliese	President, Americas	$1,609,671			Mixed	18 Feb 2022
Lisa K. Collier	Chief Product Officer	$1,595,811			Mixed	15 May 2023
Tchernavia Rocker	Chief Administrative Officer	$1,559,334			Mixed	15 May 2024
Massimo Baratto	Chief Consumer Officer	$1,384,448			Mixed	15 May 2023
Karen Katz	Director	$1,224,623			Mixed	01 Jul 2025
James A. Dausch	Chief Strategy Officer	$1,077,047			Mixed	15 Aug 2024
David W. Gibbs	Director	$1,070,667			Mixed	01 Apr 2026
David Baxter	President, Americas	$1,041,163			Mixed	15 May 2023
Olson Eric T.	Director	$1,008,001			Mixed	03 Sep 2025
Mehri F. Shadman	Chief Legal Officer	$964,940	-$100,084	-9.4%	Median	15 May 2026
Dawn N. Fitzpatrick	Director	$865,635	+$493,000	+132%	Mixed	01 Apr 2026
Robert John Sweeney	Director	$865,635	+$488,200	+129%	Mixed	01 Apr 2026
Eric J. Aumen	Chief Accounting Officer	$835,457	+$10,000	+1.2%	Median	14 May 2026
Jerri DeVard	Director	$831,058			Mixed	03 Sep 2025
Patrick Whitesell	Director	$588,880			Mixed	01 Apr 2026
Carolyn Everson	Director	$520,469			Mixed	01 Apr 2026
Aditya Maheshwari	Chief Accounting Officer	$473,812			Mixed	15 May 2023
Reza Taleghani	Chief Financial Officer	$407,583			Median	14 May 2026
Eugene Dubois Smith	Director	$299,138			Mixed	03 Sep 2025
Westley Moore	Director	$298,960			Mixed	03 Oct 2022

Top shareholders of Under Armour, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
FAIRFAX FINANCIAL HOLDINGS LTD/ CAN	13F 13D/G 3/4/5	Company · V. PREM WATSA · 10%+ Owner	24% from 13D/G	65,000,000 mixed-class rows	$380,640,114	—	31 Mar 2026	13F 13D/G 3/4/5
BlackRock, Inc.	13F 13D/G	Company	8.3% from 13D/G	37,581,873 mixed-class rows	$220,101,767	—	31 Mar 2026	13F 13D/G
VANGUARD PORTFOLIO MANAGEMENT LLC	13F 13D/G	Company · Vanguard Portfolio Management	5.8% from 13D/G	17,460,358 mixed-class rows	$102,396,740	—	31 Mar 2026	13F 13D/G
DIMENSIONAL FUND ADVISORS LP	13F 13D/G	Company	3.8% from 13D/G	20,049,588 mixed-class rows	$117,104,292	—	31 Mar 2026	13F 13D/G
FMR LLC	13D/G 13F	Company	0.4%	775,367	$5,094,161	-$152,021,482	29 Aug 2025	13D/G 13F
Kara Trent	3/4/5	Chief Merchandising Officer	0.33%	631,650	$3,657,253	—	14 May 2026	3/4/5
Shawn Curran	3/4/5	Chief Supply Chain Officer	0.29%	555,838	$3,218,302	—	14 May 2026	3/4/5
Yassine Saidi	3/4/5	Chief Product Officer	0.25%	465,996	$2,959,074	—	03 Jun 2025	3/4/5
Eric Liedtke	3/4/5	Chief Marketing Officer	0.15%	289,901	$1,678,526	—	15 May 2026	3/4/5
David W. Gibbs	3/4/5	Director	0.12%	223,056	$1,070,667	—	01 Apr 2026	3/4/5
Dawn N. Fitzpatrick	3/4/5	Director	0.1%	180,341	$865,635	+$493,000	01 Apr 2026	3/4/5
Robert John Sweeney	3/4/5	Director	0.1%	180,341	$865,635	+$488,200	01 Apr 2026	3/4/5
Eric J. Aumen	3/4/5	Chief Accounting Officer	0.08%	144,293	$835,457	+$10,000	14 May 2026	3/4/5
Patrick Whitesell	3/4/5	Director	0.06%	122,683	$588,880	—	01 Apr 2026	3/4/5
Carolyn Everson	3/4/5	Director	0.06%	108,431	$520,469	—	01 Apr 2026	3/4/5
Eugene Dubois Smith	3/4/5	Director	0.03%	61,049	$299,138	—	03 Sep 2025	3/4/5
BDT CAPITAL PARTNERS, LLC	13F	Company	34%	65,050,733	$376,643,744	—	31 Mar 2026	13F
JUPITER ASSET MANAGEMENT LTD	13F	Company	2%	3,763,156	$22,240,252	—	31 Mar 2026	13F
T. Rowe Price Investment Management, Inc.	13F	Company	1.5%	2,843,870	$16,808,000	—	31 Mar 2026	13F
Deltroit Asset Management (UK) LLP	13F	Company	1.3%	2,523,328	$14,912,868	—	31 Mar 2026	13F
Woodline Partners LP	13F	Company	1.1%	2,049,330	$12,111,540	—	31 Mar 2026	13F
KETTLE HILL CAPITAL MANAGEMENT, LLC	13F	Company	0.95%	1,784,741	$10,547,819	—	31 Mar 2026	13F
CREDIT INDUSTRIEL ET COMMERCIAL	13F	Individual	0.81%	1,536,404	$9,080,148	—	31 Mar 2026	13F
Ovata Capital Management Ltd	13F	Company	0.74%	1,398,745	$8,266,583	—	31 Mar 2026	13F
MARSHALL WACE, LLP	13F	Company	0.68%	1,274,711	$7,533,542	—	31 Mar 2026	13F
Gotham Asset Management, LLC	13F	Company	0.65%	1,227,959	$7,109,883	—	31 Mar 2026	13F
WHITEBOX ADVISORS LLC	13F	Company	0.63%	1,186,792	$7,013,941	—	31 Mar 2026	13F
Maven Securities LTD	13F	Company	0.63%	1,184,325	$6,999,361	—	31 Mar 2026	13F
Corient Private Wealth LLC	13F	Company	0.53%	997,744	$5,894,537	—	31 Mar 2026	13F
Parallax Volatility Advisers, L.P.	13F	Company	0.49%	930,242	$6,260,529	—	31 Mar 2026	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.41%	778,149	$4,598,861	—	31 Mar 2026	13F
Capula Management Ltd	13F	Company	0.4%	749,640	$4,430,373	—	31 Mar 2026	13F
Quinn Opportunity Partners LLC	13F	Company	0.32%	596,482	$3,453,631	—	31 Mar 2026	13F
PEAK6 LLC	13F	Company	0.31%	576,216	$3,405,437	—	31 Mar 2026	13F
Trexquant Investment LP	13F	Company	0.28%	519,852	$3,072,325	—	31 Mar 2026	13F
Bleakley Financial Group, LLC	13F	Company	0.25%	476,521	$2,816,239	—	31 Mar 2026	13F
PDT Partners, LLC	13F	Company	0.21%	402,237	$2,377,221	—	31 Mar 2026	13F
O'Connor Alternative Investments LLC	13F	Company	0.21%	400,000	$2,364,000	—	31 Mar 2026	13F
FORMULA GROWTH LTD	13F	Company	0.21%	400,000	$2,316,000	—	31 Mar 2026	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.2%	380,623	$2,249,000	—	31 Mar 2026	13F
Campbell & CO Investment Adviser LLC	13F	Company	0.19%	354,236	$2,093,535	—	31 Mar 2026	13F
DRW Securities, LLC	13F	Company	0.18%	338,783	$2,002,207	—	31 Mar 2026	13F
NATIXIS	13F	Company	0.18%	331,836	$1,961,151	—	31 Mar 2026	13F
Orion Porfolio Solutions, LLC	13F	Company	0.15%	283,830	$1,677,434	—	31 Mar 2026	13F
Bastion Asset Management Inc.	13F	Company	0.15%	278,045	$1,604,537	—	31 Mar 2026	13F
Virtu Financial LLC	13F	Company	0.14%	265,866	$1,571,000	—	31 Mar 2026	13F
Engineers Gate Manager LP	13F	Company	0.13%	240,331	$1,420,356	—	31 Mar 2026	13F
HSBC HOLDINGS PLC	13F	Company	0.12%	226,238	$1,341,877	—	31 Mar 2026	13F
FEDERATED HERMES, INC.	13F	Company	0.1%	197,500	$1,167,225	—	31 Mar 2026	13F
CAXTON ASSOCIATES LLP	13F	Company	0.1%	180,140	$1,064,627	—	31 Mar 2026	13F

Recent Insider Transactions by Companies or Individuals for Under Armour, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Kevin A. Plank	UA	Class C Common Stock	Tax liability	-1.5%			-61,636	4,041,298	15 May 2026	Direct
Mehri F. Shadman	UA	Class C Common Stock	Tax liability	-12.5%			-23,490	165,054	15 May 2026	Direct
Eric Liedtke	UA	Class C Common Stock	Tax liability	-11.1%			-34,233	274,669	15 May 2026	Direct
Kara Trent	UA	Class C Common Stock	Tax liability	-8%			-54,907	631,650	15 May 2026	Direct
Shawn Curran	UA	Class C Common Stock	Tax liability	-8.68%			-52,849	555,838	15 May 2026	Direct
Adam Peake	UA	Class C Common Stock	Tax liability	-2.66%			-8,422	308,260	15 May 2026	Direct
Eric J. Aumen	UA	Class C Common Stock	Tax liability	-4.92%			-7,467	144,293	15 May 2026	Direct
Reza Taleghani	UA	Employee Stock Option (Right to Buy)	Award				957,855	957,855	14 May 2026	Direct
Kara Trent	UA	Class C Common Stock	Award	49.3%			226,815	686,557	14 May 2026	Direct
Shawn Curran	UA	Class C Common Stock	Award	45%			189,013	608,687	14 May 2026	Direct
Adam Peake	UA	Class C Common Stock	Award	148%			189,013	316,682	14 May 2026	Direct
Eric J. Aumen	UA	Class C Common Stock	Award	66.3%			60,484	151,760	14 May 2026	Direct
Watsa V Prem Et Al	UA	Class A Common Shares	Purchase		$500	$5.00	100	44,179,216	14 May 2026	See Footnote
Watsa V Prem Et al	UA	Class A Common Shares	Purchase		$500	$5.00	100	44,179,216	14 May 2026	See Footnote
Watsa V Prem Et Al	UA	Class A Common Shares	Purchase	1.7%	$3,677,860	$4.97	739,521	44,179,116	13 May 2026	See Footnote
Watsa V Prem Et al	UA	Class A Common Shares	Purchase	1.7%	$3,677,860	$4.97	739,521	44,179,116	13 May 2026	See Footnote
Watsa V Prem Et Al	UA	Class A Common Shares	Purchase	1.02%	$2,190,719	$4.99	438,723	43,439,595	12 May 2026	See Footnote
Watsa V Prem Et al	UA	Class A Common Shares	Purchase	1.02%	$2,190,719	$4.99	438,723	43,439,595	12 May 2026	See Footnote
David W. Gibbs	UA	Class C Common Stock	Award	3.06%			5,134	173,056	01 Apr 2026	Direct
Patrick Whitesell	UA	Class C Common Stock	Award	3.78%			4,464	122,683	01 Apr 2026	Direct
Robert John Sweeney	UA	Class C Common Stock	Award	2.8%			4,911	180,341	01 Apr 2026	Direct
Dawn N. Fitzpatrick	UA	Class C Common Stock	Award	2.8%			4,911	180,341	01 Apr 2026	Direct
Carolyn N. Everson	UA	Class C Common Stock	Award	0.83%			893	108,431	01 Apr 2026	Direct
Mohamed El-Erian	UA	Class C Common Stock	Award	5.58%			11,830	224,012	01 Apr 2026	Direct
Douglas E. Coltharp	UA	Class C Common Stock	Award	2.04%			6,362	317,690	01 Apr 2026	Direct
Eric J. Aumen	UA	Class C Common Stock	Tax liability	-2.55%			-2,376	90,702	15 Feb 2026	Direct
Reza Taleghani	UA	Employee Stock Option (Right to Buy)	Award				1,069,520	1,069,520	13 Feb 2026	Direct
Kara Trent	UA	Class C Common Stock	Award	8.46%			35,869	459,742	13 Feb 2026	Direct
Adam Peake	UA	Class C Common Stock	Award	64.8%			50,216	127,669	13 Feb 2026	Direct
Watsa V Prem Et al	UA	Class A Common Shares	Purchase	0.21%	$564,942	$6.29	89,786	43,000,872	28 Jan 2026	See Footnote
Watsa V Prem Et al	UA	Class C Common Shares	Purchase	4.87%	$6,337,647	$6.20	1,022,333	21,999,128	28 Jan 2026	See Footnote
Watsa V Prem Et al	UA	Class A Common Shares	Purchase	1.63%	$4,323,197	$6.30	686,505	42,911,086	27 Jan 2026	See Footnote
Watsa V Prem Et al	UA	Class C Common Shares	Purchase	4.18%	$5,219,928	$6.20	842,481	20,976,795	27 Jan 2026	See Footnote
Watsa V Prem Et al	UAA	Class A Common Shares	Purchase	0.63%	$1,672,795	$6.30	265,658	42,224,581	26 Jan 2026	See Footnote
Watsa V Prem Et al	UAA	Class C Common Shares	Purchase	3.76%	$4,514,477	$6.18	730,238	20,134,314	26 Jan 2026	See Footnote
Watsa V Prem Et al	UAA	Class C Common Shares	Purchase	5.02%	$5,705,278	$6.15	928,397	19,404,076	23 Jan 2026	See Footnote
Watsa V Prem Et al	UAA	Class C Common Shares	Purchase	2.28%	$2,527,672	$6.15	411,057	18,475,679	22 Jan 2026	See Footnote
Watsa V Prem Et al	UA	Class C Common Shares	Purchase	38.3%	$29,461,500	$5.89	5,000,000	18,064,622	21 Jan 2026	See Footnote
Watsa V Prem Et al	UA	Class C Common Shares	Purchase	15.7%	$9,940,621	$5.62	1,769,581	13,064,622	20 Jan 2026	See Footnote
Watsa V Prem Et al	UA	Class C Common Shares	Purchase	19.4%	$10,282,404	$5.60	1,837,686	11,295,041	16 Jan 2026	See Footnote
Patrick Whitesell	UAA	Class C Common Stock	Award	4.35%			4,931	118,219	02 Jan 2026	Direct
Robert John Sweeney	UAA	Class C Common Stock	Award	3.19%			5,424	175,430	02 Jan 2026	Direct
David W. Gibbs	UAA	Class C Common Stock	Award	3.49%			5,671	167,922	02 Jan 2026	Direct
Dawn N. Fitzpatrick	UAA	Class C Common Stock	Award	3.19%			5,424	175,430	02 Jan 2026	Direct
Carolyn N. Everson	UAA	Class C Common Stock	Award	0.93%			986	107,538	02 Jan 2026	Direct
Mohamed El-Erian	UAA	Class C Common Stock	Award	2.14%			4,438	212,181	02 Jan 2026	Direct
Douglas E. Coltharp	UAA	Class C Common Stock	Award	2.31%			7,027	311,329	02 Jan 2026	Direct
Watsa V Prem Et al	UAA	Class C Common Shares	Purchase	21.6%	$8,301,693	$4.95	1,677,991	9,457,355	30 Dec 2025	See Footnote
Watsa V Prem Et al	UAA	Class A Common Shares	Purchase	37.8%	$59,142,220	$5.14	11,504,478	41,958,923	30 Dec 2025	See Footnote
Watsa V Prem Et al	UAA	Class C Common Shares	Purchase	10.4%	$3,288,484	$4.48	734,430	7,779,364	29 Dec 2025	See Footnote

* An asterisk sign (*) next to the price indicates that the price is likely invalid.