Insider Transactions Reported by 35 Insiders of Under Armour, Inc.

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

Quick Takeaways

UAA - Under Armour, Inc. has 35 insiders with reported activity on this page.
Net insider value flow over the last year: +$220,368,974.
Recent transaction rows are available for direct filing-level review.

What Changed

Buy value: $220,469,058; sell value: $100,083.
Net share flow: +42,733,913.

Why This Matters

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.

Source 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: +$220,368,974.

Buys

$220,469,058

Shares: 42,750,200

Insiders: 5

Sells

$100,084

Shares: 16,287

Insiders: 1

Net

+$220,368,974

Shares: +42,733,913

Insiders: 4

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

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	$406,942,780	+$218,957,898	+116%	Filing P/S	27 Jan 2026
Kevin A. Plank	President and CEO, Director, 10%+ Owner	$120,526,783			Mixed	03 Jun 2025
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
Yassine Saidi	Chief Product Officer	$2,959,074			Mixed	03 Jun 2025
Douglas E. Coltharp	Director	$2,765,509			Mixed	01 Apr 2026
Kara Trent	Chief Merchandising Officer	$2,749,257			Mixed	13 Feb 2026
Harvey L. Sanders	Director	$2,167,675			Mixed	03 Jan 2023
Eric Liedtke	Brand President	$2,071,215			Mixed	15 Aug 2025
John P. Stanton	EVP, General Counsel	$2,035,154			Mixed	07 Mar 2022
Shawn Curran	Chief Supply Chain Officer	$1,833,975			Mixed	15 Nov 2025
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
Adam Peake	President of the Americas	$964,320			Mixed	13 Feb 2026
Robert John Sweeney	Director	$865,635	+$488,200	+129%	Mixed	01 Apr 2026
Dawn N. Fitzpatrick	Director	$865,635	+$493,000	+132%	Mixed	01 Apr 2026
Mehri F. Shadman	Chief Legal Officer	$831,080	-$100,084	-11%	Mixed	15 Nov 2025
Jerri DeVard	Director	$831,058			Mixed	03 Sep 2025
Patrick Whitesell	Director	$588,880			Mixed	01 Apr 2026
Eric J. Aumen	Chief Accounting Officer	$542,395	+$10,000	+1.9%	Mixed	15 Feb 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	$417,238			Mixed	13 Feb 2026
Eugene D. 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 by the holder's primary source 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
Watsa V Prem Et al	3/4/5	10%+ Owner	— mixed-class rows	65,000,000 mixed-class rows	$406,942,780	+$218,957,898	27 Jan 2026	3/4/5
BDT CAPITAL PARTNERS, LLC	13F	Company	34%	65,050,733	$312,243,518	—	31 Dec 2025	13F
FAIRFAX FINANCIAL HOLDINGS LTD/ CAN	13F 13D/G	Company · V. PREM WATSA	22% from 13D/G	51,416,278 mixed-class rows	$253,931,151	—	31 Dec 2025	13F 13D/G
BlackRock, Inc.	13F 13D/G	Company	8.3% from 13D/G	37,413,999 mixed-class rows	$183,103,601	—	31 Dec 2025	13F 13D/G
VANGUARD GROUP INC	13F	Company	— mixed-class rows	32,898,405 mixed-class rows	$160,831,042	—	31 Dec 2025	13F
Kevin A. Plank	3/4/5	President and CEO, Director, 10%+ Owner	— mixed-class rows	55,837,711 mixed-class rows	$120,526,783	—	03 Jun 2025	3/4/5
DIMENSIONAL FUND ADVISORS LP	13F 13D/G	Company	3.8% from 13D/G	18,047,389 mixed-class rows	$87,864,226	—	31 Dec 2025	13F 13D/G
VANGUARD PORTFOLIO MANAGEMENT LLC	13D/G	Vanguard Portfolio Management	5.8%	10,863,416	$62,899,179	$0	31 Mar 2026	13D/G
UBS Group AG	13F	Company	— mixed-class rows	11,466,608 mixed-class rows	$56,382,824	—	31 Dec 2025	13F
STATE STREET CORP	13F	Company	— mixed-class rows	10,661,003 mixed-class rows	$52,212,932	—	31 Dec 2025	13F
D. E. Shaw & Co., Inc.	13F	Company	— mixed-class rows	7,560,819 mixed-class rows	$37,059,983	—	31 Dec 2025	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	— mixed-class rows	7,312,760 mixed-class rows	$36,252,479	—	31 Dec 2025	13F
JANE STREET GROUP, LLC	13F	Company	— mixed-class rows	6,784,536 mixed-class rows	$33,412,331	—	31 Dec 2025	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	— mixed-class rows	5,602,420 mixed-class rows	$27,819,425	—	31 Dec 2025	13F
MORGAN STANLEY	13F	Company	— mixed-class rows	5,478,723 mixed-class rows	$27,066,030	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	— mixed-class rows	5,524,615 mixed-class rows	$27,028,004	—	31 Dec 2025	13F
JUPITER ASSET MANAGEMENT LTD	13F	Company	2.3%	4,374,367	$21,740,604	—	31 Dec 2025	13F
Neuberger Berman Group LLC	13F	Company	— mixed-class rows	3,785,806 mixed-class rows	$18,190,732	—	31 Dec 2025	13F
MARSHALL WACE, LLP	13F	Company	— mixed-class rows	3,376,062 mixed-class rows	$16,648,528	—	31 Dec 2025	13F
T. Rowe Price Investment Management, Inc.	13F	Company	1.5%	2,843,976	$14,135,000	—	31 Dec 2025	13F
Invesco Ltd.	13F	Company	— mixed-class rows	2,367,435 mixed-class rows	$11,595,558	—	31 Dec 2025	13F
Squarepoint Ops LLC	13F	Company	— mixed-class rows	2,125,824 mixed-class rows	$10,518,444	—	31 Dec 2025	13F
GROUP ONE TRADING LLC	13F	Company	1.1%	2,104,385	$10,458,793	—	31 Dec 2025	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	— mixed-class rows	2,076,737 mixed-class rows	$10,220,009	—	31 Dec 2025	13F
Stephanie C. Linnartz	3/4/5	President & CEO, Director	— mixed-class rows	1,638,887 mixed-class rows	$10,047,987	—	27 Feb 2024	3/4/5
NORTHERN TRUST CORP	13F	Company	— mixed-class rows	2,033,215 mixed-class rows	$9,971,899	—	31 Dec 2025	13F
Patrik Frisk	3/4/5	CEO & President	— class O/S missing	1,621,006	$9,936,765	—	18 Feb 2022	3/4/5
Deltroit Asset Management (UK) LLP	13F	Company	1.1%	1,993,846	$9,909,415	—	31 Dec 2025	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	— mixed-class rows	1,847,701 mixed-class rows	$9,147,085	—	31 Dec 2025	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	— mixed-class rows	1,841,598 mixed-class rows	$9,145,526	—	31 Dec 2025	13F
Bank of New York Mellon Corp	13F	Company	— mixed-class rows	1,636,430 mixed-class rows	$8,013,061	—	31 Dec 2025	13F
CITADEL ADVISORS LLC	13F	Company	— mixed-class rows	1,572,613 mixed-class rows	$7,771,684	—	31 Dec 2025	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	— mixed-class rows	1,461,130 mixed-class rows	$7,165,922	—	31 Dec 2025	13F
Point72 Asset Management, L.P.	13F	Company	— mixed-class rows	1,409,193 mixed-class rows	$6,972,491	—	31 Dec 2025	13F
Ovata Capital Management Ltd	13F	Company	0.74%	1,398,745	$6,951,763	—	31 Dec 2025	13F
Quinn Opportunity Partners LLC	13F	Company	0.75%	1,425,000	$6,840,000	—	31 Dec 2025	13F
Parallax Volatility Advisers, L.P.	13F	Company	0.72%	1,367,014	$6,794,060	—	31 Dec 2025	13F
WHITEBOX ADVISORS LLC	13F	Company	0.69%	1,301,365	$6,467,784	—	31 Dec 2025	13F
FIRST TRUST ADVISORS LP	13F	Company	— mixed-class rows	1,260,874 mixed-class rows	$6,263,474	—	31 Dec 2025	13F
SIMPLEX TRADING, LLC	13F	Company	— mixed-class rows	1,236,895 mixed-class rows	$6,130,980	—	31 Dec 2025	13F
Walleye Trading LLC	13F	Company	0.64%	1,203,640	$5,982,091	—	31 Dec 2025	13F
ROYAL BANK OF CANADA	13F	Company	— mixed-class rows	1,156,611 mixed-class rows	$5,734,000	—	31 Dec 2025	13F
XTX Topco Ltd	13F	Company	— mixed-class rows	1,095,793 mixed-class rows	$5,354,964	—	31 Dec 2025	13F
PUBLIC SECTOR PENSION INVESTMENT BOARD	13F	Company	— mixed-class rows	1,063,100 mixed-class rows	$5,213,975	—	31 Dec 2025	13F
BANK OF AMERICA CORP /DE/	13F	Company	— mixed-class rows	1,037,790 mixed-class rows	$5,149,811	—	31 Dec 2025	13F
FMR LLC	13D/G 13F	Company	0.4%	775,367	$5,094,161	-$152,021,482	29 Aug 2025	13D/G 13F
COMMONWEALTH EQUITY SERVICES, LLC	13F	Company	— mixed-class rows	1,016,621 mixed-class rows	$5,034,739	—	31 Dec 2025	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.52%	990,349	$4,922,035	—	31 Dec 2025	13F
Corient Private Wealth LLC	13F	Company	0.52%	981,990	$4,880,491	—	31 Dec 2025	13F
SG Americas Securities, LLC	13F	Company	— mixed-class rows	981,332 mixed-class rows	$4,829,000	—	31 Dec 2025	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
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
Watsa V Prem Et al	UAA	Class A Common Shares	Purchase	6.15%	$8,343,508	$4.73	1,763,396	30,454,445	29 Dec 2025	See Footnote
Watsa V Prem Et al	UAA	Class C Common Shares	Purchase	5.79%	$1,705,457	$4.42	385,850	7,044,934	26 Dec 2025	See Footnote
Watsa V Prem Et al	UAA	Class A Common Shares	Purchase	3.61%	$4,638,400	$4.64	1,000,000	28,691,049	26 Dec 2025	See Footnote
Watsa V Prem Et al	UAA	Class C Common Shares	Purchase	7.05%	$1,927,350	$4.40	438,333	6,659,084	24 Dec 2025	See Footnote
Watsa V Prem Et al	UAA	Class A Common Shares	Purchase	3.27%	$4,048,359	$4.62	875,548	27,691,049	24 Dec 2025	See Footnote
Watsa V Prem Et al	UAA	Class C Common Shares	Purchase	11.1%	$2,716,936	$4.38	620,801	6,220,751	23 Dec 2025	See Footnote
Watsa V Prem Et al	UAA	Class A Common Shares	Purchase	8.6%	$9,654,147	$4.54	2,124,452	26,815,501	23 Dec 2025	See Footnote
Watsa V Prem Et al	UAA	Class C Common Shares	Purchase	72.6%	$10,261,643	$4.36	2,355,641	5,599,950	22 Dec 2025	See Footnote
Watsa V Prem Et al	UAA	Class A Common Shares	Purchase	27.9%	$24,379,239	$4.53	5,383,513	24,691,049	22 Dec 2025	See Footnote
Mehri F. Shadman	UAA	Class C Common Stock	Tax liability	-3.13%			-6,094	188,544	15 Nov 2025	Direct
Shawn Curran	UAA	Class C Common Stock	Tax liability	-2.5%			-10,749	419,674	15 Nov 2025	Direct
Patrick Whitesell	UAA	Class C Common Stock	Award	4.74%			5,123	113,288	01 Oct 2025	Direct
Robert John Sweeney	UAA	Class C Common Stock	Award	3.43%			5,635	170,006	01 Oct 2025	Direct
David W. Gibbs	UAA	Class C Common Stock	Award	3.77%			5,891	162,251	01 Oct 2025	Direct
Dawn N. Fitzpatrick	UAA	Class C Common Stock	Award	3.43%			5,635	170,006	01 Oct 2025	Direct
Carolyn N. Everson	UAA	Class C Common Stock	Award	0.97%			1,025	106,552	01 Oct 2025	Direct
Mohamed El-Erian	UAA	Class C Common Stock	Award	2.27%			4,611	207,743	01 Oct 2025	Direct
Douglas E. Coltharp	UAA	Class C Common Stock	Award	2.46%			7,300	304,302	01 Oct 2025	Direct

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