SEC Form 4 · Updated Daily
UA
— UNDER ARMOUR, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| WATSA V PREM ET AL | 10%+ Owner | 44,179,216 | 2026-05-14 | P |
| FAIRFAX FINANCIAL HOLDINGS LTD/ CAN | 10%+ Owner | 44,179,216 | 2026-05-14 | P |
| Plank Kevin A | 10%+ Owner · Director · Officer | 6,206,831 | 2026-08-26 | A |
| MAVERICK CAPITAL MANAGEMENT LLC | 10%+ Owner | 3,779,420 | 2008-01-18 | P |
| MAVERICK CAPITAL LTD | 10%+ Owner | 3,779,420 | 2008-01-18 | P |
| AINSLIE LEE S III | 10%+ Owner | 3,779,420 | 2008-01-18 | P |
| Plank Investments Limited Partnership | 10%+ Owner | 3,188,000 | 2006-05-23 | J |
| Plank Jayne | 10%+ Owner | 3,188,000 | 2006-05-23 | J |
| Plank J Scott | Officer | 2,501,002 | 2012-08-03 | S |
| Linnartz Stephanie | Director | 1,638,797 | 2024-02-27 | F |
| Frisk Patrik | Officer | 1,607,005.67 | 2022-02-18 | A |
| Trent Kara | Officer | 686,557 | 2026-05-14 | A |
| Browne Colin | Officer | 626,871 | 2023-05-15 | F |
| Curran Shawn | Officer | 608,687 | 2026-05-14 | A |
| Bergman David | Officer | 606,531 | 2025-05-05 | A |
| Saidi Yassine | Officer | 465,996 | 2025-05-15 | A |
| Fipps Paul | Director | 401,671.54 | 2020-08-15 | F |
| Lee Michael S | Officer | 391,998 | 2017-02-14 | A |
| COLTHARP DOUGLAS E | Director | 361,010.31 | 2026-10-01 | A |
| Stanton John Patrick | Officer | 331,999 | 2022-03-07 | F |
| Peake Adam | Officer | 316,682 | 2026-05-14 | A |
| El-Erian Mohamed | Director | 278,884.63 | 2026-10-01 | A |
| Liedtke Eric | Officer | 274,669 | 2026-05-15 | F |
| PUGLIESE STEPHANIE L. | Director · Officer | 262,589 | 2022-02-18 | A |
| Fulks Kip J | Officer | 261,356 | 2018-02-15 | F |
| Collier Lisa K. | Officer | 260,328 | 2023-05-15 | F |
| Rocker Tchernavia | Officer | 254,377.41 | 2024-05-15 | F |
| Pestridge Simon James | Officer | 233,729 | 2026-08-28 | F |
| LaRose Jason | Officer | 231,473.53 | 2019-02-19 | A |
| Baratto Massimo | Officer | 225,847.91 | 2023-05-15 | F |
| Fitzpatrick Dawn N. | Director | 220,595.39 | 2026-10-01 | A |
| Sweeney Robert John | Director | 220,595.39 | 2026-10-01 | A |
| Olson Eric T | Director | 217,147.96 | 2026-08-26 | A |
| Eskridge Kevin | Officer | 215,833.73 | 2020-02-13 | A |
| Gibbs David W | Director | 213,781.95 | 2026-10-01 | A |
| SANDERS HARVEY | Director | 203,617.41 | 2023-01-03 | A |
| Dowley Mark M. | Officer | 200,000 | 2011-02-01 | A |
| DEVARD JERRI | Director | 197,875.36 | 2026-08-26 | A |
| Krongard A B | Director | 192,567.89 | 2020-04-01 | A |
| KATZ KAREN | Director | 188,479.75 | 2025-07-01 | A |
| de Pestel Alessandro | Officer | 177,634 | 2021-02-15 | F |
| Dausch James A | Director | 175,701 | 2024-08-15 | F |
| Kraus William J | Officer | 170,000 | 2007-08-02 | S |
| BAXTER DAVID | Officer | 169,847.09 | 2023-05-15 | F |
| Shadman Mehri | Officer | 165,054 | 2026-05-15 | F |
| Whitesell Patrick | Director | 161,995.03 | 2026-10-01 | A |
| Fafaul Michael F SR | Officer | 155,100 | 2006-02-14 | M |
| Aumen Eric J | Officer | 141,194.104 | 2026-08-15 | F |
| Everson Carolyn | Director | 140,197.84 | 2026-10-01 | A |
| MARINO WAYNE | Officer | 134,053.61 | 2011-09-16 | S |
| Maurath Karl-Heinz | Officer | 130,981 | 2018-02-15 | F |
| Peck Raphael J | Officer | 126,345.71 | 2009-05-27 | M |
| Stafford Henry B. | Officer | 118,694 | 2016-02-15 | F |
| McDermott William R | Director · Officer | 114,852.11 | 2020-01-02 | A |
| McCreight David W. | Director | 100,058 | 2010-08-15 | F |
| Smith Eugene Dubois | Director | 90,929.16 | 2026-08-26 | A |
| Taleghani Reza | Officer | 87,621 | 2026-08-11 | P |
| DEERING ANTHONY W | Director | 83,738.72 | 2017-10-02 | A |
| Maheshwari Aditya | Officer | 77,294 | 2023-05-15 | F |
| Bodenheimer George Ward | Director | 77,278.44 | 2021-01-04 | A |
| Gilbertson Scott R | Officer | 72,100 | 2006-03-15 | M |
| Molloy Lawrence | Director | 69,109 | 2016-02-09 | A |
| Dickerson Brad | Officer | 66,838 | 2015-11-05 | M |
| Adams Byron K JR | Director | 52,436.03 | 2017-04-03 | A |
| Sippel Thomas J | Director | 52,125.98 | 2015-01-02 | A |
| Moore Westley | Director | 48,770.05 | 2022-10-03 | A |
| Page Andrew E | Director | 47,719 | 2019-03-01 | — |
| McCarthy Eugene R | Officer | 47,500 | 2013-02-15 | M |
| Battista Stephen J | Officer | 40,000 | 2008-02-21 | — |
| Karkus Suzanne | Officer | 31,860 | 2010-02-15 | F |
| Mahrer Peter | Officer | 30,157.17 | 2008-08-19 | S |
| MIRCHIN MATTHEW C | Officer | 29,117 | 2016-08-25 | S |
| HARDY JAMES H JR | Officer | 28,230.46 | 2016-05-15 | F |
| Calo James E | Officer | 27,000 | 2008-10-10 | S |
| Wallace Melissa | Officer | 17,479 | 2009-02-17 | S |
| Ussery Terdema L II | Officer | 15,601 | 2015-09-14 | A |
| Rogers John S. | Officer | 12,250 | 2013-02-04 | S |
| Sawall Dan J | Officer | 8,652 | 2012-02-15 | F |
| Chandler Kerry D | Officer | 7,246 | 2018-02-28 | S |
| Haley Kevin M | Officer | 6,033.39 | 2009-04-30 | M |
| Freeman Brenda | Director | 4,753.85 | 2013-04-30 | A |
| Thurston Robin | Officer | 4,497.84 | 2016-07-01 | F |
| Wood Ryan S | Officer | 0 | 2006-11-02 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-10-01 | COLTHARP DOUGLAS E | Grant / award | 7,864.24 | $0.00 | 361,010.31 |
| 2026-10-01 | El-Erian Mohamed | Grant / award | 14,624.72 | $0.00 | 278,884.63 |
| 2026-10-01 | Everson Carolyn | Grant / award | 1,103.75 | $0.00 | 140,197.84 |
| 2026-10-01 | Fitzpatrick Dawn N. | Grant / award | 6,070.64 | $0.00 | 220,595.39 |
| 2026-10-01 | Gibbs David W | Grant / award | 6,346.58 | $0.00 | 213,781.95 |
| 2026-10-01 | Sweeney Robert John | Grant / award | 6,070.64 | $0.00 | 220,595.39 |
| 2026-10-01 | Whitesell Patrick | Grant / award | 5,518.76 | $0.00 | 161,995.03 |
| 2026-08-28 | Pestridge Simon James | Tax withholding | 3,679 | $0.00 | 233,729 |
| 2026-08-26 | COLTHARP DOUGLAS E | Grant / award | 29,880.48 | $0.00 | 353,146.07 |
| 2026-08-26 | DEVARD JERRI | Grant / award | 29,880.48 | $0.00 | 197,875.36 |
| 2026-08-26 | El-Erian Mohamed | Grant / award | 29,880.48 | $0.00 | 264,259.91 |
| 2026-08-26 | Everson Carolyn | Grant / award | 29,880.48 | $0.00 | 139,094.09 |
| 2026-08-26 | Fitzpatrick Dawn N. | Grant / award | 29,880.48 | $0.00 | 214,524.75 |
| 2026-08-26 | Gibbs David W | Grant / award | 29,880.48 | $0.00 | 207,435.37 |
| 2026-08-26 | Olson Eric T | Grant / award | 29,880.48 | $0.00 | 217,147.96 |
| 2026-08-26 | Smith Eugene Dubois | Grant / award | 29,880.48 | $0.00 | 90,929.16 |
| 2026-08-26 | Sweeney Robert John | Grant / award | 29,880.48 | $0.00 | 214,524.75 |
| 2026-08-26 | Whitesell Patrick | Grant / award | 29,880.48 | $0.00 | 156,476.27 |
| 2026-08-26 | Plank Kevin A | Grant / award | 2,165,533 | $0.00 | 6,206,831 |
| 2026-08-15 | Aumen Eric J | Tax withholding | 3,568 | $0.00 | 141,194.104 |
| 2026-08-11 | Taleghani Reza | Open-market buy | 18,656 | $5.37 | 87,621 |
| 2026-07-01 | COLTHARP DOUGLAS E | Grant / award | 5,575.12 | $0.00 | 323,265.59 |
| 2026-07-01 | El-Erian Mohamed | Grant / award | 10,367.76 | $0.00 | 234,379.43 |
| 2026-07-01 | Everson Carolyn | Grant / award | 782.47 | $0.00 | 109,213.61 |
| 2026-07-01 | Fitzpatrick Dawn N. | Grant / award | 4,303.6 | $0.00 | 184,644.27 |
| 2026-07-01 | Gibbs David W | Grant / award | 4,499.22 | $0.00 | 177,554.89 |
| 2026-07-01 | Sweeney Robert John | Grant / award | 4,303.6 | $0.00 | 184,644.27 |
| 2026-07-01 | Whitesell Patrick | Grant / award | 3,912.36 | $0.00 | 126,595.79 |
| 2026-06-01 | Pestridge Simon James | — | — | — | 237,408 |
| 2026-05-15 | Aumen Eric J | Tax withholding | 7,467 | $0.00 | 144,293.146 |
| 2026-05-15 | Peake Adam | Tax withholding | 8,422 | $0.00 | 308,260 |
| 2026-05-15 | Curran Shawn | Tax withholding | 52,849 | $0.00 | 555,838 |
| 2026-05-15 | Trent Kara | Tax withholding | 54,907 | $0.00 | 631,650 |
| 2026-05-15 | Liedtke Eric | Tax withholding | 34,233 | $0.00 | 274,669 |
| 2026-05-15 | Shadman Mehri | Tax withholding | 23,490 | $0.00 | 165,054 |
| 2026-05-15 | Plank Kevin A | Tax withholding | 61,636 | $0.00 | 4,041,298 |
| 2026-05-14 | FAIRFAX FINANCIAL HOLDINGS LTD/ CAN | Open-market buy | 100 | $5.00 | 44,179,216 |
| 2026-05-14 | WATSA V PREM ET AL | Open-market buy | 100 | $5.00 | 44,179,216 |
| 2026-05-14 | Aumen Eric J | Grant / award | 60,484 | $0.00 | 151,760.146 |
| 2026-05-14 | Peake Adam | Grant / award | 189,013 | $0.00 | 316,682 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.