SEC Form 4 · Updated Daily
USM
Insider 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 |
|---|---|---|---|---|
| Therivel Laurent C | Director · Officer | 240,812 | 2025-04-04 | M |
| IRIZARRY MICHAEL | Director · Officer | 115,076 | 2025-07-30 | M |
| Campbell Steven T | Officer | 67,304 | 2020-04-03 | M |
| ROONEY JOHN E | Director · Officer | 61,262 | 2010-05-31 | M |
| CARLSON WALTER CD | Director · Officer | 44,628 | 2025-08-01 | A |
| Drake Deirdre | Director | 33,897 | 2024-05-21 | A |
| Stewart Cecelia D. | Director | 31,529 | 2024-05-21 | A |
| MEYERS KENNETH R | Director · Officer | 28,565 | 2020-06-08 | S |
| CHILDS JEFFREY J | Officer | 28,429 | 2013-08-13 | M |
| Lowell Kevin R | Officer | 26,934 | 2025-04-04 | M |
| JOSEFOWICZ GREGORY P | Director | 22,480 | 2025-06-02 | G |
| Dillon Mary N | Director | 20,000 | 2013-06-01 | M |
| Perez Edward | Officer | 18,032 | 2018-04-02 | M |
| Chambers Douglas W | Director · Officer | 17,600 | 2025-08-12 | S |
| BARR JAMES III | Director | 16,759 | 2018-03-01 | A |
| HARCZAK HARRY J JR | Director | 16,538 | 2026-09-11 | S |
| Carlson Anthony J | Officer | 14,310 | 2026-04-03 | M |
| WEBER THOMAS S | Officer | 12,353 | 2005-12-30 | M |
| Iriarte Esteban C | Director | 11,426 | 2026-05-19 | A |
| Williams Xavier | Director | 8,735 | 2026-05-19 | A |
| Crowley J Samuel | Director | 7,445 | 2022-03-25 | S |
| DALY RONALD E | Director | 6,734 | 2022-05-12 | S |
| FERBER ALAN | Director | 1,593 | 2012-04-17 | G |
| ELLISON JAY | Officer | 478 | 2020-08-24 | S |
| Villacrez Vicki L | Director · Officer | 0 | 2022-05-17 | — |
| Dixon Kenneth S. | Director · Officer | 0 | 2025-07-01 | — |
| Kroll Anita J | Officer | 0 | 2019-06-24 | — |
| Toomey John M | Director | 0 | 2026-05-19 | — |
| Butman James W | Director · Officer | 0 | 2023-01-01 | — |
| SEREDA PETER L | Officer | 0 | 2014-09-25 | — |
| Shuma Douglas D | Officer | 0 | 2011-05-17 | — |
| Spenchian Jay G | Officer | 0 | 2017-07-17 | — |
| Hanley Joseph R | Officer | 0 | 2025-08-01 | — |
| THAUS KURT B | Officer | 0 | 2014-09-25 | — |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-11 | HARCZAK HARRY J JR | Open-market sale | 2,123 | $38.21 | 14,415 |
| 2026-09-11 | HARCZAK HARRY J JR | Open-market sale | 4,709 | $38.18 | 16,538 |
| 2026-05-19 | Toomey John M | — | — | — | 0 |
| 2026-05-19 | Williams Xavier | Grant / award | 1,873 | $50.91 | 8,735 |
| 2026-05-19 | Iriarte Esteban C | Grant / award | 1,873 | $50.91 | 11,426 |
| 2026-05-19 | HARCZAK HARRY J JR | Grant / award | 1,873 | $50.91 | 21,247 |
| 2026-04-03 | Carlson Anthony J | Option exercise (derivative) | 4,150 | $48.00 | 0 |
| 2026-04-03 | Carlson Anthony J | Option exercise (derivative) | 1,742 | $48.00 | 0 |
| 2026-04-03 | Carlson Anthony J | Tax withholding | 1,217 | $48.00 | 13,093 |
| 2026-04-03 | Carlson Anthony J | Option exercise | 4,150 | $48.00 | 14,310 |
| 2026-04-03 | Carlson Anthony J | Tax withholding | 511 | $48.00 | 10,160 |
| 2026-04-03 | Carlson Anthony J | Option exercise | 1,742 | $48.00 | 10,671 |
| 2026-03-17 | Carlson Anthony J | Grant / award (derivative) | 5,805 | — | 5,805 |
| 2026-03-04 | Carlson Anthony J | Option exercise (derivative) | 1,004 | $49.91 | 1,003 |
| 2026-03-04 | Carlson Anthony J | Tax withholding | 349 | $49.91 | 8,929 |
| 2026-03-04 | Carlson Anthony J | Option exercise | 1,004 | $49.91 | 9,278 |
| 2026-01-02 | Carlson Anthony J | Option exercise (derivative) | 5,022 | — | 4,489 |
| 2026-01-02 | Carlson Anthony J | Tax withholding | 1,355 | $54.00 | 8,274 |
| 2026-01-02 | Carlson Anthony J | Option exercise | 5,022 | $54.00 | 9,629 |
| 2025-11-16 | Carlson Anthony J | — | — | — | 9,511 |
| 2025-11-16 | Carlson Anthony J | — | — | — | 4,607 |
| 2025-08-18 | HARCZAK HARRY J JR | Open-market sale | 1,960 | $76.20 | 19,374 |
| 2025-08-12 | Chambers Douglas W | Open-market sale | 93,300 | $75.77 | 17,600 |
| 2025-08-01 | Hanley Joseph R | — | — | — | 0 |
| 2025-08-01 | Iriarte Esteban C | Grant / award | 1,960 | $73.50 | 9,553 |
| 2025-08-01 | Williams Xavier | Grant / award | 1,960 | $73.50 | 6,862 |
| 2025-08-01 | HARCZAK HARRY J JR | Grant / award | 1,960 | $73.50 | 21,334 |
| 2025-08-01 | CARLSON WALTER CD | Grant / award | 1,146 | $73.50 | 44,628 |
| 2025-08-01 | Chambers Douglas W | Grant / award (derivative) | 2,871 | — | 11,484 |
| 2025-08-01 | Chambers Douglas W | Option exercise (derivative) | 41,132 | — | 0 |
| 2025-08-01 | Chambers Douglas W | Option exercise (derivative) | 11,522 | — | 0 |
| 2025-08-01 | Chambers Douglas W | Disposition to issuer | 67,005 | $73.50 | 110,900 |
| 2025-08-01 | Chambers Douglas W | Option exercise | 67,005 | — | 177,905 |
| 2025-08-01 | Chambers Douglas W | Tax withholding | 19,333 | $73.50 | 110,900 |
| 2025-08-01 | Chambers Douglas W | Option exercise | 41,132 | — | 130,233 |
| 2025-08-01 | Chambers Douglas W | Tax withholding | 5,416 | $73.50 | 89,101 |
| 2025-08-01 | Chambers Douglas W | Option exercise | 11,522 | — | 94,517 |
| 2025-07-30 | IRIZARRY MICHAEL | Option exercise (derivative) | 18,683 | — | 0 |
| 2025-07-30 | IRIZARRY MICHAEL | Tax withholding | 14,895 | $72.13 | 100,181 |
| 2025-07-30 | IRIZARRY MICHAEL | Option exercise | 18,683 | $45.87 | 115,076 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.