SEC Form 4 · Updated Daily
AMB
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 |
|---|---|---|---|---|
| Moghadam Hamid | Director | 969,089 | 2026-07-16 | S |
| RAKOWICH WALTER C | Director | 554,591 | 2012-12-31 | M |
| ROBERTS JOHN T JR | Director | 347,574 | 2009-02-10 | A |
| BAIRD W BLAKE | Director | 285,241 | 2006-12-01 | F |
| BURKE T ROBERT | Director | 222,081 | 2011-05-05 | A |
| SULLIVAN WILLIAM E | Officer | 170,764 | 2012-05-11 | M |
| FREEDMAN BRUCE H | Officer | 136,242 | 2006-04-01 | A |
| WEBB CARL B | Director | 119,786 | 2025-05-08 | M |
| JAQUIER GUY F | Officer | 93,690 | 2013-06-17 | J |
| COKE MICHAEL A | Director | 79,716 | 2007-05-01 | F |
| LOSH J MICHAEL | Director | 75,657 | 2020-04-29 | M |
| SKELTON JEFFREY L | Director | 64,600 | 2024-05-09 | M |
| COLE DAVID A | Director | 48,900 | 2011-05-05 | A |
| TUSHER THOMAS W | Director | 47,264 | 2011-05-05 | A |
| LYONS IRVING F III | Director | 43,825 | 2026-04-28 | C |
| HAWKINS PHILIP L | Director | 35,511 | 2019-06-12 | S |
| KENNARD LYDIA H | Director | 34,413 | 2026-04-28 | M |
| Tran Nina A | Director | 32,241 | 2011-02-02 | A |
| GARVEY CHRISTINE | Director | 31,496 | 2017-05-03 | M |
| ZOLLARS WILLIAM D | Director | 23,720 | 2023-05-04 | M |
| Modjtabai Avid | Director | 22,645 | 2026-04-28 | M |
| STEUERT D MICHAEL | Director | 21,863 | 2015-04-29 | M |
| REID FREDERICK W | Director | 20,044 | 2011-05-05 | A |
| Olinger Thomas S | Director | 13,191 | 2021-12-06 | M |
| Piani Olivier | Director | 12,324 | 2026-04-28 | A |
| BITA CRISTINA GABRIELA | Director | 11,023 | 2026-09-17 | M |
| OCONNOR DAVID P | Director | 10,617 | 2025-05-04 | M |
| Ghazal Joseph | Officer | 8,470 | 2025-05-03 | M |
| BESCHLOSS AFSANEH MASHAYEKHI | Director | 5,192 | 2007-05-10 | A |
| Burns Trisha | Officer | 3,510 | 2026-04-01 | — |
| Briones Deborah K | Officer | 3,116 | 2025-01-01 | — |
| Connor James B. | Director | 1,984 | 2026-04-28 | M |
| FOTIADES GEORGE L | Director | 1,687 | 2026-09-17 | M |
| Metcalfe Guy A | Director | 1,522 | 2024-05-09 | — |
| Palazzolo Lori A | Officer | 414 | 2025-08-26 | S |
| KELLY ALFRED F JR | Director | 286 | 2026-06-29 | — |
| NEKRITZ EDWARD S | Officer | 170 | 2022-10-03 | J |
| Slusser Sarah A | Director | 122 | 2025-05-14 | P |
| Anderson Gary E | Director | 21 | 2022-10-03 | J |
| REILLY EUGENE F | Officer | 7 | 2022-10-03 | J |
| Curless Michael S | Director | 0 | 2018-06-07 | S |
| Arndt Timothy D | Officer | 0 | 2026-06-15 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-30 | Modjtabai Avid | Grant / award (derivative) | 52.134 | $0.00 | 6,378.327 |
| 2026-09-30 | Connor James B. | Grant / award (derivative) | 52.134 | $0.00 | 6,378.327 |
| 2026-09-30 | Piani Olivier | Grant / award (derivative) | 52.134 | $0.00 | 6,378.327 |
| 2026-09-30 | Slusser Sarah A | Grant / award (derivative) | 33.634 | $0.00 | 4,114.971 |
| 2026-09-30 | KENNARD LYDIA H | Grant / award (derivative) | 52.134 | $0.00 | 6,378.327 |
| 2026-09-30 | FOTIADES GEORGE L | Grant / award (derivative) | 242.71 | — | 29,694.48 |
| 2026-09-30 | FOTIADES GEORGE L | Grant / award (derivative) | 128.138 | — | 15,677.109 |
| 2026-09-30 | FOTIADES GEORGE L | Grant / award (derivative) | 381.579 | — | 46,684.591 |
| 2026-09-30 | FOTIADES GEORGE L | Grant / award (derivative) | 194.538 | — | 23,800.917 |
| 2026-09-30 | OCONNOR DAVID P | Grant / award (derivative) | 232.656 | $0.00 | 28,464.456 |
| 2026-09-30 | Metcalfe Guy A | Grant / award (derivative) | 231 | $0.00 | 683.483 |
| 2026-09-30 | Metcalfe Guy A | Grant / award (derivative) | 3.698 | $0.00 | 452.483 |
| 2026-09-30 | Metcalfe Guy A | Grant / award (derivative) | 52.134 | $0.00 | 6,378.327 |
| 2026-09-30 | BITA CRISTINA GABRIELA | Grant / award (derivative) | 231 | $0.00 | 5,486.386 |
| 2026-09-30 | BITA CRISTINA GABRIELA | Grant / award (derivative) | 42.955 | $0.00 | 5,255.386 |
| 2026-09-30 | BITA CRISTINA GABRIELA | Grant / award (derivative) | 68.617 | $0.00 | 8,395.035 |
| 2026-09-17 | FOTIADES GEORGE L | Option exercise (derivative) | 1,687.588 | $0.00 | 46,303.012 |
| 2026-09-17 | FOTIADES GEORGE L | Option exercise | 1,687 | $0.00 | 1,687 |
| 2026-09-17 | BITA CRISTINA GABRIELA | Option exercise (derivative) | 1,129.37 | $0.00 | 5,212.431 |
| 2026-09-17 | BITA CRISTINA GABRIELA | Option exercise (derivative) | 1,687.588 | $0.00 | 8,326.417 |
| 2026-09-17 | BITA CRISTINA GABRIELA | Option exercise | 1,128 | $0.00 | 11,023 |
| 2026-09-17 | BITA CRISTINA GABRIELA | Option exercise | 1,687 | $0.00 | 9,895 |
| 2026-07-16 | Moghadam Hamid | Open-market sale | 50,000 | $149.91 | 969,089 |
| 2026-07-14 | Arndt Timothy D | Grant / award (derivative) | 10,779 | $0.01 | 301,021 |
| 2026-07-14 | Burns Trisha | Grant / award (derivative) | 694 | $0.01 | 11,429 |
| 2026-07-14 | Austin Damon | Grant / award (derivative) | 10,708 | $0.01 | 164,262 |
| 2026-07-14 | Briones Deborah K | Grant / award (derivative) | 6,498 | $0.01 | 136,029 |
| 2026-07-14 | Letter Daniel | Grant / award (derivative) | 21,671 | $0.01 | 341,735 |
| 2026-07-14 | Andrus Carter | Grant / award (derivative) | 10,119 | $0.01 | 158,320 |
| 2026-06-30 | Metcalfe Guy A | Grant / award (derivative) | 221 | $0.00 | 448.785 |
| 2026-06-30 | Metcalfe Guy A | Grant / award (derivative) | 1.785 | $0.00 | 227.785 |
| 2026-06-30 | Metcalfe Guy A | Grant / award (derivative) | 49.575 | $0.00 | 6,326.193 |
| 2026-06-30 | Slusser Sarah A | Grant / award (derivative) | 31.984 | $0.00 | 4,081.337 |
| 2026-06-30 | KENNARD LYDIA H | Grant / award (derivative) | 49.575 | $0.00 | 6,326.193 |
| 2026-06-30 | Piani Olivier | Grant / award (derivative) | 49.575 | $0.00 | 6,326.193 |
| 2026-06-30 | BITA CRISTINA GABRIELA | Grant / award (derivative) | 221 | $0.00 | 6,341.801 |
| 2026-06-30 | BITA CRISTINA GABRIELA | Grant / award (derivative) | 47.966 | $0.00 | 6,107.578 |
| 2026-06-30 | BITA CRISTINA GABRIELA | Grant / award (derivative) | 78.475 | $0.00 | 10,014.005 |
| 2026-06-30 | Connor James B. | Grant / award (derivative) | 49.575 | $0.00 | 6,326.193 |
| 2026-06-30 | FOTIADES GEORGE L | Grant / award (derivative) | 230.8 | — | 29,451.771 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.