NASDAQ : AMBR
-$0.05 (-3.42%)
2
18
$1.91M
| Insider Name | Title | Date | Transaction | Cost | Filing Date |
|---|---|---|---|---|---|
| IP WING WAI | director | 2026-06-24 | A-Award | 0 | 2026-06-24 |
| IP WING WAI | director | 2026-06-24 | A-Award | 0 | 2026-06-24 |
| Ngai Yuk Chun | officer: Chief Financial Officer | 2026-04-01 | A-Award | 0 | 2026-04-01 |
| Ngai Yuk Chun | officer: Chief Financial Officer | 2026-04-01 | A-Award | 0 | 2026-04-01 |
| BAO YI CAIUS | director, officer: Chief Product Officer | 2026-03-18 | 0 | 2026-03-25 | |
| Chong Lub Bun | director | 2026-03-18 | 0 | 2026-03-25 | |
| Wu Yuao | director, officer: Chief Executive Officer | 2026-03-18 | 0 | 2026-03-18 | |
| Wu Yuao | director, officer: Chief Executive Officer | 2026-03-18 | 0 | 2026-03-18 | |
| Wang Kejia | director, officer: President | 2026-03-18 | 0 | 2026-03-18 | |
| IP WING WAI | director | 2026-03-18 | 0 | 2026-03-18 | |
| IP WING WAI | director | 2026-06-24 | 0 | 2026-03-18 | |
| Huo Junwei | director | 2026-03-18 | 0 | 2026-03-18 | |
| Huo Junwei | director | 2026-03-18 | 0 | 2026-03-18 | |
| JIAO Jie | director | 2026-03-18 | 0 | 2026-03-18 | |
| Ngai Yuk Chun | officer: Chief Financial Officer | 2026-03-18 | 0 | 2026-03-18 | |
| Ngai Yuk Chun | officer: Chief Financial Officer | 2026-04-01 | 0 | 2026-03-18 | |
| Kan Siu Lun | director | 2026-03-18 | 0 | 2026-03-18 | |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2017-04-07 | S-Sale | 7.01 | 2017-04-11 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2017-04-10 | S-Sale | 7.1 | 2017-04-11 |
| CALDWELL DONALD R | 10 percent owner | 2017-04-07 | S-Sale | 7.01 | 2017-04-11 |
| CALDWELL DONALD R | 10 percent owner | 2017-04-10 | S-Sale | 7.1 | 2017-04-11 |
| CALDWELL DONALD R | 10 percent owner | 2017-04-05 | S-Sale | 7.01 | 2017-04-07 |
| CALDWELL DONALD R | 10 percent owner | 2017-04-06 | S-Sale | 7 | 2017-04-07 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2017-04-05 | S-Sale | 7.01 | 2017-04-07 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2017-04-06 | S-Sale | 7 | 2017-04-07 |
| CALDWELL DONALD R | 10 percent owner | 2017-04-03 | S-Sale | 7.52 | 2017-04-05 |
| CALDWELL DONALD R | 10 percent owner | 2017-04-04 | S-Sale | 7 | 2017-04-05 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2017-04-03 | S-Sale | 7.52 | 2017-04-05 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2017-04-04 | S-Sale | 7 | 2017-04-05 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2017-03-30 | S-Sale | 7.64 | 2017-04-03 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2017-03-31 | S-Sale | 7.6 | 2017-04-03 |
| CALDWELL DONALD R | 10 percent owner | 2017-03-30 | S-Sale | 7.64 | 2017-04-03 |
| CALDWELL DONALD R | 10 percent owner | 2017-03-31 | S-Sale | 7.6 | 2017-04-03 |
| CALDWELL DONALD R | director, 10 percent owner: | 2016-11-29 | S-Sale | 11.5 | 2016-11-30 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2016-11-29 | S-Sale | 11.5 | 2016-11-30 |
| CALDWELL DONALD R | director, 10 percent owner: | 2016-11-23 | S-Sale | 11.81 | 2016-11-28 |
| CALDWELL DONALD R | director, 10 percent owner: | 2016-11-28 | S-Sale | 11.66 | 2016-11-28 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2016-11-23 | S-Sale | 11.81 | 2016-11-28 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2016-11-28 | S-Sale | 11.66 | 2016-11-28 |
| CALDWELL DONALD R | director, 10 percent owner: | 2016-09-14 | S-Sale | 9 | 2016-09-16 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2016-09-14 | S-Sale | 9 | 2016-09-16 |
| CALDWELL DONALD R | director, 10 percent owner: | 2016-02-19 | C-Conversion | 0 | 2016-02-24 |
| CALDWELL DONALD R | director, 10 percent owner: | 2016-02-19 | C-Conversion | 0 | 2016-02-24 |
| CALDWELL DONALD R | director, 10 percent owner: | 2016-02-10 | A-Award | 0 | 2016-02-16 |
| CALDWELL DONALD R | director, 10 percent owner: | 2015-09-16 | C-Conversion | 0 | 2015-09-17 |
| CALDWELL DONALD R | director, 10 percent owner: | 2015-09-16 | C-Conversion | 0 | 2015-09-17 |
| CALDWELL DONALD R | director | 2015-02-19 | A-Award | 0 | 2015-02-23 |
| CALDWELL DONALD R | director | 2014-09-10 | A-Award | 0 | 2014-09-12 |
| GOLDMAN SACHS GROUP INC | 10 percent owner | 2014-03-26 | C-Conversion | 0.001 | 2014-03-28 |
| GOLDMAN SACHS GROUP INC | 10 percent owner | 2014-03-26 | S-Sale | 12.09 | 2014-03-28 |
| GOLDMAN SACHS GROUP INC | 10 percent owner | 2014-03-26 | C-Conversion | 0 | 2014-03-28 |
| CALDWELL DONALD R | director, 10 percent owner: | 2014-03-26 | C-Conversion | 1972566 | 2014-03-26 |
| CALDWELL DONALD R | director, 10 percent owner: | 2014-03-26 | S-Sale | 13 | 2014-03-26 |
| CALDWELL DONALD R | director, 10 percent owner: | 2014-03-26 | C-Conversion | 2031161 | 2014-03-26 |
| CALDWELL DONALD R | director, 10 percent owner: | 2014-03-26 | C-Conversion | 1462471 | 2014-03-26 |
| CALDWELL DONALD R | director, 10 percent owner: | 2014-03-26 | C-Conversion | 0 | 2014-03-26 |
| CALDWELL DONALD R | director, 10 percent owner: | 2014-03-26 | C-Conversion | 0 | 2014-03-26 |
| CALDWELL DONALD R | director, 10 percent owner: | 2014-03-26 | C-Conversion | 0 | 2014-03-26 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2014-03-26 | C-Conversion | 1972566 | 2014-03-26 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2014-03-26 | S-Sale | 13 | 2014-03-26 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2014-03-26 | C-Conversion | 2031161 | 2014-03-26 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2014-03-26 | C-Conversion | 1462471 | 2014-03-26 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2014-03-26 | C-Conversion | 0 | 2014-03-26 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2014-03-26 | C-Conversion | 0 | 2014-03-26 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2014-03-26 | C-Conversion | 0 | 2014-03-26 |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2014-03-20 | 0 | 2014-03-20 | |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2014-03-20 | 0 | 2014-03-20 | |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2014-03-20 | 0 | 2014-03-20 | |
| Cross Atlantic Capital Partners, Inc. | 10 percent owner | 2014-03-20 | 0 | 2014-03-20 | |
| CALDWELL DONALD R | director, 10 percent owner: | 2014-03-20 | 0 | 2014-03-20 | |
| CALDWELL DONALD R | director, 10 percent owner: | 2014-03-20 | 0 | 2014-03-20 | |
| CALDWELL DONALD R | director, 10 percent owner: | 2014-03-20 | 0 | 2014-03-20 | |
| CALDWELL DONALD R | director, 10 percent owner: | 2014-03-20 | 0 | 2014-03-20 | |
| GOLDMAN SACHS GROUP INC | 10 percent owner | 2014-03-20 | 0 | 2014-03-20 |