Latest insider trades

77 Form 4 trades in our database.

PPurchaseSSaleMOption exerciseAAward/GrantFTax withholdingGGift

Chen Yun-Lungsold5,958 shares ofAMBAat $78.66$469KJul 9 · filed Jul 10Details
Ju Chi-Hongsold10,000 shares ofAMBAat $88.84$888KJul 1 · filed Jul 2Details
Wang Feng-Mingsold16,250 shares ofAMBAat $90.08$1.5MJul 1 · filed Jul 2Details
PAISLEY CHRISTOPHER Bsold250 shares ofAMBAat $62.01$16KJun 26 · filed Jun 30Details
Young John Alexandersold1,847 shares ofAMBAat $66.98$124KJun 17 · filed Jun 18Details
Young John Alexandersold3,186 shares ofAMBAat $67.87$216KJun 17 · filed Jun 18Details
Lee Chan Wsold2,951 shares ofAMBAat $67.87$200KJun 17 · filed Jun 18Details
Ju Chi-Hongsold2,017 shares ofAMBAat $67.87$137KJun 17 · filed Jun 18Details
Wang Feng-Minggifted10,000 shares ofAMBAat $0Jun 17 · filed Jun 18Details
Wang Feng-Mingsold6,204 shares ofAMBAat $67.87$421KJun 17 · filed Jun 18Details
Chen Yun-Lungsold9,856 shares ofAMBAat $67.06$661KJun 12 · filed Jun 16Details
Young John Alexandersold400 shares ofAMBAat $96$38KMay 26 · filed May 28Details
Young John Alexanderexercised400 shares ofAMBAat $55.8$22KMay 26 · filed May 28Details
Wang Feng-Mingsold9,150 shares ofAMBAat $92.049$842KMay 26 · filed May 28Details
Wang Feng-Mingsold6,065 shares ofAMBAat $91.229$553KMay 26 · filed May 28Details
Wang Feng-Mingsold17,285 shares ofAMBAat $90.379$1.6MMay 26 · filed May 28Details
Young John Alexandersold1,971 shares ofAMBAat $60$118KApr 21 · filed Apr 22Details
Young John Alexandersold3,038 shares ofAMBAat $54.14$164KMar 19Details
Young John Alexandergranted5,560 shares ofAMBAat $0Mar 18 · filed Mar 19Details
Young John Alexandersold4,577 shares ofAMBAat $52.77$242KMar 17 · filed Mar 19Details
Young John Alexanderexercised3,556 shares ofAMBAMar 17 · filed Mar 19Details
Chen Yun-Lunggranted2,849 shares ofAMBAat $0Mar 18 · filed Mar 19Details
Chen Yun-Lungexercised4,651 shares ofAMBAMar 17 · filed Mar 19Details
Lee Chan Wsold3,641 shares ofAMBAat $54.14$197KMar 19Details
Lee Chan Wgranted7,320 shares ofAMBAat $0Mar 18 · filed Mar 19Details
Lee Chan Wsold6,729 shares ofAMBAat $52.77$355KMar 17 · filed Mar 19Details
Lee Chan Wexercised13,678 shares ofAMBAMar 17 · filed Mar 19Details
Ju Chi-Hongsold2,155 shares ofAMBAat $54.14$117KMar 19Details
Ju Chi-Honggranted5,930 shares ofAMBAat $0Mar 18 · filed Mar 19Details
Ju Chi-Hongsold4,729 shares ofAMBAat $52.77$250KMar 17 · filed Mar 19Details
Ju Chi-Hongexercised9,553 shares ofAMBAMar 17 · filed Mar 19Details
Wang Feng-Mingsold8,083 shares ofAMBAat $54.14$438KMar 19Details
Wang Feng-Minggranted15,686 shares ofAMBAat $0Mar 18 · filed Mar 19Details
Wang Feng-Mingsold18,976 shares ofAMBAat $52.77$1MMar 17 · filed Mar 19Details
Wang Feng-Mingexercised27,598 shares ofAMBAMar 17 · filed Mar 19Details
Young John Alexandergranted15,201 shares ofAMBAat $0Mar 2 · filed Mar 4Details
Chen Yun-Lunggranted7,220 shares ofAMBAat $0Mar 2 · filed Mar 4Details
Lee Chan Wgranted24,701 shares ofAMBAat $0Mar 2 · filed Mar 4Details
Ju Chi-Honggranted17,329 shares ofAMBAat $0Mar 2 · filed Mar 4Details
Wang Feng-Minggranted53,203 shares ofAMBAat $0Mar 2 · filed Mar 4Details
Wang Feng-Mingsold12,040 shares ofAMBAat $61.424$740KMar 2 · filed Mar 4Details
Wang Feng-Mingsold32,460 shares ofAMBAat $60.913$2MMar 2 · filed Mar 4Details
Wang Feng-Mingsold2,600 shares ofAMBAat $59.527$155KMar 2 · filed Mar 4Details
Wang Feng-Mingsold1,900 shares ofAMBAat $58.77$112KMar 2 · filed Mar 4Details
Wang Feng-Mingsold1,000 shares ofAMBAat $56.832$57KMar 2 · filed Mar 4Details
Wang Feng-Mingexercised50,000 shares ofAMBAat $41.36$2.1MMar 2 · filed Mar 4Details
Bryant Gregory Mgranted2,457 shares ofAMBAat $0Mar 2 · filed Mar 4Details
Ju Chi-Hongsold7,728 shares ofAMBAat $75.583$584KJan 5 · filed Jan 7Details
Ju Chi-Hongsold3,765 shares ofAMBAat $70.32$265KDec 30, 2025 · filed Dec 31, 2025Details
PAISLEY CHRISTOPHER Bsold500 shares ofAMBAat $72.18$36KDec 26, 2025 · filed Dec 29, 2025Details