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Ambarella Inc - AMBA
Officers
Directors
Officer & Directors
10 Percent
All
All Sectors
Manufacturing
Electronics
Semiconductors & Related Devices
Include option trades
Include indirect trades
Latest data: 1/29/2026 10:05:26 PM
EDGAR CIK
0001280263
1 Month
3 Month
6 Month
1 Year
2 Years
Buy Breakdown
Total $0
No buy transactions for this time period.
Sell Breakdown
Total $7,468,717
Monthly Totals
Transaction
Filed
Name
Type
Shares @ Price
Value
Balance change
Ownership
01/05/2026
01/07/2026
Ju Chi-Hong
Senior VP, Systems & GM, Asia
Officer
Sell
-7,728 @ $75.58
($584,105.42)
146,039
(-5.03%)
Direct
12/30/2025
01/23/2026
Ju Chi-Hong
Senior VP, Systems & GM, Asia
Officer
Sell
-7,945 @ $70.25
($558,136.25)
149,587
(-5.04%)
Direct
12/30/2025
12/31/2025
Ju Chi-Hong
Senior VP, Systems & GM, Asia
Officer
Sell
-3,765 @ $70.32
($264,754.80)
153,767
(-2.39%)
Direct
12/26/2025
12/29/2025
Paisley Christopher B
Director
Sell
-500 @ $72.18
($36,090.00)
41,279
(-1.20%)
Direct
12/18/2025
12/19/2025
Young John Alexander
CFO
CFO
Sell
-3,791 @ $72.96
($276,591.36)
102,738
(-3.56%)
Direct
12/17/2025
12/19/2025
Ju Chi-Hong
Senior VP, Systems & GM, Asia
Officer
Sell
-1,342 @ $71.82
($96,382.44)
157,532
(-0.84%)
Direct
12/17/2025
12/19/2025
Lee Chan W
Chief Operations Officer
Officer
Sell
-2,406 @ $71.82
($172,798.92)
124,566
(-1.89%)
Direct
12/17/2025
12/19/2025
Wang Feng-Ming
CEO
CEO
Director
Sell
-4,950 @ $71.82
($355,509.00)
783,979
(-0.63%)
Direct
12/17/2025
12/19/2025
Young John Alexander
CFO
CFO
Sell
-2,579 @ $71.82
($185,223.78)
106,529
(-2.36%)
Direct
12/16/2025
12/18/2025
Schwarting Elizabeth M
Director
Sell
-624 @ $72.38
($45,163.31)
6,690
(-8.53%)
Direct
10/14/2025
10/15/2025
Ju Chi-Hong
Senior VP, Systems & GM, Asia
Officer
Sell
-6,156 @ $80.96
($498,389.76)
158,874
(-3.73%)
Direct
10/13/2025
10/15/2025
Ju Chi-Hong
Senior VP, Systems & GM, Asia
Officer
Sell
-5,057 @ $81.29
($411,093.14)
165,030
(-2.97%)
Direct
10/06/2025
10/08/2025
Schwarting Elizabeth M
Director
Sell
-2,664 @ $85.38
($227,444.86)
7,314
(-26.70%)
Direct
09/17/2025
09/19/2025
Ju Chi-Hong
Sr. Vice President, Systems
Officer
Sell
-1,168 @ $79.43
($92,774.24)
170,087
(-0.68%)
Direct
09/17/2025
09/19/2025
Kohn Leslie
Chief Technology Officer
Officer
Director
Sell
-2,249 @ $79.43
($178,638.07)
977,428
(-0.23%)
Direct
09/17/2025
09/19/2025
Lee Chan W
Chief Operating Officer
Officer
Sell
-1,947 @ $79.43
($154,650.21)
126,972
(-1.51%)
Direct
09/17/2025
09/19/2025
Wang Feng-Ming
CEO
CEO
Director
Sell
-4,928 @ $79.43
($391,431.04)
788,929
(-0.62%)
Direct
09/17/2025
09/19/2025
Young John Alexander
CFO
CFO
Sell
-2,566 @ $79.43
($203,817.38)
109,108
(-2.30%)
Direct
09/10/2025
09/12/2025
Chen Yun-Lung
VP, Business Development
Officer
Sell
-8,492 @ $84.42
($716,894.64)
61,651
(-12.11%)
Direct
06/25/2025
10b5-1
06/27/2025
Paisley Christopher B
Director
Sell
-1,000 @ $62.58
($62,580.00)
39,281
(-2.48%)
Direct
06/17/2025
06/20/2025
Day Christopher
VP, Marketing
Officer
Sell
-342 @ $52.26
($17,872.92)
15,099
(-2.21%)
Direct
06/17/2025
06/20/2025
Ju Chi-Hong
Sr. Vice President, Systems
Officer
Sell
-1,108 @ $52.26
($57,904.08)
171,032
(-0.64%)
Direct
06/17/2025
06/20/2025
Kohn Leslie
Chief Technology Officer
Officer
Director
Sell
-1,715 @ $52.26
($89,625.90)
979,677
(-0.17%)
Direct
06/17/2025
06/20/2025
Lee Chan W
Chief Operating Officer
Officer
Sell
-1,601 @ $52.26
($83,668.26)
128,696
(-1.23%)
Direct
06/17/2025
06/20/2025
Wang Feng-Ming
CEO
CEO
Director
Sell
-4,677 @ $52.26
($244,420.02)
793,634
(-0.59%)
Direct
06/17/2025
06/20/2025
Young John Alexander
CFO
CFO
Sell
-2,435 @ $52.26
($127,253.10)
111,451
(-2.14%)
Direct
03/25/2025
10b5-1
03/26/2025
Paisley Christopher B
Director
Sell
-500 @ $55.50
($27,750.00)
40,281
(-1.23%)
Direct
03/18/2025
03/20/2025
Day Christopher
VP, Marketing
Officer
Sell
-479 @ $55.02
($26,354.58)
15,441
(-3.01%)
Direct
03/18/2025
03/20/2025
Ju Chi-Hong
Sr. Vice President, Systems
Officer
Sell
-1,034 @ $55.02
($56,890.68)
172,140
(-0.60%)
Direct
03/18/2025
03/20/2025
Kohn Leslie
Chief Technology Officer
Officer
Director
Sell
-1,584 @ $55.02
($87,151.68)
981,392
(-0.16%)
Direct
03/18/2025
03/20/2025
Lee Chan W
Chief Operating Officer
Officer
Sell
-1,468 @ $55.02
($80,769.36)
130,297
(-1.11%)
Direct
03/18/2025
03/20/2025
Wang Feng-Ming
CEO
CEO
Director
Sell
-3,194 @ $55.02
($175,733.88)
798,311
(-0.40%)
Direct
03/18/2025
03/20/2025
Young John Alexander
CFO
CFO
Sell
-2,103 @ $55.02
($115,707.06)
113,886
(-1.81%)
Direct
03/06/2025
03/07/2025
Day Christopher
VP, Marketing
Officer
Sell
-834 @ $55.11
($45,961.74)
15,686
(-5.05%)
Direct
03/06/2025
03/07/2025
Ju Chi-Hong
Sr. Vice President, Systems
Officer
Sell
-1,859 @ $55.11
($102,449.49)
172,940
(-1.06%)
Direct
03/06/2025
03/07/2025
Kohn Leslie
Chief Technology Officer
Officer
Director
Sell
-2,316 @ $55.11
($127,634.76)
982,976
(-0.24%)
Direct
03/06/2025
03/07/2025
Lee Chan W
Chief Operating Officer
Officer
Sell
-2,108 @ $55.11
($116,171.88)
131,531
(-1.58%)
Direct
03/06/2025
03/07/2025
Wang Feng-Ming
CEO
CEO
Director
Sell
-4,104 @ $55.11
($226,171.44)
801,271
(-0.51%)
Direct
03/06/2025
03/07/2025
Young John Alexander
CFO
CFO
Sell
-2,663 @ $55.11
($146,757.93)
115,755
(-2.25%)
Direct