Form 4 Tracker
AMBARELLA INC
AMBA

14 insider filings · Latest: Apr 21, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Oct 14, 2025Oct 14 8:05 PMCHIHONG JOHN JU
Proposed Sale
6,156$80.96$498.4K

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Oct 13, 2025Oct 14 12:52 PMCHIHONG JOHN JU
Proposed Sale
5,057$81.29$411.1K

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Oct 6, 2025Oct 6 8:32 PMELIZABETH M SCHWARTING
Proposed Sale
2,664$85.38$227.4K

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Sep 22, 2025Sep 22 8:12 PMCHRISTOPHER DAY
Proposed Sale
1,000$89.00$89.0K

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Sep 19, 2025Sep 19 8:04 PMCHRISTOPHER DAY
Proposed Sale
1,000$84.00$84.0K

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Sep 18, 2025Sep 18 9:14 PMCHRISTOPHER DAY
Proposed Sale
829$82.50$68.4K

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Sep 10, 2025Sep 10 8:12 PMYUN-LUNG CHEN
Proposed Sale
8,492$84.42$716.9K

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Sep 8, 2025Sep 8 8:05 PMCHRISTOPHER DAY
Proposed Sale
1,772$85.00$150.6K

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Jul 14, 2025Jul 14 8:54 PMCHRISTOPHER DAY
Proposed Sale
2,907$66.83$194.3K

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Jun 25, 2025Jun 25 3:27 PMPAISLEY CHRISTOPHER B
Proposed Sale
1,000$62.58$62.6K

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Mar 25, 2025Mar 25 2:40 PMPAISLEY CHRISTOPHER B
Proposed Sale
500$55.50$27.8K

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Jan 16, 2025Jan 16 3:11 PMLee Chan W
Proposed Sale
1,000$77.21$77.2K

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Jan 15, 2025Jan 15 2:37 PMLee Chan W
Proposed Sale
1,000$75.90$75.9K

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Jan 14, 2025Jan 14 2:41 PMLee Chan W
Proposed Sale
1,000$75.68$75.7K

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Jan 13, 2025Jan 13 2:40 PMLee Chan W
Proposed Sale
1,000$73.50$73.5K

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Jan 10, 2025Jan 10 2:57 PMLee Chan W
Proposed Sale
1,000$74.12$74.1K

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Jan 8, 2025Jan 8 2:41 PMLee Chan W
Proposed Sale
1,000$73.48$73.5K

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Jan 7, 2025Jan 7 3:44 PMLee Chan W
Proposed Sale
1,000$78.73$78.7K

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Jan 6, 2025Jan 6 3:48 PMLee Chan W
Proposed Sale
1,000$79.15$79.2K

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Jan 3, 2025Jan 3 9:46 PMDay Christopher
Proposed Sale
1,247$78.10$97.4K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Mar 17, 2026Mar 19 10:42 PMJohn Alexander YoungCFO
Option Exercise
3,5560(D)

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Mar 17, 2026Mar 19 10:42 PMYun-Lung ChenVP, Business Development and M
Option Exercise
4,6510(D)

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Mar 17, 2026Mar 19 10:41 PMChan W LeeChief Operations Officer
Option Exercise
13,6780(D)

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Mar 17, 2026Mar 19 10:39 PMChi-Hong JuSenior VP, Systems & GM, Asia
Option Exercise
9,5530(D)

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Mar 17, 2026Mar 19 10:39 PMFeng-Ming WangDirector, CEO
Option Exercise
27,5980(D)

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Mar 2, 2026Mar 4 10:39 PMJohn Alexander YoungCFO
Grant/Award
15,20115,201(D)

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Mar 2, 2026Mar 4 10:39 PMYun-Lung ChenVP, Business Development and M
Grant/Award
7,2207,220(D)

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Mar 2, 2026Mar 4 10:39 PMChan W LeeChief Operations Officer
Grant/Award
24,70124,701(D)

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Mar 2, 2026Mar 4 10:38 PMChi-Hong JuSenior VP, Systems & GM, Asia
Grant/Award
17,32917,329(D)

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Mar 2, 2026Mar 4 10:36 PMFeng-Ming WangDirector, CEO
Grant/Award
53,20353,203(D)

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Mar 2, 2026Mar 4 10:36 PMFeng-Ming WangDirector, CEO
Option Exercise
50,000$41.360(D)

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