Arkolith/Insider Trading/AMBA

AMBA Insider Trading

Ambarella Inc · full profile →Last filing Jun 17, 2026
Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$9.0M
6 insiders
Net Insider Flow
-$9.0M
open market, 180d
Reporting Insiders
6
23 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Form 4 insider API

Open-market buys and sells, cluster scans, company flows.

insider.transactions

13F holdings API

Owners, holdings, deltas, point-in-time portfolios.

stock.owners

MCP quickstart

Connect an agent, mint a key, make the first call.

/api/mcp

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jun 17, 2026Young John AlexanderCFOSell(S)3K$67.87$216K
Jun 17, 2026Young John AlexanderCFOSell(S)2K$66.98$124K
Jun 17, 2026Lee Chan WChief Operations OfficerSell(S)3K$67.87$200K
Jun 17, 2026Ju Chi-HongSenior VP, Systems & GMSell(S)2K$67.87$137K
Jun 17, 2026Wang Feng-MingCEO, DirectorSell(S)6K$67.87$421K
Jun 17, 2026Wang Feng-MingCEO, DirectorGift(G)10K—$0
Jun 12, 2026Chen Yun-LungVP, Business Development andSell(S)10K$67.06$661K
Mar 19, 2026Wang Feng-MingCEO, DirectorSell(S)8K$54.14$438K
Mar 19, 2026Ju Chi-HongSenior VP, Systems & GM, AsiaSell(S)2K$54.14$117K
Mar 19, 2026Lee Chan WChief Operations OfficerSell(S)4K$54.14$197K
Mar 19, 2026Young John AlexanderCFOSell(S)3K$54.14$164K
Mar 18, 2026Wang Feng-MingCEO, DirectorGrant(A)16K—$0
Mar 18, 2026Ju Chi-HongSenior VP, Systems & GM, AsiaGrant(A)6K—$0
Mar 18, 2026Lee Chan WChief Operations OfficerGrant(A)7K—$0
Mar 18, 2026Chen Yun-LungVP, Business Development and MGrant(A)3K—$0
Mar 18, 2026Young John AlexanderCFOGrant(A)6K—$0
Mar 17, 2026Wang Feng-MingCEO, DirectorOption exercise(M)28K——
Mar 17, 2026Wang Feng-MingCEO, DirectorSell(S)19K$52.77$1.0M
Mar 17, 2026Wang Feng-MingCEO, DirectorOption exercise(M)28K—$0
Mar 17, 2026Ju Chi-HongSenior VP, Systems & GM, AsiaOption exercise(M)10K——
Mar 17, 2026Ju Chi-HongSenior VP, Systems & GM, AsiaSell(S)5K$52.77$250K
Mar 17, 2026Ju Chi-HongSenior VP, Systems & GM, AsiaOption exercise(M)10K—$0
Mar 17, 2026Lee Chan WChief Operations OfficerOption exercise(M)14K——
Mar 17, 2026Lee Chan WChief Operations OfficerSell(S)7K$52.77$355K
Mar 17, 2026Lee Chan WChief Operations OfficerOption exercise(M)14K—$0
Mar 17, 2026Chen Yun-LungVP, Business Development and MOption exercise(M)5K——
Mar 17, 2026Chen Yun-LungVP, Business Development and MOption exercise(M)5K—$0
Mar 17, 2026Young John AlexanderCFOOption exercise(M)4K——
Mar 17, 2026Young John AlexanderCFOSell(S)5K$52.77$242K
Mar 17, 2026Young John AlexanderCFOOption exercise(M)4K—$0
Mar 2, 2026Bryant Gregory MDirectorGrant(A)2K—$0
Mar 2, 2026Wang Feng-MingCEO, DirectorSell(S)3K$59.53$155K
Mar 2, 2026Wang Feng-MingCEO, DirectorSell(S)32K$60.91$2.0M
Mar 2, 2026Wang Feng-MingCEO, DirectorSell(S)12K$61.42$739K
Mar 2, 2026Wang Feng-MingCEO, DirectorGrant(A)53K—$0
Mar 2, 2026Wang Feng-MingCEO, DirectorOption exercise(M)50K$41.36$2.1M
Mar 2, 2026Wang Feng-MingCEO, DirectorSell(S)1K$56.83$57K
Mar 2, 2026Wang Feng-MingCEO, DirectorSell(S)2K$58.77$112K
Mar 2, 2026Wang Feng-MingCEO, DirectorOption exercise(M)50K—$0
Mar 2, 2026Wang Feng-MingCEO, DirectorGrant(A)53K—$0
Mar 2, 2026Ju Chi-HongSenior VP, Systems & GM, AsiaGrant(A)17K—$0
Mar 2, 2026Ju Chi-HongSenior VP, Systems & GM, AsiaGrant(A)17K—$0
Mar 2, 2026Lee Chan WChief Operations OfficerGrant(A)25K—$0
Mar 2, 2026Lee Chan WChief Operations OfficerGrant(A)25K—$0
Mar 2, 2026Chen Yun-LungVP, Business Development and MGrant(A)7K—$0
Mar 2, 2026Chen Yun-LungVP, Business Development and MGrant(A)7K—$0
Mar 2, 2026Young John AlexanderCFOGrant(A)15K—$0
Mar 2, 2026Young John AlexanderCFOGrant(A)15K—$0
Jan 5, 2026Ju Chi-HongSenior VP, Systems & GM, AsiaSell(S)8K$75.58$584K
Dec 30, 2025Ju Chi-HongSenior VP, Systems & GM, AsiaSell(S)8K$70.25$558K
Dec 30, 2025Ju Chi-HongSenior VP, Systems & GM, AsiaSell(S)4K$70.32$265K
Dec 26, 2025Paisley Christopher BDirectorSell(S)500$72.18$36K
Dec 19, 2025Wang Feng-MingCEO, DirectorGift(G)15K—$0
Dec 18, 2025Young John AlexanderCFOSell(S)4K$72.96$277K
Dec 17, 2025Wang Feng-MingCEO, DirectorSell(S)5K$71.82$356K
Dec 17, 2025Ju Chi-HongSenior VP, Systems & GM, AsiaSell(S)1K$71.82$96K
Dec 17, 2025Lee Chan WChief Operations OfficerSell(S)2K$71.82$173K
Dec 17, 2025Young John AlexanderCFOSell(S)3K$71.82$185K
Dec 16, 2025Schwarting Elizabeth MDirectorSell(S)624$72.38$45K
Dec 15, 2025Richardson David JeffreyDirectorGift(G)3K—$0
Dec 15, 2025Richardson David JeffreyDirectorGift(G)3K—$0
Oct 14, 2025Ju Chi-HongSenior VP, Systems & GM, AsiaSell(S)6K$80.96$498K
Oct 13, 2025Ju Chi-HongSenior VP, Systems & GM, AsiaSell(S)5K$81.29$411K
Oct 6, 2025Schwarting Elizabeth MDirectorSell(S)3K$85.38$227K
Sep 17, 2025Wang Feng-MingCEO, DirectorSell(S)5K$79.43$391K
Sep 17, 2025Ju Chi-HongSr. Vice President, SystemsSell(S)1K$79.43$93K
Sep 17, 2025Kohn LeslieChief Technology Officer, DirectorSell(S)2K$79.43$179K
Sep 17, 2025Lee Chan WChief Operating OfficerSell(S)2K$79.43$155K
Sep 17, 2025Young John AlexanderCFOSell(S)3K$79.43$204K
Sep 10, 2025Chen Yun-LungVP, Business DevelopmentSell(S)8K$84.42$717K
Sep 2, 2025Hu ChenmingDirectorGrant(A)2K—$0
Sep 2, 2025Paisley Christopher BDirectorGrant(A)2K—$0
Sep 2, 2025Richardson David JeffreyDirectorGrant(A)2K—$0
Sep 2, 2025Hon Hsiao-WuenDirectorGrant(A)2K—$0
Sep 2, 2025Schwarting Elizabeth MDirectorGrant(A)2K—$0
Sep 2, 2025Breithaupt Chantelle YvetteDirectorGrant(A)2K—$0
Jun 25, 2025Paisley Christopher BDirectorSell(S)1K$62.58$63K
Jun 17, 2025Wang Feng-MingCEO, DirectorSell(S)5K$52.26$244K
Jun 17, 2025Ju Chi-HongSr. Vice President, SystemsSell(S)1K$52.26$58K
Jun 17, 2025Kohn LeslieChief Technology Officer, DirectorSell(S)2K$52.26$90K
Jun 17, 2025Lee Chan WChief Operating OfficerSell(S)2K$52.26$84K
Jun 17, 2025Day ChristopherVP, MarketingSell(S)342$52.26$18K
Jun 17, 2025Young John AlexanderCFOSell(S)2K$52.26$127K
Mar 25, 2025Paisley Christopher BDirectorSell(S)500$55.50$28K
Mar 18, 2025Wang Feng-MingCEO, DirectorSell(S)3K$55.02$176K
Mar 18, 2025Ju Chi-HongSr. Vice President, SystemsSell(S)1K$55.02$57K
Mar 18, 2025Kohn LeslieChief Technology Officer, DirectorSell(S)2K$55.02$87K
Mar 18, 2025Lee Chan WChief Operating OfficerSell(S)1K$55.02$81K
Mar 18, 2025Day ChristopherVP, MarketingSell(S)479$55.02$26K
Mar 18, 2025Young John AlexanderCFOSell(S)2K$55.02$116K
Mar 17, 2025Schwarting Elizabeth MDirectorDisposed to issuer(D)422$55.90$24K
Mar 6, 2025Wang Feng-MingCEO, DirectorSell(S)4K$55.11$226K
Mar 6, 2025Ju Chi-HongSr. Vice President, SystemsSell(S)2K$55.11$102K
Mar 6, 2025Kohn LeslieChief Technology Officer, DirectorSell(S)2K$55.11$128K
Mar 6, 2025Lee Chan WChief Operating OfficerSell(S)2K$55.11$116K
Mar 6, 2025Day ChristopherVP, MarketingSell(S)834$55.11$46K
Mar 6, 2025Young John AlexanderCFOSell(S)3K$55.11$147K
Mar 5, 2025Wang Feng-MingCEO, DirectorGrant(A)11K—$0
Mar 5, 2025Ju Chi-HongSr. Vice President, SystemsGrant(A)5K—$0
Mar 5, 2025Kohn LeslieChief Technology Officer, DirectorGrant(A)6K—$0

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).