AMBQ Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$16.9M
7 insiders
Net Insider Flow
-$16.9M
open market, 180d
Reporting Insiders
7
16 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.

Recent Form 4 Transactions

69 shown
DateInsiderRoleActionSharesPriceValue
Jun 8, 2026Banks Bernard BennettDirectorGrant(A)5K$0
Jun 8, 2026Zhang KerDirectorGrant(A)5K$0
Jun 8, 2026Chen TimothyDirectorGrant(A)5K$0
Jun 8, 2026Tautges Joseph ADirectorGrant(A)5K$0
Jun 8, 2026HSIEH Wen HsuanDirectorGrant(A)5K$0
Jun 2, 2026Winzeler Jeffrey GChief Financial OfficerOption exercise(M)6K$16.80$100K
Jun 2, 2026Winzeler Jeffrey GChief Financial OfficerOption exercise(M)6K$0
May 27, 2026Chen TimothyDirectorSell(S)3K$81.57$266K
May 27, 2026Chen TimothyDirectorSell(S)21K$80.61$1.7M
May 27, 2026Chen TimothyDirectorSell(S)24K$79.72$1.9M
May 27, 2026Chen TimothyDirectorSell(S)22K$78.85$1.8M
May 15, 2026Winzeler Jeffrey GChief Financial OfficerOption exercise(M)6K$16.80$100K
May 15, 2026Winzeler Jeffrey GChief Financial OfficerOption exercise(M)6K$0
May 15, 2026Hanson Scott McLeanChief Technology Officer, DirectorOption exercise(M)8K$8.12$66K
May 15, 2026Hanson Scott McLeanChief Technology Officer, DirectorOption exercise(M)8K$0
May 15, 2026Esaka FumihideChief Executive Officer, DirectorOption exercise(M)45K$8.12$369K
May 15, 2026Esaka FumihideChief Executive Officer, DirectorOption exercise(M)15K$12.60$183K
May 15, 2026Esaka FumihideChief Executive Officer, DirectorOption exercise(M)45K$0
May 15, 2026Esaka FumihideChief Executive Officer, DirectorOption exercise(M)8K$0
May 15, 2026Esaka FumihideChief Executive Officer, DirectorOption exercise(M)7K$0
May 15, 2026Chen Sean ChihhsiangPresident and COOOption exercise(M)56K$5.88$327K
May 15, 2026Chen Sean ChihhsiangPresident and COOSell(S)32K$70.53$2.3M
May 15, 2026Chen Sean ChihhsiangPresident and COOSell(S)23K$71.37$1.7M
May 15, 2026Chen Sean ChihhsiangPresident and COOOption exercise(M)56K$0
May 14, 2026Winzeler Jeffrey GChief Financial OfficerOption exercise(M)26K$16.80$437K
May 14, 2026Winzeler Jeffrey GChief Financial OfficerSell(S)26K$69.90$1.8M
May 14, 2026Winzeler Jeffrey GChief Financial OfficerSell(S)82$70.65$6K
May 14, 2026Winzeler Jeffrey GChief Financial OfficerOption exercise(M)26K$0
May 14, 2026Hanson Scott McLeanChief Technology Officer, DirectorOption exercise(M)10K$8.12$83K
May 14, 2026Hanson Scott McLeanChief Technology Officer, DirectorSell(S)4K$68.62$268K
May 14, 2026Hanson Scott McLeanChief Technology Officer, DirectorSell(S)6K$69.59$425K
May 14, 2026Hanson Scott McLeanChief Technology Officer, DirectorSell(S)200$70.50$14K
May 14, 2026Hanson Scott McLeanChief Technology Officer, DirectorOption exercise(M)10K$0
May 14, 2026Esaka FumihideChief Executive Officer, DirectorOption exercise(M)60K$8.12$487K
May 14, 2026Esaka FumihideChief Executive Officer, DirectorSell(S)60K$70.02$4.2M
May 14, 2026Esaka FumihideChief Executive Officer, DirectorOption exercise(M)60K$0
Apr 2, 2026Connors Michele KimGeneral CounselSell(S)660$26.04$17K
Apr 2, 2026Connors Michele KimGeneral CounselSell(S)151$26.65$4K
Mar 6, 2026Esaka FumihideChief Executive Officer, DirectorGrant(A)161K$0
Mar 6, 2026Chen Sean ChihhsiangPresident and COOGrant(A)64K$0
Mar 6, 2026Connors Michele KimGeneral CounselGrant(A)32K$0
Mar 6, 2026Winzeler Jeffrey GChief Financial OfficerGrant(A)42K$0
Mar 6, 2026Hanson Scott McLeanChief Technology Officer, DirectorGrant(A)80K$0
Feb 18, 2026HSIEH Wen HsuanDirectorOption exercise(M)239K$12.60$3.0M
Feb 18, 2026HSIEH Wen HsuanDirectorOption exercise(M)239K$0
Jan 26, 2026Tautges Joseph ADirectorSell(S)8K$31.00$242K
Jan 26, 2026Hanson Scott McLeanChief Technology Officer, DirectorSell(S)10K$31.00$310K
Jan 5, 2026Connors Michele KimGeneral CounselGrant(A)24K$0
Jan 5, 2026Connors Michele KimGeneral CounselGrant(A)5K$0
Oct 7, 2025Esaka FumihideChief Executive Officer, DirectorOption exercise(M)54K$5.88$316K
Oct 7, 2025Esaka FumihideChief Executive Officer, DirectorOption exercise(M)54K$0
Oct 2, 2025Winzeler Jeffrey GChief Financial OfficerGrant(A)53K$0
Oct 2, 2025Hanson Scott McLeanChief Financial Officer, DirectorGrant(A)84K$0
Oct 2, 2025Esaka FumihideChief Executive Officer, DirectorGrant(A)160K$0
Oct 2, 2025Chen Sean ChihhsiangPresident and COOGrant(A)56K$0
Jul 31, 2025Chen TimothyDirectorConversion(C)1.7M$0
Jul 31, 2025Chen TimothyDirectorConversion(C)71K
Jul 31, 2025HSIEH Wen HsuanDirectorConversion(C)395K
Jul 31, 2025HSIEH Wen HsuanDirectorConversion(C)395K$0
Jul 31, 2025Kleiner Perkins Caufield & Byers XVI, LLC10% OwnerConversion(C)195K
Jul 31, 2025Kleiner Perkins Caufield & Byers XVI, LLC10% OwnerConversion(C)748K
Jul 31, 2025Kleiner Perkins Caufield & Byers XVI, LLC10% OwnerConversion(C)99K
Jul 31, 2025Kleiner Perkins Caufield & Byers XVI, LLC10% OwnerConversion(C)23K
Jul 31, 2025Kleiner Perkins Caufield & Byers XVI, LLC10% OwnerConversion(C)99K$0
Jul 31, 2025Kleiner Perkins Caufield & Byers XVI, LLC10% OwnerConversion(C)171K$0
Jul 31, 2025Kleiner Perkins Caufield & Byers XVI, LLC10% OwnerConversion(C)23K$0
Jul 31, 2025Kleiner Perkins Caufield & Byers XVI, LLC10% OwnerConversion(C)748K$0
Jul 29, 2025Tautges Joseph ADirectorGrant(A)57K$0
Jul 29, 2025Zhang KerDirectorGrant(A)24K$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.

Coverage: Form 4 filings indexed 2021-01-042026-07-21. Earlier history is backfilling; this window widens as it deepens.

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