AMBQ Stock: Insider Activity, Filings & Research

Ambiq Micro, Inc. (AMBQ) — Drillr’s hub for AMBQ insider activity, SEC filings, earnings signals and AI research. Over the trailing 3 months, AMBQ insiders filed 0 open-market buys and 14 sales (SEC Form 4).

AMBQ insider trading activity (SEC Form 4)

Sentiment
0/100
Buys (3m)
0
Sells (3m)
14
Net (3m)
-$16.3M
Insider trades by month Buys Sells
Jan
Apr
May
Context3-month price +195%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
May 29, 2026Chen TimothydirectorSell22,414$78.85
May 29, 2026Chen TimothydirectorSell3,264$81.57
May 29, 2026Chen TimothydirectorSell20,666$80.61
May 29, 2026Chen TimothydirectorSell24,248$79.72
May 18, 2026Winzeler Jeffrey Gofficer: Chief Financial OfficerSell82$70.65
May 18, 2026Winzeler Jeffrey Gofficer: Chief Financial OfficerOption26,000$16.80
May 18, 2026Winzeler Jeffrey Gofficer: Chief Financial OfficerSell25,918$69.90
May 18, 2026Winzeler Jeffrey Gofficer: Chief Financial OfficerOption5,952$16.80
May 18, 2026Hanson Scott McLeandirector, officer: Chief Technology OfficerOption10,200$8.12
May 18, 2026Hanson Scott McLeandirector, officer: Chief Technology OfficerSell3,900$68.62
May 18, 2026Hanson Scott McLeandirector, officer: Chief Technology OfficerSell6,100$69.59
May 18, 2026Hanson Scott McLeandirector, officer: Chief Technology OfficerSell200$70.50
May 18, 2026Hanson Scott McLeandirector, officer: Chief Technology OfficerOption8,100$8.12
May 18, 2026Chen Sean Chihhsiangofficer: President and COOOption55,685$5.88
May 18, 2026Chen Sean Chihhsiangofficer: President and COOSell32,351$70.53

Source: AMBQ SEC Form 4 filings, latest May 29, 2026. For informational purposes only — not investment advice.

Track AMBQ with Drillr

SEC filings, earnings calls, insider activity, alt-data signals — all queryable through Drillr's AI terminal and MCP API.

Try Drillr for free