TickerGuard
Buy Day today: Good (62) Broad market participation · no major macro event

Insider Trading

Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.

All Recent Buys Recent Sells
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A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).
Ticker Insider Title Date Transaction Price ($) Shares Value ($) SEC Form 4
AMBQ Esaka Fumihide Chief Executive Officer 09/15/2026 Verkauf 61.00 100 6,100 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 09/15/2026 Verkauf 60.55 9,615 582,171 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 09/15/2026 Verkauf 59.56 3,785 225,444 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 09/15/2026 Optionsausübung 8.12 13,500 109,620 Form 4
AMBQ Chen Sean Chihhsiang President and COO 09/14/2026 Verkauf 60.83 1,400 85,166 Form 4
AMBQ Chen Sean Chihhsiang President and COO 09/14/2026 Verkauf 60.24 11,000 662,618 Form 4
AMBQ Chen Sean Chihhsiang President and COO 09/14/2026 Verkauf 59.36 2,600 154,346 Form 4
AMBQ Chen Sean Chihhsiang President and COO 09/14/2026 Optionsausübung 8.12 15,000 121,800 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 09/11/2026 Verkauf 63.86 7,917 505,566 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 09/11/2026 Verkauf 63.27 42,083 2,662,427 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 09/11/2026 Optionsausübung 12.60 50,000 630,000 Form 4
AMBQ Zhang Ker Director 09/11/2026 Verkauf 63.95 900 57,552 Form 4
AMBQ Zhang Ker Director 09/11/2026 Verkauf 63.39 9,100 576,809 Form 4
AMBQ Chen Sean Chihhsiang President and COO 09/04/2026 Verkauf 57.68 2,126 122,625 Form 4
AMBQ Chen Sean Chihhsiang President and COO 09/04/2026 Verkauf 57.09 12,874 734,933 Form 4
AMBQ Chen Sean Chihhsiang President and COO 09/04/2026 Optionsausübung 8.12 15,000 121,800 Form 4
AMBQ Zhang Ker Director 09/04/2026 Verkauf 56.92 185 10,530 Form 4
AMBQ Zhang Ker Director 09/04/2026 Optionsausübung 5.88 1,785 10,496 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 09/02/2026 Verkauf 56.77 9,575 543,574 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 09/02/2026 Verkauf 56.15 1,452 81,534 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 09/02/2026 Optionsausübung 12.60 11,027 138,940 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 09/01/2026 Verkauf 56.39 48,973 2,761,534 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 09/01/2026 Optionsausübung 12.60 48,973 617,060 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 08/31/2026 Verkauf 58.46 5,600 327,359 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 08/31/2026 Verkauf 57.70 13,800 796,277 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 08/31/2026 Verkauf 56.81 15,600 886,219 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 08/31/2026 Optionsausübung 12.60 44,271 557,815 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 08/31/2026 Verkauf 58.52 2,100 122,889 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 08/31/2026 Verkauf 57.75 5,501 317,709 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 08/31/2026 Verkauf 56.87 5,899 335,453 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 08/31/2026 Optionsausübung 8.12 13,500 109,620 Form 4
AMBQ Hanson Scott McLean Chief Technology Officer 08/27/2026 Verkauf 60.32 4,910 296,176 Form 4
AMBQ Hanson Scott McLean Chief Technology Officer 08/27/2026 Verkauf 59.69 22,590 1,348,433 Form 4
AMBQ Hanson Scott McLean Chief Technology Officer 08/27/2026 Optionsausübung 8.12 27,500 223,300 Form 4
AMBQ Hanson Scott McLean Chief Technology Officer 08/26/2026 Verkauf 59.58 27,500 1,638,469 Form 4
AMBQ Hanson Scott McLean Chief Technology Officer 08/26/2026 Optionsausübung 8.12 27,500 223,300 Form 4
AMBQ Hanson Scott McLean Chief Technology Officer 08/26/2026 Optionsausübung 8.12 10,000 81,200 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 08/14/2026 Verkauf 65.26 1,500 97,893 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 08/14/2026 Verkauf 64.40 10,718 690,201 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 08/14/2026 Verkauf 63.29 1,282 81,132 Form 4
AMBQ Esaka Fumihide Chief Executive Officer 08/14/2026 Optionsausübung 8.12 13,500 109,620 Form 4
AMBQ Hanson Scott McLean Chief Technology Officer 08/14/2026 Verkauf 64.41 5,400 347,793 Form 4
AMBQ Hanson Scott McLean Chief Technology Officer 08/14/2026 Verkauf 65.30 800 52,241 Form 4
AMBQ Hanson Scott McLean Chief Technology Officer 08/14/2026 Optionsausübung 8.12 7,000 56,840 Form 4

A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).

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