$AMBQ SEC Filings

Filed On	Filing
27 Oct 2026	SCHEDULE 13G/A
16 Oct 2026	Form 4: Chen Sean Chihhsiang, President and COO Received 15,000 shares by exercise or conversion ($122K) · Sold 15,000 shares ($772K)
16 Oct 2026	Form 4: Esaka Fumihide, Director Received 5,000 shares by exercise or conversion ($40.6K) · Sold 5,000 shares ($255K)
16 Oct 2026	Form 4: Hanson Scott McLean, Director Received 7,000 shares by exercise or conversion ($56.8K) · Sold 7,000 shares ($357K)
06 Oct 2026	Form 4: Chen Sean Chihhsiang, President and COO Sold 5,802 shares ($404K) · Sold 8,205 shares ($548K)
06 Oct 2026	Form 4: Esaka Fumihide, Director Sold 16,560 shares ($1.15M)
06 Oct 2026	Form 4: Hanson Scott McLean, Director Sold 8,680 shares ($604K)
06 Oct 2026	Form 4: Winzeler Jeffrey G, Chief Financial Officer Sold 5,455 shares ($380K)
05 Oct 2026	144
02 Oct 2026	144
02 Oct 2026	144
02 Oct 2026	144
02 Oct 2026	144
17 Sep 2026	Form 4: Hanson Scott McLean, Director Received 7,000 shares by exercise or conversion ($56.8K) · Sold 7,000 shares ($422K)
15 Sep 2026	Form 4: Chen Sean Chihhsiang, President and COO Received 15,000 shares by exercise or conversion ($122K) · Sold 15,000 shares ($902K)
15 Sep 2026	Form 4: Esaka Fumihide, Director Received 50,000 shares by exercise or conversion ($630K) · Sold 50,000 shares ($3.17M) · Received 13,500 shares by exercise or conversion ($110K) · 1 more
15 Sep 2026	Form 4: Zhang Ker, Director Sold 10,000 shares ($634K)
11 Sep 2026	144
11 Sep 2026	144
09 Sep 2026	Form 4: Chen Sean Chihhsiang, President and COO Received 15,000 shares by exercise or conversion ($122K) · Sold 15,000 shares ($858K)

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