$AMBQ 4 SEC Filings

Filed On	Filing
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)
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)
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)
09 Sep 2026	Form 4: Zhang Ker, Director Received 1,785 shares by exercise or conversion ($10.5K) · Sold 185 shares ($10.5K)
02 Sep 2026	Form 4: Esaka Fumihide, Director Received 57,771 shares by exercise or conversion ($667K) · Sold 48,500 shares ($2.79M) · Received 48,973 shares by exercise or conversion ($617K) · 3 more
28 Aug 2026	Form 4: Hanson Scott McLean, Director Received 37,500 shares by exercise or conversion ($305K) · Sold 27,500 shares ($1.64M) · Received 27,500 shares by exercise or conversion ($223K) · 1 more
18 Aug 2026	Form 4: Hanson Scott McLean, Director Received 7,000 shares by exercise or conversion ($56.8K) · Sold 7,000 shares ($451K)
18 Aug 2026	Form 4: Esaka Fumihide, Director Received 13,500 shares by exercise or conversion ($110K) · Sold 13,500 shares ($869K)
10 Jun 2026	Form 4: Hsieh Wen Hsuan, Director Received 4,957 shares as a grant or award
10 Jun 2026	Form 4: Chen Timothy, Director Received 4,957 shares as a grant or award
10 Jun 2026	Form 4: Banks Bernard Bennett, Director Received 4,957 shares as a grant or award

Comments