Company
AMBQ · CIK 0001500412
Acquisition (code M) of 7,000 shares at $8.12 per share.
Reporting Person Hanson Scott McLean · Officer Title Chief Technology Officer · Transaction Code M
Traded Sep 15, 2026 · Disclosed Sep 17, 2026
Source: SEC Form 4 · 0002078339-26-000014 · filed 2026-09-17 · View filing →
Sale of 1,953 shares at $59.5339 per share.
Reporting Person Hanson Scott McLean · Officer Title Chief Technology Officer · Transaction Code S
Traded Sep 15, 2026 · Disclosed Sep 17, 2026
Source: SEC Form 4 · 0002078339-26-000014 · filed 2026-09-17 · View filing →
Sale of 4,947 shares at $60.5564 per share.
Reporting Person Hanson Scott McLean · Officer Title Chief Technology Officer · Transaction Code S
Traded Sep 15, 2026 · Disclosed Sep 17, 2026
Source: SEC Form 4 · 0002078339-26-000014 · filed 2026-09-17 · View filing →
Sale of 100 shares at $61 per share.
Reporting Person Hanson Scott McLean · Officer Title Chief Technology Officer · Transaction Code S
Traded Sep 15, 2026 · Disclosed Sep 17, 2026
Source: SEC Form 4 · 0002078339-26-000014 · filed 2026-09-17 · View filing →
Acquisition (code M) of 13,500 shares at $8.12 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code M
Traded Sep 15, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0002078454-26-000014 · filed 2026-09-15 · View filing →
Sale of 3,785 shares at $59.5626 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Sep 15, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0002078454-26-000014 · filed 2026-09-15 · View filing →
Sale of 9,615 shares at $60.5482 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Sep 15, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0002078454-26-000014 · filed 2026-09-15 · View filing →
Sale of 100 shares at $61 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Sep 15, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0002078454-26-000014 · filed 2026-09-15 · View filing →
Acquisition (code M) of 15,000 shares at $8.12 per share.
Reporting Person Chen Sean Chihhsiang · Officer Title President and COO · Transaction Code M
Traded Sep 14, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0002078559-26-000010 · filed 2026-09-15 · View filing →
Sale of 2,600 shares at $59.3637 per share.
Reporting Person Chen Sean Chihhsiang · Officer Title President and COO · Transaction Code S
Traded Sep 14, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0002078559-26-000010 · filed 2026-09-15 · View filing →
Sale of 11,000 shares at $60.238 per share.
Reporting Person Chen Sean Chihhsiang · Officer Title President and COO · Transaction Code S
Traded Sep 14, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0002078559-26-000010 · filed 2026-09-15 · View filing →
Sale of 1,400 shares at $60.8332 per share.
Reporting Person Chen Sean Chihhsiang · Officer Title President and COO · Transaction Code S
Traded Sep 14, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0002078559-26-000010 · filed 2026-09-15 · View filing →
Sale of 9,100 shares at $63.3856 per share.
Reporting Person ZHANG KER · Transaction Code S
Traded Sep 11, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0001266870-26-000006 · filed 2026-09-15 · View filing →
Sale of 900 shares at $63.9467 per share.
Reporting Person ZHANG KER · Transaction Code S
Traded Sep 11, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0001266870-26-000006 · filed 2026-09-15 · View filing →
Acquisition (code M) of 50,000 shares at $12.6 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code M
Traded Sep 11, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0002078454-26-000014 · filed 2026-09-15 · View filing →
Sale of 42,083 shares at $63.2661 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Sep 11, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0002078454-26-000014 · filed 2026-09-15 · View filing →
Sale of 7,917 shares at $63.8583 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Sep 11, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0002078454-26-000014 · filed 2026-09-15 · View filing →
Acquisition (code M) of 1,785 shares at $5.88 per share.
Reporting Person ZHANG KER · Transaction Code M
Traded Sep 4, 2026 · Disclosed Sep 9, 2026
Source: SEC Form 4 · 0001266870-26-000004 · filed 2026-09-09 · View filing →
Sale of 185 shares at $56.92 per share.
Reporting Person ZHANG KER · Transaction Code S
Traded Sep 4, 2026 · Disclosed Sep 9, 2026
Source: SEC Form 4 · 0001266870-26-000004 · filed 2026-09-09 · View filing →
Acquisition (code M) of 15,000 shares at $8.12 per share.
Reporting Person Chen Sean Chihhsiang · Officer Title President and COO · Transaction Code M
Traded Sep 4, 2026 · Disclosed Sep 9, 2026
Source: SEC Form 4 · 0002078559-26-000008 · filed 2026-09-09 · View filing →
Sale of 12,874 shares at $57.0866 per share.
Reporting Person Chen Sean Chihhsiang · Officer Title President and COO · Transaction Code S
Traded Sep 4, 2026 · Disclosed Sep 9, 2026
Source: SEC Form 4 · 0002078559-26-000008 · filed 2026-09-09 · View filing →
Sale of 2,126 shares at $57.6786 per share.
Reporting Person Chen Sean Chihhsiang · Officer Title President and COO · Transaction Code S
Traded Sep 4, 2026 · Disclosed Sep 9, 2026
Source: SEC Form 4 · 0002078559-26-000008 · filed 2026-09-09 · View filing →
Acquisition (code M) of 11,027 shares at $12.6 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code M
Traded Sep 2, 2026 · Disclosed Sep 2, 2026
Source: SEC Form 4 · 0002078454-26-000012 · filed 2026-09-02 · View filing →
Sale of 1,452 shares at $56.1529 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Sep 2, 2026 · Disclosed Sep 2, 2026
Source: SEC Form 4 · 0002078454-26-000012 · filed 2026-09-02 · View filing →
Sale of 9,575 shares at $56.7701 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Sep 2, 2026 · Disclosed Sep 2, 2026
Source: SEC Form 4 · 0002078454-26-000012 · filed 2026-09-02 · View filing →
Sale of 48,973 shares at $56.3889 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Sep 1, 2026 · Disclosed Sep 2, 2026
Source: SEC Form 4 · 0002078454-26-000012 · filed 2026-09-02 · View filing →
Acquisition (code M) of 48,973 shares at $12.6 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code M
Traded Sep 1, 2026 · Disclosed Sep 2, 2026
Source: SEC Form 4 · 0002078454-26-000012 · filed 2026-09-02 · View filing →
Acquisition (code M) of 13,500 shares at $8.12 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code M
Traded Aug 31, 2026 · Disclosed Sep 2, 2026
Source: SEC Form 4 · 0002078454-26-000012 · filed 2026-09-02 · View filing →
Sale of 5,899 shares at $56.866 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Aug 31, 2026 · Disclosed Sep 2, 2026
Source: SEC Form 4 · 0002078454-26-000012 · filed 2026-09-02 · View filing →
Sale of 5,501 shares at $57.7547 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Aug 31, 2026 · Disclosed Sep 2, 2026
Source: SEC Form 4 · 0002078454-26-000012 · filed 2026-09-02 · View filing →
Sale of 2,100 shares at $58.5186 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Aug 31, 2026 · Disclosed Sep 2, 2026
Source: SEC Form 4 · 0002078454-26-000012 · filed 2026-09-02 · View filing →
Acquisition (code M) of 44,271 shares at $12.6 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code M
Traded Aug 31, 2026 · Disclosed Sep 2, 2026
Source: SEC Form 4 · 0002078454-26-000012 · filed 2026-09-02 · View filing →
Sale of 15,600 shares at $56.8089 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Aug 31, 2026 · Disclosed Sep 2, 2026
Source: SEC Form 4 · 0002078454-26-000012 · filed 2026-09-02 · View filing →
Sale of 13,800 shares at $57.7012 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Aug 31, 2026 · Disclosed Sep 2, 2026
Source: SEC Form 4 · 0002078454-26-000012 · filed 2026-09-02 · View filing →
Sale of 5,600 shares at $58.4569 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Aug 31, 2026 · Disclosed Sep 2, 2026
Source: SEC Form 4 · 0002078454-26-000012 · filed 2026-09-02 · View filing →
Acquisition (code M) of 27,500 shares at $8.12 per share.
Reporting Person Hanson Scott McLean · Officer Title Chief Technology Officer · Transaction Code M
Traded Aug 27, 2026 · Disclosed Aug 28, 2026
Source: SEC Form 4 · 0002078339-26-000012 · filed 2026-08-28 · View filing →
Sale of 22,590 shares at $59.6916 per share.
Reporting Person Hanson Scott McLean · Officer Title Chief Technology Officer · Transaction Code S
Traded Aug 27, 2026 · Disclosed Aug 28, 2026
Source: SEC Form 4 · 0002078339-26-000012 · filed 2026-08-28 · View filing →
Sale of 4,910 shares at $60.321 per share.
Reporting Person Hanson Scott McLean · Officer Title Chief Technology Officer · Transaction Code S
Traded Aug 27, 2026 · Disclosed Aug 28, 2026
Source: SEC Form 4 · 0002078339-26-000012 · filed 2026-08-28 · View filing →
Acquisition (code M) of 10,000 shares at $8.12 per share.
Reporting Person Hanson Scott McLean · Officer Title Chief Technology Officer · Transaction Code M
Traded Aug 26, 2026 · Disclosed Aug 28, 2026
Source: SEC Form 4 · 0002078339-26-000012 · filed 2026-08-28 · View filing →
Acquisition (code M) of 27,500 shares at $8.12 per share.
Reporting Person Hanson Scott McLean · Officer Title Chief Technology Officer · Transaction Code M
Traded Aug 26, 2026 · Disclosed Aug 28, 2026
Source: SEC Form 4 · 0002078339-26-000012 · filed 2026-08-28 · View filing →
Sale of 27,500 shares at $59.5807 per share.
Reporting Person Hanson Scott McLean · Officer Title Chief Technology Officer · Transaction Code S
Traded Aug 26, 2026 · Disclosed Aug 28, 2026
Source: SEC Form 4 · 0002078339-26-000012 · filed 2026-08-28 · View filing →
Acquisition (code M) of 7,000 shares at $8.12 per share.
Reporting Person Hanson Scott McLean · Officer Title Chief Technology Officer · Transaction Code M
Traded Aug 14, 2026 · Disclosed Aug 18, 2026
Source: SEC Form 4 · 0002078339-26-000010 · filed 2026-08-18 · View filing →
Sale of 800 shares at $63.2562 per share.
Reporting Person Hanson Scott McLean · Officer Title Chief Technology Officer · Transaction Code S
Traded Aug 14, 2026 · Disclosed Aug 18, 2026
Source: SEC Form 4 · 0002078339-26-000010 · filed 2026-08-18 · View filing →
Sale of 5,400 shares at $64.4061 per share.
Reporting Person Hanson Scott McLean · Officer Title Chief Technology Officer · Transaction Code S
Traded Aug 14, 2026 · Disclosed Aug 18, 2026
Source: SEC Form 4 · 0002078339-26-000010 · filed 2026-08-18 · View filing →
Sale of 800 shares at $65.3013 per share.
Reporting Person Hanson Scott McLean · Officer Title Chief Technology Officer · Transaction Code S
Traded Aug 14, 2026 · Disclosed Aug 18, 2026
Source: SEC Form 4 · 0002078339-26-000010 · filed 2026-08-18 · View filing →
Acquisition (code M) of 13,500 shares at $8.12 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code M
Traded Aug 14, 2026 · Disclosed Aug 18, 2026
Source: SEC Form 4 · 0002078454-26-000010 · filed 2026-08-18 · View filing →
Sale of 1,282 shares at $63.2857 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Aug 14, 2026 · Disclosed Aug 18, 2026
Source: SEC Form 4 · 0002078454-26-000010 · filed 2026-08-18 · View filing →
Sale of 10,718 shares at $64.3964 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Aug 14, 2026 · Disclosed Aug 18, 2026
Source: SEC Form 4 · 0002078454-26-000010 · filed 2026-08-18 · View filing →
Sale of 1,500 shares at $65.2621 per share.
Reporting Person Esaka Fumihide · Officer Title Chief Executive Officer · Transaction Code S
Traded Aug 14, 2026 · Disclosed Aug 18, 2026
Source: SEC Form 4 · 0002078454-26-000010 · filed 2026-08-18 · View filing →