Company
AMPX · CIK 0001899287
Acquisition (code A) of 346 shares at $0 per share.
Reporting Person Stepien Thomas M · Officer Title Chief Executive Officer · Transaction Code A
Traded Aug 25, 2026 · Disclosed Aug 25, 2026
Source: SEC Form 4 · 0002067233-26-000019 · filed 2026-08-25 · View filing →
Sale of 8,000 shares at $10.03 per share.
Reporting Person Stepien Thomas M · Officer Title Chief Executive Officer · Transaction Code S
Traded Aug 24, 2026 · Disclosed Aug 25, 2026
Source: SEC Form 4 · 0002067233-26-000019 · filed 2026-08-25 · View filing →
Sale of 62,101 shares at $10.341 per share.
Reporting Person Sun Kang · Transaction Code S
Traded Aug 21, 2026 · Disclosed Aug 25, 2026
Source: SEC Form 4 · 0001476220-26-000034 · filed 2026-08-25 · View filing →
Sale of 29,681 shares at $10.341 per share.
Reporting Person Stefan Constantin Ionel · Officer Title Chief Technology Officer · Transaction Code S
Traded Aug 21, 2026 · Disclosed Aug 25, 2026
Source: SEC Form 4 · 0001940928-26-000024 · filed 2026-08-25 · View filing →
Sale of 23,529 shares at $10.341 per share.
Reporting Person Stepien Thomas M · Officer Title Chief Executive Officer · Transaction Code S
Traded Aug 21, 2026 · Disclosed Aug 25, 2026
Source: SEC Form 4 · 0002067233-26-000019 · filed 2026-08-25 · View filing →