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SEC filing
AMPX · CIK 1899287
4 · Jan 14, 2026 · Sun Kang sold 506.27K shares at $10.10/share ($5.1M); exercised options for 506.27K shares
Sun Kang sold 506.27K shares at $10.10/share ($5.1M); exercised options for 506.27K shares
FORM 4