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Liu Tracy

Insider transactions at 1 company

This page shows all SEC Form 4 filings attributed to Liu Tracy. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.

ACMR
Company Title Type Shares Price Value Date
ACMR Sale 15,000 $33.00 $495,000 Sep 17, 2025
ACMR Option Exercise 15,000 $1.00 $15,000 Jul 15, 2025
ACMR Option Exercise 12,500 $5.60 $70,000 Feb 28, 2024
ACMR Sale 10,000 $20.00 $200,000 Dec 26, 2023
ACMR Sale 15,000 $17.91 $268,650 Nov 20, 2023
ACMR Sale 2,000 $120.00 $240,000 Feb 12, 2021
ACMR Sale 1,600 $110.00 $176,000 Feb 9, 2021
ACMR Sale 2,000 $100.00 $200,000 Jan 6, 2021
ACMR Option Exercise 6,000 $16.81 $100,860 Sep 10, 2020
ACMR Option Exercise 20,000 $3.00 $60,000 Mar 18, 2020
ACMR Disposition 2,143 $13.20 $28,288 Aug 23, 2019
ACMR Option Exercise 16,667 $3.00 $50,001 Jun 28, 2018