InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (26 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
26
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the complete record of transactions filed by Dun Haiping, Director. Director active across 1 company, notably ACM Research, Inc.. In total, 48 disclosures have been recorded. Breakdown: 0 buy · 26 sells. Total volume traded: €7.1m. History available since 2 March 2022. The latest transaction was disclosed on 18 August 2026 (Levée d'options). Regulator: SEC (Form 4). The full history is accessible without signup.
Companies and markets linked to Dun Haiping
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations48 total
5,000 shares@ US$5.60Class A Common StockSEC:0001140361-26-033892:0
1,200 shares@ US$80.29Class A Common StockSEC:0001140361-26-033892:1
3,400 shares@ US$81.31Class A Common StockSEC:0001140361-26-033892:2
400 shares@ US$82.17Class A Common StockSEC:0001140361-26-033892:3
5,000 shares@ US$5.600.0004% mcap0.3% of flowClass A Common StockSEC:0001140361-26-022458:0
1,333 shares@ US$63.840.0011% mcap1.0% of flowClass A Common StockSEC:0001140361-26-022458:1
500 shares@ US$65.090.0004% mcap0.4% of flowClass A Common StockSEC:0001140361-26-022458:2
1,309 shares@ US$67.210.0012% mcap1.1% of flowClass A Common StockSEC:0001140361-26-022458:3
1,858 shares@ US$67.540.0017% mcap1.5% of flowClass A Common StockSEC:0001140361-26-022458:4
5,000 shares@ US$5.600.0006% mcap4.0% of flowClass A Common StockSEC:0001140361-26-009039:0
755,090 shares0Class A Common StockSEC:0001140361-25-042348:0
7,062 shares@ US$29.232.7% of flowClass A Common StockSEC:0001140361-25-009327:1
2,456 shares@ US$28.320.9% of flowClass A Common StockSEC:0001140361-25-009327:0
15,001 shares@ US$26.545.2% of flowClass A Common StockSEC:0001140361-25-008444:0
25,001 shares@ US$0.500.2% of flowClass A Common StockSEC:0001140361-25-007211:0
19,058 shares@ US$17.434.4% of flowClass A Common StockSEC:0001140361-24-048310:0
15,000 shares@ US$19.123.9% of flowClass A Common StockSEC:0001140361-24-047888:0
35,000 shares@ US$0.500.2% of flowClass A Common StockSEC:0001140361-24-047169:0
19,097 shares@ US$18.084.4% of flowClass A Common StockSEC:0001140361-24-039942:0
15,000 shares@ US$19.853.8% of flowClass A Common StockSEC:0001140361-24-038571:0
35,000 shares@ US$0.500.2% of flowClass A Common StockSEC:0001140361-24-037711:0
100,000 shares0Class A Common StockSEC:0001140361-24-031967:0
19,239 shares@ US$22.635.7% of flowClass A Common StockSEC:0001140361-24-028379:0
15,000 shares@ US$22.884.5% of flowClass A Common StockSEC:0001140361-24-027457:0
35,000 shares@ US$0.500.2% of flowClass A Common StockSEC:0001140361-24-026364:0
25 of 48 declarations
About Dun Haiping
Dun Haiping is Director at ACM Research, Inc. (XNAS). The declarant has 44 filings in total, and within the sampled recent filings covered here from 2022-03-04 to 2026-05-21, the reported activity consists of sales totaling EUR 6720643 and EUR 0 of purchases.
