Hu Chenming

Director · AMBA, ACMR

As of 2026-09-16, Hu Chenming has 3 Form 4 transactions on record across 2 companies — 1 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $8.5MIndirect: $0$8.5Mas of 2026-09-16
  • Direct $8.5M
  • Indirect $0
ACMRdirect100,002 sh$6.5M
AMBAdirect32,667 sh$2.1M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

AMBA · 2 trades
2026-09-08: Award / grant, 3,151 sh ($0)2025-09-02: Award / grant, 2,498 sh ($0)
ACMR · 1 trade
2025-03-17: Sale, 163,308 sh ($4.9M)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-03-17ACMRSale163,308 @ $30.00$4.9M−62.0% of holding100,002Form 4
2 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-08AMBAAward / grant3,15132,667Form 4
2025-09-02AMBAAward / grant2,49829,516Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.