Watch
4
Insider
Filings
Feed
Reports
The Edge
How it works
Pricing
Stale · 1h
Sign in
Watch4Insider
/ Insider / 1316320
Hu Chenming
CIK 1316320
Transactions on file
3
Tickers traded
ACMR
1 txns
AMBA
2 txns
Recent activity
Filed
Txn date
Issuer
Roles
Code
Shares
Value
% since Filing
Filing
2026-09-10
2026-09-08
AMBA
AMBARELLA INC
Director
Grant
3,151
$0.00
—
open →
2025-03-19
2025-03-17
ACMR
ACM Research, Inc.
Director
Sale
163,308
$4.90M
+137.9%
open →
2025-09-04
2025-09-02
AMBA
AMBARELLA INC
Director
Grant
2,498
$0.00
—
open →