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Insider · CIK 0002016189

Yunhao Chen

cfoofficer

Files at MAMO (Massimo Group). First filing -, latest -.

Yunhao Chen files SEC Form 4 as CFO at MAMO (Massimo Group). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.

A track record needs three past buys with six months of prices behind them; Yunhao Chen has 0, so none is measured yet.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold

Signals

This insider’s open-market buys and sells, scored.

No scored open-market trades yet.

Transactions

Every row this insider has filed, 3 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
May 29, 2025MAMO
Massimo Group
AGrant or award
Common Stock
+25,000$0.00$0133,334Jun 2, 2025
Dec 2, 2024MAMO
Massimo Group
AGrant or award
Common Stock
+27,778$0.00$0108,334Dec 5, 2024
Nov 22, 2024MAMO
Massimo Group
AGrant or award
Common Stock
+25,000$0.00$080,556Nov 22, 2024

Questions about Yunhao Chen

Answered from the filings on this page, as of the latest one.

Is Yunhao Chen buying or selling?

Yunhao Chen has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.

How did Yunhao Chen's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Yunhao Chen has 0.

Where does Yunhao Chen file Form 4?

Yunhao Chen has filed Form 4 at MAMO (Massimo Group) as Chief Financial Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Yunhao Chen: insider trades and track record | InsiderTell