Skip to content

Insider · CIK 0002127529

Michael Cunyuan Chen

officer

Files at SPTX (Seaport Therapeutics, Inc.). First filing -, latest -.

In brief

Michael Cunyuan Chen files SEC Form 4 as officer at SPTX (Seaport Therapeutics, Inc.). 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; Michael Cunyuan 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 4, 2026SPTX
Seaport Therapeutics, Inc.
CConversion
Common Stock
+3,351--3,351May 4, 2026
Apr 30, 2026SPTX
Seaport Therapeutics, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+63,680$0.00$063,680May 4, 2026
May 4, 2026SPTX
Seaport Therapeutics, Inc.
CConversion
Series B Preferred Stockderivative
-10,526$0.00$00May 4, 2026

Questions about Michael Cunyuan Chen

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

Is Michael Cunyuan Chen buying or selling?

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

How did Michael Cunyuan Chen's past buys perform?

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

Where does Michael Cunyuan Chen file Form 4?

Michael Cunyuan Chen has filed Form 4 at SPTX (Seaport Therapeutics, Inc.) as Chief Scientific 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.

Michael Cunyuan Chen: insider trades and track record | InsiderTell