Transaction · 0001193125-26-204471

Chen Michael Cunyuan

Chen Michael Cunyuan, CSO, reported a transaction classified as unknown at Seaport Therapeutics, Inc. involving 10526.000000 shares for an estimated $0.00. Reported holdings after the transaction were 0.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

unknownSEC transaction code CCSO
SPTXSeaport Therapeutics, Inc.
Trade date
May 04, 2026
Filing date
May 04, 2026
View on SEC Insider profile
Estimated value$0Shares × reported price
Shares traded10.5k$0.00 per share
Holdings after0Direct
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

SPTX price since this filing

Daily closing prices, with the filing date and available return windows
SPTX · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago1w ago1d ago
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
unknown
Code C
Identifier
0001193125-26-204471
Series B Preferred Stock
Transaction date
May 04, 2026
Filed May 04, 2026, 10:07 PM · 0d delay
Shares
10,526 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
0 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Direct Ownership
Filing-only score

-6 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 0

    Filing reported within two business days of the transaction.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Scientific Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Each share of Series B Preferred Stock (the "Preferred Stock") was convertible into Common Stock of the Issuer on a one-for-3.1407 basis at the option of the holder, and automatically converted upon t…

  2. F2

    The shares underlying this option shall vest in forty-eight (48) equal monthly installments following April 30, 2026, subject to the Reporting Person's continued service on each such vesting date.

Original filing · 0001193125-26-204471
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