Transaction · 0001628280-26-063606

Quisel John D

Quisel John D, DIR, reported a transaction classified as grant at Gossamer Bio, Inc. involving 10000.000000 shares for an estimated $0.00. Reported holdings after the transaction were 10000.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code ADIR
GOSSGossamer Bio, Inc.
Filing timeSep 25
Trade dateSep 23, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position tradedUnavailableNot 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.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$10.94
Pre-filing
1mo ago -98.4%1w ago +0.2%1d ago +6.9%
Returns since
7d +0.0%30d +0.0%90d +0.0%180d +0.0%1y +0.0%

GOSS price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
GOSS since 2026-09-25Filed 2 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
grant
Code A
Identifier
0001628280-26-063606
Stock Option (Right to Buy)
Transaction date
Sep 23, 2026
Filed Sep 25, 2026, 08:51 PM · 2d delay
Shares
10.0k sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
10.0k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Direct Ownership Large Holdings Increase
-6score
Filing-only score

-6

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.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    The entire number of shares subject to this option becomes fully vested and exercisable on the first anniversary of the grant date, subject to the Reporting Person's continued service on the board of…

Original filing · 0001628280-26-063606
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

GOSS