Transaction · 0001553179-26-000005

Christian Waage

Christian Waage, EVP, TOA, reported a transaction classified as grant at Gossamer Bio, Inc. involving 2900026.000000 shares for an estimated $0.00. Reported holdings after the transaction were 2900026.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code AEVP, TOA
GOSSGossamer Bio, Inc.
Filing timeAug 26
Trade dateAug 24, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
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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 2026-08-26Filed 9 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
0001553179-26-000005
Stock Option (Right to Buy)
Transaction date
Aug 24, 2026
Filed Aug 26, 2026, 10:13 PM · 2d delay
Shares
2.90M sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
2.90M sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
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

EVP, Tech Ops and Admin

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

    50% of the total number of shares subject to the option will vest upon FDA approval of seralutinib, and 1/24th of the remaining 50% of the total number of shares subject to the option will vest on the…

Original filing · 0001553179-26-000005
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GOSS