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GOSS
NASDAQ Life Sciences

Lawsuit Deadline Nears for Gossamer Bio Investors Alleging Concealed Placebo Risk in Failed Drug Trial

Tom Rudovsky · Reported by PR Newswire
More coverage: Biotech Stocks · Healthcare
Sentiment info
Negative
Importance info
7
Price
$0.213
Mkt Cap
$54.191M
52W Low
$0.163
52W High
$3.87
52W Position info
31% above low
Off High info
94% below high
Rel. Volume info
1.2× avg
Market data snapshot near publication time

GOSS sits 31% above its 52-week low of $0.163.

Summary

A law firm issued a deadline alert for investors to join a class-action lawsuit against Gossamer Bio, with a lead plaintiff deadline of June 1, 2026. The lawsuit alleges executives concealed critical information about placebo risk and trial design issues in the Phase 3 PROSERA study, which failed to meet its primary endpoint. This follows the company's prior disclosures in its 10-K and 10-Q filings regarding the class action. The detailed allegations of misconduct add to the severe financial distress, Nasdaq delisting notice, and ongoing distressed debt exchange already facing Gossamer Bio.

At the time of this announcement, GOSS was trading at $0.21 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $54.2M. The 52-week trading range was $0.16 to $3.87. This news item was assessed with negative market sentiment and an importance score of 7 out of 10. Source: PR Newswire.


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GOSS - Latest Insights

GOSS
Jul 01, 2026, 9:23 PM EDT
Filing Type: SCHEDULE 13D/A
Importance Score:
7
Price at Filing: $0.1697
Real-time Price: $0.15155 info
Change: -$0.01815 (-11%) info
Market Cap: $74.085M info
GOSS
Jul 01, 2026, 9:01 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $0.1652
Real-time Price: $0.15155 info
Change: -$0.01365 (-8%) info
Market Cap: $74.085M info
GOSS
Jun 17, 2026, 8:01 AM EDT
Filing Type: 8-K
Importance Score:
9
Price at Filing: $0.1671
Real-time Price: $0.15155 info
Change: -$0.01555 (-9%) info
Market Cap: $74.085M info
GOSS
Jun 11, 2026, 9:13 PM EDT
Filing Type: SCHEDULE 13D
Importance Score:
8
Price at Filing: $0.1709
Real-time Price: $0.15155 info
Change: -$0.01935 (-11%) info
Market Cap: $74.085M info
GOSS
Jun 09, 2026, 4:18 PM EDT
Filing Type: DEF 14A
Importance Score:
9
Price at Filing: $0.1557
Real-time Price: $0.15155 info
Change: -$0.00415 (-3%) info
Market Cap: $74.085M info
GOSS
Jun 04, 2026, 7:28 PM EDT
Filing Type: 8-K
Importance Score:
9
Price at Filing: $0.1806
Real-time Price: $0.15155 info
Change: -$0.02905 (-16%) info
Market Cap: $74.085M info
GOSS
Jun 02, 2026, 8:03 AM EDT
Source: Wiseek News
Importance Score:
8
Price at Filing: $0.2031
Real-time Price: $0.15155 info
Change: -$0.05155 (-25%) info
Market Cap: $74.085M info
GOSS
Jun 02, 2026, 8:00 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $0.2031
Real-time Price: $0.15155 info
Change: -$0.05155 (-25%) info
Market Cap: $74.085M info
GOSS
May 30, 2026, 9:57 AM EDT
Source: PR Newswire
Importance Score:
7
Price at Filing: $0.2131
Real-time Price: $0.15155 info
Change: -$0.06155 (-29%) info
Market Cap: $74.085M info
GOSS
May 28, 2026, 9:00 AM EDT
Source: PR Newswire
Importance Score:
8
Price at Filing: $0.215
Real-time Price: $0.15155 info
Change: -$0.06345 (-30%) info
Market Cap: $74.085M info