Biggest movers / GOSS

GOSS alerts & big moves

GOSSAMER BIO INC · Nasdaq · Healthcare

Last price$10.71

Change+0.00%vs previous close

Alerts39last 90 days

Last alertSeptember 18, 20263:58 PM ET

52-week rangeas recorded on September 18, 2026

Low $9.10High $309.60

Alert history — last 90 days

The 25 most recent of 39 alerts. Times are ET; the public list runs 15 minutes behind the live feed.

General−10.8%in 17 minSeptember 18, 2026, 3:58 PM ET
$10.81Vol 198.5K0.6× avg volumeHealthcare
MomentumLeadership+8.9%in 17 minSeptember 17, 2026, 9:31 AM ET
$11.99Vol 44.5K0.1× avg volumeHealthcare
GeneralCompany update+10.5%in 17 minSeptember 9, 2026, 9:57 AM ET
$0.1661Vol 10.6M0.5× avg volumeHealthcare
GeneralCompany update+13.6%in 10 minSeptember 9, 2026, 9:32 AM ET
$0.1558Vol 6.6M0.3× avg volumeHealthcare
GeneralCompany update−21.8%in 15 minSeptember 9, 2026, 9:17 AM ET
$0.1451Vol 3.2M0.2× avg volumeHealthcare
GeneralCompany update−19.9%in 6 minSeptember 9, 2026, 9:01 AM ET
$0.1485Vol 874.9K<0.1× avg volumeHealthcare
General−22.9%in 16 minAugust 21, 2026, 8:30 AM ET
$0.1757Vol 70.6M1.7× avg volumeHealthcare
General+28.0%in 13 minAugust 21, 2026, 8:15 AM ET
$0.2012Vol 48.1M1.2× avg volumeHealthcare
Momentum+32.3%in 6 minAugust 21, 2026, 8:02 AM ET
$0.2080Vol 5.9M0.1× avg volumeHealthcare
General+12.0%in 16 minJuly 31, 2026, 6:03 AM ET
$0.2000Vol 4.2M<0.1× avg volumeHealthcare
Momentum+14.2%in 12 minJuly 31, 2026, 5:59 AM ET
$0.2040Vol 1.6M<0.1× avg volumeHealthcare
General+12.5%in 17 minJuly 28, 2026, 5:23 PM ET
$0.2251Vol 205.3M5.8× avg volumeHealthcare
General−14.9%in 16 minJuly 28, 2026, 9:47 AM ET
$0.2313Vol 114.3M3.3× avg volumeHealthcare
General−10.1%July 28, 2026, 9:31 AM ET
$0.2443Vol 92.0M2.6× avg volumeHealthcare
General−10.3%in 13 minJuly 28, 2026, 8:29 AM ET
$0.2812Vol 76.7M2.2× avg volumeHealthcare
General+10.7%in 16 minJuly 28, 2026, 8:13 AM ET
$0.2966Vol 61.9M1.8× avg volumeHealthcare
Momentum+11.8%in 14 minJuly 28, 2026, 8:03 AM ET
$0.2939Vol 47.3M1.3× avg volumeHealthcare
General−10.4%in 14 minJuly 28, 2026, 4:42 AM ET
$0.2621Vol 18.1M0.5× avg volumeHealthcare
Momentum+18.0%in 16 minJuly 28, 2026, 4:26 AM ET
$0.2926Vol 12.3M0.3× avg volumeHealthcare
General+10.3%in 15 minJuly 28, 2026, 4:25 AM ET
$0.2735Vol 10.7M0.3× avg volumeHealthcare
General−11.5%in 8 minJuly 28, 2026, 4:04 AM ET
$0.2592Vol 4.4M0.2× avg volumeHealthcare
General+17.7%in 17 minJuly 27, 2026, 6:17 PM ET
$0.2802Vol 330.0M18× avg volumeHealthcare
General+12.1%in 4 minJuly 27, 2026, 6:02 PM ET
$0.2643Vol 319.8M18× avg volumeHealthcare
Momentum+11.3%in 17 minJuly 27, 2026, 6:00 PM ET
$0.2597Vol 319.2M18× avg volumeHealthcare
General−11.3%in 17 minJuly 27, 2026, 5:15 PM ET
$0.2372Vol 310.8M17× avg volumeHealthcare

Recent SEC filings

Straight from EDGAR — the company’s own filings, in plain English. Every line links to the original document.

Big investorSCHEDULE 13D/ASeptember 28, 2026
An investor bought a stake of more than 5% and intends to influence the company, so they have to say so publicly.
Read the filing on sec.gov →
Company update8-KSeptember 28, 2026
The company told regulators something it considered important had happened.
Read the filing on sec.gov →
Company update8-KSeptember 23, 2026
The company told regulators something it considered important had happened.
Read the filing on sec.gov →

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