stockNASDAQ: GOSS • 28 Days Updates

Gossamer Bio Inc. (GOSS)

Showing Closing Date Range from Sep 11 to Oct 9, 2026.

Gossamer Bio (GOSS) is a healthcare company developing innovative therapies, trading among Nasdaq Stocks. Shares last closed at $9.88, moving -7.75% over the past week and -7.92% across 28 days. Longer term, the stock is -14.24% over 3 months, -69.20% over 6 months and -95.18% over 12 months. Among comparable securities, OCGN (Ocugen) (-4.18%), RIVN (Rivian Automotive) (-10.61%), NAVN (Navan) (+9.80%), AMD (Advanced Micro Devices) (+20.26%) and MRVL (Marvell Technology) (+16.33%) moved over the same 28-day stretch.
Price & Performance Trajectory

Gossamer Bio Inc.NASDAQ: GOSS

Latest Close
$9.88
-7.92%
28 Days Updates Trajectory
Showing Closing Date Range from Sep 11 to Oct 9, 2026.
Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesGOSS session performance
✓ Latest Close USD
$9.88
Latest session close
$-0.85vs period start
Period Return % % GAIN
-7.92%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$12.52 / $9.66
Period range envelope
$2.86channel spread
Total Volume SHARES
4.96M
Period turnover
Avg: 309.7K/dLiquidity

Historical Session Ledger

Daily open, high, low, and close prices with volume and period returns.

Historical Quotes & Breakdown(16 dates)
DateClose (USD)Return %HighLowVolume
Oct 08, 2026$9.88-2.95% $10.28$9.66195.9K
Oct 07, 2026$10.18-5.57% $10.66$9.77280.1K
Oct 06, 2026$10.78+1.22% $10.93$10.50196.5K
Oct 05, 2026$10.65-0.56% $10.99$10.01389.1K
Oct 02, 2026$10.71-2.01% $11.19$10.19235.0K
Sep 25, 2026$10.94+0.09% $11.00$10.22426.6K
Sep 24, 2026$10.93-0.55% $11.68$10.75236.1K
Sep 23, 2026$10.99-5.99% $11.97$10.03453.8K
Sep 22, 2026$11.69+3.63% $12.31$11.35195.6K
Sep 21, 2026$11.28+5.13% $11.94$10.91258.8K
Sep 18, 2026$10.73-10.13% $12.49$10.67530.1K
Sep 17, 2026$11.94+8.94% $12.45$11.28267.7K
Sep 16, 2026$10.96+5.59% $11.24$9.96271.2K
Sep 15, 2026$10.38-2.99% $10.97$10.12220.3K
Sep 14, 2026$10.70-0.28% $11.08$10.07325.9K
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