Gossamer Bio Stock Price History
NASDAQ: GOSSHealth CareBiotechnology: Pharmaceutical PreparationsUSD
9.31-0.57 (-5.77%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
GOSS price history at a glance
The price history for Gossamer Bio (GOSS) on this page begins on February 4, 2019, when the stock closed at $1,435.20; it most recently closed at $9.31 on October 5, 2026. The highest price in this record is $2,172.00, reached on December 9, 2019; the latest close is 99.6% below that peak. Across the 6 complete calendar years in the table, GOSS finished higher in 3 and lower in 3. Its best year was 2025 (+182.4%) and its worst was 2022 (-80.8%).
Over roughly 8 years the share price changed -99.4%, a -48.2% compound annual price return (excluding dividends). In the last 12 months alone, GOSS has lost 95.5%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2019
- $2,172.00
- Date of high
- Dec 9, 2019
- Low since 2019
- $9.12
- Date of low
- Jul 13, 2026
- 52-week high
- $309.60
- 52-week low
- $9.12
- IPO year
- 2019
- Last close
- $9.31
GOSS returns
1 week
-13.07%
1 month
-27.27%
3 months
-31.54%
6 months
-71.62%
Year to date
-96.25%
1 year
-95.45%
3 years
-81.99%
5 years
-99.17%
GOSS price return, excluding dividends.
GOSS annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 9.31 | -95.96% |
| 2025 | 230.40 | +182.35% |
| 2024 | 81.60 | +11.72% |
| 2023 | 73.04 | -57.93% |
| 2022 | 173.60 | -80.81% |
| 2021 | 904.80 | +16.96% |
| 2020 | 773.60 | -37.09% |
| 2019* | 1,229.60 | -14.33% |
* Partial year: the record begins after the start of 2019; return measured from the first available close.
2026 return is year to date.
GOSS daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 9.93 | 10.10 | 9.20 | 9.31 | -5.77% | |
| 10.02 | 10.28 | 9.66 | 9.88 | -2.95% | |
| 10.38 | 10.66 | 9.77 | 10.18 | -5.57% | |
| 10.77 | 10.93 | 10.50 | 10.78 | +1.22% | |
| 10.70 | 10.99 | 10.00 | 10.65 | -0.56% | |
| 11.19 | 11.19 | 10.19 | 10.71 | -2.01% | |
| 11.63 | 12.14 | 10.80 | 10.93 | -7.76% | |
| 11.53 | 12.46 | 11.16 | 11.85 | +2.33% | |
| 11.68 | 11.85 | 11.21 | 11.58 | +0.52% | |
| 10.46 | 11.85 | 10.33 | 11.52 | +5.30% | |
| 10.93 | 11.01 | 10.22 | 10.94 | +0.09% | |
| 10.76 | 11.68 | 10.75 | 10.93 | -0.55% | |
| 11.69 | 11.97 | 10.03 | 10.99 | -5.99% | |
| 11.48 | 12.31 | 11.35 | 11.69 | +3.63% | |
| 11.60 | 11.94 | 10.91 | 11.28 | +5.13% | |
| 12.00 | 12.49 | 10.67 | 10.73 | -10.13% | |
| 11.78 | 12.45 | 11.28 | 11.94 | +8.94% | |
| 10.77 | 11.24 | 9.96 | 10.96 | +5.59% | |
| 10.61 | 10.97 | 10.12 | 10.38 | -2.99% | |
| 10.95 | 11.08 | 10.07 | 10.70 | -0.28% | |
| 12.48 | 12.52 | 10.47 | 10.73 | -5.55% | |
| 12.24 | 12.56 | 11.20 | 11.36 | -11.25% | |
| 12.00 | 13.76 | 12.00 | 12.80 | -11.11% | |
| 13.76 | 14.72 | 13.44 | 14.40 | +2.86% | |
| 13.76 | 14.48 | 13.44 | 14.00 | -0.57% | |
| 13.84 | 14.08 | 13.12 | 14.08 | +1.73% | |
| 13.28 | 13.84 | 12.88 | 13.84 | +3.59% | |
| 13.20 | 13.84 | 12.80 | 13.36 | -1.76% | |
| 13.68 | 14.40 | 13.44 | 13.60 | 0.00% | |
| 13.76 | 13.84 | 13.12 | 13.60 | 0.00% | |
| 14.08 | 14.24 | 13.04 | 13.60 | -2.30% | |
| 15.92 | 16.16 | 13.60 | 13.92 | -15.12% | |
| 14.40 | 17.12 | 13.44 | 16.40 | +17.14% | |
| 12.00 | 14.96 | 11.68 | 14.00 | +12.90% | |
| 13.60 | 13.60 | 11.60 | 12.40 | -1.90% | |
| 12.64 | 13.12 | 12.08 | 12.64 | +0.64% | |
| 12.00 | 12.72 | 11.36 | 12.56 | +9.79% | |
| 11.20 | 11.84 | 11.04 | 11.44 | +2.14% | |
| 12.40 | 12.48 | 11.20 | 11.20 | -9.09% | |
| 13.60 | 13.60 | 12.24 | 12.32 | -9.41% | |
| 14.08 | 14.16 | 13.20 | 13.60 | -4.49% | |
| 14.64 | 14.88 | 13.84 | 14.24 | -2.20% | |
| 14.40 | 14.88 | 13.92 | 14.56 | +3.41% | |
| 14.40 | 14.40 | 13.52 | 14.08 | -1.12% | |
| 14.40 | 14.56 | 13.84 | 14.24 | 0.00% | |
| 14.16 | 14.56 | 13.76 | 14.24 | 0.00% | |
| 14.96 | 14.96 | 14.00 | 14.24 | -2.20% | |
| 13.60 | 14.72 | 13.60 | 14.56 | +4.60% | |
| 13.60 | 14.16 | 12.80 | 13.92 | +2.35% | |
| 14.16 | 14.64 | 13.20 | 13.60 | -4.49% | |
| 16.32 | 16.40 | 13.44 | 14.24 | -14.01% | |
| 16.48 | 16.96 | 14.56 | 16.56 | +0.98% | |
| 21.44 | 21.44 | 15.20 | 16.40 | +3.02% | |
| 13.84 | 17.12 | 11.60 | 15.92 | +46.32% | |
| 11.60 | 11.60 | 10.56 | 10.88 | -4.90% | |
| 11.44 | 11.44 | 10.88 | 11.44 | -1.38% | |
| 11.36 | 12.40 | 10.96 | 11.60 | -6.45% | |
| 11.52 | 12.40 | 11.36 | 12.40 | +9.93% | |
| 13.60 | 13.60 | 11.12 | 11.28 | -17.06% | |
| 13.28 | 14.16 | 12.80 | 13.60 | -0.58% | |
| 12.80 | 13.68 | 11.44 | 13.68 | +5.56% | |
| 10.64 | 13.68 | 10.16 | 12.96 | +15.71% | |
| 11.52 | 11.52 | 9.12 | 11.20 | -2.78% | |
| 13.60 | 13.60 | 11.20 | 11.52 | -15.29% | |
| 14.00 | 14.00 | 12.80 | 13.60 | -2.86% | |
| 13.76 | 14.40 | 13.52 | 14.00 | +3.55% | |
| 14.00 | 14.16 | 13.28 | 13.52 | -5.06% | |
| 15.28 | 16.00 | 14.08 | 14.24 | -8.72% | |
| 13.84 | 15.60 | 13.28 | 15.60 | +12.72% | |
| 13.52 | 14.24 | 13.12 | 13.84 | +2.98% | |
| 13.36 | 13.60 | 13.04 | 13.44 | +1.82% | |
| 13.68 | 13.92 | 12.96 | 13.20 | +0.61% | |
| 12.96 | 13.60 | 12.24 | 13.12 | +4.46% | |
| 13.44 | 13.68 | 12.08 | 12.56 | -4.85% | |
| 13.60 | 14.24 | 12.88 | 13.20 | -2.37% | |
| 13.68 | 14.48 | 13.44 | 13.52 | -1.17% | |
| 12.88 | 14.32 | 12.48 | 13.68 | +4.27% | |
| 14.08 | 14.08 | 12.80 | 13.12 | -2.38% | |
| 15.60 | 16.00 | 12.80 | 13.44 | -6.15% | |
| 12.80 | 14.80 | 12.40 | 14.32 | +6.55% | |
| 13.44 | 13.84 | 13.28 | 13.44 | +0.60% | |
| 13.60 | 14.40 | 13.28 | 13.36 | +3.09% | |
| 14.32 | 14.72 | 12.80 | 12.96 | -8.47% | |
| 12.72 | 14.40 | 12.32 | 14.16 | +13.46% | |
| 12.56 | 13.28 | 11.20 | 12.48 | -2.50% | |
| 13.52 | 13.52 | 12.24 | 12.80 | -3.61% | |
| 14.32 | 14.32 | 13.12 | 13.28 | -5.14% | |
| 14.40 | 14.40 | 13.44 | 14.00 | -1.69% | |
| 14.88 | 15.28 | 14.08 | 14.24 | -5.32% | |
| 15.92 | 16.00 | 14.64 | 15.04 | -6.00% | |
| 16.16 | 16.16 | 15.60 | 16.00 | +1.01% | |
| 18.56 | 18.80 | 15.84 | 15.84 | -14.29% | |
| 16.96 | 18.48 | 16.24 | 18.48 | +9.48% | |
| 16.88 | 17.04 | 16.16 | 16.88 | -3.21% | |
| 18.24 | 18.24 | 15.84 | 17.44 | -0.91% | |
| 17.52 | 19.12 | 16.88 | 17.60 | +4.76% | |
| 16.00 | 16.96 | 15.68 | 16.80 | +4.48% | |
| 19.20 | 19.20 | 15.20 | 16.08 | -6.51% | |
| 16.00 | 17.60 | 15.60 | 17.20 | +8.04% | |
| 16.00 | 17.52 | 15.60 | 15.92 | +3.11% | |
| 24.00 | 24.00 | 13.04 | 15.44 | -43.24% | |
| 26.40 | 27.20 | 25.28 | 27.20 | +3.03% | |
| 28.40 | 28.40 | 26.40 | 26.40 | -4.07% | |
| 27.28 | 28.40 | 26.40 | 27.52 | +0.88% | |
| 25.76 | 27.60 | 25.60 | 27.28 | +0.59% | |
| 26.00 | 27.12 | 25.12 | 27.12 | +3.67% | |
| 27.20 | 27.92 | 26.00 | 26.16 | -4.94% | |
| 28.00 | 28.24 | 26.32 | 27.52 | -1.71% | |
| 27.60 | 28.80 | 26.64 | 28.00 | +4.17% | |
| 28.32 | 29.12 | 26.40 | 26.88 | -4.00% | |
| 29.60 | 30.40 | 27.68 | 28.00 | -5.41% | |
| 28.80 | 29.60 | 28.00 | 29.60 | +0.54% | |
| 28.00 | 29.52 | 27.04 | 29.44 | +5.14% | |
| 27.60 | 28.80 | 26.48 | 28.00 | +1.45% | |
| 27.84 | 28.00 | 26.16 | 27.60 | -1.15% | |
| 29.12 | 30.40 | 27.20 | 27.92 | -3.86% | |
| 29.76 | 30.16 | 28.88 | 29.04 | -2.94% | |
| 31.36 | 31.36 | 28.80 | 29.92 | -4.10% | |
| 29.60 | 31.44 | 29.60 | 31.20 | +3.45% | |
| 33.44 | 33.44 | 29.12 | 30.16 | -10.24% | |
| 35.12 | 36.80 | 33.12 | 33.60 | -5.83% | |
| 35.20 | 37.36 | 34.72 | 35.68 | +2.06% | |
| 36.00 | 36.80 | 33.84 | 34.96 | -3.10% | |
| 34.32 | 37.44 | 33.92 | 36.08 | +4.40% | |
| 32.16 | 34.56 | 32.16 | 34.56 | +7.73% | |
| 31.84 | 32.80 | 30.48 | 32.08 | -2.20% | |
| 29.28 | 34.32 | 29.28 | 32.80 | +10.22% | |
| 27.76 | 30.24 | 27.04 | 29.76 | +7.20% | |
| 27.60 | 27.92 | 25.76 | 27.76 | +5.15% | |
| 27.84 | 28.00 | 25.60 | 26.40 | -4.62% | |
| 30.32 | 30.40 | 26.72 | 27.68 | -6.49% | |
| 27.84 | 30.48 | 27.52 | 29.60 | +1.37% | |
| 26.96 | 30.24 | 26.64 | 29.20 | +10.94% | |
| 25.84 | 27.04 | 25.60 | 26.32 | +2.81% | |
| 27.28 | 28.00 | 25.60 | 25.60 | -7.78% | |
| 28.80 | 30.40 | 27.52 | 27.76 | -7.47% | |
| 29.92 | 32.88 | 29.12 | 30.00 | -1.83% | |
| 28.32 | 31.76 | 28.00 | 30.56 | +10.72% | |
| 30.24 | 30.40 | 25.68 | 27.60 | -7.51% | |
| 32.00 | 32.72 | 29.12 | 29.84 | -11.61% | |
| 36.00 | 36.00 | 32.00 | 33.76 | -6.64% | |
| 33.92 | 37.60 | 32.40 | 36.16 | +4.15% | |
| 36.64 | 37.60 | 33.92 | 34.72 | -8.05% | |
| 36.32 | 38.80 | 36.08 | 37.76 | +3.51% | |
| 35.84 | 38.40 | 35.44 | 36.48 | +4.35% | |
| 37.28 | 38.56 | 34.88 | 34.96 | -5.00% | |
| 38.40 | 39.20 | 36.16 | 36.80 | -6.12% | |
| 40.80 | 41.60 | 39.20 | 39.20 | -3.35% | |
| 44.80 | 45.52 | 39.84 | 40.56 | -8.65% | |
| 39.92 | 45.20 | 38.64 | 44.40 | +10.78% | |
| 41.04 | 42.32 | 38.80 | 40.08 | -4.02% | |
| 45.60 | 45.60 | 38.08 | 41.76 | -10.00% | |
| 37.84 | 47.84 | 37.20 | 46.40 | +23.40% | |
| 33.60 | 40.08 | 32.96 | 37.60 | +9.56% | |
| 32.56 | 35.60 | 31.36 | 34.32 | +0.94% | |
| 31.20 | 35.60 | 31.20 | 34.00 | +5.72% | |
| 29.68 | 33.44 | 29.04 | 32.16 | +5.79% | |
| 32.08 | 32.08 | 26.48 | 30.40 | -8.43% | |
| 31.04 | 35.60 | 28.48 | 33.20 | -1.89% | |
| 47.68 | 48.00 | 26.56 | 33.84 | -80.14% | |
| 168.00 | 177.60 | 164.80 | 170.40 | +0.95% | |
| 174.40 | 178.08 | 168.00 | 168.80 | -2.76% | |
| 172.80 | 178.80 | 168.80 | 173.60 | +0.93% | |
| 184.00 | 187.20 | 171.20 | 172.00 | -6.11% | |
| 187.20 | 199.60 | 182.40 | 183.20 | -1.29% | |
| 188.80 | 190.40 | 181.60 | 185.60 | -1.28% | |
| 186.40 | 190.40 | 179.20 | 188.00 | +0.86% | |
| 182.40 | 192.80 | 180.80 | 186.40 | +3.10% | |
| 181.60 | 188.80 | 172.80 | 180.80 | 0.00% | |
| 198.00 | 200.00 | 178.40 | 180.80 | -7.19% | |
| 195.20 | 203.20 | 192.00 | 194.80 | -1.02% | |
| 212.80 | 212.80 | 185.60 | 196.80 | -7.87% | |
| 198.40 | 220.40 | 190.56 | 213.60 | +7.66% | |
| 184.00 | 210.40 | 181.20 | 198.40 | +8.77% | |
| 194.40 | 197.60 | 181.60 | 182.40 | -5.79% | |
| 205.60 | 205.60 | 192.00 | 193.60 | -5.10% | |
| 215.20 | 217.60 | 200.00 | 204.00 | -3.41% | |
| 212.80 | 214.00 | 199.20 | 211.20 | -0.75% | |
| 219.20 | 222.32 | 210.80 | 212.80 | -1.48% | |
| 232.00 | 233.60 | 213.60 | 216.00 | -5.92% | |
| 223.20 | 239.92 | 220.00 | 229.60 | +4.74% | |
| 208.00 | 220.40 | 204.80 | 219.20 | +5.38% | |
| 194.40 | 210.40 | 190.40 | 208.00 | +3.17% | |
| 198.40 | 211.20 | 196.00 | 201.60 | +2.86% | |
| 203.20 | 206.40 | 195.20 | 196.00 | -3.92% | |
| 210.40 | 212.00 | 198.40 | 204.00 | -4.14% | |
| 201.60 | 215.20 | 193.60 | 212.80 | +5.56% | |
| 201.60 | 212.00 | 199.20 | 201.60 | +0.80% | |
| 203.20 | 208.80 | 192.80 | 200.00 | 0.00% | |
| 188.00 | 203.20 | 188.00 | 200.00 | +3.73% | |
| 204.00 | 212.00 | 188.80 | 192.80 | -5.86% | |
| 216.80 | 220.80 | 201.60 | 204.80 | -6.57% | |
| 232.80 | 237.60 | 218.00 | 219.20 | -4.86% | |
| 252.00 | 252.00 | 228.00 | 230.40 | -7.10% | |
| 249.60 | 256.80 | 246.00 | 248.00 | -0.64% | |
| 256.80 | 260.80 | 243.20 | 249.60 | -2.80% | |
| 260.00 | 268.00 | 256.80 | 256.80 | -0.62% | |
| 272.80 | 276.80 | 251.20 | 258.40 | -6.10% | |
| 261.60 | 292.00 | 261.60 | 275.20 | +4.72% | |
| 300.00 | 301.60 | 256.80 | 262.80 | -12.86% | |
| 278.40 | 301.60 | 274.40 | 301.60 | +9.59% | |
| 272.80 | 288.00 | 269.60 | 275.20 | +0.29% | |
| 285.60 | 288.80 | 272.00 | 274.40 | -3.92% | |
| 291.20 | 305.60 | 279.60 | 285.60 | +0.28% | |
| 304.00 | 309.20 | 282.80 | 284.80 | -6.07% | |
| 296.00 | 309.60 | 282.00 | 303.20 | +5.28% | |
| 297.60 | 303.20 | 284.80 | 288.00 | -0.55% | |
| 280.00 | 304.00 | 277.60 | 289.60 | +3.72% | |
| 278.80 | 282.24 | 267.20 | 279.20 | +1.16% | |
| 276.00 | 283.20 | 274.40 | 276.00 | +1.17% | |
| 268.00 | 276.80 | 268.00 | 272.80 | +2.40% | |
| 268.00 | 272.00 | 259.60 | 266.40 | +0.30% | |
| 272.80 | 274.40 | 264.00 | 265.60 | -2.92% | |
| 243.20 | 276.00 | 240.80 | 273.60 | +14.38% | |
| 251.20 | 252.00 | 238.00 | 239.20 | -4.78% | |
| 261.60 | 264.40 | 248.40 | 251.20 | -5.99% | |
| 266.00 | 272.00 | 260.00 | 267.20 | 0.00% | |
| 264.80 | 269.60 | 257.60 | 267.20 | +2.14% | |
| 259.20 | 266.80 | 255.20 | 261.60 | +2.83% | |
| 246.40 | 258.40 | 239.60 | 254.40 | +3.92% | |
| 248.80 | 253.60 | 234.40 | 244.80 | -1.61% | |
| 257.60 | 262.00 | 244.00 | 248.80 | -0.96% | |
| 244.80 | 255.60 | 241.60 | 251.20 | +2.95% | |
| 238.40 | 248.00 | 233.68 | 244.00 | +2.01% | |
| 216.80 | 244.80 | 212.32 | 239.20 | +10.33% | |
| 193.60 | 221.60 | 193.60 | 216.80 | +7.97% | |
| 212.00 | 212.96 | 200.00 | 200.80 | -7.04% | |
| 210.40 | 216.80 | 202.80 | 216.00 | +4.25% | |
| 199.20 | 207.60 | 196.80 | 207.20 | +4.44% | |
| 196.00 | 209.60 | 195.20 | 198.40 | +5.08% | |
| 184.00 | 192.80 | 176.40 | 188.80 | +2.16% | |
| 182.56 | 192.80 | 182.40 | 184.80 | -2.53% | |
| 183.20 | 190.00 | 176.00 | 189.60 | +3.04% | |
| 188.00 | 189.60 | 182.40 | 184.00 | -3.77% | |
| 199.20 | 199.20 | 188.00 | 191.20 | -2.45% | |
| 194.40 | 201.60 | 190.40 | 196.00 | +1.24% | |
| 192.00 | 199.20 | 188.80 | 193.60 | +1.26% | |
| 190.40 | 197.20 | 186.40 | 191.20 | +0.42% | |
| 189.60 | 192.00 | 182.48 | 190.40 | -0.42% | |
| 198.40 | 202.40 | 187.20 | 191.20 | -3.63% | |
| 172.00 | 198.80 | 170.40 | 198.40 | +18.66% | |
| 178.40 | 179.20 | 166.40 | 167.20 | -5.43% | |
| 172.00 | 177.60 | 169.60 | 176.80 | +1.38% | |
| 181.60 | 182.00 | 172.00 | 174.40 | -3.96% | |
| 178.40 | 184.80 | 174.80 | 181.60 | +3.65% | |
| 183.20 | 184.00 | 174.40 | 175.20 | -5.19% | |
| 195.20 | 196.00 | 178.40 | 184.80 | -4.15% | |
| 191.20 | 196.00 | 188.80 | 192.80 | +1.26% | |
| 192.00 | 193.60 | 184.80 | 190.40 | -2.46% | |
| 188.00 | 195.20 | 183.20 | 195.20 | +7.02% | |
| 204.00 | 206.00 | 176.80 | 182.40 | -10.94% | |
| 196.00 | 208.80 | 196.00 | 204.80 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the GOSS chart for longer ranges.