Gossamer Bio Inc

22. Sept. 2026, 19:45 UTC

Gossamer Bio Inc is experiencing a sharp increase in its stock price, reaching a peak cumulative return before settling at a notable gain.

21. Sept. 2026, 21:41 UTC

Gossamer Bio Inc is rising in after-market trading, gaining ground since Monday's close, despite remaining below its 20-day moving average.

18. Sept. 2026, 22:11 UTC

Gossamer Bio Inc has rallied sharply in after-market trading, rebounding from earlier losses and advancing significantly since Friday's close.

17. Sept. 2026, 20:07 UTC

Gossamer Bio Inc. shares are sharply higher as the company appointed Greg Ciongoli to its Board of Directors, effective September 16, 2026.

16. Sept. 2026, 20:10 UTC

Gossamer Bio Inc's stock price is sharply higher in Wednesday's trading session, recovering from an initial dip to peak above Tuesday's close.

15. Sept. 2026, 21:05 UTC

Gossamer Bio Inc. shares traded lower in after-market hours, remaining below the 20-day moving average and near the lower end of their one-month range.

14. Sept. 2026, 20:07 UTC

Gossamer Bio Inc. shares are higher today amid broader market dynamics, despite ongoing concerns about rising crude oil prices and their inflationary effects.

11. Sept. 2026, 23:01 UTC

Gossamer Bio Inc. shares are higher in after-hours trading, reflecting a notable increase since Friday's close amid positive market sentiment following a narrower U.S. budget deficit.

10. Sept. 2026, 23:31 UTC

Gossamer Bio Inc. shares rose in after-market trading following a 1-for-80 reverse stock split, advancing from earlier levels despite broader market dynamics.

9. Sept. 2026, 23:53 UTC

Gossamer Bio Inc. shares are lower in after-market hours following a significant decline since Wednesday's close, despite an earlier attempt to recover.

4. Sept. 2026, 19:26 UTC

Gossamer Bio shares are lower today amid increased selling pressure on risk assets, influenced by strong jobs data and rising interest rate expectations.

3. Sept. 2026, 23:26 UTC

Gossamer Bio Inc shares are lower in after-market hours, with no specific news identified for the decline. Major indices rose amid reduced interest rate hike expectations.

2. Sept. 2026, 23:06 UTC

Gossamer Bio Inc. shares are higher in after-market trading, remaining above their 20-day moving average and within the one-month trading range.

1. Sept. 2026, 23:06 UTC

Gossamer Bio Inc. shares declined in after-market trading, influenced by rising oil prices and inflation concerns amid a broader performance below the 20-day moving average.

31. Aug. 2026, 20:07 UTC

Gossamer Bio Inc is higher today amid broader market reactions to potential Federal Reserve interest rate hikes following remarks from Warsh at the Jackson Hole symposium.

28. Aug. 2026, 23:06 UTC

Gossamer Bio Inc. shares are higher in after-market trading, reflecting positive momentum since Friday's close amid broader market volatility.

27. Aug. 2026, 23:01 UTC

Gossamer Bio announced a private placement that could yield up to $250 million, with an initial $25 million expected upfront. Shares are roughly flat in after-market hours.

26. Aug. 2026, 23:01 UTC

Gossamer Bio Inc is higher in after-market trading, reflecting broader market gains amid positive economic data on personal consumption and durable goods orders.

25. Aug. 2026, 23:01 UTC

Gossamer Bio shares were lower in after-market hours, with no specific news identified. The broader market retreated after an initial advance amid falling crude oil prices.

24. Aug. 2026, 23:01 UTC

Gossamer Bio Inc. shares are lower in after-market trading amid notable volatility and ongoing geopolitical tensions involving the U.S. and Iran.

22. Aug. 2026, 00:01 UTC

Gossamer Bio Inc. shares advanced in after-market trading, recovering from earlier lows amid broader market gains despite no specific company news identified.

21. Aug. 2026, 23:01 UTC

Gossamer Bio Inc shares are higher in after-market hours, following broader market gains despite earlier lower trading. No specific news was identified for the move.

20. Aug. 2026, 23:01 UTC

Gossamer Bio shares are lower in after-market trading, reflecting broader market pressures following Walmart's disappointing sales growth and guidance.

19. Aug. 2026, 23:01 UTC

Gossamer Bio Inc shares are higher in after-market hours, following a notable peak earlier in the session. The stock remains below its 20-day moving average.

18. Aug. 2026, 23:01 UTC

Gossamer Bio Inc shares rose in after-market trading following Tuesday's close, though no specific news was identified to explain the movement.

17. Aug. 2026, 23:31 UTC

Gossamer Bio Inc shares are sharply higher in after-market trading, rising significantly despite being below its 20-day moving average and recent declines.

15. Aug. 2026, 00:01 UTC

Gossamer Bio Inc shares are higher in after-market hours, though no specific news explains the movement. The price remains below its 20-day moving average.

14. Aug. 2026, 22:51 UTC

Gossamer Bio Inc. shares are higher in after-market hours, despite disappointing U.S. retail sales data influencing broader market sentiment.

13. Aug. 2026, 23:01 UTC

Gossamer Bio reported second-quarter net income of $16.9 million and plans to submit a New Drug Application for seralutinib in September 2026. Shares are higher in after-market trading.

12. Aug. 2026, 23:01 UTC

Gossamer Bio Inc. shares advanced in after-market trading, continuing a strong performance since July 13, despite earlier fluctuations during the session.