No.1
Disclosure
2026/10/10 06:19
臨時報告（重要事象）（8-K）
定款・決算期の変更（Item 5.03）／財務諸表および添付資料（Item 9.01）
定款・決算期の変更（Item 5.03）／財務諸表および添付資料（Item 9.01）
SER Serina Therapeutics, Inc.US-listed
1 post
Serina Therapeutics, Inc. stock plunged on Nov 6: what happened
It closed at $1.38 on Nov 6 (−$0.27, −16.36%), ranking #45 among the top losers of 5,526 US stocks priced $1 or more.
No disclosures were found for this stock around that day. Share what you know in the posts below.
Changes are calculated from the closing prices this site collects daily. Please make your own investment decisions.
Serina Therapeutics, Inc. (SER) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
Serina Therapeutics, Inc. (SER) Stock Price HistoryNear an all-time low
Serina Therapeutics, Inc. closed at $1.38 on Nov 6, 2026, −32.4% over 1 month, −64.7% over 1 year.
Price5-day MA25-day MAS&P 500Disclosures
1-Month High$2.04Oct 6
1-Month Low$1.38Nov 6
1-Week Change−28.9%vs Oct 30
1-Month Change−32.4%vs Oct 6
If you had invested $1,000 1 month ago, it would be worth $676 today (−32.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −5.7%, while this stock moved −32.4%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $1.38 | −0.27 | −16.36% |
| Nov 5 (Thu) | $1.65 | −0.04 | −2.37% |
| Nov 4 (Wed) | $1.69 | −0.14 | −7.65% |
| Nov 3 (Tue) | $1.83 | −0.02 | −1.08% |
| Nov 2 (Mon) | $1.85 | −0.09 | −4.64% |
| Oct 30 (Fri) | $1.94 | +0.05 | +2.65% |
| Oct 29 (Thu) | $1.89 | +0.25 | +15.24% |
| Oct 28 (Wed) | $1.64 | −0.03 | −1.80% |
| Oct 27 (Tue) | $1.67 | −0.04 | −2.34% |
| Oct 26 (Mon) | $1.71 | +0.06 | +3.64% |
Price5-day MA25-day MAS&P 500Disclosures
3-Month High$2.87Aug 21
3-Month Low$1.38Nov 6
1-Month Change−32.4%vs Oct 6
3-Month Change−41.3%vs Aug 6
If you had invested $1,000 3 months ago, it would be worth $587 today (−41.3%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −4.3%, while this stock moved −41.3%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $1.38 | −0.27 | −16.36% |
| Nov 5 (Thu) | $1.65 | −0.04 | −2.37% |
| Nov 4 (Wed) | $1.69 | −0.14 | −7.65% |
| Nov 3 (Tue) | $1.83 | −0.02 | −1.08% |
| Nov 2 (Mon) | $1.85 | −0.09 | −4.64% |
| Oct 30 (Fri) | $1.94 | +0.05 | +2.65% |
| Oct 29 (Thu) | $1.89 | +0.25 | +15.24% |
| Oct 28 (Wed) | $1.64 | −0.03 | −1.80% |
| Oct 27 (Tue) | $1.67 | −0.04 | −2.34% |
| Oct 26 (Mon) | $1.71 | +0.06 | +3.64% |
Price25-day MA75-day MAS&P 500Disclosures
6-Month High$2.87Aug 21
6-Month Low$1.38Nov 6
3-Month Change−41.3%vs Aug 6
6-Month Change−24.6%vs May 6
If you had invested $1,000 6 months ago, it would be worth $754 today (−24.6%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +0.2%, while this stock moved −24.6%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $1.38 | −28.9% |
| Oct 2026 | $1.94 | −3.0% |
| Sep 2026 | $2.00 | −17.4% |
| Aug 2026 | $2.42 | +21.0% |
| Jul 2026 | $2.00 | +3.1% |
| Jun 2026 | $1.94 | +5.4% |
| May 2026 | $1.84 | +1.1% |
Price25-day MA75-day MAS&P 500Disclosures
52-Week High$4.26Nov 28
52-Week Low$1.28Mar 18
Year to Date−27.9%vs Dec 31
From 52-Week High−67.6%Nov 28
If you had invested $1,000 1 year ago, it would be worth $353 today (−64.7%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +9.6%, while this stock moved −64.7%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $1.38 | −28.9% |
| Oct 2026 | $1.94 | −3.0% |
| Sep 2026 | $2.00 | −17.4% |
| Aug 2026 | $2.42 | +21.0% |
| Jul 2026 | $2.00 | +3.1% |
| Jun 2026 | $1.94 | +5.4% |
| May 2026 | $1.84 | +1.1% |
| Apr 2026 | $1.82 | −6.2% |
| Mar 2026 | $1.94 | +7.2% |
| Feb 2026 | $1.81 | −44.3% |
| Jan 2026 | $3.25 | +69.9% |
| Dec 2025 | $1.91 | −55.1% |
| Nov 2025 | $4.26 | ― |
Price13-week MA26-week MAS&P 500
3-Year High$22.32Mar 11, 2024
3-Year Low$1.38Nov 6, 2026
Annualized Return−59.8%
Max Drawdown−93.8%
If you had invested $1,000 3 years ago, it would be worth $65 today (−93.5%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +67.1%, while this stock moved −93.5%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $1.38 | −27.9% |
| 2025 | $1.91 | ― |
Price13-week MA26-week MAS&P 500
5-Year High$39.29Jan 3, 2022
5-Year Low$1.38Nov 6, 2026
Annualized Return−45.6%
Max Drawdown−96.5%
If you had invested $1,000 5 years ago, it would be worth $48 today (−95.2%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +57.5%, while this stock moved −95.2%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $1.38 | −27.9% |
| 2025 | $1.91 | ― |
Price1-year MA2-year MAS&P 500
All-Time High$192.86Nov 2018
All-Time Low$1.38Nov 2026
Total Change−99.3%vs Nov 2018
Annualized Return−46.3%
If you had invested $1,000 in Nov 2018, it would be worth $7 today (−99.3%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +167.3%, while this stock moved −99.3%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $1.38 | −33.6% |
| 2025 | $2.08 | −59.9% |
| 2024 | $5.18 | −62.3% |
| 2023 | $13.75 | −30.3% |
| 2022 | $19.71 | −49.4% |
| 2021 | $38.93 | −28.3% |
| 2020 | $54.29 | −20.0% |
| 2019 | $67.86 | −46.3% |
| 2018 | $126.43 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Nov 2018). Please check the latest prices before trading.
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