Nasdaq · FLNA · stock

Filana Therapeutics, INC. (FLNA) stock price history

Every Nasdaq trading session of Filana Therapeutics, INC. from Jul 14, 2000 to Nov 12, 2026: 6,600 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

FLNA adjusted close, 2000 to 2026

FLNAFilana Therapeutics, INC.
$0.4480-86.3% over one year
20052010201520202025
$135.30
All time high, 2021
$3.45
52 week high, $0.4300 low
6,600
Daily sessions since 2000

Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2000 to 2026 series and minute bars.

FLNA key facts

  • Filana Therapeutics, INC. (FLNA) closed at $0.4480 on Nov 12, 2026 on Nasdaq.
  • FLNA's all time high close is $135.30, set on Jul 28, 2021; its all time low close is $0.4480 on Nov 12, 2026.
  • FLNA's 52 week range is $0.4300 to $3.45.
  • FLNA returned -86.3% over the year to Nov 12, 2026 and -99.3% over five years.
  • Over ten years FLNA returned -90%, -20.6% a year compounded.
  • FLNA's deepest drawdown was -99.7% from Jul 28, 2021 to Nov 12, 2026.
  • DataCedar holds 6,600 daily sessions of FLNA history from Jul 14, 2000 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

FLNA price chart, 2000 to 2026

FLNA adjusted close, Jul 14, 2000 to Nov 12, 2026$0.4480$2.62$15.28$89.24200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

FLNA returns

Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.

PeriodReturn
1 month-41.8%
3 months-51.8%
6 months-62.7%
Year to date-77.9%
1 year-86.3%
3 years-97.7%
5 years-99.3%
10 years-90.0%
Since Jul 14, 2000-99.5%
Compound annual growth, 26.3 years-18.2%

FLNA records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
$135.30 on Jul 28, 2021
All time low close
$0.4480 on Nov 12, 2026
52 week high
$3.45 on Nov 26, 2025
52 week low
$0.4300 on Nov 6, 2026
Deepest drawdown
-99.7% from Jul 28, 2021 to Nov 12, 2026, not yet recovered
Best single session
+202.1% on Oct 3, 2018
Worst single session
-83.8% on Nov 25, 2024
Volatility, 1 year annualised
87.4%
Sessions closing higher, 1 year
39%
Best calendar year
2021, +541%
Worst calendar year
2024, -90%

FLNA price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2000 starts on Jul 14, 2000; 2026 runs to Nov 12, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$2.00$2.49$0.4300$0.4480-77.4%207.5M218
2025$2.38$4.98$1.15$1.98-16.1%424.5M250
2024$22.27$42.20$2.23$2.36-89.5%659.7M252
2023$29.85$38.53$12.32$22.51-23.8%273.2M250
2022$44.80$62.49$13.84$29.54-32.4%518.4M251
2021$6.84$146.16$6.78$43.70+540.8%1.4B252
2020$7.23$12.68$1.63$6.82+31.2%1.1B253
2019$0.8500$7.20$0.8400$5.20+511.8%202.9M252
2018$4.05$12.80$0.7600$0.8500-78.7%252.3M251
2017$4.06$9.31$3.10$4.00+0.3%42M251
2016$12.04$21.00$3.57$3.99-67.4%11.8M252
2015$14.28$25.55$10.71$12.25-13.8%11.4M252
2014$34.02$43.54$11.27$14.21-58.2%11.4M252
2013$19.25$38.99$15.05$34.02+79.3%11.9M252
2012$20.67$31.38$14.40$18.97-6.8%5.7M250
2011$36.30$55.95$17.56$20.35-43.7%15.8M252
2010$22.15$37.00$17.30$36.14+65.3%6.3M249
2009$24.19$27.37$13.05$21.87-9.5%7.8M252
2008$43.08$43.77$22.44$24.15-44.2%11.1M253
2007$36.88$46.91$28.56$43.24+19.1%11.9M251
2006$28.96$48.14$27.98$36.31+31.7%17M250
2005$30.51$38.55$19.50$27.58-7.1%9.4M250
2004$28.39$40.22$23.54$29.70+4.7%7.3M245
2003$10.20$36.51$6.85$28.35+190.8%5.9M250
2002$36.80$49.44$8.16$9.75-73.9%2.5M249
2001$61.19$64.25$21.62$37.37-38.4%2.9M244
2000$59.15$107.59$32.64$60.68n/a2.4M117

FLNA monthly closes, last 12 months

MonthMonth end closeChange
November 2026$0.4480-27.7%
October 2026$0.6200-30.3%
September 2026$0.8900-1.1%
August 2026$0.9000-10.9%
July 2026$1.01-15.1%
June 2026$1.19-22.7%
May 2026$1.54+6.2%
April 2026$1.45-14.2%
March 2026$1.69-25.9%
February 2026$2.28+14.6%
January 2026$1.99+0.5%
December 2025$1.98-39.1%

About the FLNA data

Daily bars. 6,600 sessions from Jul 14, 2000 to Nov 12, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Jul 13, 2026 forward, most recent session Oct 23, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Jul 14, 2000, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/nasdaq%3AFLNA/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

FLNA share price history

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