Stock report · Delisted · Nasdaq
Applied DNA Sciences Inc (APDN)
3.09USD Delisted Final close · Dec 8, 2025
APDN no longer trades. Applied DNA Sciences was delisted from the Nasdaq in December 2025.
All prices on this page are historical. The last trade was on December 8, 2025, at $3.09.
APDN stock price history
Final trading statistics
- Final close
- $3.09
- Final trading day
- Dec 8, 2025
- Market cap at delisting
- $3.99M
- Shares outstanding
- 1.29M
- Final 52-week range
- $0.05 – $7.15
- Avg. volume (final 3 mo.)
- 1,321,893
- All-time high
- $1000000.00 · Nov 1999
- All-time low
- $2.32 · Sep 2025
- Return since IPO
- -100.0%
- Beta
- 0.13
- Book value / share
- $8.06
- Price / book
- 0.38
About Applied DNA Sciences Inc
Applied DNA Sciences, Inc. was a biotechnology company that built and sold technologies for making and detecting DNA. It served customers in the Americas, Europe, Asia and other regions through three segments.
The Therapeutic DNA Production Services segment offered the LinearDNA platform, which makes high-fidelity synthetic DNA without cells for nucleic acid-based therapies. The MDx Testing Services segment provided clinical molecular diagnostics and lab testing, COVID-19 testing under the safeCircle name for schools, businesses and private clients, PCR services, MDx test kits and supplies, and isotopic analysis.
The DNA Tagging and Security Products and Services segment sold SigNature Molecular Tags to verify goods such as cotton and nutraceuticals in supply chains, SigNify portable DNA readers and reagent kits, and fiberTyping, which reads a product's natural DNA to confirm its origin.
Founded in 1983 as Datalink Systems, Inc., it took the Applied DNA Sciences name in 2002 and was based in Stony Brook, New York. Its stock was delisted from the Nasdaq in December 2025, with a final trade on December 8, 2025 at $3.09.
- Exchange (former)
- Nasdaq
- Sector
- Healthcare
- Industry
- Diagnostics & Research
- Headquarters
- Stony Brook, NY
- Employees
- 46
- IPO date
- July 15, 2003
- Delisted
- December 8, 2025
- SEC CIK
- 744452
Applied DNA Sciences financials before the delisting
The last 5 fiscal years Applied DNA Sciences reported as a public company, fiscal year ending September.
APDN revenue and net income
APDN earnings per share
APDN annual financials
| Fiscal year | Revenue | Net income | EPS |
|---|---|---|---|
| FY2025 | $2.14M | −$69.5M | — |
| FY2024 | $3.43M | −$7.0M | −$5.24 |
| FY2023 | $13.37M | −$9.9M | −$0.75 |
| FY2022 | $18.17M | −$8.4M | −$1.00 |
| FY2021 | $9.03M | −$16.0M | −$1.95 |
Net income is GAAP. EPS is adjusted (non-GAAP) EPS, as reported.
Applied DNA Sciences stock FAQ
What happened to Applied DNA Sciences stock?
Applied DNA Sciences was delisted from the Nasdaq in December 2025. The final close was $3.09 on December 8, 2025.
Can I still buy APDN stock?
No. APDN is no longer listed on the Nasdaq or any other U.S. exchange; it was removed on December 8, 2025.
What was the last price of APDN?
APDN last closed at $3.09 on December 8, 2025, which valued the company at about $3.99M.
How did Applied DNA Sciences do in its last full fiscal year?
In fiscal 2025, its last full year as a public company, Applied DNA Sciences reported revenue of $2.14M and net income of −$69.5M.
When did Applied DNA Sciences go public?
Applied DNA Sciences shares started trading on July 15, 2003.
APDN no longer trades, so there is no live quote. The information on this page is for reference only and is not investment advice; see our disclaimer.