NASDAQ · ASPI

ASP Isotopes Inc. Common Stock

Basic Materials · Chemicals

$2.65

Down-$0.18 (-6.36%)

Updated Oct 11, 2026, 4:48 PM

SID Score

3.2/10

Composite research score

Smart Money

—

Institutional and insider signal

Market cap: 498.79M
P/E ratio: -4.48
Dividend yield: 0.00%
52-week range: $2.51 – $8.54
Volume: 3.81M
Avg. volume: 5.65M

Price performance · ASPI

ASPI price history

1M range · 20 trading sessions · Daily adjusted prices

Prices through Oct 9, 2026

Last close: $2.65
Period change: -16.93%
Period low: $2.60
Period high: $3.25

Daily close

View OHLC price history

ASPI OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 9, 2026	$2.86	$2.86	$2.62	$2.65	3.81M
Oct 8, 2026	$2.80	$2.93	$2.75	$2.83	4.96M
Oct 7, 2026	$2.76	$2.90	$2.69	$2.86	4.23M
Oct 6, 2026	$2.93	$3.00	$2.79	$2.85	4.24M
Oct 5, 2026	$2.93	$3.055	$2.84	$2.93	5.27M
Oct 2, 2026	$2.90	$2.925	$2.75	$2.91	4.21M
Oct 1, 2026	$2.65	$2.78	$2.535	$2.70	5.5M
Sep 30, 2026	$2.76	$2.81	$2.63	$2.65	5.92M
Sep 29, 2026	$2.67	$2.84	$2.605	$2.635	5.49M
Sep 28, 2026	$2.86	$2.868	$2.51	$2.60	8.57M
Sep 25, 2026	$3.00	$3.02	$2.90	$2.925	3.56M
Sep 24, 2026	$2.985	$3.01	$2.88	$2.95	3.53M
Sep 23, 2026	$3.145	$3.145	$3.01	$3.01	2.63M
Sep 22, 2026	$3.19	$3.21	$3.07	$3.18	2.9M
Sep 21, 2026	$3.21	$3.31	$3.15	$3.18	3.6M
Sep 18, 2026	$3.295	$3.3195	$3.035	$3.04	12.44M
Sep 17, 2026	$3.25	$3.35	$3.225	$3.245	3.33M
Sep 16, 2026	$3.26	$3.28	$3.05	$3.15	3.5M
Sep 15, 2026	$3.21	$3.2393	$3.05	$3.16	4.6M
Sep 14, 2026	$3.24	$3.31	$3.18	$3.19	3.86M

Latest ASPI news

The latest Smart Investors Daily articles mentioning ASPI.

sec filingAug 21, 2026

ASP Isotopes Inc. (ASPI) Reports Material Event to SEC

sec filingAug 19, 2026

ASP Isotopes Inc. (ASPI) Reports Material Event to SEC

earningsAug 17, 2026

ASP Isotopes (ASPI) Beats Q2 Earnings Estimates by $0.11

Latest ASPI news

The latest Smart Investors Daily articles mentioning ASPI.

ASPI research

SEC Filings

Recent regulatory filings and source documents.

SEC filing history

Open a filing to view the original source document.

ASPI SEC filings
Filed	Form	Description	Accepted	Document
Oct 2, 2026	8-K	Form 8-K - Current report - Item 7.01	—	Open source
Oct 1, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 30, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 10, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 8, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Sep 4, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 4, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 4, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 20, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Aug 20, 2026	8-K	Form 8-K - Current report - Item 1.01 Item 1.02 Item 2.03 Item 9.01	—	Open source
Aug 18, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Aug 14, 2026	10-Q	Form 10-Q - Quarterly report [Sections 13 or 15(d)]	—	Open source
Aug 6, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Aug 5, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Aug 4, 2026	8-K	Form 8-K - Current report - Item 2.02 Item 7.01 Item 9.01	—	Open source
Jul 30, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Jul 28, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Jul 21, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Jul 16, 2026	8-K	Form 8-K - Current report - Item 8.01 Item 9.01	—	Open source
Jul 15, 2026	8-K	Form 8-K - Current report - Item 1.01 Item 3.02 Item 7.01 Item 9.01	—	Open source
Jul 2, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 2, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 1, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 1, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 25, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Jun 25, 2026	8-K	Form 8-K - Current report - Item 1.01 Item 3.02 Item 7.01 Item 8.01 Item 9.01	—	Open source
Jun 23, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
May 6, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Apr 30, 2026	10-K/A	Form 10-K/A - Annual report [Section 13 and 15(d), not S-K Item 405]: [Amend]	—	Open source
Apr 17, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Apr 17, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Apr 17, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Apr 13, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Apr 13, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Apr 10, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Apr 10, 2026	10-K	Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]	—	Open source
Mar 31, 2026	NT 10-K	Form NT 10-K - Notification of inability to timely file Form 10-K 405, 10-K, 10-KSB 405, 10-KSB, 10-KT, or 10-KT405	—	Open source
Mar 24, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Mar 24, 2026	8-K/A	Form 8-K/A - Current report: [Amend] - Item 9.01	—	Open source
Mar 23, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Mar 10, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Mar 6, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Mar 6, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 5, 2026	8-K	Form 8-K - Current report - Item 7.01 Item 9.01	—	Open source
Mar 2, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jan 30, 2026	8-K	Form 8-K - Current report - Item 1.01	—	Open source
Jan 12, 2026	8-K	Form 8-K - Current report - Item 5.02	—	Open source
Jan 7, 2026	8-K	Form 8-K - Current report - Item 2.01 Item 3.02 Item 8.01 Item 9.01	—	Open source
Dec 29, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Dec 22, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source

Filed

Form

Description

Accepted

Document

Oct 2, 2026

8-K

Form 8-K - Current report - Item 7.01

—

Open source

Oct 1, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Sep 30, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Sep 10, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Sep 8, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Sep 4, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Sep 4, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Sep 4, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Aug 20, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Aug 20, 2026

8-K

Form 8-K - Current report - Item 1.01 Item 1.02 Item 2.03 Item 9.01

—

Open source

Aug 18, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Aug 14, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

—

Open source

Aug 6, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Aug 5, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Aug 4, 2026

8-K

Form 8-K - Current report - Item 2.02 Item 7.01 Item 9.01

—

Open source

Jul 30, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Jul 28, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Jul 21, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Jul 16, 2026

8-K

Form 8-K - Current report - Item 8.01 Item 9.01

—

Open source

Jul 15, 2026

8-K

Form 8-K - Current report - Item 1.01 Item 3.02 Item 7.01 Item 9.01

—

Open source

Jul 2, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jul 2, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jul 1, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jul 1, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jun 25, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Jun 25, 2026

8-K

Form 8-K - Current report - Item 1.01 Item 3.02 Item 7.01 Item 8.01 Item 9.01

—

Open source

Jun 23, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

May 6, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Apr 30, 2026

10-K/A

Form 10-K/A - Annual report [Section 13 and 15(d), not S-K Item 405]: [Amend]

—

Open source

Apr 17, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Apr 17, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Apr 17, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Apr 13, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Apr 13, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Apr 10, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Apr 10, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

—

Open source

Mar 31, 2026

NT 10-K

Form NT 10-K - Notification of inability to timely file Form 10-K 405, 10-K, 10-KSB 405, 10-KSB, 10-KT, or 10-KT405

—

Open source

Mar 24, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Mar 24, 2026

8-K/A

Form 8-K/A - Current report: [Amend] - Item 9.01

—

Open source

Mar 23, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Mar 10, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Mar 6, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Mar 6, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Mar 5, 2026

8-K

Form 8-K - Current report - Item 7.01 Item 9.01

—

Open source

Mar 2, 2026

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Jan 30, 2026

8-K

Form 8-K - Current report - Item 1.01

—

Open source

Jan 12, 2026

8-K

Form 8-K - Current report - Item 5.02

—

Open source

Jan 7, 2026

8-K

Form 8-K - Current report - Item 2.01 Item 3.02 Item 8.01 Item 9.01

—

Open source

Dec 29, 2025

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

Dec 22, 2025

Form 4 - Statement of changes in beneficial ownership of securities

—

Open source

ASP Isotopes Inc. (ASPI) Reports Material Event to SEC

ASP Isotopes Inc. (ASPI) Reports Material Event to SEC

ASP Isotopes (ASPI) Beats Q2 Earnings Estimates by $0.11

Featured By

ASP Isotopes Inc. (ASPI) Reports Material Event to SEC

ASP Isotopes Inc. (ASPI) Reports Material Event to SEC

ASP Isotopes (ASPI) Beats Q2 Earnings Estimates by $0.11