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Prophase Labs Inc

PRPH
0.363USD
0.0000.00%
Close 02/06, 16:00ETQuotes delayed by 15 min
1.51MMarket Cap
LossP/E TTM

Prophase Labs Inc

0.363
0.0000.00%

More Details of Prophase Labs Inc Company

ProPhase Labs, Inc. is a biotech, genomics, and consumer products company. The Company is engaged in providing whole genome sequencing solutions, diagnostic development, such as its potentially life-saving test for the early detection of esophageal cancer and a direct-to-consumer marketing platform for OTC dietary supplements. It develops, manufactures, and commercializes health and wellness solutions. Its Diagnostic services segment provides diagnostic information services to a range of customers in the United States, including health plans, third-party payers and government organizations. Its Consumer products segment is engaged in the research, development, manufacture, distribution, marketing and sale of OTC consumer healthcare products and dietary supplements in the United States and provides personal genomics products and services. The Company also develops and markets dietary supplements under the TK Supplement brand, which includes Legendz XL and Triple Edge XL.

Prophase Labs Inc Info

Ticker SymbolPRPH
Company nameProphase Labs Inc
IPO dateJan 16, 1984
CEOKarkus (Ted William)
Number of employees96
Security typeOrdinary Share
Fiscal year-endJan 16
Address711 Stewart Ave, Suite 200
CityNEW YORK
Stock exchangeNASDAQ OMX - NASDAQ BASIC
CountryUnited States of America
Postal code11530
Phone12153450919
Websitehttps://www.prophaselabs.com/
Ticker SymbolPRPH
IPO dateJan 16, 1984
CEOKarkus (Ted William)

Company Executives of Prophase Labs Inc

Name
Name/Position
Position
Shareholding
Change
Mr. Ted William Karkus
Mr. Ted William Karkus
Chairman of the Board, Chief Executive Officer
Chairman of the Board, Chief Executive Officer
321.53K
--
Dr. Louis Gleckel, M.D.
Dr. Louis Gleckel, M.D.
Independent Director
Independent Director
10.38K
--
Mr. Warren Hirsch, CPA
Mr. Warren Hirsch, CPA
Independent Director
Independent Director
--
--
Ms. Carolina Abenante, Esq.
Ms. Carolina Abenante, Esq.
Independent Director
Independent Director
--
--
Mr. Steven M. Plumb, CPA
Mr. Steven M. Plumb, CPA
Fractional Chief Financial Officer
Fractional Chief Financial Officer
--
--
Name
Name/Position
Position
Shareholding
Change
Mr. Ted William Karkus
Mr. Ted William Karkus
Chairman of the Board, Chief Executive Officer
Chairman of the Board, Chief Executive Officer
321.53K
--
Dr. Louis Gleckel, M.D.
Dr. Louis Gleckel, M.D.
Independent Director
Independent Director
10.38K
--
Mr. Warren Hirsch, CPA
Mr. Warren Hirsch, CPA
Independent Director
Independent Director
--
--
Ms. Carolina Abenante, Esq.
Ms. Carolina Abenante, Esq.
Independent Director
Independent Director
--
--
Mr. Steven M. Plumb, CPA
Mr. Steven M. Plumb, CPA
Fractional Chief Financial Officer
Fractional Chief Financial Officer
--
--

Revenue Breakdown

Relevant data have not been disclosed by the company yet.
Relevant data have not been disclosed by the company yet.
By Business
By Region
Relevant data have not been disclosed by the company yet.

Shareholding Stats

Updated: Fri, Feb 6
Updated: Fri, Feb 6
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Karkus (Ted William)
4.89%
Sykon Capital LLC
0.98%
The Vanguard Group, Inc.
0.81%
Susquehanna International Group, LLP
0.61%
Geode Capital Management, L.L.C.
0.46%
Other
92.25%
Shareholders
Shareholders
Proportion
Karkus (Ted William)
4.89%
Sykon Capital LLC
0.98%
The Vanguard Group, Inc.
0.81%
Susquehanna International Group, LLP
0.61%
Geode Capital Management, L.L.C.
0.46%
Other
92.25%
Shareholder Types
Shareholders
Proportion
Individual Investor
5.05%
Investment Advisor
2.97%
Investment Advisor/Hedge Fund
0.63%
Hedge Fund
0.09%
Research Firm
0.07%
Venture Capital
0.04%
Other
91.15%

Institutional Shareholding

Updated: Thu, Jan 1
Updated: Thu, Jan 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2025Q4
80
256.11K
3.90%
-408.05K
2025Q3
86
3.04M
7.33%
-2.51M
2025Q2
91
7.80M
18.77%
+525.30K
2025Q1
95
8.38M
29.57%
+1.62M
2024Q4
97
6.02M
20.15%
-197.61K
2024Q3
101
5.16M
20.53%
-1.27M
2024Q2
102
5.11M
20.47%
-1.25M
2024Q1
100
5.62M
31.27%
-1.27M
2023Q4
102
5.60M
32.69%
-985.39K
2023Q3
105
5.94M
34.65%
-718.97K
View more

Shareholder Activity

Name
Shares Held
Proportion
Change
Chg %
Date
Karkus (Ted William)
321.53K
5.34%
--
--
Apr 29, 2025
Sykon Capital LLC
64.48K
1.07%
--
--
Sep 30, 2025
The Vanguard Group, Inc.
53.19K
0.88%
+12.37K
+30.29%
Sep 30, 2025
Susquehanna International Group, LLP
39.79K
0.66%
+29.59K
+290.03%
Sep 30, 2025
Geode Capital Management, L.L.C.
30.29K
0.5%
+4.39K
+16.93%
Sep 30, 2025
Hightower Advisors, LLC
23.73K
0.39%
+789.00
+3.44%
Sep 30, 2025
Gleckel (Louis)
10.38K
0.17%
--
--
Apr 29, 2025
Swisspartners Investment Network AG
5.00K
0.08%
--
--
Dec 31, 2024
Two Sigma Investments, LP
4.75K
0.08%
+964.00
+25.48%
Sep 30, 2025
View more

Related ETFs

Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
Dimensional US Core Equity 1 ETF
0%
Avantis US Equity ETF
0%
Avantis US Small Cap Equity ETF
0%
iShares Micro-Cap ETF
0%
Dimensional US Core Equity 1 ETF
Proportion0%
Avantis US Equity ETF
Proportion0%
Avantis US Small Cap Equity ETF
Proportion0%
iShares Micro-Cap ETF
Proportion0%

Dividend

A total of 0.00 USD has been distributed in dividends over the past 5 years.
Date
Dividend
Record Date
Payment Date
Ex-dividend Date
No Data

Stock Splits

Date
Ex-dividend Date
Type
Ratio
Dec 12, 2025
Merger
10→1
Date
Ex-dividend Date
Type
Ratio
Dec 12, 2025
Merger
10→1
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