PRPHOTCPharmaceutical PreparationsFiscal year ends December 31
ProPhase Labs, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 19, 2026
$0.01−0.00 (-6.16%)
Close on Oct 19, 2026
- Market cap
- $119.68K
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
0.0%
0M of 16M shares
Institutional holders
2
0 new, 0 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| ProPhase Labs, Inc. | 631,195 | 5.00% | 13G (passive) amendment | Dec 31, 2023 |
| Ted Karkus | 3,683,750 | 20.30% | 13D (active) amendment | Mar 17, 2024 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of PRPH | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Farther Finance Advisors, LLC | 10 | 0.00% | $1 | – | 0.00% |
| CoreCap Advisors, LLC | 10 | 0.00% | $1 | – | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 2 | 0M | 0.0% | 0 / 0 | 0 / 0 | 0M | 0M |
| Q1 2026 | 2 | 0M | 0.0% | 0 / 1 | 1 / 14 | 0M | 0M |
| Q4 2025 | 17 | 0M | 1.3% | 17 / 0 | 0 / 0 | 0M | 0M |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Ted William Karkus | CEO & CHAIRMAN, Director | 3,583,750 | 22.98% | Sep 11, 2025 |
| Stuart Hollenshead | Chief Operating Officer | – | – | Feb 21, 2025 |
| Carolina Abenante | Director | – | – | Nov 10, 2025 |
| Louis Gleckel Md | Director | 273,840 | 1.76% | Feb 18, 2025 |
| Warren Hirsch | Director | – | – | Feb 18, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Apr 5, 2023 | Gift | +50,000 | – | – | 150,000 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Apr 5, 2023 | Gift | −50,000 | – | – | 3,433,750 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Apr 3, 2023 | Gift | −100,000 | – | – | 3,483,750 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Feb 1, 2023 | Tax withholding | −268,337 | $8.18 | $2.19M | 3,583,750 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Feb 1, 2023 | Option exercise | +500,000 | $0.60 | $300.00K | 3,852,087 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Jan 13, 2023 | Tax withholding | −319,231 | $9.36 | $2.99M | 3,352,087 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Jan 13, 2023 | Option exercise | +600,000 | $0.60 | $360.00K | 3,671,318 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Oct 16, 2022 | Tax withholding | −317,291 | $10.41 | $3.30M | 3,071,318 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Oct 16, 2022 | Option exercise | +600,000 | $0.60 | $360.00K | 3,388,609 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Aug 10, 2022 | Tax withholding | −316,605 | $10.84 | $3.43M | 2,788,609 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Aug 10, 2022 | Option exercise | +600,000 | $0.60 | $360.00K | 3,105,214 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | May 23, 2022 | Tax withholding | −278,257 | $8.47 | $2.36M | 2,505,214 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | May 23, 2022 | Option exercise | +450,000 | $2.00 | $900.00K | 2,783,471 |
| Monica L. Brady Chief Accounting Officer | May 23, 2022 | Tax withholding | −11,806 | $8.47 | $100.00K | 34,872 |
| Monica L. Brady Chief Accounting Officer | May 23, 2022 | Option exercise | +14,250 | $3.18 | $45.32K | 46,678 |
| Monica L. Brady Chief Accounting Officer | May 23, 2022 | Option exercise | +25,000 | $2.15 | $53.75K | 32,428 |
| Jason Michael Barr Director | Mar 10, 2022 | Buy | +721 | $6.48 | $4.67K | 30,962 |
| Jason Michael Barr Director | Mar 10, 2022 | Buy | +750 | $6.48 | $4.86K | 30,991 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Jun 3, 2021 | Buy | +33,943 | $5.07 | $172.09K | 2,333,471 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | May 7, 2021 | Gift | +60,000 | – | – | 100,000 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | May 7, 2021 | Gift | −120,000 | – | – | 2,299,528 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Aug 13, 2020 | Sale | −50,000 | $2.75 | $137.50K | 2,419,528 |
| Louis Gleckel Md Director | Aug 13, 2020 | Buy | +50,000 | $2.75 | $137.50K | 273,840 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Jul 9, 2020 | Gift | +28,600 | – | – | 40,000 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Jul 9, 2020 | Gift | +25,550 | – | – | 40,000 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Jul 9, 2020 | Gift | −54,150 | – | – | 2,469,528 |
| Louis Gleckel Md Director | Jul 1, 2020 | Award | +7,878 | $1.43 | $11.27K | 223,840 |
| Jason Michael Barr Director | Jul 1, 2020 | Award | +4,727 | $1.43 | $6.76K | 30,241 |
| Louis Gleckel Md Director | Apr 1, 2020 | Award | +6,068 | $1.85 | $11.23K | 215,962 |
| Jason Michael Barr Director | Apr 1, 2020 | Award | +3,641 | $1.85 | $6.74K | 25,514 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Mar 26, 2020 | Sale | −100,000 | $1.75 | $175.00K | 2,549,528 |
| Louis Gleckel Md Director | Mar 26, 2020 | Buy | +100,000 | $1.75 | $175.00K | 209,894 |
| Jason Michael Barr Director | Jan 1, 2020 | Award | +2,782 | $2.02 | $5.62K | 21,873 |
| Louis Gleckel Md Director | Jan 1, 2020 | Award | +5,564 | $2.02 | $11.24K | 109,894 |
| Louis Gleckel Md Director | Oct 1, 2019 | Award | +5,740 | $1.96 | $11.25K | 104,330 |
| Jason Michael Barr Director | Oct 1, 2019 | Buy | +2,870 | $1.96 | $5.63K | 19,091 |
| Jason Michael Barr Director | Aug 15, 2019 | Buy | +2,500 | $2.05 | $5.13K | 16,221 |
| Jason Michael Barr Director | Aug 14, 2019 | Buy | +6,000 | $2.05 | $12.30K | 13,721 |
| Louis Gleckel Md Director | Jul 1, 2019 | Award | +4,727 | $2.38 | $11.25K | 98,590 |
| Louis Gleckel Md Director | Apr 3, 2019 | Award | +3,571 | $3.15 | $11.25K | 93,863 |
| Louis Gleckel Md Director | Jan 2, 2019 | Award | +3,583 | $3.14 | $11.25K | 90,292 |
| Mark A. Burnett Director | Oct 1, 2018 | Award | +3,737 | $3.01 | $11.25K | 318,282 |
| Louis Gleckel Md Director | Oct 1, 2018 | Award | +3,737 | $3.01 | $11.25K | 86,709 |
| Mark A. Burnett Director | Jul 19, 2018 | Award | +3,737 | $3.01 | $11.25K | 314,545 |
| Louis Gleckel Md Director | Jul 19, 2018 | Award | +3,737 | $3.01 | $11.25K | 82,972 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | May 15, 2018 | Option exercise | +150,000 | $2.00 | $300.00K | 2,704,574 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | May 15, 2018 | Option exercise | +100,000 | $1.65 | $165.00K | 2,584,849 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | May 15, 2018 | Tax withholding | −30,275 | $5.45 | $165.00K | 2,554,574 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | May 15, 2018 | Tax withholding | −55,046 | $5.45 | $300.00K | 2,649,528 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Dec 21, 2017 | Sale | −424,789 | $2.30 | $977.01K | 2,484,849 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Dec 14, 2017 | Option exercise | +600,000 | $1.00 | $600.00K | 2,909,638 |
| Robert V. Cuddihy Jr Chief Financial Officer | Sep 29, 2017 | Sale | −358,621 | $2.30 | $824.83K | 132,703 |
| Ted William Karkus CEO & CHAIRMAN, Director, 10% owner | Sep 29, 2017 | Sale | −364,950 | $2.30 | $839.38K | 2,309,638 |
| Braden Michael Leonard 10% owner | Sep 29, 2017 | Sale | −1,695,305 | $2.30 | $3.90M | 627,322 |
| Jason Michael Barr Director | Sep 29, 2017 | Sale | −4,379 | $2.30 | $10.07K | 7,721 |
| Robert V. Cuddihy Jr Chief Financial Officer | Sep 14, 2017 | Option exercise | +120,000 | $1.65 | $198.00K | 451,324 |
| Robert V. Cuddihy Jr Chief Financial Officer | Sep 14, 2017 | Option exercise | +200,000 | $1.00 | $200.00K | 331,324 |
| Robert V. Cuddihy Jr Chief Financial Officer | Sep 14, 2017 | Option exercise | +40,000 | $1.39 | $55.60K | 491,324 |
| Mark S. Leventhal Director | Nov 30, 2015 | Buy | +948 | $1.48 | $1.40K | 881,980 |
| Mark S. Leventhal Director | Nov 30, 2015 | Award | +948 | $1.48 | $1.40K | 881,980 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.