PKTXOTCPharmaceutical PreparationsFiscal year ends December 31
ProtoKinetix, Inc.
Financials through Q4 FY2025, quarter ended Dec 31, 2025Last filing: 10-K on Sep 3, 2026
$0.00+0.00 (0.00%)
Close on Oct 16, 2026
- Market cap
- $78.61K
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
0.0%
0M of 412M shares
Institutional holders
1
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 |
|---|---|---|---|---|
| Clarence E. Smith | 115,987,093 | 29.49% | 13D (active) amendment | Jun 13, 2024 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of PKTX | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Williams Jones Wealth Management, LLC. | 20,000 | 0.00% | $200 | – | 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 | 1 | 0M | 0.0% | 0 / 0 | 0 / 0 | 0M | 0M |
| Q1 2026 | 1 | 0M | 0.0% | 0 / 0 | 0 / 0 | 0M | 0M |
| Q4 2025 | 1 | 0M | 0.0% | 0 / 0 | 0 / 0 | 0M | 0M |
| Q3 2025 | 1 | 0M | 0.0% | 0 / 0 | 0 / 0 | 0M | 0M |
| Q2 2025 | 1 | 0M | 0.0% | 0 / 0 | 0 / 0 | 0M | 0M |
| Q1 2025 | 1 | 0M | 0.0% | 0 / 0 | 0 / 0 | 0M | 0M |
| Q4 2024 | 1 | 0M | 0.0% | 0 / 0 | 0 / 0 | 0M | 0M |
| Q3 2024 | 1 | 0M | 0.0% | 0 / 0 | 0 / 1 | 0M | 0M |
| Q2 2024 | 2 | 0M | 0.0% | 0 / 0 | 0 / 0 | 0M | 0M |
| Q1 2024 | 2 | 0M | 0.0% | 0 / 0 | 0 / 0 | 0M | 0M |
| Q4 2023 | 2 | 0M | 0.0% | 0 / 0 | 0 / 0 | 0M | 0M |
| Q3 2023 | 2 | 0M | 0.0% | 0 / 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 |
|---|---|---|---|---|
| Keith R. Brunt | President, Director | 3,072,572 | 0.75% | Jul 7, 2026 |
| Jason G. Lamp | Director | 6,496,878 | 1.58% | Jul 28, 2026 |
| Michael Winston Jones | Director | 6,400,000 | 1.55% | Jun 24, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Clarence Edward Smith President & CEO, Director, 10% owner | Sep 26, 2024 | Buy | +2,000,000 | $0.01 | $20.00K | 70,214,444 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Jun 14, 2024 | Buy | +3,100,000 | $0.01 | $31.00K | 68,214,444 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Jun 13, 2024 | Buy | +3,400,000 | $0.01 | $34.00K | 65,114,444 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Mar 29, 2024 | Buy | +2,500,000 | $0.01 | $25.00K | 61,714,444 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Mar 20, 2024 | Buy | +666,667 | $0.02 | $13.33K | 59,214,444 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Dec 26, 2023 | Buy | +7,333,334 | $0.02 | $146.67K | 58,547,777 |
| Michael Richard Guzzetta CFO | Oct 26, 2023 | Buy | +20,000 | $0.02 | $400 | 736,369 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Aug 29, 2023 | Buy | +1,500,000 | $0.02 | $30.00K | 51,214,443 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Jun 15, 2023 | Buy | +2,000,000 | $0.02 | $40.00K | 49,714,443 |
| Clarence Edward Smith President & CEO, Director, 10% owner | May 22, 2023 | Buy | +3,750,000 | $0.02 | $75.00K | 47,714,443 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Jan 23, 2023 | Buy | +2,000,000 | $0.02 | $40.00K | 43,964,443 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Dec 30, 2022 | Buy | +1,850,000 | $0.02 | $37.00K | 41,964,443 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Dec 21, 2022 | Buy | +100,000 | $0.03 | $3.00K | 13,572,649 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Dec 16, 2022 | Buy | +65,000 | $0.03 | $1.95K | 13,472,649 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Dec 15, 2022 | Buy | +78,400 | $0.03 | $2.35K | 13,407,649 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Dec 14, 2022 | Buy | +94,089 | $0.02 | $1.88K | 13,329,249 |
| Lachlan Grant Young 10% owner | Dec 13, 2022 | Other | −1,125,600 | – | – | 0 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Dec 8, 2022 | Buy | +2,520,000 | $0.03 | $75.60K | 40,114,443 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Sep 29, 2022 | Buy | +3,333,333 | $0.03 | $100.00K | 37,594,443 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Jul 11, 2022 | Buy | +2,666,667 | $0.03 | $80.00K | 34,261,110 |
| Michael Richard Guzzetta CFO | May 16, 2022 | Buy | +10,000 | $0.05 | $500 | 716,369 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Mar 30, 2022 | Buy | +600,000 | $0.05 | $30.00K | 31,594,443 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Mar 18, 2022 | Buy | +1,000,000 | $0.05 | $50.00K | 30,994,443 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Dec 22, 2021 | Buy | +833,333 | $0.06 | $50.00K | 29,994,443 |
| Michael Richard Guzzetta CFO | Sep 1, 2021 | Buy | +1,500 | $0.15 | $225 | 706,369 |
| Michael Richard Guzzetta CFO | Aug 26, 2021 | Buy | +1,000 | $0.15 | $150 | 704,869 |
| Michael Richard Guzzetta CFO | Aug 19, 2021 | Buy | +2,500 | $0.11 | $275 | 703,869 |
| Michael Richard Guzzetta CFO | Apr 27, 2021 | Sale | −1,500 | $0.23 | $345 | 701,369 |
| Michael Richard Guzzetta CFO | Apr 26, 2021 | Sale | −12,000 | $0.25 | $3.00K | 702,869 |
| Michael Richard Guzzetta CFO | Apr 22, 2021 | Sale | −11,500 | $0.21 | $2.42K | 714,869 |
| Michael Richard Guzzetta CFO | Apr 21, 2021 | Sale | −2,500 | $0.19 | $475 | 726,369 |
| Michael Richard Guzzetta CFO | Apr 13, 2021 | Tax withholding | +194,444 | $0.07 | $13.61K | 728,869 |
| Michael Richard Guzzetta CFO | Apr 13, 2021 | Option exercise | +555,556 | $0.07 | $38.89K | 728,869 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Jan 12, 2021 | Buy | +142,857 | $0.07 | $10.00K | 29,161,110 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Nov 2, 2020 | Buy | +107,143 | $0.07 | $7.50K | 29,019,253 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Aug 4, 2020 | Buy | +1,000,000 | $0.07 | $70.00K | 28,911,110 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Aug 4, 2020 | Gift | −27,500,000 | – | – | 27,911,110 |
| Clarence Edward Smith President & CEO, Director, 10% owner | May 29, 2020 | Buy | +511,111 | $0.09 | $46.00K | 55,411,110 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Jan 3, 2020 | Buy | +4,200 | $0.10 | $420 | 13,235,160 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Dec 31, 2019 | Buy | +45,249 | $0.11 | $4.98K | 13,230,960 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Dec 30, 2019 | Buy | +21,551 | $0.10 | $2.16K | 13,185,711 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Dec 19, 2019 | Buy | +216,666 | $0.12 | $26.00K | 54,899,999 |
| Michael Richard Guzzetta CFO | Sep 24, 2019 | Tax withholding | +152,174 | $0.07 | $10.65K | 173,313 |
| Michael Richard Guzzetta CFO | Sep 24, 2019 | Option exercise | +97,826 | $0.07 | $6.85K | 173,313 |
| Michael Richard Guzzetta CFO | Sep 20, 2019 | Award | +1,000 | $0.12 | $120 | 75,487 |
| Michael Richard Guzzetta CFO | Sep 18, 2019 | Award | +2,500 | $0.14 | $350 | 74,487 |
| Michael Richard Guzzetta CFO | Jun 13, 2019 | Buy | +1,000 | $0.18 | $180 | 71,987 |
| Michael Richard Guzzetta CFO | Jun 12, 2019 | Buy | +1,000 | $0.23 | $230 | 70,987 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Jun 4, 2019 | Buy | +21,000 | $0.16 | $3.36K | 6,467,883 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Jun 3, 2019 | Buy | +33,000 | $0.15 | $4.95K | 6,446,883 |
| Clarence Edward Smith President & CEO, Director, 10% owner | May 31, 2019 | Buy | +88,252 | $0.15 | $13.24K | 6,413,883 |
| Michael Richard Guzzetta CFO | May 10, 2019 | Buy | +2,500 | $0.12 | $300 | 69,987 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Apr 29, 2019 | Buy | +41,303 | $0.09 | $3.72K | 6,325,631 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Apr 25, 2019 | Buy | +34,600 | $0.08 | $2.77K | 6,284,328 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Apr 23, 2019 | Buy | +60,294 | $0.09 | $5.43K | 6,249,728 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Apr 23, 2019 | Buy | +29,610 | $0.08 | $2.37K | 6,189,434 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Apr 23, 2019 | Buy | +20,390 | $0.08 | $1.63K | 6,159,824 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Apr 22, 2019 | Buy | +53,333 | $0.08 | $4.27K | 6,139,434 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Apr 22, 2019 | Buy | +12,500 | $0.75 | $9.38K | 6,086,101 |
| Clarence Edward Smith President & CEO, Director, 10% owner | Apr 15, 2019 | Buy | +38,000 | $0.07 | $2.66K | 6,073,601 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.