ProtoKinetix, Inc.
PKTX- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001128189
No open-market purchases or sales by ProtoKinetix, Inc. insiders were filed in the last 90 days; 1 institution reported holding it in 13F filings for Q2 2026, worth $200 in total; no superinvestor holds it.
Holders of 5% or more of PKTX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of ProtoKinetix, Inc., largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of ProtoKinetix, Inc. on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
12 Schedule 13D and 13G filings on ProtoKinetix, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jun 17, 2024 | Smith Clarence Edward | 13D/AOld format | – | – | – | SEC |
| Dec 28, 2023 | Smith Clarence Edward | 13D/AOld format | – | – | – | SEC |
| Jun 15, 2023 | Smith Clarence Edward | 13D/AOld format | – | – | – | SEC |
| Feb 15, 2023 | Young Lachlan Grant | 13G/AOld format | – | – | – | SEC |
| Feb 15, 2023 | Smith Alexandra Blake | 13G/AOld format | – | – | – | SEC |
| Feb 15, 2023 | Smith Clarence Edward | 13D/AOld format | – | – | – | SEC |
| Mar 21, 2022 | Smith Clarence Edward | 13D/AOld format | – | – | – | SEC |
| Mar 21, 2022 | Young Lachlan Grant | 13G/AOld format | – | – | – | SEC |
| Mar 21, 2022 | Smith Alexandra Blake | 13G/AOld format | – | – | – | SEC |
| Aug 6, 2021 | Smith Clarence Edward | 13D/AOld format | – | – | – | SEC |
| Aug 6, 2021 | Young Lachlan Grant | 13G/AOld format | – | – | – | SEC |
| Aug 6, 2021 | Young Lachlan Grant | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell ProtoKinetix, Inc. shares.
No Form 144 notices for ProtoKinetix, Inc. are on file.