As of September 29, 2026, Purebase's top three insider holders are Craig C Barto (TenPercentOwner, 136.64Mn shares), A Scott Dockter (Chief Executive Officer, 136.64Mn shares), John A Bremer (Director, 136.64Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Craig C Barto | TenPercentOwner | 0 | 136,635,328 | 136,635,328 | 39.4% | 15 Aug, 2025 |
| 2 | John A Bremer | Director, TenPercentOwner | 0 | 136,635,328 | 136,635,328 | 39.4% | 15 Aug, 2025 |
| 3 | A Scott Dockter | Chief Executive Officer | 0 | 72,837,839 | 72,837,839 | 21.0% | 19 May, 2026 |
| 4 | Jeffrey J Guzy | Director | 470,000 | 0 | 470,000 | 0.1% | 02 Jun, 2023 |
| 5 | Kimberly Erin Kurtis | Director | 80,000 | 0 | 80,000 | 0.0% | 02 Jun, 2023 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 08 May, 2026 | A Scott Dockter | Chief Executive Officer | Acquired J | 22,526,655 | $0.02 | $450.53K | 22,526,655 | Indirect |
| 08 May, 2026 | A Scott Dockter | Chief Executive Officer | Acquired C | 50,311,184 | $0.02 | $1.01Mn | 72,837,839 | Indirect |
| 08 May, 2026 | A Scott Dockter | Chief Executive Officer | Disposed C | 1 | $1,000,000.00 | $1.00Mn | 0 | Indirect |
| 16 Jun, 2025 | John A Bremer | Director, TenPercentOwner | Acquired J | 8,436,559 | $0.08 | $674.92K | 117,851,114 | Indirect |
| 16 Jun, 2025 | A Scott Dockter | Chief Executive Officer | Acquired J | 8,436,559 | $0.08 | $674.92K | 117,851,114 | Indirect |
| 16 Jun, 2025 | Craig C Barto | TenPercentOwner | Acquired J | 8,436,559 | $0.08 | $674.92K | 117,851,114 | Indirect |
| 16 Jun, 2025 | Craig C Barto | TenPercentOwner | Acquired J | 13,449,106 | $0.08 | $1.08Mn | 131,300,220 | Indirect |
| 16 Jun, 2025 | John A Bremer | Director, TenPercentOwner | Acquired J | 13,449,106 | $0.08 | $1.08Mn | 131,300,220 | Indirect |
| 16 Jun, 2025 | A Scott Dockter | Chief Executive Officer | Acquired J | 13,449,106 | $0.08 | $1.08Mn | 131,300,220 | Indirect |
| 16 Jun, 2025 | John A Bremer | Director, TenPercentOwner | Acquired J | 5,335,108 | $0.08 | $426.81K | 136,635,328 | Indirect |
| 16 Jun, 2025 | Craig C Barto | TenPercentOwner | Acquired J | 5,335,108 | $0.08 | $426.81K | 136,635,328 | Indirect |
| 16 Jun, 2025 | A Scott Dockter | Chief Executive Officer | Acquired J | 5,335,108 | $0.08 | $426.81K | 136,635,328 | Indirect |
| 20 Dec, 2023 | Stephen Craig Gillings | Cfo | Acquired A | 200,000 | $0.09 | $18.00K | 200,000 | Direct |
| 28 Sep, 2023 | Kimberly Erin Kurtis | Director | Acquired A | 200,000 | $0.15 | $30.00K | 200,000 | Direct |
| 13 Sep, 2023 | Bradford Charles Barto | Director | Acquired A | 200,000 | $0.15 | $30.00K | 200,000 | Direct |
| 25 May, 2023 | Kimberly Erin Kurtis | Director | Acquired P | 80,000 | $0.15 | $12.00K | 80,000 | Direct |
| 25 May, 2023 | Jeffrey J Guzy | Director | Acquired P | 80,000 | $0.15 | $12.00K | 320,000 | Direct |
| 25 May, 2023 | Jeffrey J Guzy | Director | Acquired P | 150,000 | $0.08 | $12.00K | 470,000 | Direct |
| 27 Feb, 2023 | A Scott Dockter | Chief Executive Officer | Disposed J | 400,000 | — | — | 36,642,795 | Direct |