In the last 12 months, insiders at DiaMedica Therapeutics Inc. ($DMAC) filed 91 transactions with the SEC: 30 open-market purchases totaling $42,882,019 and 0 sales totaling $0. Net insider sentiment: net buying.
DiaMedica Therapeutics Inc. operates in the Pharmaceutical preparations industry (Life sciences sector).
Most Active Insiders
- STAHLBERG JAN (TenPercentOwner) — 18 transactions totaling $21,989,576
- Von Koch Thomas (TenPercentOwner) — 3 transactions totaling $17,999,996
- JACINTO RICHARD II (TenPercentOwner) — 1 transaction totaling $1,400,000
- Wambeke David J. (Chief Business Officer) — 6 transactions totaling $949,203
- Giuffre Randall Michael (Director) — 12 transactions totaling $463,215
View all SEC Filings for DiaMedica Therapeutics Inc. (DMAC).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 2, 2026 | Parsons James T. | Not found | A | Common Stock | 10095 | $8.42 | 97,949.0000 | 52,077,439 | 11.49% | 0.02% |
| Jan. 2, 2026 | Giuffre Randall Michael | Not found | A | Common Stock | 6175 | $8.42 | 445,230.0000 | 52,077,439 | 1.41% | 0.01% |
| Jan. 2, 2026 | Semba Charles Pauling | Not found | A | Common Stock | 3355 | $8.42 | 47,963.0000 | 52,077,439 | 7.52% | 0.01% |
| Nov. 25, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 73099 | $8.57 | 8,825,742.0000 | 52,077,439 | 0.84% | 0.14% |
| Nov. 17, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 187393 | $6.52 | 7,951,858.0000 | 52,077,439 | 2.41% | 0.36% |
| Nov. 21, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 208872 | $7.41 | 8,712,390.0000 | 52,077,439 | 2.46% | 0.40% |
| Nov. 24, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 40253 | $7.89 | 8,752,643.0000 | 52,077,439 | 0.46% | 0.08% |
| Nov. 20, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 128426 | $7.41 | 8,503,518.0000 | 52,077,439 | 1.53% | 0.25% |
| Nov. 19, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 240352 | $7.21 | 8,375,092.0000 | 52,077,439 | 2.95% | 0.46% |
| Nov. 18, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 182882 | $6.75 | 8,134,740.0000 | 52,077,439 | 2.30% | 0.35% |
| Nov. 21, 2025 | Parsons James T. | Not found | M | Common Stock | 12000 | $2.20 | 87,854.0000 | 52,077,439 | 15.82% | 0.02% |
| Nov. 21, 2025 | Parsons James T. | Not found | M | Stock Option (right to buy) | 12000 | $0.00 | 0.0000 | 52,077,439 | 100.00% | 0.02% |
| Aug. 11, 2025 | Krop Julie | Chief Marketing Officer | A | Stock Option (right to buy) | 450000 | $0.00 | 450,000.0000 | 42,855,660 | 9999.99% | 1.05% |
| Aug. 25, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 338265 | $6.00 | 7,654,045.0000 | 42,855,660 | 4.62% | 0.79% |
| Aug. 26, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 59648 | $6.00 | 7,713,693.0000 | 42,855,660 | 0.78% | 0.14% |
| Aug. 27, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 50772 | $6.00 | 7,764,465.0000 | 42,855,660 | 0.66% | 0.12% |
| Aug. 13, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 293601 | $5.91 | 7,058,066.0000 | 42,855,660 | 4.34% | 0.69% |
| Aug. 14, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 70414 | $5.99 | 7,128,480.0000 | 42,855,660 | 1.00% | 0.16% |
| Aug. 15, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 8233 | $6.00 | 7,136,713.0000 | 42,855,660 | 0.12% | 0.02% |
| Aug. 20, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 71107 | $5.86 | 7,207,820.0000 | 42,855,660 | 1.00% | 0.17% |
| Aug. 21, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 48172 | $5.96 | 7,255,992.0000 | 42,855,660 | 0.67% | 0.11% |
| Aug. 22, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 59788 | $5.96 | 7,315,780.0000 | 42,855,660 | 0.82% | 0.14% |
| July 23, 2025 | JACINTO RICHARD II | TenPercentOwner | P | Voting Common Shares, no par value per share | 400000 | $3.50 | 4,958,823.0000 | 42,855,660 | 8.77% | 0.93% |
| July 23, 2025 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 1542857 | $3.50 | 6,764,465.0000 | 42,855,660 | 29.55% | 3.60% |
| July 23, 2025 | Von Koch Thomas | TenPercentOwner | P | Common Shares | 2857142 | $3.50 | 8,383,577.0000 | 42,855,660 | 51.70% | 6.67% |
| June 1, 2025 | Wambeke David J. | Chief Business Officer | A | Stock Option (right to buy) | 250000 | $0.00 | 250,000.0000 | 42,855,660 | 9999.99% | 0.58% |
| June 1, 2025 | Semba Charles Pauling | Director | A | Stock Option (right to buy) | 32162 | $0.00 | 32,162.0000 | 42,855,660 | 9999.99% | 0.08% |
| June 1, 2025 | Pauls Dietrich John | President & CEO | A | Stock Option (right to buy) | 600000 | $0.00 | 600,000.0000 | 42,855,660 | 9999.99% | 1.40% |
| June 1, 2025 | Parsons James T. | Director | A | Stock Option (right to buy) | 40739 | $0.00 | 40,739.0000 | 42,855,660 | 9999.99% | 0.10% |
| June 1, 2025 | Kuntz Richard | Director | A | Stock Option (right to buy) | 32162 | $0.00 | 32,162.0000 | 42,855,660 | 9999.99% | 0.08% |
| June 1, 2025 | Lewis Tanya | Director | A | Stock Option (right to buy) | 32162 | $0.00 | 32,162.0000 | 42,855,660 | 9999.99% | 0.08% |
| June 1, 2025 | Giuffre Randall Michael | Director | A | Stock Option (right to buy) | 32162 | $0.00 | 32,162.0000 | 42,855,660 | 9999.99% | 0.08% |
| June 1, 2025 | Kellen Scott | CFO & Secretary | A | Stock Option (right to buy) | 225000 | $0.00 | 225,000.0000 | 42,855,660 | 9999.99% | 0.53% |
| April 7, 2025 | Pilnik Richard D. | Director | M | Stock Option (right to buy) | 24000 | $0.00 | 0.0000 | 42,855,660 | 100.00% | 0.06% |
| April 7, 2025 | Pilnik Richard D. | Director | M | Voting Common Shares, no par value per share | 24000 | $2.11 | 312,995.0000 | 42,855,660 | 8.30% | 0.06% |
| Feb. 20, 2025 | O'Connor Daniel J. | Director | A | Stock Option (right to buy) | 64242 | $0.00 | 64,242.0000 | 0 | 9999.99% | 0.00% |
| Feb. 13, 2025 | Giuffre Randall Michael | Director | M | Stock Option (right to buy) | 5000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 13, 2025 | Giuffre Randall Michael | Director | M | Voting Common Shares, no par value per share | 5000 | $3.65 | 439,055.0000 | 0 | 1.15% | 0.00% |
| Feb. 13, 2025 | Giuffre Randall Michael | Director | M | Voting Common Shares, no par value per share | 12000 | $2.11 | 434,055.0000 | 0 | 2.84% | 0.00% |
| Feb. 13, 2025 | Giuffre Randall Michael | Director | M | Stock Option (right to buy) | 12000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Jan. 2, 2025 | Kuntz Richard | Director | A | Voting Common Shares, no par value per share | 9925 | $5.34 | 24,210.0000 | 0 | 69.48% | 0.00% |
| Jan. 2, 2025 | Semba Charles Pauling | Director | A | Voting Common Shares, no par value per share | 5290 | $5.34 | 44,608.0000 | 0 | 13.45% | 0.00% |
| Jan. 2, 2025 | Giuffre Randall Michael | Director | A | Voting Common Shares, no par value per share | 10861 | $5.34 | 422,055.0000 | 0 | 2.64% | 0.00% |
| Jan. 2, 2025 | Pilnik Richard D. | Director | A | Voting Common Shares, no par value per share | 10393 | $5.34 | 288,995.0000 | 0 | 3.73% | 0.00% |
| Jan. 2, 2025 | Parsons James T. | Director | A | Voting Common Shares, no par value per share | 15917 | $5.34 | 75,854.0000 | 0 | 26.56% | 0.00% |
| Jan. 2, 2025 | Parsons James T. | Director | A | Stock Option (right to buy) | 4287 | $0.00 | 4,287.0000 | 0 | 9999.99% | 0.00% |
| June 28, 2024 | STAHLBERG JAN | TenPercentOwner | P | Common Shares | 1200000 | $2.50 | 5,221,608.0000 | 0 | 29.84% | 0.00% |
| June 28, 2024 | Von Koch Thomas | TenPercentOwner | P | Common Shares | 1200000 | $2.50 | 5,526,435.0000 | 0 | 27.74% | 0.00% |
| June 1, 2024 | Kuntz Richard | Director | A | Stock Option (right to buy) | 28472 | $0.00 | 28,472.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2024 | Wambeke David J. | Chief Business Officer | A | Stock Option (right to buy) | 130000 | $0.00 | 130,000.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2024 | Kellen Scott | CFO and Secretary | A | Stock Option (right to buy) | 130000 | $0.00 | 130,000.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2024 | Cundari Dominic R | Chief Commercial Officer | A | Stock Option (right to buy) | 15000 | $0.00 | 15,000.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2024 | Pauls Dietrich John | President and CEO | A | Stock Option (right to buy) | 300000 | $0.00 | 300,000.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2024 | Semba Charles Pauling | Director | A | Stock Option (right to buy) | 28472 | $0.00 | 28,472.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2024 | Pilnik Richard D. | Director | A | Stock Option (right to buy) | 36065 | $0.00 | 36,065.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2024 | Parsons James T. | Director | A | Stock Option (right to buy) | 28472 | $0.00 | 28,472.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2024 | Lewis Tanya | Director | A | Stock Option (right to buy) | 28472 | $0.00 | 28,472.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2024 | Giuffre Randall Michael | Director | A | Stock Option (right to buy) | 28472 | $0.00 | 28,472.0000 | 0 | 9999.99% | 0.00% |
| Jan. 22, 2024 | Lorianne Masuoka K. | Chief Medical Officer | A | Stock option (right to buy) | 285000 | $0.00 | 285,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 2, 2024 | Parsons James T. | Director | A | Voting Common Shares, no par value per share | 21428 | $2.80 | 59,937.0000 | 0 | 55.64% | 0.00% |
| Jan. 2, 2024 | Giuffre Randall Michael | Director | A | Voting Common Shares, no par value per share | 19196 | $2.80 | 411,194.0000 | 0 | 4.90% | 0.00% |
| Jan. 2, 2024 | Pilnik Richard D. | Director | A | Voting Common Shares, no par value per share | 30357 | $2.80 | 278,602.0000 | 0 | 12.23% | 0.00% |
| Jan. 2, 2024 | Semba Charles Pauling | Director | A | Voting Common Shares, no par value per share | 9375 | $2.80 | 39,318.0000 | 0 | 31.31% | 0.00% |
| Jan. 2, 2024 | Kuntz Richard | Director | A | Voting Common Shares, no par value per share | 14285 | $2.80 | 14,285.0000 | 0 | 9999.99% | 0.00% |
| Nov. 16, 2023 | Wambeke David J. | Chief Business Officer | P | Voting Common Shares, no par value per share | 20000 | $2.46 | 527,114.0000 | 0 | 3.94% | 0.00% |
| June 23, 2023 | Von Koch Thomas | TenPercentOwner | P | Common Shares | 1470588 | $3.40 | 4,326,435.0000 | 0 | 51.49% | 0.00% |
| June 23, 2023 | Pauls Dietrich John | President and CEO | P | Voting Common Shares, no par value per share | 12787 | $3.91 | 68,591.0000 | 0 | 22.91% | 0.00% |
| June 23, 2023 | Semba Charles Pauling | Director | P | Voting Common Shares, no par value per share | 12787 | $3.91 | 29,943.0000 | 0 | 74.53% | 0.00% |
| June 23, 2023 | Kellen Scott | CFO and Secretary | P | Voting Common Shares, no par value per share | 10000 | $3.91 | 32,290.0000 | 0 | 44.86% | 0.00% |
| June 23, 2023 | Wambeke David J. | Chief Business Officer | P | Voting Common Shares, no par value per share | 38364 | $3.91 | 507,114.0000 | 0 | 8.18% | 0.00% |
| June 23, 2023 | Pilnik Richard D. | Director | P | Voting Common Shares, no par value per share | 38363 | $3.91 | 248,245.0000 | 0 | 18.28% | 0.00% |
| June 23, 2023 | Giuffre Randall Michael | Director | G | Voting Common Shares, no par value per share | 15000 | $0.00 | 391,998.0000 | 0 | 3.69% | 0.00% |
| June 23, 2023 | Giuffre Randall Michael | Director | P | Voting Common Shares, no par value per share | 65000 | $3.91 | 406,998.0000 | 0 | 19.01% | 0.00% |
| June 1, 2023 | Giuffre Randall Michael | Director | A | Stock Option (right to buy) | 16968 | $0.00 | 16,968.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2023 | Daves Julie VanOrsdel | SVP Clinical Development Oper. | A | Stock Option (right to buy) | 54000 | $0.00 | 54,000.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2023 | Parsons James T. | Director | A | Stock Option (right to buy) | 16968 | $0.00 | 16,968.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2023 | Pilnik Richard D. | Director | A | Stock Option (right to buy) | 22355 | $0.00 | 22,355.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2023 | Semba Charles Pauling | Director | A | Stock Option (right to buy) | 16968 | $0.00 | 16,968.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2023 | Pauls Dietrich John | President and CEO | A | Stock option (right to buy) | 181000 | $0.00 | 181,000.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2023 | Kellen Scott | CFO and Secretary | A | Stock Option (right to buy) | 67000 | $0.00 | 67,000.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2023 | Gruis Kirsten L | Chief Medical Officer | A | Stock Option (right to buy) | 67000 | $0.00 | 67,000.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2023 | Lewis Tanya | Director | A | Stock Option (right to buy) | 7493 | $0.00 | 7,493.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2023 | Cundari Dominic R | Chief Commercial Officer | A | Stock Option (right to buy) | 27000 | $0.00 | 27,000.0000 | 0 | 9999.99% | 0.00% |
| May 30, 2023 | Kuntz Richard | Director | A | Stock option (right to buy) | 32320 | $0.00 | 32,320.0000 | 0 | 9999.99% | 0.00% |
| April 10, 2023 | Wambeke David J. | Chief Business Officer | A | Stock Option (right to buy) | 140000 | $0.00 | 140,000.0000 | 0 | 9999.99% | 0.00% |
| April 10, 2023 | Wambeke David J. | Chief Business Officer | P | Voting Common Shares, no par value per share | 468750 | $1.60 | 468,750.0000 | 0 | 9999.99% | 0.00% |
| March 1, 2023 | Lewis Tanya | Director | A | Stock option (right to buy) | 26443 | $0.00 | 26,443.0000 | 0 | 9999.99% | 0.00% |
| Jan. 3, 2023 | Giuffre Randall Michael | Director | A | Voting Common Shares, no par value per share | 35130 | $1.53 | 341,998.0000 | 0 | 11.45% | 0.00% |
| Jan. 3, 2023 | Burroughs Amy L. | Director | A | Voting Common Shares, no par value per share | 17156 | $1.53 | 73,288.0000 | 0 | 30.56% | 0.00% |
| Jan. 3, 2023 | Semba Charles Pauling | Director | A | Voting Common Shares, no par value per share | 17156 | $1.53 | 17,156.0000 | 0 | 9999.99% | 0.00% |
| Jan. 3, 2023 | Pilnik Richard D. | Director | A | Voting Common Shares, no par value per share | 55555 | $1.53 | 209,882.0000 | 0 | 36.00% | 0.00% |