DMAC
DiaMedica Therapeutics Inc
NASDAQ: DMAC · HEALTHCARE · BIOTECHNOLOGY
$6.05
+1.51% today
Updated 2026-04-30
Market cap
$341.08M
P/E ratio
—
P/S ratio
66.68x
EPS (TTM)
$-0.70
Dividend yield
—
52W range
$3 – $10
Volume
0.2M
DiaMedica Therapeutics Inc (DMAC) Insider transactions
Net insider activity
Net buying (18,174,142 shares)
Buy transactions
95
Sell transactions
5
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-01-02 | SEMBA, CHARLES PAULING | Director | Buy | 3,355 | $8.42 | $28249.10 |
| 2026-01-02 | PARSONS, JAMES T. | Director | Buy | 10,095 | $8.42 | $84999.90 |
| 2026-01-02 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 6,175 | $8.42 | $51993.50 |
| 2025-11-25 | STAHLBERG, JAN | 10% Owner | Buy | 73,099 | $8.57 | $626816.62 |
| 2025-11-24 | STAHLBERG, JAN | 10% Owner | Buy | 40,253 | $7.89 | $317720.95 |
| 2025-11-21 | STAHLBERG, JAN | 10% Owner | Buy | 208,872 | $7.41 | $1.55M |
| 2025-11-21 | PARSONS, JAMES T. | Director | Sale | 12,000 | — | — |
| 2025-11-21 | PARSONS, JAMES T. | Director | Buy | 12,000 | $2.20 | $26400.00 |
| 2025-11-20 | STAHLBERG, JAN | 10% Owner | Buy | 128,426 | $7.41 | $951212.85 |
| 2025-11-19 | STAHLBERG, JAN | 10% Owner | Buy | 240,352 | $7.21 | $1.73M |
| 2025-11-18 | STAHLBERG, JAN | 10% Owner | Buy | 182,882 | $6.75 | $1.23M |
| 2025-11-17 | STAHLBERG, JAN | 10% Owner | Buy | 187,393 | $6.52 | $1.22M |
| 2025-08-27 | STAHLBERG, JAN | 10% Owner | Buy | 50,772 | $6.00 | $304632.00 |
| 2025-08-26 | STAHLBERG, JAN | 10% Owner | Buy | 59,648 | $6.00 | $357888.00 |
| 2025-08-25 | STAHLBERG, JAN | 10% Owner | Buy | 338,265 | $6.00 | $2.03M |
| 2025-08-22 | STAHLBERG, JAN | 10% Owner | Buy | 59,788 | $5.96 | $356575.63 |
| 2025-08-21 | STAHLBERG, JAN | 10% Owner | Buy | 48,172 | $5.96 | $287028.04 |
| 2025-08-20 | STAHLBERG, JAN | 10% Owner | Buy | 71,107 | $5.86 | $416495.03 |
| 2025-08-15 | STAHLBERG, JAN | 10% Owner | Buy | 8,233 | $6.00 | $49398.00 |
| 2025-08-14 | STAHLBERG, JAN | 10% Owner | Buy | 70,414 | $5.99 | $421920.69 |
| 2025-08-13 | STAHLBERG, JAN | 10% Owner | Buy | 293,601 | $5.91 | $1.73M |
| 2025-08-11 | KROP, JULIE | Chief Marketing Officer | Buy | 450,000 | — | — |
| 2025-07-23 | VON, KOCH THOMAS | 10% Owner | Buy | 2,857,142 | $3.50 | $10.00M |
| 2025-07-23 | STAHLBERG, JAN | 10% Owner | Buy | 1,542,857 | $3.50 | $5.40M |
| 2025-07-23 | JACINTO, RICHARD II | 10% Owner | Buy | 400,000 | $3.50 | $1.40M |
| 2025-06-01 | WAMBEKE, DAVID J. | Chief Business Officer | Buy | 250,000 | — | — |
| 2025-06-01 | SEMBA, CHARLES PAULING | Director | Buy | 32,162 | — | — |
| 2025-06-01 | PAULS, DIETRICH JOHN | Director, President & CEO | Buy | 600,000 | — | — |
| 2025-06-01 | PARSONS, JAMES T. | Director | Buy | 40,739 | — | — |
| 2025-06-01 | LEWIS, TANYA | Director | Buy | 32,162 | — | — |
| 2025-06-01 | KUNTZ, RICHARD | Director | Buy | 32,162 | — | — |
| 2025-06-01 | KELLEN, SCOTT | CFO & Secretary | Buy | 225,000 | — | — |
| 2025-06-01 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 32,162 | — | — |
| 2025-04-07 | PILNIK, RICHARD D. | Director | Buy | 24,000 | $2.11 | $50640.00 |
| 2025-04-07 | PILNIK, RICHARD D. | Director | Sale | 24,000 | — | — |
| 2025-02-20 | O'CONNOR, DANIEL J. | Director | Buy | 64,242 | — | — |
| 2025-02-13 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 12,000 | $2.11 | $25320.00 |
| 2025-02-13 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 5,000 | $3.65 | $18250.00 |
| 2025-02-13 | GIUFFRE, RANDALL MICHAEL | Director | Sale | 12,000 | — | — |
| 2025-02-13 | GIUFFRE, RANDALL MICHAEL | Director | Sale | 5,000 | — | — |
| 2025-01-02 | SEMBA, CHARLES PAULING | Director | Buy | 5,290 | $5.34 | $28248.60 |
| 2025-01-02 | PILNIK, RICHARD D. | Director | Buy | 10,393 | $5.34 | $55498.62 |
| 2025-01-02 | PARSONS, JAMES T. | Director | Buy | 15,917 | $5.34 | $84996.78 |
| 2025-01-02 | PARSONS, JAMES T. | Director | Buy | 4,287 | — | — |
| 2025-01-02 | KUNTZ, RICHARD | Director | Buy | 9,925 | $5.34 | $52999.50 |
| 2025-01-02 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 10,861 | $5.34 | $57997.74 |
| 2024-06-28 | VON, KOCH THOMAS | 10% Owner | Buy | 1,200,000 | $2.50 | $3.00M |
| 2024-06-28 | STAHLBERG, JAN | 10% Owner | Buy | 1,200,000 | $2.50 | $3.00M |
| 2024-06-01 | WAMBEKE, DAVID J. | Chief Business Officer | Buy | 130,000 | — | — |
| 2024-06-01 | SEMBA, CHARLES PAULING | Director | Buy | 28,472 | — | — |
| 2024-06-01 | PILNIK, RICHARD D. | Director | Buy | 36,065 | — | — |
| 2024-06-01 | PAULS, DIETRICH JOHN | Director, President and CEO | Buy | 300,000 | — | — |
| 2024-06-01 | PARSONS, JAMES T. | Director | Buy | 28,472 | — | — |
| 2024-06-01 | LEWIS, TANYA | Director | Buy | 28,472 | — | — |
| 2024-06-01 | KUNTZ, RICHARD | Director | Buy | 28,472 | — | — |
| 2024-06-01 | KELLEN, SCOTT | CFO and Secretary | Buy | 130,000 | — | — |
| 2024-06-01 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 28,472 | — | — |
| 2024-06-01 | CUNDARI, DOMINIC R | Chief Commercial Officer | Buy | 15,000 | — | — |
| 2024-01-22 | LORIANNE, MASUOKA K. | Chief Medical Officer | Buy | 285,000 | — | — |
| 2024-01-02 | SEMBA, CHARLES PAULING | Director | Buy | 9,375 | $2.80 | $26250.00 |
| 2024-01-02 | PILNIK, RICHARD D. | Director | Buy | 30,357 | $2.80 | $84999.60 |
| 2024-01-02 | PARSONS, JAMES T. | Director | Buy | 21,428 | $2.80 | $59998.40 |
| 2024-01-02 | KUNTZ, RICHARD | Director | Buy | 14,285 | $2.80 | $39998.00 |
| 2024-01-02 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 19,196 | $2.80 | $53748.80 |
| 2023-11-16 | WAMBEKE, DAVID J. | Chief Business Officer | Buy | 20,000 | $2.46 | $49200.00 |
| 2023-06-23 | WAMBEKE, DAVID J. | Chief Business Officer | Buy | 38,364 | $3.91 | $150003.24 |
| 2023-06-23 | VON, KOCH THOMAS | 10% Owner | Buy | 1,470,588 | $3.40 | $5.00M |
| 2023-06-23 | SEMBA, CHARLES PAULING | Director | Buy | 12,787 | $3.91 | $49997.17 |
| 2023-06-23 | PILNIK, RICHARD D. | Director | Buy | 38,363 | $3.91 | $149999.33 |
| 2023-06-23 | PAULS, DIETRICH JOHN | Director, President and CEO | Buy | 12,787 | $3.91 | $49997.17 |
| 2023-06-23 | KELLEN, SCOTT | CFO and Secretary | Buy | 10,000 | $3.91 | $39100.00 |
| 2023-06-23 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 65,000 | $3.91 | $254150.00 |
| 2023-06-23 | GIUFFRE, RANDALL MICHAEL | Director | Sale | 15,000 | — | — |
| 2023-06-01 | SEMBA, CHARLES PAULING | Director | Buy | 16,968 | — | — |
| 2023-06-01 | PILNIK, RICHARD D. | Director | Buy | 22,355 | — | — |
| 2023-06-01 | PAULS, DIETRICH JOHN | Director, President and CEO | Buy | 181,000 | — | — |
| 2023-06-01 | PARSONS, JAMES T. | Director | Buy | 16,968 | — | — |
| 2023-06-01 | LEWIS, TANYA | Director | Buy | 7,493 | — | — |
| 2023-06-01 | KELLEN, SCOTT | CFO and Secretary | Buy | 67,000 | — | — |
| 2023-06-01 | GRUIS, KIRSTEN L | Chief Medical Officer | Buy | 67,000 | — | — |
| 2023-06-01 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 16,968 | — | — |
| 2023-06-01 | DAVES, JULIE VANORSDEL | SVP Clinical Development Oper. | Buy | 54,000 | — | — |
| 2023-06-01 | CUNDARI, DOMINIC R | Chief Commercial Officer | Buy | 27,000 | — | — |
| 2023-05-30 | KUNTZ, RICHARD | Director | Buy | 32,320 | — | — |
| 2023-04-10 | WAMBEKE, DAVID J. | Chief Business Officer | Buy | 468,750 | $1.60 | $750000.00 |
| 2023-04-10 | WAMBEKE, DAVID J. | Chief Business Officer | Buy | 140,000 | — | — |
| 2023-03-01 | LEWIS, TANYA | Director | Buy | 26,443 | — | — |
| 2023-01-03 | SEMBA, CHARLES PAULING | Director | Buy | 17,156 | $1.53 | $26248.68 |
| 2023-01-03 | PILNIK, RICHARD D. | Director | Buy | 55,555 | $1.53 | $84999.15 |
| 2023-01-03 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 35,130 | $1.53 | $53748.90 |
| 2023-01-03 | BURROUGHS, AMY L. | Director | Buy | 17,156 | $1.53 | $26248.68 |
| 2022-12-09 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 37,079 | $1.43 | $53022.97 |
| 2022-12-08 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 20,000 | $1.40 | $28000.00 |
| 2022-12-07 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 22,574 | $1.40 | $31603.60 |
| 2022-12-06 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 2,300 | $1.35 | $3105.00 |
| 2022-12-05 | PILNIK, RICHARD D. | Director | Buy | 35,000 | $1.39 | $48492.50 |
| 2022-12-02 | VON, KOCH THOMAS | 10% Owner | Buy | 2,855,847 | $1.24 | $3.53M |
| 2022-12-01 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 46,133 | $1.20 | $55359.60 |
| 2022-12-01 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 819 | $1.19 | $974.61 |
| 2022-11-30 | GIUFFRE, RANDALL MICHAEL | Director | Buy | 2,970 | $1.19 | $3534.30 |