DMAC

DiaMedica Therapeutics Inc.$5.67+0.20 (+3.75%)

Prev Close$5.46·MCap$303.9M·P/E—·Vol74.9K·Yield—

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Buys (12M)

$30.39M

▼

Sells (12M)

$0.00

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Net Activity

Net Buyer

$30.39M

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at DiaMedica Therapeutics Inc. (DMAC) has been exclusively buying, with 5 insider purchases totaling $30.39M and 0 insider sales totaling $0.00. The most recent insider transaction was by STAHLBERG JAN (10% Owner), who purchased $7.63M worth of shares on Nov 17, 2025. DiaMedica Therapeutics Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $303.9M.

DMAC Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value
Nov 17, 2025	STAHLBERG JAN	10% Owner	Buy	1,061,277	$7.19	$7.63M2.0% OS
Aug 13, 2025	STAHLBERG JAN	10% Owner	Buy	1,000,000	$5.96	$5.96M1.9% OS
Jul 23, 2025	JACINTO RICHARD II	10% Owner	Buy	400,000	$3.50	$1.40M0.8% OS
Jul 23, 2025	STAHLBERG JAN	10% Owner	Buy	1,542,857	$3.50	$5.40M3.0% OS
Jul 23, 2025	Von Koch Thomas	10% Owner	Buy	2,857,142	$3.50	$10.00M5.5% OS
Jun 28, 2024	Von Koch Thomas	10% Owner	Buy	1,200,000	$2.50	$3.00M2.3% OS
Nov 16, 2023	Wambeke David J.	Chief Business Officer	Buy	20,000	$2.46	$49.2K
Jun 23, 2023	Giuffre Randall Michael	Director	Buy	65,000	$3.91	$254.2K
Jun 23, 2023	Kellen Scott	CFO and Secretary	Buy	10,000	$3.91	$39.1K
Jun 23, 2023	Pauls Dietrich John	President and CEO	Buy	12,787	$3.91	$50.0K
Jun 23, 2023	Pilnik Richard D.	Director	Buy	38,363	$3.91	$150.0K
Jun 23, 2023	Von Koch Thomas	10% Owner	Buy	1,470,588	$3.40	$5.00M2.8% OS
Jun 23, 2023	Wambeke David J.	Chief Business Officer	Buy	38,364	$3.91	$150.0K
Apr 10, 2023	Wambeke David J.	Chief Business Officer	Buy	468,750	$1.60	$750.0K0.9% OS
Dec 8, 2022	Giuffre Randall Michael	Director	Buy	57,079	$1.42	$81.0K
Dec 6, 2022	Giuffre Randall Michael	Director	Buy	24,874	$1.40	$34.7K
Dec 5, 2022	Pilnik Richard D.	Director	Buy	35,000	$1.39	$48.5K
Dec 2, 2022	Von Koch Thomas	10% Owner	Buy	2,855,847	$1.23	$3.53M5.5% OS
Dec 2, 2022	Von Koch Thomas	10% Owner	Sell	2,855,847	$1.23	$3.53M5.5% OS
Dec 1, 2022	Giuffre Randall Michael	Director	Buy	819	$1.19	$974.61
Nov 29, 2022	Giuffre Randall Michael	Director	Buy	67,228	$1.20	$80.5K
Nov 16, 2022	Pauls Dietrich John	President and CEO	Buy	20,000	$1.21	$24.2K
Jul 8, 2022	Von Koch Thomas	10% Owner	Buy	207,974	$1.33	$275.9K
Sep 15, 2021	ALCORN HARRY W JR	SVP, Clinical Operations	Buy	15,000	$3.80	$57.0K
Aug 16, 2021	ALCORN HARRY W JR	Senior VP, Clinical Operations	Buy	20,721	$3.09	$64.1K
Aug 16, 2021	Burroughs Amy L.	Director	Buy	44,950	$3.15	$141.6K
Aug 16, 2021	Kellen Scott	CFO and Secretary	Buy	10,000	$3.15	$31.5K
Aug 16, 2021	Pauls Dietrich John	President and CEO	Buy	5,000	$3.14	$15.7K
Aug 16, 2021	Pilnik Richard D.	Director	Buy	15,000	$3.27	$49.1K

DMAC Insider Buying Activity

The following table shows recent insider purchases of DiaMedica Therapeutics Inc. (DMAC) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value
Nov 17, 2025	STAHLBERG JAN	10% Owner	Buy	1,061,277	$7.19	$7.63M2.0% OS
Aug 13, 2025	STAHLBERG JAN	10% Owner	Buy	1,000,000	$5.96	$5.96M1.9% OS
Jul 23, 2025	JACINTO RICHARD II	10% Owner	Buy	400,000	$3.50	$1.40M0.8% OS
Jul 23, 2025	STAHLBERG JAN	10% Owner	Buy	1,542,857	$3.50	$5.40M3.0% OS
Jul 23, 2025	Von Koch Thomas	10% Owner	Buy	2,857,142	$3.50	$10.00M5.5% OS
Jun 28, 2024	Von Koch Thomas	10% Owner	Buy	1,200,000	$2.50	$3.00M2.3% OS
Nov 16, 2023	Wambeke David J.	Chief Business Officer	Buy	20,000	$2.46	$49.2K
Jun 23, 2023	Giuffre Randall Michael	Director	Buy	65,000	$3.91	$254.2K
Jun 23, 2023	Kellen Scott	CFO and Secretary	Buy	10,000	$3.91	$39.1K
Jun 23, 2023	Pauls Dietrich John	President and CEO	Buy	12,787	$3.91	$50.0K
Jun 23, 2023	Pilnik Richard D.	Director	Buy	38,363	$3.91	$150.0K
Jun 23, 2023	Von Koch Thomas	10% Owner	Buy	1,470,588	$3.40	$5.00M2.8% OS
Jun 23, 2023	Wambeke David J.	Chief Business Officer	Buy	38,364	$3.91	$150.0K
Apr 10, 2023	Wambeke David J.	Chief Business Officer	Buy	468,750	$1.60	$750.0K0.9% OS
Dec 8, 2022	Giuffre Randall Michael	Director	Buy	57,079	$1.42	$81.0K
Dec 6, 2022	Giuffre Randall Michael	Director	Buy	24,874	$1.40	$34.7K
Dec 5, 2022	Pilnik Richard D.	Director	Buy	35,000	$1.39	$48.5K
Dec 2, 2022	Von Koch Thomas	10% Owner	Buy	2,855,847	$1.23	$3.53M5.5% OS
Dec 1, 2022	Giuffre Randall Michael	Director	Buy	819	$1.19	$974.61
Nov 29, 2022	Giuffre Randall Michael	Director	Buy	67,228	$1.20	$80.5K
Nov 16, 2022	Pauls Dietrich John	President and CEO	Buy	20,000	$1.21	$24.2K
Jul 8, 2022	Von Koch Thomas	10% Owner	Buy	207,974	$1.33	$275.9K
Sep 15, 2021	ALCORN HARRY W JR	SVP, Clinical Operations	Buy	15,000	$3.80	$57.0K
Aug 16, 2021	ALCORN HARRY W JR	Senior VP, Clinical Operations	Buy	20,721	$3.09	$64.1K
Aug 16, 2021	Burroughs Amy L.	Director	Buy	44,950	$3.15	$141.6K
Aug 16, 2021	Kellen Scott	CFO and Secretary	Buy	10,000	$3.15	$31.5K
Aug 16, 2021	Pauls Dietrich John	President and CEO	Buy	5,000	$3.14	$15.7K
Aug 16, 2021	Pilnik Richard D.	Director	Buy	15,000	$3.27	$49.1K