David J. Wambeke

DMAC

David J. Wambeke serves as officer: Chief Business Officer at DiaMedica Therapeutics Inc. (DMAC). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

4 trades

$1.62M

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$1.62M

Companies Traded

NMTC, DMAC

Active Period

Apr 2023 – Mar 2026

4 total trades

Most Recent

Buy NMTC

Mar 3, 2026 · $670.4K

David J. Wambeke's Insider Trading at DiaMedica Therapeutics Inc. (DMAC)

Buys

3 · $949.2K

Sells

0 · $0.00

Total Shares Bought

527,114

Total Shares Sold

DMAC Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value
Nov 16, 2023	Buy	20,000	$2.46	$49.2K
Jun 23, 2023	Buy	38,364	$3.91	$150.0K
Apr 10, 2023	Buy	468,750	$1.60	$750.0K

David J. Wambeke's Insider Trading at NeuroOne Medical Technologies Corporation (NMTC)

Buys

1 · $670.4K

Sells

0 · $0.00

Total Shares Bought

1,000,000

Total Shares Sold

NMTC Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Mar 3, 2026	Buy	1,000,000	$0.67	$670.4K	1,000,000

Related Insiders

Mark Christianson

officer: Market Development Director

NMTCSell · Jul 2, 2026

Steve Mertens

Chief Technology Officer

NMTCSell · Feb 18, 2026

David A Rosa

CEO and President

NMTCSell · Feb 18, 2026

STAHLBERG JAN

10% Owner

DMACBuy · Nov 17, 2025

Explore More Insider Trading Data

DMAC Insider Trading Activity

View all insider trades at DiaMedica Therapeutics Inc.

Healthcare Sector Insider Trades

See insider activity across healthcare stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity