JS
Insider
Jan Stahlberg
10% ownerJan Stahlberg (10% owner) filed 1 Form 4 report in the trailing twelve months (1 purchase, 0 sales, 1 filed past the two-business-day deadline), most often in DMAC. Across 1 priced purchase filing, the average 21-session return was +48.7% from execution and -5.1% from disclosure (delay-adjusted; derived). The largest single filing was $7.6M of DMAC (1,061,277 sh across 7 lots, as filed), executed Nov 17 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+48.7%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
-5.1%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells · 1 late
Median delay
21d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$7.6M
shares × price, as filed
Last traded
Nov 25 2025
Filed Dec 8 2025
Volume by month
Buys $18.9M
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Not on file
1 filing
Sector per market data · by filing · past 12 months
Most traded names
DMAC
DMAC
DMAC · 3 buys · 0 sells
3 filings
Recent filings
DMACPURCHASE
DiaMedica Therapeutics Inc.
View filing →
$7.6M1,061,277 sh across 7 lots
Exec Nov 17 2025
Filed Dec 8 2025 · 5:15 PM ET † DMACPURCHASE DiaMedica Therapeutics Inc. View filing → $5.9M
991,767 sh across 8 lots
Exec Aug 13 2025
Filed Sep 4 2025 · 2:29 PM ET † DMACPURCHASE DiaMedica Therapeutics Inc. View filing → $5.4M
1,542,857 sh × $3.50
Exec Jul 23 2025
Filed Jul 25 2025 · 6:54 PM ET