STAHLBERG JAN
SEC Form 4 insider trading activity
STAHLBERG JAN has filed 2 SEC Form 4 filings (16 transaction rows) across 1 company, with disclosures dating back to 2025. 1 of those filings fall inside the rolling window. Most recent filing: Dec 8, 2025.
On the most recent filing, STAHLBERG JAN is listed as 10% Owner at DiaMedica Therapeutics Inc. Inside the rolling window, STAHLBERG JAN reported 7 open-market purchases totaling $7.6M in DMAC and no open-market sales. The largest disclosed transaction in the window is a purchase of 240,352 DMAC shares on Nov 19, 2025, worth $1.7M.
Companies traded
Other insiders at DMAC
Insider Buying
$7.6M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| DMAC | 10% Owner | Purchase | 187,393 | $1.2M | Dec 8 | SEC ↗ | |
| DMAC | 10% Owner | Purchase | 182,882 | $1.2M | Dec 8 | SEC ↗ | |
| DMAC | 10% Owner | Purchase | 240,352 | $1.7M | Dec 8 | SEC ↗ | |
| DMAC | 10% Owner | Purchase | 128,426 | $951K | Dec 8 | SEC ↗ | |
| DMAC | 10% Owner | Purchase | 208,872 | $1.5M | Dec 8 | SEC ↗ | |
| DMAC | 10% Owner | Purchase | 40,253 | $318K | Dec 8 | SEC ↗ | |
| DMAC | 10% Owner | Purchase | 73,099 | $627K | Dec 8 | SEC ↗ |
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Aug 27, 2025 | DMAC | Purchase | $305K |
| Aug 26, 2025 | DMAC | Purchase | $358K |
| Aug 25, 2025 | DMAC | Purchase | $2.0M |
| Aug 22, 2025 | DMAC | Purchase | $357K |
| Aug 21, 2025 | DMAC | Purchase | $287K |
| Aug 20, 2025 | DMAC | Purchase | $416K |
| Aug 15, 2025 | DMAC | Purchase | $49K |
| Aug 14, 2025 | DMAC | Purchase | $422K |
| Aug 13, 2025 | DMAC | Purchase | $1.7M |
Frequently asked questions
How many SEC Form 4 filings has STAHLBERG JAN made?
STAHLBERG JAN has filed 2 SEC Form 4 filings (16 transaction rows) across 1 company since 2025.
Which companies does STAHLBERG JAN trade?
STAHLBERG JAN has filed SEC Form 4 disclosures for 1 company, including DMAC.
When was STAHLBERG JAN's most recent SEC Form 4 filing?
STAHLBERG JAN's most recent SEC Form 4 filing on Tracefour is dated Dec 8, 2025.
What is STAHLBERG JAN's total buy and sell value in the current window?
Inside the rolling retention window, STAHLBERG JAN bought $7.6M and sold $0 based on SEC Form 4 filings.
What was STAHLBERG JAN's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 240,352 DMAC shares on 2025-11-19, worth $1.7M, per SEC Form 4 filings.