Mike John Dinsdale - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Mike John Dinsdale has filed 1 SEC Form 4 filing across 1 company in the last 90 days - buying. Lifetime open-market purchases: $246K.
Profile
Mike John Dinsdale is the Chief Executive Officer at Powerlaw Corp. (PWRL). Dinsdale has reported 1 insider filing with the SEC since 2026. The most recent filing was in June 2026.
| Role | Chief Executive Officer, Director |
|---|---|
| Notability | 40/100 |
Board memberships
- Powerlaw Corp.
Reported roles
- Chief Executive Officer
Awards & honors
- Appointed Chief Executive Officer of Powerlaw Corp as indicated by the SEC filing dated 2026-06-23
Trading Pattern
InsiderAlpha's records for Mike John Dinsdale go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. The typical open-market purchase is $123K (2 buys totaling $246K). The largest single buy on record is $197K of PWRL in 2026. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Mike John Dinsdale has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Chief Executive Officer, Director at Powerlaw Corp. (PWRL) - 1 filing, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-23 | PWRL | Powerlaw Corp. | P - Open-market purchase | 12.7K | $15.47 | $197K |
| 2026-06-23 | PWRL | Powerlaw Corp. | P - Open-market purchase | 2.9K | $16.86 | $50K |
Companies - Last 90 Days
- Powerlaw Corp. (PWRL) - 1 filing, last 2026-06-23
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Mike John Dinsdale has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Benjamin David Black - $101K of PWRL open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Andrew J. Mills
- Charles N. Mills
- Kevin J. Mills
- Mink Brook Asset Management LLC
- Shankh Mitra
- MITSUI SUMITOMO INSURANCE CO LTD
- Arturo R. Moreno
- Matthew T. Moroun
Frequently Asked Questions
Who is Mike John Dinsdale?
Mike John Dinsdale is the Chief Executive Officer at Powerlaw Corp. (PWRL). Dinsdale has reported 1 insider filing with the SEC since 2026. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Mike John Dinsdale submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Mike John Dinsdale been buying or selling stock?
Recorded transactions: 2 open-market purchases ($246K) and 0 open-market sales across all tracked filings.
Where can I see all of Mike John Dinsdale's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Mike John Dinsdale profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.