Benjamin David Black - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Benjamin David Black has filed 1 SEC Form 4 filing across 1 company in the last 90 days - buying. Lifetime open-market purchases: $101K.
Profile

Benjamin David Black is the Chief Investment Officer at Powerlaw Corp. (PWRL). Black has reported 1 insider filing with the SEC since 2026. The most recent filing was in June 2026.
| Role | Chief Investment Officer, Director |
|---|---|
| Notability | 34/100 |
Board memberships
- Powerlaw Corp.
Reported roles
- Chief Investment Officer
Awards & honors
- Appointed Chief Investment Officer at Powerlaw Corp. (as of 2026-06-23) per SEC filing context
Trading Pattern
InsiderAlpha's records for Benjamin David Black go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. The typical open-market purchase is $101K (1 buy totaling $101K). The largest single buy on record is $101K 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 Benjamin David Black 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 Investment 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 | 6.5K | $15.47 | $101K |
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 Benjamin David Black 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.
- Mike John Dinsdale - $246K 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:
- BERKSHIRE HATHAWAY INC
- Paul L. Berns
- Sardar Biglari,
- Chester Billingsley
- BITMINE IMMERSION TECHNOLOGIES, INC.
- BlackRock Portfolio Management LLC
- Blackstone Holdings I L.P.
- Blackstone Holdings IV GP Management (Delaware) L.P.
Frequently Asked Questions
Who is Benjamin David Black?
Benjamin David Black is the Chief Investment Officer at Powerlaw Corp. (PWRL). Black 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 Benjamin David Black submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Benjamin David Black been buying or selling stock?
Recorded transactions: 1 open-market purchase ($101K) and 0 open-market sales across all tracked filings.
Where can I see all of Benjamin David Black'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
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