Clarkston Companies, Inc. - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Clarkston Companies, Inc. has filed 1 SEC Form 4 filing across 1 company in the last 90 days - buying. Lifetime open-market purchases: $17.07M.
Profile
Clarkston Companies, Inc. is a corporate entity that reports beneficial ownership of shares in Presurance Holdings, Inc. (PRHI) under U.S. securities law. It has submitted 2 SEC insider filings since 2026, most recently in June 2026.
| Filer type | Company |
|---|---|
| Role | Insider |
| Notability | 20/100 |
Board memberships
- Presurance Holdings, Inc.
Trading Pattern
InsiderAlpha's records for Clarkston Companies, Inc. go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $8.53M (2 buys totaling $17.07M). The largest single buy on record is $9.07M of PRHI 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 Clarkston Companies, Inc. 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.
- Insider at Presurance Holdings, Inc. (PRHI) - 1 filing, 2026
- 10% Owner at Presurance Holdings, Inc. (PRHI) - 1 filing, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-24 | PRHI | Presurance Holdings, Inc. | J - Other acquisition / disposition | 1.6K | $5,000.00 | $8.00M |
| 2026-06-24 | PRHI | Presurance Holdings, Inc. | J - Other acquisition / disposition | 1.6K | $5,000.00 | $8.00M |
| 2026-03-03 | PRHI | Presurance Holdings, Inc. | J - Other acquisition / disposition | 1.5K | $5,000.00 | $7.50M |
| 2026-03-03 | PRHI | Presurance Holdings, Inc. | P - Open-market purchase | 9.07M | $1.00 | $9.07M |
| 2026-03-03 | PRHI | Presurance Holdings, Inc. | P - Open-market purchase | 1.6K | $5,000.00 | $8.00M |
Companies - Last 90 Days
- Presurance Holdings, Inc. (PRHI) - 1 filing, last 2026-06-24
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Clarkston Companies, Inc. 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.
- Jeffrey Anthony Hakala - $7.70M of PRHI open-market activity in the last 12 months
- Gerald W. Hakala - $7.70M of PRHI open-market activity in the last 12 months
- Clarkston 91 West LLC - $2.50M of PRHI open-market activity in the last 12 months
- Clarkston Ventures, LLC - $200K of PRHI open-market activity in the last 12 months
- Brian J. Roney - $72K of PRHI open-market activity in the last 12 months
- James Grant Smith - $18K of PRHI open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Jonathan H. Cohen
- Ryan Cohen
- Charles K. Cohn
- Coliseum Capital Management, LLC
- Column Group IV GP, LP
- Connect Midstream, LLC
- CONSTELLATION SOFTWARE INC
- Lisa A. Conte
Frequently Asked Questions
What is Clarkston Companies, Inc.?
Clarkston Companies, Inc. is a corporate entity that reports beneficial ownership of shares in Presurance Holdings, Inc. (PRHI) under U.S. securities law. It has submitted 2 SEC insider filings since 2026, most recently in June 2026.…
How many SEC Form 4 filings has Clarkston Companies, Inc. submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Clarkston Companies, Inc. been buying or selling stock?
Recorded transactions: 2 open-market purchases ($17.07M) and 0 open-market sales across all tracked filings.
Where can I see all of Clarkston Companies, Inc.'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 Clarkston Companies, Inc. profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.