Patrick D. O'Brien - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Patrick D. O'Brien has filed 1 SEC Form 4 filing across 1 company in the last 90 days - buying. Lifetime open-market purchases: $2.00M.
Profile
Patrick D. O'Brien is a corporate insider at Merchants Bancorp (MBIN). O'Brien has reported 5 insider filings with the SEC since 2024. The most recent filing was in May 2026.
| Role | Insider |
|---|---|
| Notability | 20/100 |
Board memberships
- Merchants Bancorp
Trading Pattern
InsiderAlpha's records for Patrick D. O'Brien go back to 2024: 5 primary Form 4 filings, an average of 1.7 per year. The typical open-market purchase is $1.00M (2 buys totaling $2.00M). The largest single buy on record is $1.00M of MBIN in 2024. 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 Patrick D. O'Brien 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 Merchants Bancorp (MBIN) - 5 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-26 | MBIN | Merchants Bancorp | A - Grant or award | 381 | $46.03 | $18K |
| 2026-02-19 | MBIN | Merchants Bancorp | A - Grant or award | 377 | $46.45 | $18K |
| 2025-11-21 | MBIN | Merchants Bancorp | A - Grant or award | 562 | $31.17 | $18K |
| 2025-08-21 | MBIN | Merchants Bancorp | A - Grant or award | 540 | $32.42 | $18K |
| 2024-11-20 | MBIN | Merchants Bancorp | A - Grant or award | 449 | $39.00 | $18K |
| 2024-11-20 | MBIN | Merchants Bancorp | P - Open-market purchase | 40.0K | $25.00 | $1.00M |
| 2024-11-20 | MBIN | Merchants Bancorp | P - Open-market purchase | 40.0K | $25.00 | $1.00M |
Companies - Last 90 Days
- Merchants Bancorp (MBIN) - 1 filing, last 2026-05-26
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Patrick D. O'Brien 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.
- Michael F. Petrie - $4.61M of MBIN open-market activity in the last 12 months
- Julia L. Kaercher - $497K of MBIN open-market activity in the last 12 months
- Michael R. Dury - $490K of MBIN open-market activity in the last 12 months
- Martin A. Schroeter - $253K of MBIN open-market activity in the last 12 months
- Sean A. Sievers - $149K of MBIN open-market activity in the last 12 months
- Darin L. Thomas - $100K of MBIN open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- PAULSON CO. INC.
- John Paulson
- Pentwater Capital Management LP
- Bryan Douglas Pereboom
- Gjorgi Popstefanov
- Adam D. Portnoy
- David Portnoy
- PRUDENTIAL FINANCIAL INC
Frequently Asked Questions
Who is Patrick D. O'Brien?
Patrick D. O'Brien is a corporate insider at Merchants Bancorp (MBIN). O'Brien has reported 5 insider filings with the SEC since 2024. The most recent filing was in May 2026.…
How many SEC Form 4 filings has Patrick D. O'Brien submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Patrick D. O'Brien been buying or selling stock?
Recorded transactions: 2 open-market purchases ($2.00M) and 0 open-market sales across all tracked filings.
Where can I see all of Patrick D. O'Brien'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 Patrick D. O'Brien profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.