Michael J. Hoffmann - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 4, 2026
Michael J. Hoffmann is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.
Profile
Michael J. Hoffmann is SVP Chief Underwriting Officer at James River Group Holdings, Ltd. (JRVR). Hoffmann has reported 4 insider filings with the SEC since 2026. The most recent filing was in March 2026.
| Role | SVP Chief Underwriting Officer |
|---|---|
| Notability | 34/100 |
Board memberships
- James River Group Holdings, Ltd.
Reported roles
- SVP Chief Underwriting Officer
Awards & honors
- Leadership in underwriting at James River Group
- Contributions to risk management strategies
Trading Pattern
InsiderAlpha's records for Michael J. Hoffmann go back to 2026: 4 primary Form 4 filings, an average of 4.0 per year. 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 Michael J. Hoffmann 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.
- SVP Chief Underwriting Officer at James River Group Holdings, Ltd. (JRVR) - 4 filings, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-09 | JRVR | James River Group Holdings, Ltd. | F - Tax withholding / forfeiture | 8.9K | $6.44 | $58K |
| 2026-03-06 | JRVR | James River Group Holdings, Ltd. | A - Grant or award | 32.8K | $0.00 | |
| 2026-03-04 | JRVR | James River Group Holdings, Ltd. | F - Tax withholding / forfeiture | 1.9K | $7.13 | $13K |
| 2026-03-04 | JRVR | James River Group Holdings, Ltd. | A - Grant or award | 6.2K | $0.00 | |
| 2026-03-03 | JRVR | James River Group Holdings, Ltd. | F - Tax withholding / forfeiture | 3.4K | $7.00 | $23K |
| 2026-03-03 | JRVR | James River Group Holdings, Ltd. | F - Tax withholding / forfeiture | 1.3K | $7.00 | $9K |
Most Active Insiders Right Now
Michael J. Hoffmann has no recent co-filers at the same companies, so here are the insiders with the largest open-market activity across the market in the last 90 days.
- MetLife Investment Management, LLC - $1600000.00B of FINS open-market activity in the last 90 days
- Magnetar Financial LLC - $16357.48B of CRWV open-market activity in the last 90 days
- Marianne Okland - $18.46B of STNG open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $14.13B of SVRE open-market activity in the last 90 days
- Vanessa Allen Sutherland - $7.44B of PSX open-market activity in the last 90 days
- AI Alpine (Luxembourg) S.a.r.l. - $2.69B of INIO open-market activity in the last 90 days
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 Michael J. Hoffmann?
Michael J. Hoffmann is SVP Chief Underwriting Officer at James River Group Holdings, Ltd. (JRVR). Hoffmann has reported 4 insider filings with the SEC since 2026. The most recent filing was in March 2026.…
Where can I see all of Michael J. Hoffmann'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 Michael J. Hoffmann profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.