Benjamin G. Rosenblum - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Benjamin G. Rosenblum has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
Profile
Benjamin G. Rosenblum is a corporate insider at ASSURED GUARANTY LTD (AGO). Rosenblum has reported 6 insider filings with the SEC since 2025. The most recent filing was in July 2026.
| Role | CFO |
|---|---|
| Notability | 20/100 |
Board memberships
- ASSURED GUARANTY LTD
Trading Pattern
InsiderAlpha's records for Benjamin G. Rosenblum go back to 2025: 6 primary Form 4 filings, an average of 3.0 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 Benjamin G. Rosenblum 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.
- CFO at ASSURED GUARANTY LTD (AGO) - 6 filings, 2025 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-06 | AGO | ASSURED GUARANTY LTD | F - Tax withholding / forfeiture | 1.2K | $81.39 | $94K |
| 2026-05-04 | AGO | ASSURED GUARANTY LTD | F - Tax withholding / forfeiture | 637 | $80.86 | $52K |
| 2026-02-26 | AGO | ASSURED GUARANTY LTD | F - Tax withholding / forfeiture | 1.2K | $85.11 | $104K |
| 2026-02-25 | AGO | ASSURED GUARANTY LTD | F - Tax withholding / forfeiture | 1.7K | $88.39 | $151K |
| 2026-02-25 | AGO | ASSURED GUARANTY LTD | A - Grant or award | 8.0K | $0.00 | |
| 2025-07-01 | AGO | ASSURED GUARANTY LTD | F - Tax withholding / forfeiture | 1.3K | $86.64 | $108K |
| 2025-05-01 | AGO | ASSURED GUARANTY LTD | F - Tax withholding / forfeiture | 7.4K | $90.18 | $666K |
| 2025-05-01 | AGO | ASSURED GUARANTY LTD | F - Tax withholding / forfeiture | 638 | $87.51 | $56K |
Companies - Last 90 Days
- ASSURED GUARANTY LTD (AGO) - 1 filing, last 2026-07-06
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Benjamin G. Rosenblum 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.
- Francisco L. Borges - $9.93M of AGO open-market activity in the last 12 months
- Robert Bailenson - $7.19M of AGO open-market activity in the last 12 months
- Dominic Frederico - $6.16M of AGO open-market activity in the last 12 months
- Lorin Radtke - $184K of AGO 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 G. Rosenblum?
Benjamin G. Rosenblum is a corporate insider at ASSURED GUARANTY LTD (AGO). Rosenblum has reported 6 insider filings with the SEC since 2025. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Benjamin G. Rosenblum submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Benjamin G. Rosenblum'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 Benjamin G. Rosenblum profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.