Robert Bailenson - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Robert Bailenson has filed 1 SEC Form 4 filing across 1 company in the last 90 days - selling. Lifetime open-market sales: $9.53M.
Profile
Robert Bailenson is a corporate insider at ASSURED GUARANTY LTD (AGO). Bailenson has reported 6 insider filings with the SEC since 2024. The most recent filing was in May 2026.
| Role | Chief Operating Officer |
|---|---|
| Notability | 20/100 |
Board memberships
- ASSURED GUARANTY LTD
Trading Pattern
InsiderAlpha's records for Robert Bailenson go back to 2024: 5 primary Form 4 filings, an average of 1.7 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 Robert Bailenson 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 Operating Officer at ASSURED GUARANTY LTD (AGO) - 5 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-12 | AGO | ASSURED GUARANTY LTD | S - Open-market sale | 32.4K | $78.82 | $2.55M |
| 2026-05-12 | AGO | ASSURED GUARANTY LTD | S - Open-market sale | 17.6K | $78.24 | $1.38M |
| 2026-05-04 | AGO | ASSURED GUARANTY LTD | A - Grant or award | 7.8K | $0.00 | |
| 2026-02-25 | AGO | ASSURED GUARANTY LTD | F - Tax withholding / forfeiture | 8.4K | $88.39 | $744K |
| 2026-02-25 | AGO | ASSURED GUARANTY LTD | A - Grant or award | 16.5K | $0.00 | |
| 2026-02-25 | AGO | ASSURED GUARANTY LTD | F - Tax withholding / forfeiture | 5.6K | $88.39 | $498K |
| 2026-02-25 | AGO | ASSURED GUARANTY LTD | A - Grant or award | 13.8K | $0.00 | |
| 2025-08-11 | AGO | ASSURED GUARANTY LTD | S - Open-market sale | 40.0K | $81.51 | $3.26M |
| 2024-11-27 | AGO | ASSURED GUARANTY LTD | S - Open-market sale | 25.0K | $93.44 | $2.34M |
Companies - Last 90 Days
- ASSURED GUARANTY LTD (AGO) - 1 filing, last 2026-05-12
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Robert Bailenson 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
- 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:
- Saul B. Rosenthal
- Jack Ross
- Martine A. Rothblatt
- Saba Capital Management, L.P.
- Nicholas S. Schorsch
- Trygve Seglem
- Lawrence B. Seidman
- Thomas J. Shaw
Frequently Asked Questions
Who is Robert Bailenson?
Robert Bailenson is a corporate insider at ASSURED GUARANTY LTD (AGO). Bailenson has reported 6 insider filings with the SEC since 2024. The most recent filing was in May 2026.…
How many SEC Form 4 filings has Robert Bailenson submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Robert Bailenson been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($9.53M) across all tracked filings.
Where can I see all of Robert Bailenson'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 Robert Bailenson profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.