Updated Jul 16, 2026
Bulldog Investors, LLP is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $129K. Lifetime open-market sales: $40K. Historical track record: 3/5 stars across 6 tracked purchases.
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.
| InsiderAlpha rating | ★★★☆☆ (3/5) |
|---|---|
| Total purchases tracked | 6 |
| Purchases with forward-return data | 6 |
| 30-day win rate | 8333% |
| 90-day win rate | 6667% |
| Avg 5-day return | +68.57% |
| Avg 30-day return | +146.00% |
| Avg 90-day return | +192.28% |
| Best 30-day return | +299.57% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-02-26 | CXH | MFS INVESTMENT GRADE MUNICIPAL TRUST | P — Open-market purchase | 1.4K | $8.12 | $11K |
| 2026-02-13 | CXH | MFS INVESTMENT GRADE MUNICIPAL TRUST | P — Open-market purchase | 4.0K | $8.10 | $32K |
| 2026-01-26 | CXH | MFS INVESTMENT GRADE MUNICIPAL TRUST | P — Open-market purchase | 119 | $7.97 | $948 |
| 2026-01-26 | CXH | MFS INVESTMENT GRADE MUNICIPAL TRUST | S — Open-market sale | 5.0K | $7.97 | $40K |
| 2026-01-26 | CXH | MFS INVESTMENT GRADE MUNICIPAL TRUST | P — Open-market purchase | 10.0K | $7.97 | $80K |
| 2026-01-26 | CXH | MFS INVESTMENT GRADE MUNICIPAL TRUST | J — Other acquisition / disposition | 100 | $7.92 | $792 |
| 2026-01-23 | CMU | MFS HIGH YIELD MUNICIPAL TRUST | P — Open-market purchase | 678 | $3.50 | $2K |
| 2026-01-22 | CMU | MFS HIGH YIELD MUNICIPAL TRUST | P — Open-market purchase | 678 | $3.50 | $2K |
Bulldog Investors, LLP is a corporate insider — currently tracked as 10% Owner. InsiderAlpha tracks every SEC Form 4 filing in real time.
Recorded transactions: 6 open-market purchases ($129K) and 1 open-market sales ($40K) across all tracked filings.
Across 6 tracked purchases, Bulldog Investors, LLP averaged +146.0% avg 30-day return with a 8333% 30-day win rate. InsiderAlpha rates the track record at 3/5 stars.
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.
Open the live Bulldog Investors, LLP profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.