Updated Jul 16, 2026
Hyzak Dwayne L. has filed 5 SEC Form 4 filings across 2 companies in the last 90 days — buying. Lifetime open-market purchases: $170K.

Dwayne L. Hyzak is the CEO of Main Street Capital Corp, an investment firm specializing in providing customized debt and equity financing to lower middle market companies. He has held various roles within the company, contributing to its growth and investment strategies.
| Role | Insider |
|---|---|
| Notability | 50/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-30 | MSIF | MSC INCOME FUND, INC. | P — Open-market purchase | 6.0K | $11.68 | $70K |
| 2026-06-11 | MSIF | MSC INCOME FUND, INC. | P — Open-market purchase | 117 | $11.67 | $1K |
| 2026-06-11 | MSIF | MSC INCOME FUND, INC. | P — Open-market purchase | 4.2K | $11.69 | $49K |
| 2026-05-28 | MAIN | Main Street Capital CORP | J — Other acquisition / disposition | 456 | $50.69 | $23K |
| 2026-05-19 | MSIF | MSC INCOME FUND, INC. | J — Other acquisition / disposition | 344 | $13.31 | $5K |
| 2026-05-06 | MAIN | Main Street Capital CORP | J — Other acquisition / disposition | 408 | $56.39 | $23K |
| 2026-04-03 | MAIN | Main Street Capital CORP | F — Tax withholding / forfeiture | 29.2K | $52.96 | $1.55M |
| 2026-04-03 | MAIN | Main Street Capital CORP | A — Grant or award | 81.6K | $0.00 | |
| 2026-04-03 | MAIN | Main Street Capital CORP | J — Other acquisition / disposition | 499 | $52.92 | $26K |
| 2026-04-03 | MAIN | Main Street Capital CORP | J — Other acquisition / disposition | 417 | $54.66 | $23K |
| 2026-03-11 | MAIN | Main Street Capital CORP | J — Other acquisition / disposition | 373 | $60.89 | $23K |
| 2026-03-10 | MSIF | MSC INCOME FUND, INC. | J — Other acquisition / disposition | 344 | $12.95 | $4K |
| 2026-02-13 | MAIN | Main Street Capital CORP | J — Other acquisition / disposition | 363 | $62.27 | $23K |
| 2026-01-13 | MAIN | Main Street Capital CORP | J — Other acquisition / disposition | 427 | $60.77 | $26K |
| 2026-01-13 | MAIN | Main Street Capital CORP | J — Other acquisition / disposition | 354 | $62.05 | $22K |
| 2025-12-05 | MAIN | Main Street Capital CORP | J — Other acquisition / disposition | 371 | $58.90 | $22K |
| 2025-09-29 | MSIF | MSC INCOME FUND, INC. | P — Open-market purchase | 3.7K | $13.49 | $50K |
| 2025-09-15 | MAIN | Main Street Capital CORP | J — Other acquisition / disposition | 400 | $63.72 | $26K |
| 2025-09-15 | MAIN | Main Street Capital CORP | J — Other acquisition / disposition | 322 | $66.98 | $22K |
| 2025-08-15 | MAIN | Main Street Capital CORP | J — Other acquisition / disposition | 320 | $67.15 | $22K |
Dwayne L. Hyzak is the CEO of Main Street Capital Corp, an investment firm specializing in providing customized debt and equity financing to lower middle market companies. He has held various roles within the company, contributing to its growth and investment strategies.…
5 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 4 open-market purchases ($170K) and 0 open-market sales () across all tracked 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.
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