What is a Form 4?
A Form 4 is the SEC filing a company insider, such as an officer, director or 10% owner, uses to report a trade in the company's stock, generally within two business days. The animation follows one real filing as an example: Paul P. Rusnak's purchase of Sonic Automotive (SAH) shares on October 7, 2026.
The same reading applies to every row on this page. The trade date is when the shares changed hands. The available date is when NexusTrade treats the filing as public, and a NexusTrade InsiderTrades indicator counts a purchase (code P) or sale (code S) only from that moment. Code A awards are not counted as purchases.
Issuer relationships
A reporting-owner CIK identifies the filer across issuer relationships and name aliases. A filer may be an individual or an organization; the filing role is the relevant evidence.
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| BlackRock Long-Term Municipal Advantage Trust | 0001343793 | BTA | No | No |
| BLACKROCK STRATEGIC MUNICIPAL TRUST | 0001089094 | BSD | No | No |
| BLACKROCK MUNICIPAL BOND INVESTMENT TRUST | 0001169028 | BIE | No | No |
| BLACKROCK MUNICIPAL INCOME INVESTMENT TRUST | 0001137392 | BBF | No | No |
| BLACKROCK MUNIYIELD CALIFORNIA QUALITY FUND, INC. | 0000888410 | MCA | No | No |
| BLACKROCK MUNIYIELD INVESTMENT QUALITY FUND | 0000891188 | MFT | No | No |
| BLACKROCK MUNICIPAL INCOME INVESTMENT QUALITY TRUST | 0001181026 | BAF | No | No |
| BLACKROCK MASSACHUSETTS TAX-EXEMPT TRUST | 0000901824 | MHE | No | No |
| BLACKROCK MUNICIPAL INCOME FUND, INC. | 0001232860 | MUI | No | No |
| BLACKROCK MUNI NEW YORK INTERMEDIATE DURATION FUND, INC. | 0001232863 | MNE | No | No |
| BLACKROCK CALIFORNIA MUNICIPAL INCOME TRUST | 0001137391 | BFZ | No | No |
| BLACKROCK MUNIYIELD MICHIGAN QUALITY FUND, INC. | 0000890393 | MIY | No | No |
| BLACKROCK MUNIYIELD PENNSYLVANIA QUALITY FUND | 0000891038 | MPA | No | No |
| BLACKROCK MUNIHOLDINGS CALIFORNIA QUALITY FUND, INC. | 0001051004 | MUC | No | No |
| BLACKROCK MUNIVEST FUND, INC. | 0000835948 | MVF | No | No |
| BLACKROCK MUNIYIELD CALIFORNIA FUND, INC. | 0000882152 | MYC | No | No |
| BLACKROCK MUNIYIELD ARIZONA FUND, INC. | 0000911308 | MZA | No | No |
| BLACKROCK NEW YORK MUNICIPAL BOND TRUST | 0001167470 | BQH | No | No |
| BLACKROCK NEW YORK MUNICIPAL INCOME TRUST | 0001137390 | BNY | No | No |
| BLACKROCK NEW YORK MUNICIPAL INCOME QUALITY TRUST | 0001181024 | BSE | No | No |
| BLACKROCK NEW YORK MUNICIPAL INCOME TRUST II | 0001176197 | BFY | No | No |
| BLACKROCK MUNICIPAL INCOME TRUST II | 0001176194 | BLE | No | No |
| BLACKROCK MUNICIPAL INCOME TRUST | 0001137393 | BFK | No | No |
| BLACKROCK MUNIHOLDINGS NEW YORK QUALITY FUND, INC. | 0001038186 | MHN | No | No |
| BLACKROCK MUNIYIELD NEW YORK QUALITY FUND, INC. | 0000882150 | MYN | No | No |
| MainStay MacKay Municipal Income Opportunities Fund | 0001995668 | MMIOX | No | No |
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Recent SEC transactions
Code P identifies a purchase, S a sale and A an award. Awards and open-market purchases describe different events. Use the public availability date when deciding when a researcher could have known about the transaction.
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Up to 50 transactions from the recent two-year owner window.
Source evidence and strategy eligibility
The transactions below come from filings; a historical tracker separately simulates following eligible events. Joint filers can report the same transaction, and an owner can have filings at multiple companies. Public availability, amendment lineage and verified coverage determine which events a historical tracker may use.
The current directory marks this owner's filing coverage verified.