BLACKROCK CALIFORNIA MUNICIPAL SERIES TRUSTSEC Filings
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All SEC filings by BLACKROCK CALIFORNIA MUNICIPAL SERIES TRUST — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.
Financials
| N-CEN | Annual report (registered investment company) | Aug 13, 2026 | ||
| N-CSR | Certified annual shareholder report (management investment company) | Aug 7, 2026 | ||
| N-CSRS | Certified semi-annual shareholder report (management investment company) | Feb 4, 2026 | ||
| N-CEN | Annual report (registered investment company) | Aug 12, 2025 | ||
| N-CSR | Certified annual shareholder report (management investment company) | Aug 5, 2025 | ||
| N-CSRS | Certified semi-annual shareholder report (management investment company) | Feb 4, 2025 | ||
| N-CEN | Annual report (registered investment company) | Aug 9, 2024 | ||
| N-CSR | Certified annual shareholder report (management investment company) | Aug 7, 2024 | ||
| N-CSRS | Certified semi-annual shareholder report (management investment company) | Feb 1, 2024 | ||
| N-CEN | Annual report (registered investment company) | Aug 4, 2023 |
Events
No results found.
Registrations and Prospectuses
| 40-APP/A | Application for exemptive order (Investment Company Act) | Sep 30, 2025 | ||
| 40-APP/A | Application for exemptive order (Investment Company Act) | Jun 23, 2025 | ||
| 40-APP/A | Application for exemptive order (Investment Company Act) | Apr 15, 2025 | ||
| 40-APP/A | Application for exemptive order (Investment Company Act) | Aug 5, 2016 | ||
| 40-APP/A | Application for exemptive order (Investment Company Act) | May 13, 2016 | ||
| 40-APP/A | Application for exemptive order (Investment Company Act) | Nov 20, 2015 | ||
| 40-APP | Application for exemptive order (Investment Company Act) | Jun 26, 2015 | ||
| 40-APP | Application for exemptive order (Investment Company Act) | Jun 17, 2010 | ||
| AW | Withdrawal of amendment | Sep 18, 2006 | ||
| N-14/A | Registration statement for investment companies business combination | Mar 27, 2001 |
Proxies
| N-PX | Annual report of proxy voting record | Aug 26, 2026 | ||
| N-PX | Annual report of proxy voting record | Aug 27, 2025 | ||
| N-PX | Annual report of proxy voting record | Aug 27, 2024 | ||
| DEF 14A | Definitive proxy | Sep 18, 2023 | ||
| N-PX | Annual report of proxy voting record | Aug 25, 2023 | ||
| N-PX | Annual report of proxy voting record | Aug 25, 2022 | ||
| N-PX | Annual report of proxy voting record | Aug 27, 2021 | ||
| N-PX | Annual report of proxy voting record | Aug 27, 2020 | ||
| N-PX | Annual report of proxy voting record | Aug 29, 2019 | ||
| DEF 14A | Definitive proxy | Oct 3, 2018 |
Other
Ownership
| NPORT-P | Blackrock California Municipal Opportunities Fund (may 2026 Report) | Jul 24, 2026 | ||
| NPORT-P | Blackrock California Municipal Opportunities Fund (feb 2026 Report) | Apr 23, 2026 | ||
| NPORT-P | Blackrock California Municipal Opportunities Fund (nov 2025 Report) | Jan 23, 2026 | ||
| NPORT-P | Blackrock California Municipal Opportunities Fund (aug 2025 Report) | Oct 27, 2025 | ||
| NPORT-P | Blackrock California Municipal Opportunities Fund (may 2025 Report) | Jul 25, 2025 | ||
| NPORT-P | Blackrock California Municipal Opportunities Fund (feb 2025 Report) | Apr 24, 2025 | ||
| NPORT-P | Blackrock California Municipal Opportunities Fund (nov 2024 Report) | Jan 24, 2025 | ||
| NPORT-P | Blackrock California Municipal Opportunities Fund (aug 2024 Report) | Oct 25, 2024 | ||
| NPORT-P | Blackrock California Municipal Opportunities Fund (may 2024 Report) | Jul 26, 2024 | ||
| NPORT-P | Blackrock California Municipal Opportunities Fund (feb 2024 Report) | Apr 24, 2024 |