Companies: 10,795·Total market cap: $144.5T
Calamos Strategic Total Return Fund

Calamos Strategic Total Return Fund

CSQNASDAQFinancial Services● Active
$19.89
$-0.08(-0.40%)
Market Cap$3.2B
P/E Ratio
52W High$20.82
52W Low$16.41
SEC Filings

Calamos Strategic Total Return Fund (CSQ) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0001275214 · CSQ · NASDAQ · as of Jun 9, 2026

Filing snapshot

438
Total Filings
SCHEDULE 13G/A
Latest Form
2026-05-14
Most Recent
2004
Filing Since

Source: SEC EDGAR (data.sec.gov) · CIK 0001275214 · Updated hourly · Not investment advice

Latest Key Filings

10-QQuarterly Report

No recent filings

8-KCurrent Report
FORM 8-K
2024-05-14Material Event
Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

SEC Filing History

Hide Form 4 / 144
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-05-14
View
DEF 14AProxy Statement
DEF 14A
2026-05-11
View
NPORT-PNPORT-P
NPORT-P
2026-03-31
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-02-13
View
N-CENN-CEN
N-CEN
2026-01-13
View
N-CSRN-CSR
N-CSR
2025-12-29
View
NPORT-PNPORT-P
NPORT-P
2025-12-23
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2025-11-14
View
NPORT-PNPORT-P
NPORT-P
2025-09-29
View
40-17G/A40-17G/A
40-17G/A
2025-09-16
View
3Initial Statement of Beneficial Ownership
PRIMARY DOCUMENT
2025-09-12
View
3/AInitial Statement of Beneficial Ownership (Amended)
PRIMARY DOCUMENT
2025-09-09
View
3Initial Statement of Beneficial Ownership
PRIMARY DOCUMENT
2025-09-09
View
3Initial Statement of Beneficial Ownership
PRIMARY DOCUMENT
2025-09-09
View
N-PXN-PX
N-PX
2025-08-27
View
Showing 1–15 of 407 filingsForm 4 / 144 hidden· 438 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0001275214  |  Exchange: NASDAQ · Financial Services

Calamos Strategic Total Return Fund (NASDAQ: CSQ) has submitted 438 documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 2004. As a Financial Services sector company with CIK 0001275214, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Calamos Strategic Total Return Fund's most comprehensive regulatory disclosure. The most recent Calamos Strategic Total Return Fund 10-K was filed on — for fiscal year ending —. Historical CSQ 10-K annual reports are available from 2004 through —.

Investors researching Calamos Strategic Total Return Fund SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-09

Frequently Asked Questions

CSQ SEC Filings · 8 questions

Calamos Strategic Total Return Fund (CSQ) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 438 filings and access original documents at no cost. Calamos Strategic Total Return Fund's CIK is 0001275214.

CSQ SEC filingsCalamos Strategic Total Return Fund SEC documentsfind CSQ 10-K