Financial reports
N-CEN
Annual report (registered investment company)
16 Jan 24
N-CSR
Certified annual shareholder report (management investment company)
28 Dec 23
N-CSRS
Certified semi-annual shareholder report (management investment company)
28 Jun 23
N-CEN
Annual report (registered investment company)
17 Jan 23
N-CSR
Certified annual shareholder report (management investment company)
28 Dec 22
N-CSRS
Certified semi-annual shareholder report (management investment company)
24 Jun 22
N-CSR/A
Certified annual shareholder report (management investment company) (amended)
6 Jun 22
N-CEN
Annual report (registered investment company)
13 Jan 22
N-CSR
Certified annual shareholder report (management investment company)
29 Dec 21
N-CSRS
Certified semi-annual shareholder report (management investment company)
25 Jun 21
Registration and prospectus
424B3
Prospectus supplement
2 Oct 23
424B3
Prospectus supplement
30 Sep 22
424B3
Prospectus supplement
1 Jun 22
424B3
Prospectus supplement
19 Jan 22
424B3
Prospectus supplement
3 Jan 22
424B3
Prospectus supplement
30 Sep 21
424B3
Prospectus supplement
27 Aug 21
424B5
Prospectus supplement for primary offering
5 May 21
25
Voluntary exchange delisting
28 Jun 12
8-A12B
Registration of securities on exchange
28 Jun 12
Proxies
DEF 14A
Definitive proxy
13 May 24
N-PX
Annual report of proxy voting record
28 Aug 23
DEF 14A
Definitive proxy
8 May 23
N-PX
Annual report of proxy voting record
22 Aug 22
DEF 14A
Definitive proxy
11 May 22
N-PX
Annual report of proxy voting record
27 Aug 21
DEF 14A
Definitive proxy
12 May 21
N-PX
Annual report of proxy voting record
27 Aug 20
DEF 14A
Definitive proxy
14 May 20
N-PX
Annual report of proxy voting record
28 Aug 19
Other
CORRESP
Correspondence with SEC
7 Jun 22
CORRESP
Correspondence with SEC
27 Oct 16
EFFECT
Notice of effectiveness
11 Mar 08
CORRESP
Correspondence with SEC
7 Mar 08
CORRESP
Correspondence with SEC
7 Mar 08
CORRESP
Correspondence with SEC
28 Feb 08
CORRESP
Correspondence with SEC
22 Feb 08
CORRESP
Correspondence with SEC
22 Feb 08
CORRESP
Correspondence with SEC
22 Feb 08
CORRESP
Correspondence with SEC
30 Jan 08
Ownership
NPORT-P
Calamos Strategic Total Return Fund (Jan 2024 report)
27 Mar 24
SC 13G/A
Apollo Management Holdings GP, LLC
14 Feb 24
SC 13G/A
Equitable Holdings, Inc.
14 Feb 24
NPORT-P
Calamos Strategic Total Return Fund (Oct 2023 report)
27 Dec 23
4
John S. Koudounis
6 Dec 23
NPORT-P
Calamos Strategic Total Return Fund (Jul 2023 report)
29 Sep 23
3
Erik D. Ojala
28 Sep 23
NPORT-P
Calamos Strategic Total Return Fund (Apr 2023 report)
28 Jun 23
NPORT-P
Calamos Strategic Total Return Fund (Jan 2023 report)
31 Mar 23
SC 13G/A
Sun Life Assurance Co of Canada
28 Feb 23