Financial reports
10-K
2023 FY
Annual report
5 Mar 24
10-Q
2023 Q3
Quarterly report
13 Nov 23
10-Q
2023 Q2
Quarterly report
28 Jul 23
10-Q
2023 Q1
Quarterly report
11 May 23
10-K
2022 FY
Annual report
22 Mar 23
10-Q
2022 Q3
Quarterly report
3 Nov 22
10-Q
2022 Q2
Quarterly report
9 Aug 22
10-Q
2022 Q1
Quarterly report
4 May 22
10-K
2021 FY
Annual report
24 Feb 22
10-Q
2021 Q3
Quarterly report
9 Nov 21
Current reports
8-K
Other Events
18 Apr 24
8-K
Cyclerion Appoints Regina Graul, Ph.D., as President
4 Dec 23
8-K
Cyclerion Strengthens Board of Directors with Experienced Company Builder
1 Dec 23
8-K
Departure of Directors or Certain Officers
24 Nov 23
8-K
Departure of Directors or Certain Officers
23 Oct 23
8-K
Submission of Matters to a Vote of Security Holders
19 Jul 23
8-K
Other Events
12 Jul 23
8-K
Departure of Directors or Certain Officers
27 Jun 23
8-K
Other Events
1 Jun 23
8-K
Unregistered Sales of Equity Securities
25 May 23
Registration and prospectus
S-8
Registration of securities for employees
28 Jul 23
D
$5.00 mm in equity, sold $5.00 mm, 1 investor
25 May 23
S-8
Registration of securities for employees
10 Aug 22
S-8
Registration of securities for employees
30 Jul 21
424B4
Prospectus supplement with pricing info
24 Jun 21
S-3/A
Shelf registration (amended)
23 Jun 21
D
$18.03M in equity, sold $18.03M, 7 investors
17 Jun 21
S-3
Shelf registration
16 Jun 21
S-8
Registration of securities for employees
22 Sep 20
424B5
Prospectus supplement for primary offering
3 Sep 20
Proxies
DEFM14A
Proxy related to merger
20 Jun 23
PREM14A
Preliminary proxy related to merger
9 Jun 23
DEFA14A
Additional proxy soliciting materials
11 May 23
DEFA14A
Additional proxy soliciting materials
3 Apr 23
DEF 14A
Definitive proxy
3 Apr 23
PRE 14A
Preliminary proxy
22 Mar 23
DEFA14A
Additional proxy soliciting materials
26 Apr 22
DEF 14A
Definitive proxy
26 Apr 22
DEFA14A
Additional proxy soliciting materials
28 Apr 21
DEF 14A
Definitive proxy
28 Apr 21
Other
UPLOAD
Letter from SEC
28 Dec 23
CORRESP
Correspondence with SEC
12 Dec 23
UPLOAD
Letter from SEC
28 Nov 23
UPLOAD
Letter from SEC
7 Sep 21
CORRESP
Correspondence with SEC
27 Aug 21
UPLOAD
Letter from SEC
24 Aug 21
EFFECT
Notice of effectiveness
24 Jun 21
UPLOAD
Letter from SEC
21 Jun 21
CORRESP
Correspondence with SEC
21 Jun 21
EFFECT
Notice of effectiveness
17 Aug 20
Ownership
3
RHONDA M. CHICKO
11 Mar 24
SC 13G/A
TYNDALL CAPITAL PARTNERS L P
14 Feb 24
SC 13G/A
Artal International S.C.A.
9 Feb 24
SC 13G/A
FMR LLC
9 Feb 24
4
Peter M Hecht
26 Jan 24
4
Regina Margaret Graul
26 Jan 24
SC 13G/A
Slate Path Capital LP
22 Jan 24
3
Dina Katabi
11 Dec 23
3
Michael J Higgins
7 Dec 23
3/A
Regina Margaret Graul
7 Dec 23