Financial reports
10-K/A
2023 FY
Annual report (amended)
21 Mar 24
10-K
2023 FY
Annual report
7 Mar 24
10-Q
2023 Q3
Quarterly report
2 Nov 23
10-Q
2023 Q2
Quarterly report
3 Aug 23
10-Q
2023 Q1
Quarterly report
4 May 23
10-K
2022 FY
Annual report
9 Mar 23
10-Q
2022 Q3
Quarterly report
3 Nov 22
10-Q
2022 Q2
Quarterly report
4 Aug 22
10-Q
2022 Q1
Quarterly report
5 May 22
10-K
2021 FY
Annual report
9 Mar 22
Current reports
8-K
Merrimack Receives $225 Million Milestone Payment from Ipsen
27 Mar 24
8-K
Merrimack Reports Full Year 2023 Financial Results
7 Mar 24
8-K
FDA Approval Triggers $225 Million Milestone Payment from Ipsen to Merrimack
13 Feb 24
8-K
Merrimack Reports Third Quarter 2023 Financial Results
2 Nov 23
8-K
Merrimack Reports Second Quarter 2023 Financial Results
3 Aug 23
8-K
Submission of Matters to a Vote of Security Holders
7 Jun 23
8-K
Merrimack Reports First Quarter 2023 Financial Results
4 May 23
8-K
Merrimack Reports Full Year 2022 Financial Results
9 Mar 23
8-K
Entry into a Material Definitive Agreement
5 Dec 22
8-K
Regulation FD Disclosure
9 Nov 22
Registration and prospectus
425
Business combination disclosure
7 Mar 24
S-8
Registration of securities for employees
30 Nov 22
S-8
Registration of securities for employees
13 Mar 20
8-A12G
Registration of securities
3 Dec 19
S-8
Registration of securities for employees
6 Mar 19
S-8
Registration of securities for employees
12 Mar 18
S-3
Shelf registration
15 Dec 17
SC TO-I/A
Issuer tender offer statement (amended)
13 Nov 17
SC TO-I/A
Issuer tender offer statement (amended)
8 Nov 17
SC TO-I/A
Issuer tender offer statement (amended)
27 Oct 17
Proxies
DEFR14A
Revised proxy
1 Apr 24
DEFA14A
Additional proxy soliciting materials
27 Mar 24
DEFA14A
Additional proxy soliciting materials
22 Mar 24
DEF 14A
Definitive proxy
21 Mar 24
PRE 14A
Preliminary proxy
5 Mar 24
DEFA14A
Additional proxy soliciting materials
13 Feb 24
DEFA14A
Additional proxy soliciting materials
21 Apr 23
DEF 14A
Definitive proxy
21 Apr 23
PRE 14A
Preliminary proxy
7 Apr 23
DEF 14A
Definitive proxy
27 Apr 22
Other
CORRESP
Correspondence with SEC
26 Sep 19
CORRESP
Correspondence with SEC
16 Aug 19
UPLOAD
Letter from SEC
15 Aug 19
UPLOAD
Letter from SEC
12 Aug 19
UPLOAD
Letter from SEC
12 Aug 19
UPLOAD
Letter from SEC
27 Apr 18
CORRESP
Correspondence with SEC
26 Apr 18
UPLOAD
Letter from SEC
24 Apr 18
EFFECT
Notice of effectiveness
5 Jan 18
CORRESP
Correspondence with SEC
3 Jan 18
Ownership
SC 13G/A
BlackRock Inc.
7 Mar 24
SC 13G/A
22NW Fund, LP
14 Feb 24
SC 13G
BlackRock Inc.
31 Jan 24
SC 13D/A
Newtyn Management, LLC
25 Jan 24
4
Eric Andersen
28 Dec 23
SC 13D/A
Western Standard LLC
13 Dec 23
4
Eric Andersen
11 Dec 23
4
Eric Andersen
20 Nov 23
4
Eric Andersen
16 Nov 23
4
Eric Andersen
14 Nov 23