Mersana Therapeutics, Inc. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Cambridge, MA
SEC filing record 1 source field available
Fiscal year end
31 December
Mersana Therapeutics, Inc. has filed 704 SEC EDGAR filings since 12 Aug 2008

SEC filing history

Showing 401-425 of 702 matching filings.

Per page
25
Current page
17
4

OWNERSHIP DOCUMENT

Filing date
22 Jan 2021
Reporting date
20 Jan 2021
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4

FORM 4 SUBMISSION

Filing date
20 Jan 2021
Reporting date
15 Jan 2021
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4

OWNERSHIP DOCUMENT

Filing date
20 Jan 2021
Reporting date
15 Jan 2021
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4

OWNERSHIP DOCUMENT

Filing date
20 Jan 2021
Reporting date
15 Jan 2021
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4

OWNERSHIP DOCUMENT

Filing date
20 Jan 2021
Reporting date
15 Jan 2021
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4

OWNERSHIP DOCUMENT

Filing date
20 Jan 2021
Reporting date
15 Jan 2021
SEC evidence
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4

OWNERSHIP DOCUMENT

Filing date
20 Jan 2021
Reporting date
15 Jan 2021
SEC evidence
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4

OWNERSHIP DOCUMENT

Filing date
20 Jan 2021
Reporting date
15 Jan 2021
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4

OWNERSHIP DOCUMENT

Filing date
20 Jan 2021
Reporting date
15 Jan 2021
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4

OWNERSHIP DOCUMENT

Filing date
20 Jan 2021
Reporting date
15 Jan 2021
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4

OWNERSHIP DOCUMENT

Filing date
20 Jan 2021
Reporting date
15 Jan 2021
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4

OWNERSHIP DOCUMENT

Filing date
20 Jan 2021
Reporting date
15 Jan 2021
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4

FORM 4 SUBMISSION

Filing date
12 Jan 2021
Reporting date
08 Jan 2021
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SC 13D/A File 005-90033

SC 13D/A

Filing date
12 Jan 2021
Reporting date
Not listed
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4

OWNERSHIP DOCUMENT

Filing date
06 Jan 2021
Reporting date
04 Jan 2021
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4

OWNERSHIP DOCUMENT

Filing date
30 Dec 2020
Reporting date
28 Dec 2020
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4

OWNERSHIP DOCUMENT

Filing date
22 Dec 2020
Reporting date
21 Dec 2020
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4

OWNERSHIP DOCUMENT

Filing date
15 Dec 2020
Reporting date
14 Dec 2020
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SC 13D/A File 005-90033

NEW ENTERPRISE ASSOCIATES 14, L.P. -- MERSANA THERAPEUTICS. 13DA5

Filing date
10 Dec 2020
Reporting date
Not listed
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4

4

Filing date
03 Dec 2020
Reporting date
01 Dec 2020
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4

4

Filing date
02 Dec 2020
Reporting date
30 Nov 2020
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3

3

Filing date
02 Dec 2020
Reporting date
30 Nov 2020
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4

4

Filing date
24 Nov 2020
Reporting date
20 Nov 2020
SEC evidence
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