MRSN

Mersana Therapeutics, Inc.

Insider trading activity for Mersana Therapeutics, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Transaction history

The 100 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Jan 6	Protopapas Anna	Director	DTOISS◆	166	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	5,227	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	1,131	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	2,200	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	11,250	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	9,043	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	665	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	11,761	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	988	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	18	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	1	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	8,137	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	542	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	7,519	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	480	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	2,500	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	DTOISS◆	2,460	—	—	—	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	UTENDR	9,609	—	—	-100.0%	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	UTENDR	2,890	—	—	-100.0%	Open the original filing on SEC.gov
Jan 6	Protopapas Anna	Director	UTENDR	6,721	—	—	-100.0%	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	666	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	500	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	212	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	192	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	1,842	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	1,157	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	1,183	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	722	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	788	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	359	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	773	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	310	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	44	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	555	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	2,870	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	1,312	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	DTOISS◆	1,687	—	—	—	Open the original filing on SEC.gov
Jan 6	Mandelia Ashish	VP, Chief Accounting…	UTENDR	2,300	—	—	-100.0%	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	DTOISS◆	2,200	—	—	—	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	DTOISS◆	734	—	—	—	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	DTOISS◆	1,800	—	—	—	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	DTOISS◆	740	—	—	—	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	DTOISS◆	1,002	—	—	—	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	DTOISS◆	181	—	—	—	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	DTOISS◆	368	—	—	—	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	DTOISS◆	788	—	—	—	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	DTOISS◆	1,000	—	—	—	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	DTOISS◆	1,011	—	—	—	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	DTOISS◆	400	—	—	—	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	DTOISS◆	264	—	—	—	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	DTOISS◆	2,460	—	—	—	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	UTENDR	383	—	—	-100.0%	Open the original filing on SEC.gov
Jan 6	Mott David M	Director	UTENDR	23,546	—	—	-100.0%	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	2,166	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	1,500	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	750	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	192	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	1,834	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	7,959	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	1,040	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	5,891	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	858	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	3,234	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	215	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	4,974	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	275	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	3,090	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	920	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	419	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	713	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	1,578	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	696	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	6,702	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	DTOISS◆	3,047	—	—	—	Open the original filing on SEC.gov
Jan 6	Lowinger Timothy B	SVP, Chief Sci.&Tech.…	UTENDR	10,466	—	—	-100.0%	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	7,256	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	1,328	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	13,340	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	7,467	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	497	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	364	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	27,878	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	12,121	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	179	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	734	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	135	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	1,800	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	407	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	1,002	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	99	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	1,923	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	26,713	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	DTOISS◆	5,938	—	—	—	Open the original filing on SEC.gov
Jan 6	Huber Martin H. Jr.	President, CEO	UTENDR	9,573	—	—	-100.0%	Open the original filing on SEC.gov
Jan 6	Hege Kristen	Director	DTOISS◆	2,088	—	—	—	Open the original filing on SEC.gov
Jan 6	Hege Kristen	Director	DTOISS◆	2,200	—	—	—	Open the original filing on SEC.gov
Jan 6	Hege Kristen	Director	DTOISS◆	257	—	—	—	Open the original filing on SEC.gov
Jan 6	Hege Kristen	Director	DTOISS◆	380	—	—	—	Open the original filing on SEC.gov
Jan 6	Hege Kristen	Director	DTOISS◆	146	—	—	—	Open the original filing on SEC.gov
Jan 6	Hege Kristen	Director	DTOISS◆	734	—	—	—	Open the original filing on SEC.gov

DTOISS◆—

Protopapas Anna · DirectorJan 6

166 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

5,227 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

1,131 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

2,200 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

11,250 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

9,043 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

665 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

11,761 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

988 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

18 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

1 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

8,137 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

542 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

7,519 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

480 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

2,500 sh

DTOISS◆—

Protopapas Anna · DirectorJan 6

2,460 sh

UTENDR—

Protopapas Anna · DirectorJan 6

9,609 sh · -100.0% own

UTENDR—

Protopapas Anna · DirectorJan 6

2,890 sh · -100.0% own

UTENDR—

Protopapas Anna · DirectorJan 6

6,721 sh · -100.0% own

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

666 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

500 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

212 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

192 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

1,842 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

1,157 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

1,183 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

722 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

788 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

359 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

773 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

310 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

44 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

555 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

2,870 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

1,312 sh

DTOISS◆—

Mandelia Ashish · VP, Chief Accounti…Jan 6

1,687 sh

UTENDR—

Mandelia Ashish · VP, Chief Accounti…Jan 6

2,300 sh · -100.0% own

DTOISS◆—

Mott David M · DirectorJan 6

2,200 sh

DTOISS◆—

Mott David M · DirectorJan 6

734 sh

DTOISS◆—

Mott David M · DirectorJan 6

1,800 sh

DTOISS◆—

Mott David M · DirectorJan 6

740 sh

DTOISS◆—

Mott David M · DirectorJan 6

1,002 sh

DTOISS◆—

Mott David M · DirectorJan 6

181 sh

DTOISS◆—

Mott David M · DirectorJan 6

368 sh

DTOISS◆—

Mott David M · DirectorJan 6

788 sh

DTOISS◆—

Mott David M · DirectorJan 6

1,000 sh

DTOISS◆—

Mott David M · DirectorJan 6

1,011 sh

DTOISS◆—

Mott David M · DirectorJan 6

400 sh

DTOISS◆—

Mott David M · DirectorJan 6

264 sh

DTOISS◆—

Mott David M · DirectorJan 6

2,460 sh

UTENDR—

Mott David M · DirectorJan 6

383 sh · -100.0% own

UTENDR—

Mott David M · DirectorJan 6

23,546 sh · -100.0% own

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

2,166 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

1,500 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

750 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

192 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

1,834 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

7,959 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

1,040 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

5,891 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

858 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

3,234 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

215 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

4,974 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

275 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

3,090 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

920 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

419 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

713 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

1,578 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

696 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

6,702 sh

DTOISS◆—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

3,047 sh

UTENDR—

Lowinger Timothy B · SVP, Chief Sci.&Te…Jan 6

10,466 sh · -100.0% own

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

7,256 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

1,328 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

13,340 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

7,467 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

497 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

364 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

27,878 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

12,121 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

179 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

734 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

135 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

1,800 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

407 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

1,002 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

99 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

1,923 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

26,713 sh

DTOISS◆—

Huber Martin H. Jr. · President, CEOJan 6

5,938 sh

UTENDR—

Huber Martin H. Jr. · President, CEOJan 6

9,573 sh · -100.0% own

DTOISS◆—

Hege Kristen · DirectorJan 6

2,088 sh

DTOISS◆—

Hege Kristen · DirectorJan 6

2,200 sh

DTOISS◆—

Hege Kristen · DirectorJan 6

257 sh

DTOISS◆—

Hege Kristen · DirectorJan 6

380 sh

DTOISS◆—

Hege Kristen · DirectorJan 6

146 sh

DTOISS◆—

Hege Kristen · DirectorJan 6

734 sh

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

No filings held for this company can be measured against the deadline.

Insiders at this company

Everyone who has filed a Form 4 for this issuer.