MTSR

Metsera, Inc.

Insider trading activity for Metsera, 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

-$11.8K

net selling

Bought(0 · 0 insiders): $0
Sold(1 · 1 insiders): $11.8K

Transaction history

The 68 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
Nov 13, 2025	Population Health…	10% Owner	DTOISS	12.6M	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Population Health…	10% Owner	DTOISS	127,675	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Pinto Joshua	Director	DTOISS◆	148,953	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Pinto Joshua	Director	DTOISS◆	16,125	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Pinto Joshua	Director	AGRANT◆	2,688	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Pinto Joshua	Director	DTOISS	2,688	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Stonehouse Jon P	Director	DTOISS◆	47,730	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Stonehouse Jon P	Director	AGRANT◆	2,688	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Stonehouse Jon P	Director	DTOISS	2,688	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Visioli Christopher	Chief Financial Officer	DTOISS◆	340,465	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Visioli Christopher	Chief Financial Officer	DTOISS◆	255,349	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Visioli Christopher	Chief Financial Officer	DTOISS◆	150,000	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Visioli Christopher	Chief Financial Officer	AGRANT◆	21,250	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Visioli Christopher	Chief Financial Officer	DTOISS	21,250	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Marso Steven	Chief Medical Officer	DTOISS◆	21,279	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Marso Steven	Chief Medical Officer	DTOISS◆	829,885	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Marso Steven	Chief Medical Officer	DTOISS◆	120,000	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Marso Steven	Chief Medical Officer	AGRANT◆	17,000	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Marso Steven	Chief Medical Officer	DTOISS	17,000	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Meanwell Clive	Executive Chairman	DTOISS◆	297,907	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Meanwell Clive	Executive Chairman	DTOISS◆	32,250	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Meanwell Clive	Executive Chairman	AGRANT◆	5,375	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Meanwell Clive	Executive Chairman	DTOISS	12.8M	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Meanwell Clive	Executive Chairman	DTOISS	5,375	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Lang Matthew	Chief Legal Officer	DTOISS◆	325,000	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Lang Matthew	Chief Legal Officer	DTOISS◆	46,875	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Lang Matthew	Chief Legal Officer	AGRANT◆	12,500	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Lang Matthew	Chief Legal Officer	DTOISS	12,500	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Hubbard Brian	Chief Scientific Officer	DTOISS◆	106,395	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Hubbard Brian	Chief Scientific Officer	DTOISS◆	120,000	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Hubbard Brian	Chief Scientific Officer	DTOISS◆	319,186	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Hubbard Brian	Chief Scientific Officer	AGRANT◆	17,000	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Hubbard Brian	Chief Scientific Officer	DTOISS	17,000	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Burow Kristina	Director	DTOISS◆	148,953	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Burow Kristina	Director	DTOISS◆	16,125	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Burow Kristina	Director	AGRANT◆	2,688	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Burow Kristina	Director	DTOISS	8.3M	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Burow Kristina	Director	DTOISS	7.5M	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Burow Kristina	Director	DTOISS	18.5M	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Burow Kristina	Director	DTOISS	17.1M	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Burow Kristina	Director	DTOISS	2,688	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Bernard Christopher…	See Remarks	DTOISS◆	1.7M	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Bernard Christopher…	See Remarks	DTOISS◆	348,750	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Bernard Christopher…	See Remarks	AGRANT◆	21,250	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Bernard Christopher…	See Remarks	DTOISS	12.8M	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Bernard Christopher…	See Remarks	DTOISS	21,250	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Berns Paul L	Director	DTOISS◆	223,430	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Berns Paul L	Director	DTOISS◆	24,188	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Berns Paul L	Director	AGRANT◆	4,031	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Berns Paul L	Director	DTOISS	957,559	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Berns Paul L	Director	DTOISS	8.3M	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Berns Paul L	Director	DTOISS	7.5M	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Berns Paul L	Director	DTOISS	4,031	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	ARCH Venture Partners…	Director, 10% Owner	DTOISS	8.3M	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	ARCH Venture Partners…	Director, 10% Owner	DTOISS	18.5M	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Fmr Llc	10% Owner	JOTHER	2.2M	—	—	-100.0%	Open the original filing on SEC.gov
Nov 13, 2025	Fmr Llc	10% Owner	JOTHER	3,010	—	—	-100.0%	Open the original filing on SEC.gov
Nov 11, 2025	Validae Health, L.P.	10% Owner	JOTHER	12.8M	—	—	-100.0%	Open the original filing on SEC.gov
Nov 10, 2025	Fmr Llc	10% Owner	GGIFT	860,722	—	—	-27.8%	Open the original filing on SEC.gov
Nov 3, 2025	Fmr Llc	10% Owner	JOTHER	2.6M	—	—	+552.4%	Open the original filing on SEC.gov
Nov 3, 2025	Fmr Llc	10% Owner	JOTHER	2.4M	—	—	-100.0%	Open the original filing on SEC.gov
Nov 3, 2025	Fmr Llc	10% Owner	SSELL	193	$61.23	$11.8K	<0.1%	Open the original filing on SEC.gov
Nov 3, 2025	Fmr Llc	10% Owner	JOTHER	2.4M	—	—	—	Open the original filing on SEC.gov
Nov 3, 2025	Fmr Llc	10% Owner	JOTHER	2,115	—	—	+236.3%	Open the original filing on SEC.gov
Nov 3, 2025	Fmr Llc	10% Owner	JOTHER	47,843	—	—	-100.0%	Open the original filing on SEC.gov
Nov 3, 2025	Fmr Llc	10% Owner	JOTHER	47,843	—	—	—	Open the original filing on SEC.gov
Nov 3, 2025	Fmr Llc	10% Owner	JOTHER	3.2M	—	—	-100.0%	Open the original filing on SEC.gov
Oct 6, 2025	Fmr Llc	10% Owner	GGIFT	633,715	—	—	-57.2%	Open the original filing on SEC.gov

DTOISS—

Population Health… · 10% OwnerNov 13, 2025

12.6M sh · -100.0% own

DTOISS—

Population Health… · 10% OwnerNov 13, 2025

127,675 sh · -100.0% own

DTOISS◆—

Pinto Joshua · DirectorNov 13, 2025

148,953 sh

DTOISS◆—

Pinto Joshua · DirectorNov 13, 2025

16,125 sh

AGRANT◆—

Pinto Joshua · DirectorNov 13, 2025

2,688 sh

DTOISS—

Pinto Joshua · DirectorNov 13, 2025

2,688 sh · -100.0% own

DTOISS◆—

Stonehouse Jon P · DirectorNov 13, 2025

47,730 sh

AGRANT◆—

Stonehouse Jon P · DirectorNov 13, 2025

2,688 sh

DTOISS—

Stonehouse Jon P · DirectorNov 13, 2025

2,688 sh · -100.0% own

DTOISS◆—

Visioli Christopher · Chief Financial…Nov 13, 2025

340,465 sh

DTOISS◆—

Visioli Christopher · Chief Financial…Nov 13, 2025

255,349 sh

DTOISS◆—

Visioli Christopher · Chief Financial…Nov 13, 2025

150,000 sh

AGRANT◆—

Visioli Christopher · Chief Financial…Nov 13, 2025

21,250 sh

DTOISS—

Visioli Christopher · Chief Financial…Nov 13, 2025

21,250 sh · -100.0% own

DTOISS◆—

Marso Steven · Chief Medical…Nov 13, 2025

21,279 sh

DTOISS◆—

Marso Steven · Chief Medical…Nov 13, 2025

829,885 sh

DTOISS◆—

Marso Steven · Chief Medical…Nov 13, 2025

120,000 sh

AGRANT◆—

Marso Steven · Chief Medical…Nov 13, 2025

17,000 sh

DTOISS—

Marso Steven · Chief Medical…Nov 13, 2025

17,000 sh · -100.0% own

DTOISS◆—

Meanwell Clive · Executive ChairmanNov 13, 2025

297,907 sh

DTOISS◆—

Meanwell Clive · Executive ChairmanNov 13, 2025

32,250 sh

AGRANT◆—

Meanwell Clive · Executive ChairmanNov 13, 2025

5,375 sh

DTOISS—

Meanwell Clive · Executive ChairmanNov 13, 2025

12.8M sh · -100.0% own

DTOISS—

Meanwell Clive · Executive ChairmanNov 13, 2025

5,375 sh · -100.0% own

DTOISS◆—

Lang Matthew · Chief Legal…Nov 13, 2025

325,000 sh

DTOISS◆—

Lang Matthew · Chief Legal…Nov 13, 2025

46,875 sh

AGRANT◆—

Lang Matthew · Chief Legal…Nov 13, 2025

12,500 sh

DTOISS—

Lang Matthew · Chief Legal…Nov 13, 2025

12,500 sh · -100.0% own

DTOISS◆—

Hubbard Brian · Chief Scientific…Nov 13, 2025

106,395 sh

DTOISS◆—

Hubbard Brian · Chief Scientific…Nov 13, 2025

120,000 sh

DTOISS◆—

Hubbard Brian · Chief Scientific…Nov 13, 2025

319,186 sh

AGRANT◆—

Hubbard Brian · Chief Scientific…Nov 13, 2025

17,000 sh

DTOISS—

Hubbard Brian · Chief Scientific…Nov 13, 2025

17,000 sh · -100.0% own

DTOISS◆—

Burow Kristina · DirectorNov 13, 2025

148,953 sh

DTOISS◆—

Burow Kristina · DirectorNov 13, 2025

16,125 sh

AGRANT◆—

Burow Kristina · DirectorNov 13, 2025

2,688 sh

DTOISS—

Burow Kristina · DirectorNov 13, 2025

8.3M sh · -100.0% own

DTOISS—

Burow Kristina · DirectorNov 13, 2025

7.5M sh · -100.0% own

DTOISS—

Burow Kristina · DirectorNov 13, 2025

18.5M sh · -100.0% own

DTOISS—

Burow Kristina · DirectorNov 13, 2025

17.1M sh · -100.0% own

DTOISS—

Burow Kristina · DirectorNov 13, 2025

2,688 sh · -100.0% own

DTOISS◆—

Bernard Christopher… · See RemarksNov 13, 2025

1.7M sh

DTOISS◆—

Bernard Christopher… · See RemarksNov 13, 2025

348,750 sh

AGRANT◆—

Bernard Christopher… · See RemarksNov 13, 2025

21,250 sh

DTOISS—

Bernard Christopher… · See RemarksNov 13, 2025

12.8M sh · -100.0% own

DTOISS—

Bernard Christopher… · See RemarksNov 13, 2025

21,250 sh · -100.0% own

DTOISS◆—

Berns Paul L · DirectorNov 13, 2025

223,430 sh

DTOISS◆—

Berns Paul L · DirectorNov 13, 2025

24,188 sh

AGRANT◆—

Berns Paul L · DirectorNov 13, 2025

4,031 sh

DTOISS—

Berns Paul L · DirectorNov 13, 2025

957,559 sh · -100.0% own

DTOISS—

Berns Paul L · DirectorNov 13, 2025

8.3M sh · -100.0% own

DTOISS—

Berns Paul L · DirectorNov 13, 2025

7.5M sh · -100.0% own

DTOISS—

Berns Paul L · DirectorNov 13, 2025

4,031 sh · -100.0% own

DTOISS—

ARCH Venture Partners… · Director, 10%…Nov 13, 2025

8.3M sh · -100.0% own

DTOISS—

ARCH Venture Partners… · Director, 10%…Nov 13, 2025

18.5M sh · -100.0% own

JOTHER—

Fmr Llc · 10% OwnerNov 13, 2025

2.2M sh · -100.0% own

JOTHER—

Fmr Llc · 10% OwnerNov 13, 2025

3,010 sh · -100.0% own

JOTHER—

Validae Health, L.P. · 10% OwnerNov 11, 2025

12.8M sh · -100.0% own

GGIFT—

Fmr Llc · 10% OwnerNov 10, 2025

860,722 sh · -27.8% own

JOTHER—