MTSR
insider transactionsMetsera, Inc. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Net shares · 365d
-461
0 buy · 461 sell
Net value · 365d
-$21.5K
$0 in · $21.5K out
Sentiment · 365d
Net selling
0% buying · 100% selling
Open-market trades · 365d
2
0 buy · 461 sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Other·D
Director
—
149.0K sh
Own -100%
-
Grant·A
Director
—
2.7K sh
Own New
-
Other·D
Director
—
16.1K sh
Own -100%
-
Other·D
Director
—
2.7K sh
Own -100%
-
Other·D
CHIEF FINANCIAL OFFICER
—
255.3K sh
Own -100%
-
Other·D
CHIEF FINANCIAL OFFICER
—
340.5K sh
Own -100%
-
Other·D
CHIEF FINANCIAL OFFICER
—
150.0K sh
Own -100%
-
Grant·A
CHIEF FINANCIAL OFFICER
—
21.2K sh
Own New
-
Other·D
CHIEF FINANCIAL OFFICER
—
21.2K sh
Own -100%
-
Other·D
CHIEF LEGAL OFFICER
—
46.9K sh
Own -100%
-
Grant·A
CHIEF LEGAL OFFICER
—
12.5K sh
Own New
-
Other·D
CHIEF LEGAL OFFICER
—
325.0K sh
Own -100%
-
Other·D
CHIEF LEGAL OFFICER
—
12.5K sh
Own -100%
-
Other·D
Population Health Partners GP, LLC
TenPercentOwner
—
127.7K sh
Own -100%
-
Other·D
Population Health Partners GP, LLC
TenPercentOwner
—
12.6M sh
Own -100%
-
Other·D
CHIEF SCIENTIFIC OFFICER
—
319.2K sh
Own -100%
-
Grant·A
CHIEF SCIENTIFIC OFFICER
—
17.0K sh
Own New
-
Other·D
CHIEF SCIENTIFIC OFFICER
—
120.0K sh
Own -100%
-
Other·D
CHIEF SCIENTIFIC OFFICER
—
106.4K sh
Own -100%
-
Other·D
CHIEF SCIENTIFIC OFFICER
—
17.0K sh
Own -100%
-
Grant·A
CHIEF MEDICAL OFFICER
—
17.0K sh
Own New
-
Other·D
CHIEF MEDICAL OFFICER
—
829.9K sh
Own -100%
-
Other·D
CHIEF MEDICAL OFFICER
—
21.3K sh
Own -100%
-
Other·D
CHIEF MEDICAL OFFICER
—
120.0K sh
Own -100%
-
Other·D
CHIEF MEDICAL OFFICER
—
17.0K sh
Own -100%
-
Other·D
Director
—
47.7K sh
Own -100%
-
Grant·A
Director
—
2.7K sh
Own New
-
Other·D
Director
—
2.7K sh
Own -100%
-
Other·D
Director
—
149.0K sh
Own -100%
-
Grant·A
Director
—
2.7K sh
Own New
-
Other·D
Director
—
16.1K sh
Own -100%
-
Other·D
Director
—
2.7K sh
Own -100%
-
Other·D
Director
—
17.1M sh
Own -100%
-
Other·D
Director
—
8.3M sh
Own -100%
-
Other·D
Director
—
7.5M sh
Own -100%
-
Other·D
Director
—
18.5M sh
Own -100%
-
Grant·A
Director
—
4.0K sh
Own New
-
Other·D
Director
—
24.2K sh
Own -100%
-
Other·D
Director
—
223.4K sh
Own -100%
-
Other·D
Director
—
8.3M sh
Own -100%
-
Other·D
Director
—
4.0K sh
Own -100%
-
Other·D
Director
—
7.5M sh
Own -100%
-
Other·D
Director
—
957.6K sh
Own -100%
-
Other·D
See Remarks
—
1.7M sh
Own -100%
-
Other·D
See Remarks
—
348.8K sh
Own -100%
-
Grant·A
See Remarks
—
21.2K sh
Own New
-
Other·D
See Remarks
—
21.2K sh
Own -100%
-
Other·D
See Remarks
—
12.8M sh
Own -100%
-
Other·D
MEANWELL CLIVE KEY
EXECUTIVE CHAIRMAN
—
297.9K sh
Own -100%
-
Grant·A
MEANWELL CLIVE KEY
EXECUTIVE CHAIRMAN
—
5.4K sh
Own New
-
Other·D
MEANWELL CLIVE KEY
EXECUTIVE CHAIRMAN
—
32.2K sh
Own -100%
-
Other·D
MEANWELL CLIVE KEY
EXECUTIVE CHAIRMAN
—
5.4K sh
Own -100%
-
Other·D
MEANWELL CLIVE KEY
EXECUTIVE CHAIRMAN
—
12.8M sh
Own -100%
-
Other·D
ARCH Venture Partners XII, LLC
Director,TenPercentOwner
—
18.5M sh
Own -100%
-
Other·D
ARCH Venture Partners XII, LLC
Director,TenPercentOwner
—
8.3M sh
Own -100%
-
Other·J
TenPercentOwner,Other
—
2.2M sh
-
Other·J
TenPercentOwner,Other
—
3.0K sh
-
Other·J
TenPercentOwner
$0
12.8M sh
-
Other·G
TenPercentOwner,Other
$0
860.7K sh
Own -28%
-
Other·J
TenPercentOwner,Other
$0
2.4M sh
-
Other·J
TenPercentOwner,Other
$0
2.1K sh
-
Other·J
TenPercentOwner,Other
$0
47.8K sh
-
Other·J
TenPercentOwner,Other
$0
2.4M sh
-
Other·J
TenPercentOwner,Other
$0
3.2M sh
-
Other·J
TenPercentOwner,Other
$0
2.6M sh
-
Sell·S
TenPercentOwner,Other
$11.8K
193 sh · $61.23
Own -0%
-
Other·J
TenPercentOwner,Other
$0
47.8K sh
-
Other·G
TenPercentOwner,Other
$0
633.7K sh
Own -57%
-
Sell·S
TenPercentOwner,Other
$9.6K
268 sh · $36.00
Own -100%
-
Other·J
TenPercentOwner,Other
$0
1.4M sh
-
Other·J
TenPercentOwner,Other
$0
997.0K sh
-
Other·J
TenPercentOwner,Other
$0
1.1M sh
-
Other·J
TenPercentOwner,Other
$0
20.2K sh
-
Other·J
TenPercentOwner,Other
$0
20.2K sh
-
Other·J
TenPercentOwner,Other
$0
895 sh
-
Other·J
TenPercentOwner,Other
$0
997.3K sh
-
Other·J
TenPercentOwner,Other
$0
1.1M sh
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Nov 13, 2025 | Pinto Joshua | Other D | 149.0K | — |
| Nov 13, 2025 | Pinto Joshua | Grant A | 2.7K | — |
| Nov 13, 2025 | Pinto Joshua | Other D | 16.1K | — |
| Nov 13, 2025 | Pinto Joshua | Other D | 2.7K | — |
| Nov 13, 2025 | Visioli Christopher KEY | Other D | 255.3K | — |
| Nov 13, 2025 | Visioli Christopher KEY | Other D | 340.5K | — |
| Nov 13, 2025 | Visioli Christopher KEY | Other D | 150.0K | — |
| Nov 13, 2025 | Visioli Christopher KEY | Grant A | 21.2K | — |
| Nov 13, 2025 | Visioli Christopher KEY | Other D | 21.2K | — |
| Nov 13, 2025 | Lang Matthew | Other D | 46.9K | — |
| Nov 13, 2025 | Lang Matthew | Grant A | 12.5K | — |
| Nov 13, 2025 | Lang Matthew | Other D | 325.0K | — |
| Nov 13, 2025 | Lang Matthew | Other D | 12.5K | — |
| Nov 13, 2025 | Population Health Partners GP, LLC | Other D | 127.7K | — |
| Nov 13, 2025 | Population Health Partners GP, LLC | Other D | 12.6M | — |
| Nov 13, 2025 | Hubbard Brian | Other D | 319.2K | — |
| Nov 13, 2025 | Hubbard Brian | Grant A | 17.0K | — |
| Nov 13, 2025 | Hubbard Brian | Other D | 120.0K | — |
| Nov 13, 2025 | Hubbard Brian | Other D | 106.4K | — |
| Nov 13, 2025 | Hubbard Brian | Other D | 17.0K | — |
| Nov 13, 2025 | Marso Steven | Grant A | 17.0K | — |
| Nov 13, 2025 | Marso Steven | Other D | 829.9K | — |
| Nov 13, 2025 | Marso Steven | Other D | 21.3K | — |
| Nov 13, 2025 | Marso Steven | Other D | 120.0K | — |
| Nov 13, 2025 | Marso Steven | Other D | 17.0K | — |
| Nov 13, 2025 | Stonehouse Jon P | Other D | 47.7K | — |
| Nov 13, 2025 | Stonehouse Jon P | Grant A | 2.7K | — |
| Nov 13, 2025 | Stonehouse Jon P | Other D | 2.7K | — |
| Nov 13, 2025 | Burow Kristina | Other D | 149.0K | — |
| Nov 13, 2025 | Burow Kristina | Grant A | 2.7K | — |
| Nov 13, 2025 | Burow Kristina | Other D | 16.1K | — |
| Nov 13, 2025 | Burow Kristina | Other D | 2.7K | — |
| Nov 13, 2025 | Burow Kristina | Other D | 17.1M | — |
| Nov 13, 2025 | Burow Kristina | Other D | 8.3M | — |
| Nov 13, 2025 | Burow Kristina | Other D | 7.5M | — |
| Nov 13, 2025 | Burow Kristina | Other D | 18.5M | — |
| Nov 13, 2025 | BERNS PAUL L | Grant A | 4.0K | — |
| Nov 13, 2025 | BERNS PAUL L | Other D | 24.2K | — |
| Nov 13, 2025 | BERNS PAUL L | Other D | 223.4K | — |
| Nov 13, 2025 | BERNS PAUL L | Other D | 8.3M | — |
| Nov 13, 2025 | BERNS PAUL L | Other D | 4.0K | — |
| Nov 13, 2025 | BERNS PAUL L | Other D | 7.5M | — |
| Nov 13, 2025 | BERNS PAUL L | Other D | 957.6K | — |
| Nov 13, 2025 | Bernard Christopher Whitten | Other D | 1.7M | — |
| Nov 13, 2025 | Bernard Christopher Whitten | Other D | 348.8K | — |
| Nov 13, 2025 | Bernard Christopher Whitten | Grant A | 21.2K | — |
| Nov 13, 2025 | Bernard Christopher Whitten | Other D | 21.2K | — |
| Nov 13, 2025 | Bernard Christopher Whitten | Other D | 12.8M | — |
| Nov 13, 2025 | MEANWELL CLIVE KEY | Other D | 297.9K | — |
| Nov 13, 2025 | MEANWELL CLIVE KEY | Grant A | 5.4K | — |
| Nov 13, 2025 | MEANWELL CLIVE KEY | Other D | 32.2K | — |
| Nov 13, 2025 | MEANWELL CLIVE KEY | Other D | 5.4K | — |
| Nov 13, 2025 | MEANWELL CLIVE KEY | Other D | 12.8M | — |
| Nov 13, 2025 | ARCH Venture Partners XII, LLC | Other D | 18.5M | — |
| Nov 13, 2025 | ARCH Venture Partners XII, LLC | Other D | 8.3M | — |
| Nov 13, 2025 | FMR LLC | Other J | 2.2M | — |
| Nov 13, 2025 | FMR LLC | Other J | 3.0K | — |
| Nov 11, 2025 | Validae Health, L.P. | Other J | 12.8M | $0 |
| Nov 10, 2025 | FMR LLC | Other G | 860.7K | $0 |
| Nov 3, 2025 | FMR LLC | Other J | 2.4M | $0 |
| Nov 3, 2025 | FMR LLC | Other J | 2.1K | $0 |
| Nov 3, 2025 | FMR LLC | Other J | 47.8K | $0 |
| Nov 3, 2025 | FMR LLC | Other J | 2.4M | $0 |
| Nov 3, 2025 | FMR LLC | Other J | 3.2M | $0 |
| Nov 3, 2025 | FMR LLC | Other J | 2.6M | $0 |
| Nov 3, 2025 | FMR LLC | Sell S | 193 | $11.8K |
| Nov 3, 2025 | FMR LLC | Other J | 47.8K | $0 |
| Oct 6, 2025 | FMR LLC | Other G | 633.7K | $0 |
| Sep 2, 2025 | FMR LLC | Sell S | 268 | $9.6K |
| Sep 2, 2025 | FMR LLC | Other J | 1.4M | $0 |
| Sep 2, 2025 | FMR LLC | Other J | 997.0K | $0 |
| Sep 2, 2025 | FMR LLC | Other J | 1.1M | $0 |
| Sep 2, 2025 | FMR LLC | Other J | 20.2K | $0 |
| Sep 2, 2025 | FMR LLC | Other J | 20.2K | $0 |
| Sep 2, 2025 | FMR LLC | Other J | 895 | $0 |
| Sep 2, 2025 | FMR LLC | Other J | 997.3K | $0 |
| Sep 2, 2025 | FMR LLC | Other J | 1.1M | $0 |
About MTSR insider trading
This page tracks insider transactions for Metsera, Inc. (MTSR) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.