Metsera, Inc. (MTSR)

Latest Insider Confidence Score

2025Q4

50.7
Bullish

Company insider confidence (by quarter)

2025Q1 2025Q4

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Validae Health, L.P. — 12,767,462 Jan 30, 2025
Population Health Partners GP, LLC — 12,767,462 Jan 30, 2025
Wellington Biomedical Innovation Master Investors (Cayman) II L.P. — 1,857,699 Feb 3, 2025
Bernard Christopher Whitten — 1,702,328 Nov 13, 2025
Nelsen Robert 10% Owner 1,139,951 Feb 3, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Nov 13, 2025 Nov 17, 2025 FMR LLC 10% Owner Neutral 47.5 -2,233,460 -100.00% ✗ -
Nov 13, 2025 Nov 14, 2025 ARCH Venture Partners XII, LLC Director Neutral 47.5 -26,816,808 -100.00% ✗ -
Nov 13, 2025 Nov 13, 2025 Marso Steven CHIEF MEDICAL OFFICER Neutral 47.5 -17,000 -100.00% ✗ -
Nov 13, 2025 Nov 13, 2025 BERNS PAUL L Director Neutral 47.5 -16,798,952 -100.00% ✗ -
Nov 13, 2025 Nov 13, 2025 Lang Matthew CHIEF LEGAL OFFICER Neutral 47.5 -12,500 -100.00% ✗ -
Nov 13, 2025 Nov 13, 2025 Population Health Partners GP, LLC 10% Owner Neutral 47.5 -12,767,462 -100.00% ✗ -
Nov 13, 2025 Nov 13, 2025 Burow Kristina Director Neutral 47.5 -51,414,082 -100.00% ✗ -
Nov 11, 2025 Nov 13, 2025 Validae Health, L.P. 10% Owner Neutral 27.5 -12,767,462 -100.00% ✗ -
Nov 13, 2025 Nov 13, 2025 Pinto Joshua Director Neutral 47.5 -2,688 -100.00% ✗ -
Nov 13, 2025 Nov 13, 2025 Stonehouse Jon P Director Neutral 47.5 -2,688 -100.00% ✗ -
Nov 13, 2025 Nov 13, 2025 Hubbard Brian CHIEF SCIENTIFIC OFFICER Neutral 47.5 -17,000 -100.00% ✗ -
Nov 13, 2025 Nov 13, 2025 Visioli Christopher CFO Neutral 47.5 -21,250 -100.00% ✗ -
Nov 13, 2025 Nov 13, 2025 MEANWELL CLIVE Chair Neutral 47.5 -12,772,837 -100.00% ✗ -
Nov 13, 2025 Nov 13, 2025 Bernard Christopher Whitten Officer Neutral 47.5 -12,788,712 -100.00% ✗ -
Nov 10, 2025 Nov 12, 2025 FMR LLC 10% Owner Neutral 27.5 -860,722 -27.82% ✗ -
Nov 3, 2025 Nov 5, 2025 FMR LLC 10% Owner Sell 26.3 -570,085 -15.56% ✗ $11.8K
Oct 6, 2025 Oct 8, 2025 FMR LLC 10% Owner Neutral 27.5 -633,715 -14.74% ✗ -
Sep 2, 2025 Sep 12, 2025 FMR LLC 10% Owner Neutral 90.0 +1,107,547 100.00% ✗ -
Sep 2, 2025 Sep 4, 2025 FMR LLC 10% Owner Sell 27.5 -214,847 -4.73% ✗ $9.6K
May 20, 2025 May 22, 2025 Pinto Joshua Director Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 MEANWELL CLIVE Chair Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 Burow Kristina Director Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 Visioli Christopher CFO Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 Lang Matthew Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 Bernard Christopher Whitten CEO Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 BERNS PAUL L Director Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 Hubbard Brian Chief Scientific Officer Neutral 52.5 - 0.00% ✗ -
May 20, 2025 May 22, 2025 Marso Steven Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Apr 28, 2025 Apr 30, 2025 Stonehouse Jon P Director Neutral 52.5 - 0.00% ✗ -
Apr 30, 2025 Lang Matthew Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Apr 30, 2025 Stonehouse Jon P Director Neutral 52.5 - 0.00% ✗ -
Feb 3, 2025 Feb 5, 2025 FMR LLC 10% Owner Neutral 52.5 - 0.00% ✗ -
Feb 3, 2025 Feb 3, 2025 Burow Kristina Director Buy 97.5 +2,222,222 9.04% ✗ $40M
Feb 3, 2025 Feb 3, 2025 BERNS PAUL L Director Buy 97.5 +789,998 9.31% ✗ $14.2M
Feb 3, 2025 Feb 3, 2025 ARCH Venture Partners XII, LLC 10% Owner Buy 97.5 +2,222,222 9.04% ✗ $40M
Jan 30, 2025 Feb 3, 2025 Wellington Biomedical Innovation Master Investors (Cayman) II L.P. 10% Owner Neutral 52.5 - 0.00% ✗ -
Jan 30, 2025 Burow Kristina Director Neutral 52.5 - 0.00% ✗ -
Jan 30, 2025 Marso Steven Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 30, 2025 BERNS PAUL L Director Neutral 52.5 - 0.00% ✗ -
Jan 30, 2025 Validae Health, L.P. 10% Owner Neutral 52.5 - 0.00% ✗ -
Jan 30, 2025 Visioli Christopher CFO Neutral 52.5 - 0.00% ✗ -
Jan 30, 2025 Hubbard Brian Chief Scientific Officer Neutral 52.5 - 0.00% ✗ -
Jan 30, 2025 MEANWELL CLIVE Chair Neutral 52.5 - 0.00% ✗ -
Jan 30, 2025 Bernard Christopher Whitten Officer Neutral 52.5 - 0.00% ✗ -
Jan 30, 2025 Pinto Joshua Director Neutral 52.5 - 0.00% ✗ -
Jan 30, 2025 ARCH Venture Partners XII, LLC 10% Owner Neutral 52.5 - 0.00% ✗ -
Jan 30, 2025 Wellington Biomedical Innovation Master Investors (Cayman) II L.P. 10% Owner Neutral 52.5 - 0.00% ✗ -
Jan 30, 2025 FMR LLC 10% Owner Neutral 52.5 - 0.00% ✗ -