Metsera, Inc. (MTSR) has 10 known insider and institutional holders on record. The largest holder is Bernard Christopher Whitten with 348,750 shares. Other notable holders include Visioli Christopher and Hubbard Brian.
Over the last 12 months, insiders have made 13 transactions in MTSR stock — 10 buys (valued at $26.52M) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
MTSR Insider Ownership
Top Holder
Bernard Christopher Whitten
348,750 shares
Buys (12 mo)
10
$26.52M value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Bernard Christopher Whitten |
President and CEO |
348,750 |
2025-05-22 |
|
| 2 |
Visioli Christopher |
Chief Financial Officer |
150,000 |
2025-05-22 |
|
| 3 |
Hubbard Brian |
Chief Scientific Officer |
120,000 |
2025-05-22 |
|
| 4 |
Marso Steven |
Chief Medical Officer |
120,000 |
2025-05-22 |
|
| 5 |
Stonehouse Jon P |
Director |
47,730 |
2025-04-30 |
|
| 6 |
Lang Matthew |
Chief Legal Officer |
46,875 |
2025-05-22 |
|
| 7 |
Meanwell Clive |
Executive Chairman |
32,250 |
2025-05-22 |
|
| 8 |
Berns Paul L |
Director |
24,188 |
2025-05-22 |
|
| 9 |
Pinto Joshua |
Director |
16,125 |
2025-05-22 |
|
| 10 |
Burow Kristina |
Director |
16,125 |
2025-05-22 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2025-05-20 |
Hubbard Brian |
Chief Scientific Officer |
RSU Award |
120,000 |
$29.25 |
$3.51M |
| 2025-05-20 |
Bernard Christopher Whitten |
President and CEO |
RSU Award |
348,750 |
$29.25 |
$10.2M |
| 2025-05-20 |
Marso Steven |
Chief Medical Officer |
RSU Award |
120,000 |
$29.25 |
$3.51M |
| 2025-05-22 |
Pinto Joshua |
Director |
Gift (Given) |
148,953 |
$4.33 |
$644.97K |
| 2025-05-20 |
Pinto Joshua |
Director |
RSU Award |
16,125 |
$29.25 |
$471.66K |
| 2025-05-20 |
Visioli Christopher |
Chief Financial Officer |
RSU Award |
150,000 |
$29.25 |
$4.39M |
| 2025-05-20 |
Lang Matthew |
Chief Legal Officer |
RSU Award |
46,875 |
$29.25 |
$1.37M |
| 2025-05-20 |
Burow Kristina |
Director |
RSU Award |
16,125 |
$29.25 |
$471.66K |
| 2025-05-20 |
Meanwell Clive |
Executive Chairman |
RSU Award |
32,250 |
$29.25 |
$943.31K |
| 2025-05-20 |
Berns Paul L |
Director |
RSU Award |
24,188 |
$29.25 |
$707.5K |
| 2025-04-28 |
Lang Matthew |
Chief Legal Officer |
Unknown |
325,000 |
$17.16 |
$5.58M |
| 2025-04-28 |
Stonehouse Jon P |
Director |
RSU Award |
47,730 |
$19.81 |
$945.53K |
| 2025-04-28 |
Stonehouse Jon P |
Officer |
Unknown |
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