Home/Filings/4/0000950170-25-012579

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CRANDELL KEITH 4

Accession 0000950170-25-012579

CIK 0002040807other

View on SEC.gov Company Profile

Filed

Feb 2, 7:00 PM ET

Accepted

Feb 3, 7:01 PM ET

Size

36.2 KB

Accession

0000950170-25-012579

Insider Transaction Report

Form 4

Period: 2025-02-03

Metsera, Inc.MTSR

ARCH Venture Partners XII, LLC

Director10% Owner

Transactions

Conversion
Series Seed Preferred Stock
2025-02-03−19,933,333→ 0 total(indirect: See Footnote)
→ Common Stock (8,483,268 underlying)
Conversion
Common Stock
2025-02-03+7,523,682→ 7,523,682 total(indirect: See Footnote)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,730 underlying)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Conversion
Common Stock
2025-02-03+16,006,949→ 17,070,904 total(indirect: See Footnote)
Purchase
Common Stock
2025-02-03$18.00/sh+789,998$14,219,964→ 8,313,680 total(indirect: See Footnote)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,731 underlying)
Purchase
Common Stock
2025-02-03$18.00/sh+1,432,224$25,780,032→ 18,503,128 total(indirect: See Footnote)

ARCH Venture Fund XII, L.P.

Director10% Owner

Transactions

Conversion
Common Stock
2025-02-03+16,006,949→ 17,070,904 total(indirect: See Footnote)
Purchase
Common Stock
2025-02-03$18.00/sh+789,998$14,219,964→ 8,313,680 total(indirect: See Footnote)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Conversion
Common Stock
2025-02-03+7,523,682→ 7,523,682 total(indirect: See Footnote)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,730 underlying)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,731 underlying)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Conversion
Series Seed Preferred Stock
2025-02-03−19,933,333→ 0 total(indirect: See Footnote)
→ Common Stock (8,483,268 underlying)
Purchase
Common Stock
2025-02-03$18.00/sh+1,432,224$25,780,032→ 18,503,128 total(indirect: See Footnote)

ARCH Venture Partners XII, L.P.

Director10% Owner

Transactions

Conversion
Common Stock
2025-02-03+7,523,682→ 7,523,682 total(indirect: See Footnote)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,731 underlying)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Purchase
Common Stock
2025-02-03$18.00/sh+789,998$14,219,964→ 8,313,680 total(indirect: See Footnote)
Conversion
Common Stock
2025-02-03+16,006,949→ 17,070,904 total(indirect: See Footnote)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,730 underlying)
Purchase
Common Stock
2025-02-03$18.00/sh+1,432,224$25,780,032→ 18,503,128 total(indirect: See Footnote)
Conversion
Series Seed Preferred Stock
2025-02-03−19,933,333→ 0 total(indirect: See Footnote)
→ Common Stock (8,483,268 underlying)

ARCH Venture Fund XIII, L.P.

Director10% Owner

Transactions

Conversion
Common Stock
2025-02-03+16,006,949→ 17,070,904 total(indirect: See Footnote)
Conversion
Common Stock
2025-02-03+7,523,682→ 7,523,682 total(indirect: See Footnote)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,730 underlying)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,731 underlying)
Purchase
Common Stock
2025-02-03$18.00/sh+1,432,224$25,780,032→ 18,503,128 total(indirect: See Footnote)
Purchase
Common Stock
2025-02-03$18.00/sh+789,998$14,219,964→ 8,313,680 total(indirect: See Footnote)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Conversion
Series Seed Preferred Stock
2025-02-03−19,933,333→ 0 total(indirect: See Footnote)
→ Common Stock (8,483,268 underlying)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)

ARCH Venture Partners XIII, L.P.

Director10% Owner

Transactions

Purchase
Common Stock
2025-02-03$18.00/sh+1,432,224$25,780,032→ 18,503,128 total(indirect: See Footnote)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,730 underlying)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Conversion
Common Stock
2025-02-03+16,006,949→ 17,070,904 total(indirect: See Footnote)
Purchase
Common Stock
2025-02-03$18.00/sh+789,998$14,219,964→ 8,313,680 total(indirect: See Footnote)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,731 underlying)
Conversion
Common Stock
2025-02-03+7,523,682→ 7,523,682 total(indirect: See Footnote)
Conversion
Series Seed Preferred Stock
2025-02-03−19,933,333→ 0 total(indirect: See Footnote)
→ Common Stock (8,483,268 underlying)

ARCH Venture Partners XIII, LLC

Director10% Owner

Transactions

Conversion
Series Seed Preferred Stock
2025-02-03−19,933,333→ 0 total(indirect: See Footnote)
→ Common Stock (8,483,268 underlying)
Conversion
Common Stock
2025-02-03+7,523,682→ 7,523,682 total(indirect: See Footnote)
Purchase
Common Stock
2025-02-03$18.00/sh+1,432,224$25,780,032→ 18,503,128 total(indirect: See Footnote)
Purchase
Common Stock
2025-02-03$18.00/sh+789,998$14,219,964→ 8,313,680 total(indirect: See Footnote)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,731 underlying)
Conversion
Common Stock
2025-02-03+16,006,949→ 17,070,904 total(indirect: See Footnote)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,730 underlying)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)

CRANDELL KEITH

Director10% Owner

Transactions

Conversion
Series Seed Preferred Stock
2025-02-03−19,933,333→ 0 total(indirect: See Footnote)
→ Common Stock (8,483,268 underlying)
Conversion
Common Stock
2025-02-03+16,006,949→ 17,070,904 total(indirect: See Footnote)
Conversion
Common Stock
2025-02-03+7,523,682→ 7,523,682 total(indirect: See Footnote)
Purchase
Common Stock
2025-02-03$18.00/sh+1,432,224$25,780,032→ 18,503,128 total(indirect: See Footnote)
Purchase
Common Stock
2025-02-03$18.00/sh+789,998$14,219,964→ 8,313,680 total(indirect: See Footnote)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,730 underlying)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,731 underlying)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)

GILLIS STEVEN

Director10% Owner

Transactions

Conversion
Common Stock
2025-02-03+16,006,949→ 17,070,904 total(indirect: See Footnote)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Conversion
Series Seed Preferred Stock
2025-02-03−19,933,333→ 0 total(indirect: See Footnote)
→ Common Stock (8,483,268 underlying)
Conversion
Common Stock
2025-02-03+7,523,682→ 7,523,682 total(indirect: See Footnote)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,730 underlying)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,731 underlying)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Purchase
Common Stock
2025-02-03$18.00/sh+1,432,224$25,780,032→ 18,503,128 total(indirect: See Footnote)
Purchase
Common Stock
2025-02-03$18.00/sh+789,998$14,219,964→ 8,313,680 total(indirect: See Footnote)

NELSEN ROBERT

Director10% Owner

Transactions

Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Conversion
Common Stock
2025-02-03+16,006,949→ 17,070,904 total(indirect: See Footnote)
Purchase
Common Stock
2025-02-03$18.00/sh+1,432,224$25,780,032→ 18,503,128 total(indirect: See Footnote)
Conversion
Series Seed Preferred Stock
2025-02-03−19,933,333→ 0 total(indirect: See Footnote)
→ Common Stock (8,483,268 underlying)
Conversion
Series B Convertible Preferred Stock
2025-02-03−2,678,571→ 0 total(indirect: See Footnote)
→ Common Stock (1,139,951 underlying)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,731 underlying)
Conversion
Common Stock
2025-02-03+7,523,682→ 7,523,682 total(indirect: See Footnote)
Purchase
Common Stock
2025-02-03$18.00/sh+789,998$14,219,964→ 8,313,680 total(indirect: See Footnote)
Conversion
Series A Convertible Preferred Stock
2025-02-03−15,000,000→ 0 total(indirect: See Footnote)
→ Common Stock (6,383,730 underlying)

Footnotes (4)

[F1]The shares of Issuer's preferred stock have no expiration date and are convertible at the holder's election into Issuer's common stock at a conversion ratio of 1-for-2.349723. The preferred stock automatically converted into shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering.
[F2]Represents shares held directly by ARCH Venture Fund XII, L.P ("ARCH Venture Fund XII"). ARCH Venture Partners XII, L.P. ("AVP XII LP"), as the sole general partner of ARCH Venture Fund XII, may be deemed to beneficially own the shares held by ARCH Venture Fund XII. ARCH Venture Partners XII, LLC ("AVP XII LLC"), as the sole general partner of AVP XII LP, may be deemed to beneficially own the shares held by ARCH Venture Fund XII. AVP XII LP and AVP XII LLC disclaim beneficial ownership except to the extent of any pecuniary interest therein. As members of the investment committee of AVP XII LLC, each of Kristina M. Burow, Keith Crandell, Steven Gillis and Robert Nelsen (the "AVP XII Committee Members") may also be deemed to share the power to direct the disposition and vote of the ARCH Venture Fund XII shares. Each AVP XII Committee Member disclaims beneficial ownership except to the extent of any pecuniary interest therein.
[F3]Represents shares held directly by ARCH Venture Fund XIII, L.P.("ARCH Venture Fund XIII"). ARCH Venture Partners XIII, L.P. ("AVP XIII LP"), as the sole general partner of ARCH Venture Fund XIII, may be deemed to beneficially own the shares held by ARCH Venture Fund XIII. ARCH Venture Partners XIII, LLC ("AVP XIII LLC"), as the sole general partner of AVP XIII LP, may be deemed to beneficially own the shares held by ARCH Venture Fund XIII. AVP XIII LP and AVP XIII LLC disclaim beneficial ownership except to the extent of any pecuniary interest therein. As members of the investment committee of AVP XIII LLC, each of Paul L. Berns, Kristina M. Burow, Keith Crandell, Steven Gillis and Robert Nelsen (the "AVP XIII Committee Members") may also be deemed to share the power to direct the disposition and vote of the ARCH Venture Fund XIII shares. Each AVP XIII Committee Member disclaims beneficial ownership except to the extent of any pecuniary interest therein.
[F4](Continued from footnote 3) Each of Kristina Burow and Paul Berns has filed a separate Form 4.

Documents

1 file

4
ownership.xmlPrimary
4

Issuer

Metsera, Inc.

CIK 0002040807

→

Entity typeother

Related Parties

filerCIK 0001219039

Filing Metadata

Form type: 4
Filed: Feb 2, 7:00 PM ET
Accepted: Feb 3, 7:01 PM ET
Size: 36.2 KB

View on SEC.gov