Home/Filings/4/0001209191-19-009469

4//SEC Filing

ARCH Venture Partners IX, LLC 4

Accession 0001209191-19-009469

CIK 0001728117other

View on SEC.gov Company Profile

Filed

Feb 11, 7:00 PM ET

Accepted

Feb 12, 5:54 PM ET

Size

32.8 KB

Accession

0001209191-19-009469

Insider Transaction Report

Form 4

Period: 2019-02-12

Gossamer Bio, Inc.GOSS

ARCH Venture Partners IX, LLC

10% Owner

Transactions

Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)
Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Series A Preferred Stock
2019-02-12−16,571,429→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)
Conversion
Series A Preferred Stock
2019-02-12−16,571,428→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)

ARCH Venture Fund IX Overage, L.P.

10% Owner

Transactions

Conversion
Series A Preferred Stock
2019-02-12−16,571,429→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)
Conversion
Series A Preferred Stock
2019-02-12−16,571,428→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)
Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)

ARCH Venture Partners IX Overage, L.P.

10% Owner

Transactions

Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Series A Preferred Stock
2019-02-12−16,571,429→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)
Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)
Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Series A Preferred Stock
2019-02-12−16,571,428→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)

ARCH Venture Fund IX, L.P.

10% Owner

Transactions

Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Series A Preferred Stock
2019-02-12−16,571,428→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)
Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)
Conversion
Series A Preferred Stock
2019-02-12−16,571,429→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)

ARCH Venture Partners IX, L.P.

10% Owner

Transactions

Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Series A Preferred Stock
2019-02-12−16,571,428→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)
Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Series A Preferred Stock
2019-02-12−16,571,429→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)

NELSEN ROBERT

10% Owner

Transactions

Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Series A Preferred Stock
2019-02-12−16,571,429→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)
Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Series A Preferred Stock
2019-02-12−16,571,428→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)

CRANDELL KEITH

10% Owner

Transactions

Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Series A Preferred Stock
2019-02-12−16,571,429→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)
Conversion
Series A Preferred Stock
2019-02-12−16,571,428→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)

BYBEE CLINTON

10% Owner

Transactions

Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+3,682,539→ 3,682,539 total(indirect: See footnotes)
Conversion
Common Stock
2019-02-12+345,419→ 4,027,958 total(indirect: See footnotes)
Conversion
Series A Preferred Stock
2019-02-12−16,571,429→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)
Conversion
Series A Preferred Stock
2019-02-12−16,571,428→ 0 total(indirect: See footnotes)
→ Common Stock (3,682,539 underlying)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)
Conversion
Series B Preferred Stock
2019-02-12−1,554,388→ 0 total(indirect: See footnotes)
→ Common Stock (345,419 underlying)

Footnotes (4)

[F1]The shares of the Issuer's Series A Preferred Stock and Series B Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at a ratio of 4.5 to one share, immediately prior to the consummation of the Issuer's initial public offering. The Series A Preferred Stock and Series B Preferred Stock had no expiration date.
[F2]These shares are directly held by ARCH Venture Fund IX, L.P. ("ARCH IX"). ARCH Venture Partners IX, L.P. ("GPLP"), as the sole general partner of ARCH IX, may be deemed to beneficially own the shares held by ARCH IX. ARCH Venture Partners IX, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. As managing directors of GPLLC, each of Keith Crandell, Clinton Bybee and Robert Nelsen (the "ARCH Managing Directors"), may be deemed to beneficially own the shares held by GPLLC.
[F3]Each of GPLP, ARCH Venture Partners IX Overage, L.P. ("Overage GPLP"), GPLLC and the ARCH Managing Directors disclaims beneficial ownership of the securities reported herein, except to the extent of their pecuniary interest therein, if any.
[F4]These shares are directly held by ARCH Venture Fund IX Overage, L.P. ("ARCH Overage"). Overage GPLP, as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. GPLLC, as the sole general partner of Overage GPLP, may be deemed to beneficially own the shares held by Overage GPLP. As managing directors of GPLLC, each of the ARCH Managing Directors may be deemed to beneficially own the shares held by GPLLC.

Documents

1 file

4
doc4.xmlPrimary
FORM 4 SUBMISSION

Issuer

Gossamer Bio, Inc.

CIK 0001728117

→

Entity typeother

IncorporatedDE

Related Parties

filerCIK 0001723174

Filing Metadata

Form type: 4
Filed: Feb 11, 7:00 PM ET
Accepted: Feb 12, 5:54 PM ET
Size: 32.8 KB

View on SEC.gov