Investor Frazier Life Sciences VIII, L.P.
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Frazier Life Sciences VIII, L.P. . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Date Form Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2025-08-20 13D/A ARQT / Arcutis Biotherapeutics, Inc. 8,862,478 8,943,712
2024-05-21 13D/A ALPN / Alpine Immune Sciences, Inc. 6,090,980 0
2024-04-29 13D/A ALPN / Alpine Immune Sciences, Inc. 6,082,901 6,090,980
2024-03-06 13D/A ARQT / Arcutis Biotherapeutics, Inc. 8,841,426 8,862,478
2023-11-22 13D/A ALPN / Alpine Immune Sciences, Inc. 3,164,108 6,082,901
2023-10-26 13D/A ARQT / Arcutis Biotherapeutics, Inc. 8,745,318 8,841,426
2022-08-09 13D/A ARQT / Arcutis Biotherapeutics, Inc. 8,481,907 8,745,318
2022-02-15 13D/A ALPN / Alpine Immune Sciences, Inc. 3,177,842 3,164,108
2022-01-28 13G/A SRRA / Sierra Oncology Inc 202,803 1,264,861
2021-09-21 13D/A ALPN / Alpine Immune Sciences, Inc. 2,737,101 3,177,842
2021-05-12 13D/A ARQT / Arcutis Biotherapeutics, Inc. 10,566,790 8,481,907
2021-05-04 13D/A APTX / Aptinyx Inc. 3,190,079 3,195,055
2021-02-09 13D/A ARQT / Arcutis Biotherapeutics, Inc. 10,542,790 10,566,790
2021-02-04 13D/A APTX / Aptinyx Inc. 3,240,116 3,190,079
2020-10-06 13D/A ARQT / Arcutis Biotherapeutics, Inc. 10,542,790 10,542,790
2020-07-31 13D/A ALPN / Alpine Immune Sciences, Inc. 2,725,626 2,737,101
2020-06-18 13D/A ETTX / Entasis Therapeutics Holdings Inc 1,049,953 799,953
2020-04-29 13D/A SRRA / Sierra Oncology Inc 202,803
2020-03-23 13D/A ETTX / Entasis Therapeutics Holdings Inc 1,299,953 1,049,953
2020-02-07 13D ARQT / Arcutis Biotherapeutics, Inc. 10,542,790
2020-01-16 13D/A APTX / Aptinyx Inc. 3,190,079 3,240,116
2020-01-13 13D/A ETTX / Entasis Therapeutics Holdings Inc 1,349,953 1,299,953
2019-01-23 13D/A ALPN / Alpine Immune Sciences, Inc. 2,725,626 2,725,626
2019-01-22 13D/A ALPN / Alpine Immune Sciences, Inc. 2,725,626
2018-11-14 13D/A SRRA / Sierra Oncology Inc 8,112,121 8,112,121
2018-11-13 13D/A SRRA / Sierra Oncology Inc 8,112,121
2018-10-09 13D ETTX / Entasis Therapeutics Holdings Inc 1,349,953
2018-07-05 13D APTX / Aptinyx Inc. 3,190,079 3,190,079
2018-07-03 13D APTX / Aptinyx Inc. 3,190,079
2017-07-31 13D ALPN / Alpine Immune Sciences, Inc. 2,199,011
2017-07-31 13D ALPN / Alpine Immune Sciences, Inc. 2,199,011 2,199,011
2017-07-28 13D ALPN / Alpine Immune Sciences, Inc. 2,199,011