0001962918-23-000025.txt : 20230818
0001962918-23-000025.hdr.sgml : 20230818
20230818185526
ACCESSION NUMBER: 0001962918-23-000025
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20230816
FILED AS OF DATE: 20230818
DATE AS OF CHANGE: 20230818
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Oyston Ronald
CENTRAL INDEX KEY: 0001973851
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-41696
FILM NUMBER: 231186985
MAIL ADDRESS:
STREET 1: C/O ACELYRIN, INC.
STREET 2: 4149 LIBERTY CANYON ROAD
CITY: AGOURA HILLS
STATE: CA
ZIP: 91301
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: ACELYRIN, Inc.
CENTRAL INDEX KEY: 0001962918
STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834]
IRS NUMBER: 852406735
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 4149 LIBERTY CANYON RD.
CITY: AGOURA HILLS
STATE: CA
ZIP: 91301
BUSINESS PHONE: 805-871-4300
MAIL ADDRESS:
STREET 1: 4149 LIBERTY CANYON RD.
CITY: AGOURA HILLS
STATE: CA
ZIP: 91301
4
1
wk-form4_1692399305.xml
FORM 4
X0508
4
2023-08-16
0
0001962918
ACELYRIN, Inc.
SLRN
0001973851
Oyston Ronald
C/O ACELYRIN, INC.
4149 LIBERTY CANYON RD.
AGOURA HILLS
CA
91301
0
1
0
0
Chief People Officer
0
Common Stock
2023-08-16
4
A
0
140332
0
A
141332
D
Common Stock
26
I
See footnote
Represents Restricted Stock Units (RSUs). 1/4 of the RSUs will vest on May 15, 2024 and the remaining RSUs will vest in three equal annual installments thereafter, subject to the Reporting Person's continued service through each vesting date.
The shares are held of record by the Reporting Person's child.
/s/ Mina Kim, Attorney-in-fact
2023-08-18