Home/Filings/4/0001962918-23-000025
4//SEC Filing

Oyston Ronald 4

Accession 0001962918-23-000025

CIK 0001962918other

Filed

Aug 17, 8:00 PM ET

Accepted

Aug 18, 6:55 PM ET

Size

5.6 KB

Accession

0001962918-23-000025

Insider Transaction Report

Form 4
Period: 2023-08-16
Oyston Ronald
Chief People Officer
Transactions
  • Award

    Common Stock

    2023-08-16+140,332141,332 total
Holdings
  • Common Stock

    (indirect: See footnote)
    26
Footnotes (2)
  • [F1]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.
  • [F2]The shares are held of record by the Reporting Person's child.

Issuer

ACELYRIN, Inc.

CIK 0001962918

Entity typeother

Related Parties

1
  • filerCIK 0001973851

Filing Metadata

Form type
4
Filed
Aug 17, 8:00 PM ET
Accepted
Aug 18, 6:55 PM ET
Size
5.6 KB