Shao-Lee Lin - 16 Aug 2023 Form 4 Insider Report for ACELYRIN, Inc. (SLRN)

Signature
/s/ Mina Kim, Attorney-in-fact
Issuer symbol
SLRN
Transactions as of
16 Aug 2023
Net transactions value
$0
Form type
4
Filing time
18 Aug 2023, 18:49:07 UTC
Previous filing
19 May 2023
Next filing
06 Oct 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SLRN Common Stock Award $0 +842,400 +109% $0.000000 1,612,434 16 Aug 2023 Direct F1
holding SLRN Common Stock 1,161,747 16 Aug 2023 See footnote F2
holding SLRN Common Stock 677,813 16 Aug 2023 See footnote F3
holding SLRN Common Stock 354,969 16 Aug 2023 See footnote F4
holding SLRN Common Stock 354,969 16 Aug 2023 See footnote F5
holding SLRN Common Stock 349,898 16 Aug 2023 See footnote F6
holding SLRN Common Stock 5,070 16 Aug 2023 See footnote F7
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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 Shares held directly by Woodland Hills Partners LLC, for which the Reporting Person serves as a managing member.
F3 Shares held directly by Shao-Lee Lin, Trustee of the Shao-Lee Lin Trust u/a/d September 23, 2005, for which the Reporting Person serves as trustee.
F4 Shares held directly by Shao-Lee Lin 2020 Gift Trust Dtd 7/16/20, for which the Reporting Person's spouse serves as trustee.
F5 Shares held directly by Lin Family 2020 Gift Trust Dtd 7/16/20, for which the Reporting Person's spouse shares voting and investment power.
F6 Shares held directly by Susie Jun 2020 Gift Trust dtd 7/16/20, for which the Reporting Person serves as trustee.
F7 Shares held directly by Susie Jun, Trustee of the Susie Jun Trust U/A/D September 23, 2005, for which the Reporting Person's spouse serves as trustee.