Mardi Dier - May 4, 2023 Form 4 Insider Report for ACELYRIN, Inc. (SLRN)

Role
CFO and CBO
Signature
/s/ Mina Kim, Attorney-in-fact
Stock symbol
SLRN
Transactions as of
May 4, 2023
Transactions value $
$0
Form type
4
Date filed
5/4/2023, 07:59 PM
Previous filing
Oct 17, 2022
Next filing
May 11, 2023

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction SLRN Employee Stock Option (right to buy) Award $0 +85.2K $0.00 85.2K May 4, 2023 Class A Common Stock 85.2K $18.00 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 1/4 of the shares subject to the option vest on May 4, 2024, and 1/48 of the shares subject to the option vest in equal monthly installments thereafter, subject to the Reporting Person's continued service.
F2 Each share of Class A Common Stock shall be reclassified into one share of Common Stock immediately prior to the completion of the Issuer's initial public offering of Common Stock.