Patrick Machado - May 4, 2023 Form 3 Insider Report for ACELYRIN, Inc. (SLRN)

Role
Director
Signature
/s/ Mina Kim, Attorney-in-fact
Stock symbol
SLRN
Transactions as of
May 4, 2023
Transactions value $
$0
Form type
3
Date filed
5/4/2023, 07:47 PM
Previous filing
Aug 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
holding SLRN Director Stock Option (right to buy) May 4, 2023 Class A Common Stock 40.6 K $0.77 Direct F1, F2
holding SLRN Director Stock Option (right to buy) May 4, 2023 Class A Common Stock 86.2 K $5.88 Direct F2, F3
holding SLRN Director Stock Option (right to buy) May 4, 2023 Class A Common Stock 28.7 K $5.88 Direct F2, F4

Explanation of Responses:

Id Content
F1 1/48 of the shares subject to the option vested on May 19, 2021 and 1/48 of the shares subject to the option vests 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.
F3 1/48 of the shares subject to the option vested on November 1, 2022 and 1/48 of the shares subject to the option vests in equal monthly installments thereafter, subject to the Reporting Person's continued service.
F4 1/48 of the shares subject to the option vested on December 17, 2022 and 1/48 of the shares subject to the option vests in equal monthly installments thereafter, subject to the Reporting Person's continued service.

Remarks:

Exhibit 24 - Power of Attorney