Shephard Mpofu - 09 May 2024 Form 3 Insider Report for ACELYRIN, Inc. (SLRN)

Signature
/s/ Sanam Pangali, Attorney-in-fact
Issuer symbol
SLRN
Transactions as of
09 May 2024
Net transactions value
$0
Form type
3
Filing time
17 May 2024, 19:08:00 UTC
Next filing
24 May 2024

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 Employee Stock Option (right to buy) 09 May 2024 Common Stock 118,858 $10.17 Direct F1
holding SLRN Employee Stock Option (right to buy) 09 May 2024 Common Stock 142,586 $7.68 Direct 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 September 25, 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 1/4 of the shares subject to the option vest on January 9, 2025, 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