Patrick Machado - 09 May 2023 Form 4 Insider Report for ACELYRIN, Inc. (SLRN)

Role
Director
Signature
/s/ Mina Kim, Attorney-in-fact
Issuer symbol
SLRN
Transactions as of
09 May 2023
Net transactions value
$0
Form type
4
Filing time
11 May 2023, 21:09:04 UTC
Previous filing
04 May 2023
Next filing
02 Jun 2023
SEC
View on sec.gov

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 Director Stock Option (right to buy) Other $0 -40,567 -100% $0.000000* 0 09 May 2023 Class A Common Stock 40,567 $0.7683 Direct F1, F2
transaction SLRN Director Stock Option (right to buy) Other $0 +40,567 $0.000000 40,567 09 May 2023 Common Stock 40,567 $0.7683 Direct F1, F2
transaction SLRN Director Stock Option (right to buy) Other $0 -86,206 -100% $0.000000* 0 09 May 2023 Class A Common Stock 86,206 $5.88 Direct F1, F3
transaction SLRN Director Stock Option (right to buy) Other $0 +86,206 $0.000000 86,206 09 May 2023 Common Stock 86,206 $5.88 Direct F1, F3
transaction SLRN Director Stock Option (right to buy) Other $0 -28,675 -100% $0.000000* 0 09 May 2023 Class A Common Stock 28,675 $5.88 Direct F1, F4
transaction SLRN Director Stock Option (right to buy) Other $0 +28,675 $0.000000 28,675 09 May 2023 Common Stock 28,675 $5.88 Direct F1, F4
transaction SLRN Director Stock Option (right to buy) Other $0 -23,243 -100% $0.000000* 0 09 May 2023 Class A Common Stock 23,243 $18.00 Direct F1, F5
transaction SLRN Director Stock Option (right to buy) Other $0 +23,243 $0.000000 23,243 09 May 2023 Common Stock 23,243 $18.00 Direct F1, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each share of Class A Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the Issuer's initial public offering of Common Stock.
F2 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.
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.
F5 1/36 of the shares subject to the option vest on June 4, 2023, and 1/36 of the shares subject to the option vest in equal monthly installments thereafter, subject to the Reporting Person's continued service.