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

Role: Director
Signature: /s/ Mina Kim, Attorney-in-fact
Stock symbol: SLRN
Transactions as of: Oct 4, 2023
Transactions value $: $0
Form type: 4
Date filed: 10/6/2023, 05:56 PM
Previous filing: Jul 20, 2023
Next filing: Jun 5, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SLRN	Common Stock	Other	$0	+14.7K		$0.00	14.7K	Oct 4, 2023	See footnote	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, from Woodland Hills Partner LLC (the "LLC") to the Reporting Person, a limited partner of the LLC, without additional consideration. This distribution arises from the purchase of preferred stock by the Reporting Person as a limited partner in the LLC on the same pricing terms as the other participating investors in each round of financing.
F2	Shares held directly by Patrick Machado Revocable Trust, Patrick Machado, TEE, for which the Reporting Person serves as trustee.

Content

Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, from Woodland Hills Partner LLC (the "LLC") to the Reporting Person, a limited partner of the LLC, without additional consideration. This distribution arises from the purchase of preferred stock by the Reporting Person as a limited partner in the LLC on the same pricing terms as the other participating investors in each round of financing.

Shares held directly by Patrick Machado Revocable Trust, Patrick Machado, TEE, for which the Reporting Person serves as trustee.