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Correspondence 0001193125-23-132455 from ACELYRIN, Inc. (SLRN) (CIK 0001962918)

ACELYRIN, Inc. (SLRN) (CIK 0001962918)
Date: May 2, 2023 · CIK: 0001962918 · Accession: 0001193125-23-132455

AI Filing Summary & Sentiment

File numbers found in text: 333-271244

Date
May 2, 2023
Author
Not clearly detected
Form
CORRESP
Company
ACELYRIN, Inc. (SLRN) (CIK 0001962918)

Letter

ACELYRIN, INC.

4149 Liberty Canyon Road

Agoura Hills, California 91301

May 2, 2023

VIA EDGAR

U.S. Securities and Exchange Commission

Division of Corporation Finance

Office of Life Sciences

100 F Street, N.E.

Washington, D.C. 20549

Attn: Cindy Polynice, Suzanne Hayes, Ibolya Ignat, Vanessa Robertson

Re: ACELYRIN, INC.

Registration Statement on Form S-1, as amended (File No. 333-271244)

Request for Acceleration of Effective Date

Ladies and Gentlemen:

Pursuant to Rule 461 of the General Rules and Regulations under the Securities Act of 1933, as amended, ACELYRIN, INC. (the “Company”) hereby requests that the U.S. Securities and Exchange Commission (the “Commission”) accelerate the effective date of the above-referenced Registration Statement on Form S-1 (as amended to date, the “Registration Statement”) and declare the Registration Statement effective as of 4:00 p.m. Eastern time, on May 4, 2023, or as soon thereafter as possible, or at such other time as its legal counsel, Cooley LLP, may request by telephone to the staff of the Commission.

Once the Registration Statement has been declared effective, please orally confirm that event with Chadwick Mills of Cooley LLP at (650) 843-5654 or, in his absence, Charles S. Kim of Cooley LLP at (858) 550-6049.

Under separate cover, you will receive today a letter from the managing underwriters of the proposed offering joining in the Company’s request for acceleration of the effectiveness of the Registration Statement.

Very truly yours,
ACELYRIN, INC.

Show Raw Text
CORRESP
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filename1.htm

CORRESP

 ACELYRIN, INC.

4149 Liberty Canyon Road

 Agoura
Hills, California 91301

 May 2, 2023

 VIA EDGAR

 U.S. Securities and Exchange Commission

 Division
of Corporation Finance

 Office of Life Sciences

 100 F
Street, N.E.

 Washington, D.C. 20549

 Attn: Cindy Polynice,
Suzanne Hayes, Ibolya Ignat, Vanessa Robertson

 Re:    ACELYRIN, INC.

Registration Statement on Form S-1, as amended (File No. 333-271244)

 Request for Acceleration of Effective Date

Ladies and Gentlemen:

 Pursuant to Rule 461 of the General Rules
and Regulations under the Securities Act of 1933, as amended, ACELYRIN, INC. (the “Company”) hereby requests that the U.S. Securities and Exchange Commission (the “Commission”) accelerate the effective date of the
above-referenced Registration Statement on Form S-1 (as amended to date, the “Registration Statement”) and declare the Registration Statement effective as of 4:00 p.m. Eastern time, on
May 4, 2023, or as soon thereafter as possible, or at such other time as its legal counsel, Cooley LLP, may request by telephone to the staff of the Commission.

Once the Registration Statement has been declared effective, please orally confirm that event with Chadwick Mills of Cooley LLP at (650) 843-5654 or, in his absence, Charles S. Kim of Cooley LLP at (858) 550-6049.

Under separate cover, you will receive today a letter from the managing underwriters of the proposed offering joining in the Company’s request for
acceleration of the effectiveness of the Registration Statement.

Very truly yours,

ACELYRIN, INC.

 /s/ Shao-Lee Lin

By:

Shao-Lee Lin, M.D., Ph.D.

Title:

Chief Executive Officer

 cc:    Mardi Dier, Chief Financial Officer; Chief Business Officer ACELYRIN, INC.

Mina Kim, Chief Legal and Administrative Officer, ACELYRIN, INC.

Chadwick Mills, Cooley LLP

 Charles S. Kim, Cooley LLP

Anitha Anne, Cooley LLP

 Alan F. Denenberg, Davis Polk &
Wardwell LLP