Filing Details

Accession Number:
0001209191-23-028870
Form Type:
4
Zero Holdings:
No
Publication Time:
2023-05-11 20:58:06
Reporting Period:
2023-05-09
Accepted Time:
2023-05-11 20:58:06
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1962918 Acelyrin Inc. SLRN () 4
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1668163 Mina Kim C/O Acelyrin, Inc.
4149 Liberty Canyon Rd.
Agoura Hills CA 91301
Chief Legal & Admin. Officer No Yes No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2023-05-09 5,000 $18.00 5,000 No 4 P Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 P Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Class A Common Stock Employee Stock Option (right to buy) Disposition 2023-05-09 362,719 $0.00 362,719 $5.88
Common Stock Employee Stock Option (right to buy) Acquisiton 2023-05-09 362,719 $0.00 362,719 $5.88
Class A Common Stock Employee Stock Option (right to buy) Disposition 2023-05-09 85,226 $0.00 85,226 $18.00
Common Stock Employee Stock Option (right to buy) Acquisiton 2023-05-09 85,226 $0.00 85,226 $18.00
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2032-11-20 No 4 J Direct
362,719 2032-11-20 No 4 J Direct
0 2033-05-03 No 4 J Direct
85,226 2033-05-03 No 4 J Direct
Footnotes
  1. Reflects shares purchased through a directed share program in the Issuer's initial public offering of Common Stock (the "IPO").
  2. Each share of Class A Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the IPO.
  3. 1/4 of the shares subject to the option vest on November 14, 2023, and 1/48 of the shares subject to the option vests in equal monthly installments thereafter, subject to the Reporting Person's continued service.
  4. 1/4 of the shares subject to the option vest on May 4, 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.