Filing Details

Accession Number:
0001962918-25-000026
Form Type:
4
Zero Holdings:
No
Publication Time:
2025-03-19 17:55:47
Reporting Period:
2025-03-17
Filing Date:
2025-03-19
Accepted Time:
2025-03-19 17:55:47
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1962918 Acelyrin Inc. SLRN Pharmaceutical Preparations (2834) 852406735
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
2023809 Shephard Mpofu C/O Acelyrin, Inc.
4149 Liberty Canyon Rd.
Agoura Hills CA 91301
Chief Medical 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 Disposition 2025-03-17 3,211 $2.74 121,789 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
Footnotes
  1. The sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlementof certain Restricted Stock Units, and does not represent a discretionary sale by the Reporting Person.
  2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices no more than $2.76 and no less than $2.71, inclusive. The Reporting Personundertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at eachseparate price within the range set forth in this footnote.