Filing Details

Accession Number:
0001415889-25-001345
Form Type:
4
Zero Holdings:
No
Publication Time:
2025-01-10 21:36:34
Reporting Period:
2025-01-07
Accepted Time:
2025-01-10 21:36:34
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1786205 Arcellx Inc. ACLX Biological Products, (No Disgnostic Substances) (2836) 472855917
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1930862 Michelle Gilson C/O Arcellx, Inc.
800 Bridge Parkway
Redwood City CA 94065
Chief Financial Officer No No 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 2025-01-03 15,339 $0.00 38,834 No 4 M Direct
Common Stock Disposition 2025-01-07 3,128 $74.43 24,463 No 4 S Direct
Common Stock Disposition 2025-01-07 1,546 $75.23 22,917 No 4 S Direct
Common Stock Disposition 2025-01-07 2,251 $76.64 20,666 No 4 S Direct
Common Stock Disposition 2025-01-07 2,327 $77.06 18,339 No 4 S Direct
Common Stock Disposition 2025-01-07 4,760 $75.53 13,579 No 4 S Direct
Common Stock Disposition 2025-01-08 3,997 $73.69 9,582 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Restricted Stock Unit Disposition 2025-01-03 15,339 $0.00 15,339 $0.00
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
15,340 No 4 M Direct
Footnotes
  1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock. Vesting of these RSUs previously reported in the Form 4 filed January 6, 2025.
  2. The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 18, 2023 and subsequently modified March 27, 2024.
  3. Represents the weighted average share price of an aggregate total of 3,128 shares sold in the price range of $73.80 to $74.74 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
  4. Represents the weighted average share price of an aggregate total of 1,546 shares sold in the price range of $74.85 to $75.73 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
  5. Represents the weighted average share price of an aggregate total of 2,251 shares sold in the price range of $75.93 to $76.91 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
  6. Represents the weighted average share price of an aggregate total of 2,327 shares sold in the price range of $76.93 to $77.16 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
  7. Represents a broker-assisted sale to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units.
  8. The price reported reflects the weighted average sales price. These shares were sold in multiple transactions at prices that were not available from the broker at the time of filing. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.
  9. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one-third (1/3rd) of the RSUs subject to the award will vest each year following the RSU Grant Date on the same day of the month as the RSU Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over three (3) years. "RSU Grant Date" shall mean January 3, 2023.