Arcellx, Inc.

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

General form for quarterly reports under Section 13 or 15(d)

No description available

No description available

Results of Operations and Financial Condition

Regulation FD Disclosure

Annual Report of Proxy Voting Record of Registered Management Investment Company

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

No description available

No description available

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

No description available

No description available

Submission of Matters to a Vote of Security Holders

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Shareholder Letter

Annual Report Scanned (Paper)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

No description available

No description available

Annual report pursuant to Section 13 or 15(d)

No description available

No description available

Results of Operations and Financial Condition

No description available

No description available

No description available

No description available

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

1.01,2.03,8.01,9.01

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

General form for quarterly reports under Section 13 or 15(d)

2.02,9.01

5.02,9.01

5.03,5.07,9.01

General form for quarterly reports under Section 13 or 15(d)

2.02,9.01

Annual Report Scanned (Paper)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

7.01,8.01,9.01

Preliminary Proxy Statement

Correspondence with the SEC

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

General form for quarterly reports under Section 13 or 15(d)

Automatic Shelf Registration

General form for quarterly reports under Section 13 or 15(d)

Shareholder Letter

Required Information in Proxy Statement

Shareholder Letter

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

General form for quarterly reports under Section 13 or 15(d)

Shareholder Letter

Shareholder Letter

Shareholder Letter

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Shareholder Letter

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Free Writing Prospectus

O'Day Daniel Patrick

O'Day Daniel Patrick

Dickinson Andrew D

Mercier Johanna

Mercier Johanna

Dickinson Andrew D

O'Day Daniel Patrick

Burkhart Erin

Dickinson Andrew D

Cain Wettan Keeley M

Mercier Johanna

Berger Dietmar

Mercier Johanna

Cain Wettan Keeley M

O'Day Daniel Patrick