Filing Details

Accession Number:
0001209191-22-008281
Form Type:
4
Zero Holdings:
No
Publication Time:
2022-02-10 08:41:09
Reporting Period:
2022-02-08
Accepted Time:
2022-02-10 08:41:09
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1786205 Arcellx Inc. ACLX () 4
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1595117 Simeon George 985 Old Eagle School Road
Suite 511
Wayne PA 19087
No No Yes No
1848319 Sr One Capital Fund I Aggregator Lp 985 Old Eagle School Road
Suite 511
Wayne PA 19087
No No Yes No
1853723 Sr One Capital Management, Llc 985 Old Eagle School Road
Suite 511
Wayne PA 19087
No No Yes No
1853724 Sr One Capital Partners I, Lp 985 Old Eagle School Road
Suite 511
Wayne PA 19087
No No Yes No
1867644 Sr One Co-Invest Ii, Llc 985 Old Eagle School Road
Suite 511
Wayne PA 19087
No No Yes No
1910324 Sr One Co-Invest Ii Manager, Llc 985 Old Eagle School Road
Suite 511
Wayne PA 19087
No No Yes 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 2022-02-08 1,550,309 $0.00 1,550,309 No 4 C Indirect See Footnote
Common Stock Acquisiton 2022-02-08 666,651 $0.00 2,216,960 No 4 C Indirect See Footnote
Common Stock Acquisiton 2022-02-08 533,389 $0.00 2,750,349 No 4 C Indirect See Footnote
Common Stock Acquisiton 2022-02-08 649,795 $0.00 3,400,144 No 4 C Indirect See Footnote
Common Stock Acquisiton 2022-02-08 66,667 $15.00 3,466,811 No 4 P Indirect See Footnote
Common Stock Acquisiton 2022-02-08 433,196 $0.00 433,196 No 4 C Indirect See Footnote
Common Stock Acquisiton 2022-02-08 1,600,000 $15.00 2,033,196 No 4 P Indirect See Footnote
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 C Indirect See Footnote
No 4 C Indirect See Footnote
No 4 C Indirect See Footnote
No 4 C Indirect See Footnote
No 4 P Indirect See Footnote
No 4 C Indirect See Footnote
No 4 P Indirect See Footnote
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Series A Preferred Stock Disposition 2022-02-08 1,550,309 $0.00 1,550,309 $0.00
Common Stock Series B-1 Preferred Stock Disposition 2022-02-08 666,651 $0.00 666,651 $0.00
Common Stock Series B-2 Preferred Stock Disposition 2022-02-08 533,389 $0.00 533,389 $0.00
Common Stock Series C Preferred Stock Disposition 2022-02-08 649,795 $0.00 649,795 $0.00
Common Stock Series C Preferred Stock Disposition 2022-02-08 433,196 $0.00 433,196 $0.00
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 No 4 C Indirect
0 No 4 C Indirect
0 No 4 C Indirect
0 No 4 C Indirect
0 No 4 C Indirect
Footnotes
  1. All outstanding shares of Preferred Stock will automatically convert into shares of Common Stock at the Reporting Person's election and automatically upon the closing of the initial public offering of Arcellx, Inc. (the "Issuer"). The Preferred Stock has no expiration date.
  2. The reported securities are held directly by SR One Capital Fund I Aggregator, LP. SR One Capital Partners I, LP is the general partner of SR One Capital Fund I Aggregator, LP, and SR One Capital Management, LLC is the general partner of SR One Capital Partners I, LP. Simeon George is the managing member of SR One Capital Management, LLC. Each of SR One Capital Partners I, LP, SR One Capital Management, LLC and Mr. George may each be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein.
  3. SR One Capital Fund I Aggregator, LP purchased 66,667 shares of Common Stock of the Issuer in connection with the Issuer's public offering.
  4. The reported securities are held directly by SR One Co-Invest II, LLC. SR One Co-Invest Manager II, LLC is the managing member of SR One Co-Invest II, LLC, and SR One Capital Management, LLC is the managing member of SR One Co-Invest Manager II, LLC. Simeon George is the managing member of SR One Capital Management, LLC. Each of SR One Co-Invest Manager II, LLC, SR One Capital Management, LLC and Mr. George may each be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein.
  5. SR One Co-Invest II, LLC purchased 1,600,000 shares of Common Stock of the Issuer in connection with the Issuer's public offering.