SCHEDULE 13D/A

ARCHER AVIATION INC COM CL A

Class A Common Stock, $0.0001 par value per share · CUSIP: 03945R102

Event date: 2026-01-03

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Stellantis N.V.Reported CIK 0001605484

  Shares: 78,235,067.00 · Class: 10.4%

• FCA US LLCReported CIK 0001513153

  Shares: 0.00 · Class: 0.0%

• FCA NORTH AMERICA HOLDINGS LLCReported CIK 0001518840

  Shares: 0.00 · Class: 0.0%

• FCA FOREIGN SALES HOLDCO LTD.Reported CIK 0001980653

  Shares: 0.00 · Class: 0.0%

• SFS UK 1 LTD.Reported CIK 0001980514

  Shares: 0.00 · Class: 0.0%

• STELLANTIS EUROPE S.P.A.Reported CIK 0001978738

  Shares: 8,577,024.00 · Class: 1.1%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.