Sono Group N.V.

SSM·NASDAQ·$3.81Share Price as of 11/2·$5MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/14/26 10-QQ1 ended 03/31/2605/19/26 10-KFY 202504/01/26 10-QQ3 ended 09/30/2511/20/25 10-QQ2 ended 06/30/2508/19/25

Disclosures

8-KCurrent report08/31/26 8-K/ACurrent report (amended)05/08/26 8-KCurrent report03/19/26 8-KCurrent report03/16/26 8-KCurrent report03/10/26

Prospectuses and Registrations

424B5Prospectus supplement09/02/26 S-3Shelf registration05/12/26 F-3/AShelf registration (foreign, amended)12/15/22 F-3Shelf registration (foreign)12/08/22 424B3Prospectus10/13/22

Proxies

DEFA14AAdditional proxy materials05/08/26 DEFA14AAdditional proxy materials03/19/26 DEFA14AAdditional proxy materials03/16/26 DEF 14ADefinitive proxy07/24/25 PRE 14APreliminary proxy07/11/25

Ownership

SC 13G/ABeneficial ownership (amended)10/13/26 SC 13DBeneficial ownership10/01/26 144Proposed sale of securities09/10/26 SC 13DBeneficial ownership09/08/26 Form 4Insider transaction09/03/26

Other

42542509/02/26 42542508/31/26 NT 10-QLate filing notification (10-Q)05/15/26 EFFECTRequest for effectiveness05/14/26 CORRESPCorrespondence with the SEC05/13/26