Recent 8-K filings for SSM

• May 8, 2026, 7:59 PM ET M&A materiality 0.75 neutral item 2.05item 1.01item 2.01item 8.01item 9.01 ◈ Material Agreements◈ Restructurings & Charges

  Sono Group exits solar: sells Sono Motors and €10.5M loan to management for €1 each

  Sold 100% of Sono Motors GmbH shares for €1; assigned €10.5M shareholder loan claim for €1 to managing directors Denis Azhar and Jan Schiermeister.

• March 19, 2026, 7:59 PM ET other material materiality 0.85 positive item 2.05item 8.01item 9.01 ◈ Restructurings & Charges

  Sono Group exits solar subsidiary, adopts Bitcoin treasury strategy with covered-call yield

  Board resolved March 14, 2026 to cease all funding to subsidiary Sono Motors GmbH and exit legacy solar operations.

• March 16, 2026, 7:59 PM ET other material materiality 0.65 neutral item 1.01item 8.01item 2.03item 9.01

  Sono Group adopts Bitcoin treasury strategy via ISDA with Blockchain.com

  Entered ISDA Master Agreement with Blockchain.com for digital asset derivatives (forwards, swaps, futures, options) to manage treasury risk.

• March 10, 2026, 7:59 PM ET debt materiality 0.75 negative item 1.01item 3.02item 9.01 ◈ Material Agreements

  Sono Group raises $5M via pre-funded warrant and convertible debenture; dilution risk with variable conversion

  Raised $2M via pre-funded warrant for 283,367 shares at €0.01 exercise price; $3M via 12% convertible debenture due March 2027.

• February 24, 2026, 6:59 PM ET debt materiality 0.60 negative item 1.01item 3.02item 9.01 ◈ Material Agreements

  Sono Group issues $750,000 convertible debenture to Yorkville with 12% interest and variable conversion price

  Issued $750,000 convertible debenture to YA II PN, Ltd. (Yorkville) on February 19, 2026.

• September 9, 2025, 7:59 PM ET leadership materiality 0.75 neutral item 5.02item 7.01item 9.01

  CEO George O'Leary resigns; Kevin McGurn appointed as new CEO effective Sept 9, 2025

  George O'Leary voluntarily resigned as CEO effective Sept 9, 2025, will support transition through Dec 31, 2025.

• September 5, 2025, 7:59 PM ET other material materiality 0.75 positive item 1.01item 3.02item 8.01item 9.01

  Sono Group uplists to Nasdaq, secures additional $2.2M convertible debt from Yorkville

  Received approval to uplist ordinary shares to Nasdaq Capital Market; began trading Sept 5, 2025 under ticker 'SSM'.

• September 3, 2025, 7:59 PM ET other material materiality 0.60 neutral item 8.01item 9.01

  Sono Group pro forma shows net equity of $4.8M after converting $39.7M debt to preferred shares

  Yorkville committed $5M debenture; $3.25M advanced, $1.75M pending Nasdaq uplisting approval.

• July 18, 2025, 7:59 PM ET other material materiality 0.60 positive item 7.01item 9.01

  Sono Group projects ~€1M revenue in H2 2025; orders ramp from 50 to 100+ units

  Expected Q3-Q4 2025 revenue of ~€1M; avg revenue per unit trending to ~€8k in Q4.

• July 8, 2025, 7:59 PM ET debt materiality 0.60 neutral item 1.01item 3.02item 9.01

  Sono Group extends maturity of $35.4M convertible debentures to Aug 1, 2025

  Extends maturity of four convertible debentures (original principal ~$35.4M) from July 1 to August 1, 2025.

• May 27, 2025, 7:59 PM ET debt materiality 0.70 neutral item 1.01item 3.02item 2.03item 9.01

  Sono Group receives additional $750K secured convertible debenture from Yorkville under amended SPA

  Yorkville advanced $750K secured convertible debenture, 12% interest, maturing May 27, 2026.

• May 20, 2025, 7:59 PM ET other material materiality 0.65 neutral item 8.01item 9.01

  Sono Group files pro forma financials for Nasdaq listing; $5M Yorkville debenture conversion to preferred shares

  Provided pro forma balance sheet and income statement for Nasdaq listing application; approval not yet received.

• April 25, 2025, 7:59 PM ET debt materiality 0.70 negative item 1.01item 3.02item 2.03item 9.01

  Sono Group N.V. receives $500k convertible debenture advance from Yorkville

  Received $500,000 advance secured convertible debenture; net proceeds $500,000.

• April 17, 2025, 7:59 PM ET other material materiality 0.80 neutral item 8.01item 9.01

  Sono Group files pro forma for Nasdaq listing; Yorkville debt conversion and $5M debenture

  Pro forma reflects $5M Yorkville convertible debenture ($2M advanced, $3M contingent on Nasdaq approval).

• March 26, 2025, 7:59 PM ET other material materiality 0.60 positive item 1.01item 3.02item 2.03item 7.01item 9.01

  Sono Group signs co-marketing deal with Merlin Solar; secures $1M convertible debenture from Yorkville

  Co-marketing partnership: Sono Motors to sell Merlin solar panels in Europe; Merlin to sell Sono charge controllers in Americas.

• March 7, 2025, 6:59 PM ET other material materiality 0.60 neutral item 1.01item 9.01

  Sono Group amends floor price in Yorkville deal; extends termination dates to April 15, 2025

  Floor price modified to $4.00/share during first 6 months after Nasdaq relisting, then $1.00/share thereafter.

• February 13, 2025, 6:59 PM ET other material materiality 0.60 neutral item 1.01item 3.02item 2.03item 9.01

  Sono Group secures $1M immediate convertible debenture from Yorkville, part of $5M facility

  Entered Omnibus Amendment to existing securities purchase agreement with YA II PN, Ltd. (Yorkville) on Feb 12, 2025.

• January 10, 2025, 6:59 PM ET other material materiality 0.85 positive item 7.01item 8.01item 9.01

  Sono Group announces 1:75 reverse split, $5M debenture, $37.2M debt-to-equity conversion, new CFO

  Reverse share split 1:75 effective Jan 6, 2025; shares reduced from 105.7M to 1.4M; trades as SEVCD temporarily.

Materiality & sentiment trend

Max materiality 0.85 · Median 0.62 · Most common event other_material

6 positive 4 negative 12 neutral

source · SSM on sec.gov