LeBlanc Claude

Claude LeBlanc's Form 4 record centers on a single company that appears to have changed its name mid-record: transactions filed under 'AMBAC FINANCIAL GROUP INC' (ticker AMBC) through October 2025 give way to 'OCTAVE SPECIALTY GROUP INC' (ticker OSG) by July 2026, both tied to the same issuer CIK across 165 total transactions since March 2017. The bulk of the activity — 213,425 shares bought, 937,771 sold across the full history — includes a dense cluster of large transactions between September 29 and October 3, 2025: two 661,355-share conversion transactions (code C) on September 29, paired with 350,188 shares withheld for taxes at $9.72; an option exercise of 193,353 shares on September 30, alongside a 174,961-share award and 111,034 shares withheld at $8.34; and five separate stock-award transactions on October 3, together totaling 1,056,932 shares. Amid that cluster, LeBlanc also made genuine open-market purchases with real cash: 25,000 shares at $8.54 on October 1, 2025, 25,000 shares at $7.03 on August 11, 2025, and 40,000 shares at $6.50 on May 14, 2025. The most recent activity, on July 9, 2026, under the Octave Specialty Group name, was a more routine option exercise: 39,380 shares (in two tranches) with 21,777 shares withheld for taxes at $6.08.