Complex sentence: Founder Baron Marcel Bich launched the BIC ballpoint pen in 1949; the Bich family owns about 40% of BIC's stock and controls more than 50% of its voting power.
Split into simpler sentences: Founder Baron Marcel Bich launched the BIC ballpoint pen in 1949. The Bich family owns about 40% of BIC's stock and controls more than 50% of its voting power.