Semler Scientific, a U.S. publicly traded company, has announced an increase in its convertible senior notes offering to $85 million. The company plans to use the proceeds to expand its Bitcoin holdings. Initially, Semler Scientific intended to issue $75 million in convertible preferred notes, maturing in 2030, to qualified institutional buyers. Additionally, they have provided an option for initial purchasers to buy an extra $15 million in notes within 13 days of issuance. The funds will cover capped call transaction costs and general corporate purposes, including Bitcoin acquisition.