Cooley advised Datadog (Nasdaq: DDOG), a monitoring and security platform for cloud applications, on its upsized $1 billion aggregate principal amount of 0% convertible senior notes due 2029, which includes the exercise in full of the initial purchasers’ option to purchase up to an additional $130 million aggregate principal amount of notes, a figure comprising an initial $870 million aggregate principal amount of notes and the exercise in full of the initial purchasers’ option to purchase up to an additional $130 million aggregate principal amount.