Three transactions priced inside the trading week ending Friday May 22: Mastercard agreed to acquire London-based stablecoin infrastructure firm BVNK for up to $1.8 billion (including $300 million contingent) on May 21 [1]; Long Lake Capital agreed to take Amex Global Business Travel private at roughly $6.3 billion; and Vodafone disclosed a $5.8 billion deal for a 49 percent stake in VodafoneThree. [2] No Sunday-announced deals surfaced on Memorial Day weekend. The Harvard corporate-governance tracker now counts 23 global transactions above $10 billion year-to-date — already past the prior annual high set roughly a decade ago.

The Mastercard-BVNK deal is the structural piece. BVNK already partnered with Visa and powered Corpay's corporate stablecoin wallet integration before the acquisition; the $1.8 billion price tag pairs stablecoin rails with one of the world's largest card networks at exactly the moment regulators in the US, UK and EU are writing the rules. [3] The Forrester analysis read the deal as "a pivotal moment in the evolution of global payments." Long Lake's Amex GBT take-private comes inside a tightening corporate-travel-services consolidation pattern that has also produced the Concur and Egencia recombinations of the last cycle.

The structural read for a Monday-morning reader is that the megadeal return of 2026 is no longer a single quarter's story — it is a year-to-date pattern that has cleared the prior decade's annual high while the Anthropic round and AI cap tables took the headlines. The next test is the Tuesday post-holiday print: whether the M&A pipeline keeps clearing or pauses for a regulatory beat.

-- THEO KAPLAN, San Francisco