The Dealroom edition of Before You Hit Send: a weekly true-story breakdown for antitrust counsel, deal teams, and M&A bankers, tracing the emails and texts that crossed the line from "planning" into coordination — and showing exactly where that line sits. https://sidenote.ai/newsletter/dealroom/ 2026-07-08T00:00:00.000Z https://sidenote.ai/newsletter/dealroom/gun-jumping-is-back-on-the-menu/ 2026-07-08T00:00:00.000Z 2026-07-08T00:00:00.000Z

After a record $5.6M penalty and a rare DOJ action, pre-closing coordination is the enforcement story of the year. What deal teams are getting wrong — and where the line actually is.

https://sidenote.ai/newsletter/dealroom/lets-sync-on-pricing-before-we-close/ 2026-07-01T00:00:00.000Z 2026-07-01T00:00:00.000Z

One helpful email suggesting the two companies align prices "so we're ready on day one." That's not readiness. That's gun-jumping.

https://sidenote.ai/newsletter/dealroom/the-synergy-deck-that-said-the-quiet-part/ 2026-06-24T00:00:00.000Z 2026-06-24T00:00:00.000Z

A slide promised to "rationalize the competitive overlap and recover pricing." The government reads decks too.

https://sidenote.ai/newsletter/dealroom/the-diligence-data-that-left-the-clean-room/ 2026-06-17T00:00:00.000Z 2026-06-17T00:00:00.000Z

Current customer-level pricing, forwarded to a sales VP "just so he's in the loop." The clean room existed for exactly this reason.

https://sidenote.ai/newsletter/dealroom/the-board-email-about-taking-out-the-rival/ 2026-06-10T00:00:00.000Z 2026-06-10T00:00:00.000Z

Deal rationale written for the board — "neutralize our only real competitor" — becomes the government's favorite kind of exhibit.

https://sidenote.ai/newsletter/dealroom/texting-the-targets-sales-team-before-close/ 2026-06-03T00:00:00.000Z 2026-06-03T00:00:00.000Z

An eager integration lead started directing the other side's reps weeks early. Assuming control before clearance is the textbook violation.