InsideArbitrage Event Driven Monitor – March 19, 2026

Key Takeaways

• SunOpta shareholder meeting set for April 16 after court order
• Saltchuk tendering Great Lakes Dredge senior notes before March 31
• DOJ says Paramount‑Warner deal faces antitrust review, no fast‑track
• Danaher expects Masimo merger completion H2 2026
• Elliott builds stake in Align Technology, plans activist engagement

Summary

The March 19 InsideArbitrage Event Driven Monitor highlighted several high‑profile merger‑arbitrage moves, including SunOpta’s April 16 shareholder meeting following an Ontario court order and Saltchuk’s cash tender offer for Great Lakes Dredge’s 5.25% senior notes due 2029. The Department of Justice signaled a rigorous antitrust review for Paramount‑Warner’s proposed merger, while Danaher expects its acquisition of Masimo to close in the second half of 2026. Activist Elliott Investment Management disclosed a sizable stake in Align Technology, and multiple companies announced sizable share‑buyback programs and potential spinoffs.

Pulse Analysis

Merger‑arbitrage activity remains robust as courts and creditors influence deal timelines. SunOpta’s pending shareholder vote, triggered by an Ontario Superior Court interim order, underscores how judicial rulings can accelerate or delay corporate restructurings. Meanwhile, Saltchuk’s tender offer for Great Lakes Dredge’s senior notes illustrates a classic cash‑for‑debt strategy, offering investors a premium before the March 31 deadline and adding liquidity to a market that has seen heightened note‑related arbitrage this quarter.

Regulatory scrutiny is intensifying, particularly in high‑profile media consolidations. The DOJ’s antitrust division, led by Acting Assistant Attorney General Omeed Assefi, made clear that the Paramount‑Warner merger will not receive a fast‑track review, reinforcing the agency’s commitment to rigorous competition analysis amid political speculation. This stance adds uncertainty to large‑scale acquisitions and may pressure bidders to adjust pricing or structure. In parallel, Danaher’s projected completion of its Masimo acquisition in H2 2026 signals confidence in navigating regulatory pathways, offering a benchmark for other biotech and industrial deals seeking clearance.

Activist investors and corporate finance initiatives are reshaping shareholder value dynamics. Elliott Investment Management’s newly disclosed stake in Align Technology signals a potential push for strategic alternatives or operational improvements to lift the stock price. Simultaneously, a wave of share‑buyback programs—from Logitech’s $1.4 billion plan to DLocal’s 300 million‑share repurchase—reflects companies’ desire to return capital amid volatile equity markets. Spinoff considerations at Unilever and DuPont further illustrate how firms are re‑engineering portfolios to focus on high‑growth segments, creating additional arbitrage opportunities for savvy investors.