Clearday Acquires Superconductor Technologies in Definitive Merger

Dundee Corporation Privatizes Dundee Sustainable Technologies (DST)

April 2, 2026

Industrial Services

Dundee Sustainable Technologies Inc. (DST) entered into a definitive merger agreement under which Dundee Corporation will acquire all outstanding subordinate voting shares of DST not already owned by Dundee. The purchaser (a wholly owned subsidiary of Dundee) will pay $0.03 per share in cash, with the transaction expected to close in the first half of 2026 subject to customary conditions and shareholder approval.

Sunstone Partners Acquires Majority Stake in Clearwater

September 30, 2025

Cybersecurity

Sunstone Partners, a growth-oriented private equity firm, has acquired majority ownership of Clearwater from Altaris, LLC and other existing shareholders. The investment will support Clearwater’s expansion of managed security, consulting, and software capabilities across the healthcare ecosystem and the defense industrial base (via its Redspin division).

High Temperature Superconductors, Inc. Acquires PVD Products, Inc.

June 29, 2022

Manufacturing

High Temperature Superconductors, Inc. (HTS) has completed the acquisition of PVD Products, Inc., a Wilmington, Massachusetts-based manufacturer of custom thin film deposition systems including PLD and reel-to-reel equipment. The purchase gives HTS in-house access to critical deposition tools and engineering capabilities to support commercialization and scale-up of high-temperature superconducting wire for energy, fusion and other high-field applications.

Superconductor Technologies Inc. and Allied Integral United, Inc. Complete Merger; Company to Rebrand as Clearday

September 7, 2021

Healthcare Services

Superconductor Technologies Inc. (STI) has completed its previously announced merger with Allied Integral United, Inc. (d/b/a Clearday), with STI changing its name to Clearday, Inc. The transaction implements a reverse stock split and a special dividend of "True Up Shares" as part of the closing to effect the reverse merger and transition the combined company to the Clearday operating platform focused on non-acute longevity care and digital health services.

Sterlite Technologies (STL) Acquires Clearcomm Group Ltd

July 22, 2021

Telecommunications

Sterlite Technologies Limited (STL) has agreed to acquire 100% of UK-based network integrator Clearcomm Group Ltd in a two-tranche deal (80% up front, remaining 20% in 2023) based on an enterprise value of £15.5 million for the initial tranche. The acquisition (Clearcomm reported ~£20m revenue and strong recent growth) expands STL's network integration capabilities and strengthens its presence across the UK and Europe, complementing STL's optical connectivity and data-centre interconnect offerings.

BioLife Solutions Acquires Stirling Ultracold

March 22, 2021

Manufacturing

BioLife Solutions, Inc. agreed to acquire Global Cooling, Inc., operating as Stirling Ultracold, in an all-stock merger in which BioLife will issue 6,646,870 shares to acquire 100% of Stirling. The deal (expected to close in early Q2 2021) expands BioLife's cold-chain and ULT freezer product portfolio, adds Stirling’s ~150 employees and IP, and is expected to be accretive on an adjusted net income per share basis in 2022 and beyond.