The 13D Report
The 13D Report
Shareholder activism
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Research Team

activistcompany

Canadian National Railway Company (CNI) reaches resolution agreement with TCI Fund Management

activistcompany

Altaba (AABA) to sell part of Yahoo Japan stake to Softbank; TCI trimmed its stake

activismweekly

13D weekly report - December 15, 2025 to December 19, 2025

Table of content Galloway Capital Backs Turnaround, Urges Strategic Review at Ampco Pittsburgh Corporation (AP) Key Summary:  On December 19,
activistprofile

Steel Partner Holdings

I. Basics Steel Partners Holdings L.P. is a global diversified holding company led by activist investor Warren Lichtenstein, owning
activistcompany

Aerojet Rocketdyne (AJRD) Shareholders Elect New Board of Directors

activistprofile

Sachem Head Capital Management

I. Basics Sachem Head Capital Management LP is an SEC-registered investment manager founded in 2012 by Scott D. Ferguson. The
activistcompany

Sachem Head reaches agreement with U.S. Food Holding Corp (USFD)

activistcompany

Sachem Head Capital Management reduced its stake after securing a Board seat in Olin Corp (OLN)

activistcompany

Sachem Head Capital Management reduced its stake in Eagle Materials (EXP)

activistcompany

Sachem Head Capital Management and Corvex Management separately nominated Board candidates to Anaplan (PLAN)

activistletters

Ampco Pittsburgh (AP) Draws Activist Support From Galloway Capital Partners as Letter Highlights Valuation Gap and M&A Options

Summary Galloway Capital Partners disclosed that it has built a 5.19% stake in Ampco Pittsburgh over the past 18
activistcompany

Mithaq Capital Opposes Nexxen International Ltd. (NEXN) Board and Pay Proposals at December 30 AGM

activistprofile

RC Ventures

I. Basics RC Ventures is the personal investment vehicle of Canadian entrepreneur and activist investor Ryan Cohen, best known for
activistcompany

Bed Bath & Beyond Inc. (BBBY) announces cooperation agreement with RC Ventures

activistletters

STAAR Surgical (STAA) Faces Intensifying Pushback as Broadwood Partners Opposes Sale and Presses for Independence

Summary Broadwood strongly opposed STAAR Surgical’s proposed sale to Alcon, arguing the deal materially undervalues the company and reflects
activistletters

OraSure Technologies (OSUR) Faces Proxy Fight as Altai Capital Seeks Board Seats Over Governance and Strategic Failures

Summary Altai Capital disclosed a 5.2% stake in OraSure and sharply criticized the Board for clinging to a failed
activismweekly

13D weekly report - December 08, 2025 to December 12, 2025

Table of content Barington Pressures BILL Holdings, Inc (BILL) to Cut Costs and Weigh a Potential Sale Key Summary: On
activistcompany

Praesidium Investment Management Company stated that it was pleased with the performance of Resideo Technologies (REZI)