Walter J. Mostek, Jr.



One of the hallmarks of Walter Mostek’s 30-year career counseling clients on acquisitions and dispositions, corporate finance, compliance and general corporate representations is his close and enduring relationships with clients. Walter’s reputation for providing even, sound and practical legal solutions instills confidence in clients, which include domestic and international corporations, partnerships, limited liability companies and investors. He is a trusted adviser to businesses of all sizes, including small and mid-size companies, publicly and privately held.

Acquisitions and Dispositions

Walter represents buyers and sellers in mergers, strategic acquisitions and dispositions. He counsels clients on single and multiple-asset acquisitions and represents private equity investors in strategic and financial acquisitions. For example, Walter advised on the purchase of a manufacturer of commercial and architectural acoustic noise control products by a private equity investor.

Representative Experience

  • Handled the strategic acquisition of an environmental consulting company by a leading international engineering firm
  • Represented a public company in the strategic acquisition of a restaurant group
  • Counsel an international provider of wireless charging solutions in strategic relationships
  • Represented global provider of infrastructure engineering software in multiple strategic acquisitions of software providers
  • Represented manufacturer of commercial and architectural acoustic noise control products in sale to a private equity investor
  • Handled sale of assets to a strategic purchaser by a provider of litigation support services
  • Represented broker-dealer in the acquisition of a financial software provider

Regulatory Compliance and Capital Markets

Walter represents public companies in securities law compliance matters such as short-swing reporting and liability, as well as on filing, general disclosure and regulatory reporting obligations. He also represents corporations, partnerships and investors in private placements of equity, debt and convertible securities.

Representative Experience

  • Handling general securities compliance matters, including serving on the disclosure committee, for an S&P 500 apparel retailer
  • Represented a NYSE-listed supplier of weight and disease management products in securities compliance matters
  • Handled exchange of registered debt by a financial services company
  • Represented re-refiner of used or waste oil in preferred stock offering to an institutional investor
  • Represented lead investor in multiple rounds of private investment in a cloud technology company
  • Counseled real estate services start-up in multiple rounds of private investment

Corporate Governance

Walter counsels clients on corporate governance issues, such as board and committee structures, listing standards, governance policies and takeover defenses. He also is experienced in the formation of partnerships, corporate business structures and limited liability joint ventures.

Personal Interests

Walter enjoys cooking, photography and officiating at his daughter’s swim meets.


Bar Admissions

New York


University of Pennsylvania Law School
J.D. cum laude (1985)

Georgetown University
B.S.B.A. magna cum laude (1982)

Leadership & Community

Civic Activities

  • The Baldwin School — Finance Committee, 2019-present
  • The Montessori Children’s House of Valley Forge, Inc. — Board Member, 2001-07; Treasurer, 2001-04; and President, 2004-06
  • Open Space Commission for Schuylkill Township, 2007-15
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