West L.A.’s Caltius Equity Partners announced last Friday that it had made an investment in MC Sign Co., a Mentor, Ohio, sign and lighting repair and maintenance company. Terms were not disclosed.

Gores Group of Beverly Hills announced Monday that it completed the sale of immunotherapy firm Therakos Inc. to Irish specialty pharmaceuticals company Mallinckrodt for about $1.33 billion. Gores acquired Therakos, based in West Chester, Pa., from a subsidiary of New Brunswick, N.J., health care giant Johnson & Johnson in 2012.

Flat-panel mounting hardware company Innovative Office Products, a portfolio company of West L.A. firm Corridor Capital, announced Thursday that it had acquired fellow monitor mounting firm Ergotech Group in Elmsford, N.Y. The majority of Ergotech’s operations will be consolidated at Innovative’s Easton, Pa., headquarters facility. Terms were not disclosed.