NIQ Global Intelligence (NIQ) was Smart Insider's stock pick of the week after the company's Chief Operating Officer Tracey Massey purchased $305,459 worth of company shares at $16.97 apiece on Sept. 5.

There are now five key operating officers showing confidence in the stock, Smart Insider said in a Tuesday note.

Chair and Chief Executive James Peck, Chief Technology Officer Mohit Kapoor, and Chief Strategy Officer Curtis Miller also bought $508,000, $251,000 and $170,000 worth of company shares, respectively, while Chief Accounting Officer Jamie Palm spent $105,000 on company shares when the firm went public on July 24, the note said.

The CEO, COO and accounting chief all have "large positions" in the stock before the recent purchases and are "likely under no pressure" to add to their ownership, the note said.

Smart Insider upgraded the stock to +1, or strong positive signal, from +N, or notable and positive signal, on Sept. 9.