A newly filed Form 4 shows Matthew Wilks, a director at Flotek Industries Inc. (NYSE: FTK), made a substantial open-market purchase of company stock on September 11, 2026. The filing reports Wilks bought 1,319,493 shares at a price of $26.01 per share, a transaction valued at $34,320,012.93.
This was a straightforward open-market buy, meaning Wilks used his own funds to acquire the shares rather than receiving them through options, restricted stock awards, or other compensation-related mechanisms. Following the purchase, Wilks’ post-transaction stake stands at 1,477,285 shares, held indirectly through a trust or entity structure rather than in his own name.
What the Filing Shows
The size of this purchase is notable in dollar terms, placing it among the larger single-day insider buys tracked on this site. Because the shares are held indirectly, the beneficial ownership likely runs through a trust, holding company, or similar vehicle associated with Wilks rather than a personal brokerage account. Form 4 filings require this detail to be disclosed, giving outside observers a clearer picture of how insiders structure their holdings.
Our internal classification tags this filing simply as an open market buy — the most straightforward and, according to some academic research, the most statistically meaningful category of insider transaction. Studies on insider trading patterns have found that clusters of open-market purchases by company insiders, particularly directors and executives, tend to correlate with periods of subsequent outperformance relative to broader indices. That said, this correlation is a historical pattern observed across large datasets of filings, not a guarantee tied to any individual transaction, and it does not account for company-specific risks or market conditions that may follow any single disclosure.
Context for Readers
Form 4 filings are required whenever a company insider — defined by the SEC as an officer, director, or holder of more than 10% of a company’s stock — buys or sells shares. These disclosures are made public and are one of the few windows into how the people closest to a company’s operations are personally positioning themselves relative to their own stock. Whether an individual filing like this one reflects a broader view of the company’s prospects, a personal financial decision, or something else entirely is not something that can be determined from the filing alone.
Readers interested in following additional disclosures from Flotek Industries or other insiders at the company can track future Form 4 filings as they become publicly available through SEC databases.
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Source: original SEC Form 4 filing.