In a just published Form 13, filed with the US Securities and Exchange Commission (SEC), Post Holdings Inc. (NYSE:POST) reported that Iridian Asset Management has picked up 3,822,599 of common stock as of 2017-02-02.

The acquisition brings the aggregate amount owned by Iridian Asset Management to a total of 3,822,599 representing a 5.9% stake in the company.

For those not familiar with the company, Post Holdings, Inc. is a consumer packaged goods holding company. The Company operates through four segments, namely, Post Consumer Brands, Michael Foods Group, Active Nutrition and Private Brands. The Company’s Post Consumer Brands segment includes the Post Foods branded ready-to-eat cereal operations and the business of MOM Brands. Its Michael Foods Group segment produces and distributes egg products, refrigerated potato products, cheese and other dairy case products, and pasta products. Its Private Brands segment manufactures and distributes organic and conventional private label peanut butter and other nut butters, baking nuts, raisins and other dried fruit, and trail mixes.

A glance at Post Holdings Inc. (NYSE:POST)’s key stats reveals a current market capitalization of 5.40 billion based on 64.63 million shares outstanding and a price at last close of $83.5 per share.

Looking at insider activity, there are a few transactions worth noting.

Specifically, on 2016-02-08, Stiritz picked up 20,000 at a purchase price of $63.87. This brings their total holding to 23,091 as of the date of the filing.

On the sell side, the most recent transaction saw Koulouris unload 21,942 shares at a sale price of $85.33. This brings their total holding to 28,334.

It’s possible to gauge a company’s potential by tracking the activity of its major holders, as well as checking in on insider activity such as those transactions listed above. We’ll be keeping an eye on Post Holdings Inc. (NYSE:POST) as things move forward to see if its progress aligns with these transactions.

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