In a just published Form 13, filed with the US Securities and Exchange Commission (SEC), Castlight Health Inc. (NYSE:CSLT) reported that Venrock Associates Vi, L.p. has picked up 20,783,255 of common stock as of 2017-04-12.

The acquisition brings the aggregate amount owned by Venrock Associates Vi, L.p. to a total of 20,783,255 representing a 22.2% stake in the company.

For those not familiar with the company, Castlight Health, Inc. offers a health benefits platform that engages employees to make healthcare decisions, and enables employers to communicate and measure their benefit programs. The Company operates through cloud-based products segment. Its technology offering aggregates data and applies analytics to make healthcare data transparent. Its products deliver employee engagement and enable employers to integrate benefit programs into a single platform available to employees and their families. Its health benefits platform engages external data and its substantial user base to provide a single, end-to-end solution that engages employees through personalized and relevant communications. Its offering provides employers the opportunity to communicate, measure, and get value out of their benefits and programs on a real-time basis. It offers cross-sell products, such as Castlight Action, Castlight Pharmacy, Castlight Dental, Castlight Elevate, Castlight Protect and Castlight Rewards.

A glance at Castlight Health Inc. (NYSE:CSLT)’s key stats reveals a current market capitalization of 442.79 Million based on 50.02 Million shares outstanding and a price at last close of $4.10 per share.

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

Specifically, on 2015-11-18, Roberts picked up 121,300 at a purchase price of $3.85. This brings their total holding to 1,256,730 as of the date of the filing.

On the sell side, the most recent transaction saw Nolan unload 270 shares at a sale price of $3.45. This brings their total holding to 33,149.

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 Castlight Health Inc. (NYSE:CSLT) as things move forward to see if its progress aligns with these transactions.

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