Check out the companies making headlines after the bell on Monday:
Tableau Software gained more than 7 percent in extended trading following the company's appointment of Adam Selipsky as president and chief executive officer.
Selipsky's new role is effective September 16, while Tableau's co-founder and current CEO, Christian Chabot, will continue to serve as chairman of Tableau's board of directors.
Selipsky joins Tableau after spending more than 10 years building Amazon Web Services.
Zoe's Kitchen plunged more than 15 percent after hours following the company's second-quarter revenue miss and lowered sales guidance.
The Mediterranean restaurant chain reported second-quarter earnings of 8 cents per share on revenues of $66.3 million. Analysts expected earnings of 6 cents per share on revenues of $67.3 million, according to a Thomson Reuters consensus estimate.
Zoe's reported a 4 percent increase in comparable-restaurant sales for the second quarter, period-over-period. The company also lowered its 2016 outlook for restaurant sales growth to a range of 4 percent to 5 percent, compared to the prior range of 4.5 percent to 6 percent.
Premier fell more than 9 percent in extended trading after the company beat fourth-quarter revenue estimates, but missed on earnings estimates.
The health services company reported fourth-quarter adjusted earnings of 36 cents per share on revenues of $301.4 million. Analysts were expecting earnings of 38 cents per share on revenue of $300.3 million, according to a Thomson Reuters consensus estimate.
The company also updated its fiscal year 2017 guidance, providing EPS guidance of $1.71 to $1.82 for the period. Analysts estimated an EPS of $1.79, at the higher end of that range, according to a Thomson Reuters consensus estimate.
Nordson popped more than 2 percent in extended trading following the company's third-quarter earnings and revenue beat.
The dispensing equipment manufacturer reported third-quarter earnings of $1.47 per share on revenues of $484.9 million. Analysts expected earnings of $1.33 per share on revenues of $479.9 million, according to a Thomson Reuters consensus estimate.