$Powell Industries(POWL)$ 8-K - Current report Filed: 2015-12-31 AccNo: 0001193125-15-418363 Size: 36 KBItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain OfficersItem 7.01: Regulation FD DisclosureItem 9. 网页链接