Filing search / ChampionX Corporation / "Black"

10-K

2018 FY

CHX ChampionX Corporation

27 Feb 19

Annual report

9:29am

and performance share awards. The cost of such awards is measured at the grant date based on the fair value of the award. We used the Black-Scholes valuation … and the fair value of each SAR granted was estimated on the grant date using a Black-Scholes option-pricing model utilizing the following assumptions: Risk

424B3

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21 Nov 18

Prospectus supplement

10:29am

S-4

b2gy40

15 Nov 18

Registration of securities issued in business combination transactions

12:00am

10-12B/A

EX-99.1

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12 Apr 18

Registration of securities (amended)

12:00am

10-12B

EX-99.1

hkdt1

26 Mar 18

Registration of securities

12:00am