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The shares are subject to a lock-up provision for a period of 180 days beginning on May 8, 2018, as required under a lock-up agreement with the underwriters of the initial public offering."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,466 shares held of record in an individual retirement account for the reporting person's benefit."}],"balance_after":210414,"source":{"system":"sec-edgar","filing":"0001628280-18-006594","document":"wf-form4_152598621593634.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1516912/000162828018006594/wf-form4_152598621593634.xml","form_type":"4"}}]}