Mark B. Johnson

Mark B. Johnson appears in our data through filings on DNOW Inc. shares, published by SEC (Form 4). In total, 38 filings cover trades dated from 20 February 2018 to 10 August 2026.

Sales make up the whole of the open-market record (4 sales, €2.2M). The rest of the record consists of 31 share grants and 3 option exercises. 2026 to date brings no purchases and 3 sales.

The record was last updated on 12 August 2026 with an option exercise (€181k) in DNOW Inc. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. Section 16 rules allow two business days to file each Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.