Updated Jul 16, 2026
Johnson Mark B is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.
Mark B. Johnson is associated with DNOW Inc., a company that provides supply chain solutions for the energy and industrial sectors. Specific details about his role or contributions are not widely documented.
| Role | Insider |
|---|---|
| Notability | 10/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-02-25 | DNOW | DNOW Inc. | A — Grant or award | 61.7K | $0.00 | |
| 2026-02-24 | DNOW | DNOW Inc. | F — Tax withholding / forfeiture | 8.3K | $13.23 | $109K |
| 2026-02-24 | DNOW | DNOW Inc. | A — Grant or award | 21.0K | — | |
| 2026-02-24 | DNOW | DNOW Inc. | F — Tax withholding / forfeiture | 12.3K | $13.23 | $162K |
Mark B. Johnson is associated with DNOW Inc., a company that provides supply chain solutions for the energy and industrial sectors. Specific details about his role or contributions are not widely documented.…
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live Johnson Mark B profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.