Who
Mark B. Johnson
Officer
Company insider
Files Form 4 as: Chief Accounting Officer, Dnow.
In numbers
- Trades disclosed
- 56
- Buys
- 0
- Sells
- 2
- Bought
- $0
- Sold
- $4.4M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 20 Feb 2018
- Last trade
- 10 Aug 2026
- Last filed
- 12 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 10 Aug 2026filed 12 Aug 2026 | DNOW DnowMachinery | SEC FORM 4 Code M | $210K21,985 at $9.53 | filing |
| 10 Aug 2026filed 12 Aug 2026 | DNOW DnowMachinery | SEC FORM 4 Sold | $369K21,985 at $16.79 | filing |
| 10 Aug 2026filed 12 Aug 2026 | DNOW DnowMachinery | SEC FORM 4 Code M | $515K50,181 at $10.26 | filing |
| 10 Aug 2026filed 12 Aug 2026 | DNOW Dnowoption or derivative · Machinery | SEC FORM 4 Code M | —21,985 at $0.00 | filing |
| 10 Aug 2026filed 12 Aug 2026 | DNOW Dnowoption or derivative · Machinery | SEC FORM 4 Code M | —50,181 at $0.00 | filing |
| 10 Aug 2026filed 12 Aug 2026 | DNOW DnowMachinery | SEC FORM 4 Sold | $843K50,181 at $16.79 | filing |
| 10 Aug 2026filed 12 Aug 2026 | DNOW DnowMachinery | SEC FORM 4 Sold | $683K40,675 at $16.79 | filing |
| 10 Aug 2026filed 12 Aug 2026 | DNOW Dnowoption or derivative · Machinery | SEC FORM 4 Code M | —21,985 at $0.00 | filing |
| 10 Aug 2026filed 12 Aug 2026 | DNOW Dnowoption or derivative · Machinery | SEC FORM 4 Code M | —50,181 at $0.00 | filing |
| 10 Aug 2026filed 12 Aug 2026 | DNOW DnowMachinery | SEC FORM 4 Code M | $210K21,985 at $9.53 | filing |
| 10 Aug 2026filed 12 Aug 2026 | DNOW DnowMachinery | SEC FORM 4 Sold | $369K21,985 at $16.79 | filing |
| 10 Aug 2026filed 12 Aug 2026 | DNOW DnowMachinery | SEC FORM 4 Code M | $515K50,181 at $10.26 | filing |
| 10 Aug 2026filed 12 Aug 2026 | DNOW DnowMachinery | SEC FORM 4 Sold | $843K50,181 at $16.79 | filing |
| 10 Aug 2026filed 12 Aug 2026 | DNOW DnowMachinery | SEC FORM 4 Sold | $683K40,675 at $16.79 | filing |
| 23 Feb 2026filed 25 Feb 2026 | DNOW DnowMachinery | SEC FORM 4 Code A | —61,674 at $0.00 | filing |
| 23 Feb 2026filed 25 Feb 2026 | DNOW DnowMachinery | SEC FORM 4 Code A | —61,674 at $0.00 | filing |
| 20 Feb 2026filed 24 Feb 2026 | DNOW DnowMachinery | SEC FORM 4 Code F | $162K12,264 at $13.23 | filing |
| 20 Feb 2026filed 24 Feb 2026 | DNOW DnowMachinery | SEC FORM 4 Code A | —20,999 | filing |
| 20 Feb 2026filed 24 Feb 2026 | DNOW DnowMachinery | SEC FORM 4 Code F | $109K8,264 at $13.23 | filing |
| 20 Feb 2026filed 24 Feb 2026 | DNOW DnowMachinery | SEC FORM 4 Code F | $162K12,264 at $13.23 | filing |
News
Head-To-Head Comparison: Global Industrial (NYSE:GIC) and DNOW (NYSE:DNOW)DNOW · dailypolitical.com · 12 Oct 2026
0 headlines in the last 90 days name Mark B. Johnson; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.