Johnson Mark B
See Remarks
Johnson Mark B has filed 3 SEC Form 4 filings (9 transaction rows) across 1 company, with disclosures dating back to 2026. 3 of those filings fall inside the rolling window. Most recent filing: Aug 12, 2026.
On the most recent filing, Johnson Mark B is listed as See Remarks at DNOW Inc. Inside the rolling window, Johnson Mark B reported no open-market purchases and 1 open-market sale totaling $1.9M in DNOW.
Companies traded
Other insiders at DNOW
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$1.9M
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Johnson Mark B made?
Johnson Mark B has filed 3 SEC Form 4 filings (9 transaction rows) across 1 company since 2026.
Which companies does Johnson Mark B trade?
Johnson Mark B has filed SEC Form 4 disclosures for 1 company, including DNOW.
When was Johnson Mark B's most recent SEC Form 4 filing?
Johnson Mark B's most recent SEC Form 4 filing on Tracefour is dated Aug 12, 2026.
What is Johnson Mark B's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Johnson Mark B is listed as See Remarks.
What is Johnson Mark B's total buy and sell value in the current window?
Inside the rolling retention window, Johnson Mark B bought $0 and sold $1.9M based on SEC Form 4 filings.
What was Johnson Mark B's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 112,841 DNOW shares on 2026-08-10, worth $1.9M, per SEC Form 4 filings.