Key facts
- This page summarizes Mark B. Johnson's Form 4 filing for DNOW Inc. (DNOW).
- 7 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 12 Aug 2026, 16:05.
Mark B. Johnson - 10 Aug 2026 Form 4 Insider Report for DNOW Inc. (DNOW)
- Reporting relationship
- Senior Vice President and Chief Financial Officer
- Issuer ticker
- DNOW
- Reported as of
- 10 Aug 2026
- Net transaction value
- -$1,894,600
- SEC form
- 4
- Accepted by SEC
- 12 Aug 2026, 16:05:03 UTC
- Prior SEC filing
- 25 Feb 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Raymond W. Chang, as attorney-in-fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Mark B. Johnson filed Form 4 for DNOW Inc. (DNOW) on 12 Aug 2026.
Change
- Previous filing in this sequence was filed on 25 Feb 2026.
- Current net transaction value: -$1,894,600.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001730024
Primary reporting owner
Johnson Mark B
- Relationship
- Senior Vice President and Chief Financial Officer
- Address
- 7402 NORTH ELDRIDGE PARKWAY, HOUSTON
- Signature
- /s/ Raymond W. Chang, as attorney-in-fact
- Signature date
- 12 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
DNOW
transaction
Common stock
Options Exercise
- Transaction value
- Shares
- +21,985
- Change %
- +7.6%
- Price
- $9.53*
- Shares after
- 312,205
- Date
- 10 Aug 2026
- Ownership
- Direct
DNOW
transaction
Common stock
Sale
- Transaction value
- $369,128
- Shares
- -21,985
- Change %
- -7%
- Price
- $16.79
- Shares after
- 290,220
- Date
- 10 Aug 2026
- Ownership
- Direct
DNOW
transaction
Common stock
Options Exercise
- Transaction value
- Shares
- +50,181
- Change %
- +17%
- Price
- $10.26*
- Shares after
- 340,401
- Date
- 10 Aug 2026
- Ownership
- Direct
DNOW
transaction
Common stock
Sale
- Transaction value
- $842,539
- Shares
- -50,181
- Change %
- -15%
- Price
- $16.79
- Shares after
- 290,220
- Date
- 10 Aug 2026
- Ownership
- Direct
DNOW
transaction
Common stock
Sale
- Transaction value
- $682,933
- Shares
- -40,675
- Change %
- -14%
- Price
- $16.79
- Shares after
- 249,545
- Date
- 10 Aug 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
DNOW
transaction
Derivative
Non-Qualified Stock Option (Right to Buy)
Options Exercise
- Transaction value
- Shares
- -21,985
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 10 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 21,985
- Exercise price
- $9.53
- Footnotes
- F1
DNOW
transaction
Derivative
Non-Qualified Stock Option (Right to Buy)
Options Exercise
- Transaction value
- Shares
- -50,181
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 10 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 50,181
- Exercise price
- $10.26
- Footnotes
- F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
Options vest in three (3) equal installments commencing on the date indicated.
Footnote F2
Options vest in three (3) equal installments commencing on the date indicated.
SEC remarks
Senior Vice President and Chief Financial Officer