Robert David Thomas - 21 Feb 2026 Form 4 Insider Report for INTERNATIONAL BUSINESS MACHINES CORP (IBM)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
23 Feb 2026, 21:01:33 UTC
Prior SEC filing
19 Feb 2026
Next SEC filing
27 Feb 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
L. Mallardi on behalf of R. Thomas

Key filing fact

Robert David Thomas filed Form 4 for INTERNATIONAL BUSINESS MACHINES CORP (IBM) on 23 Feb 2026.

Key facts

  • This page summarizes Robert David Thomas's Form 4 filing for INTERNATIONAL BUSINESS MACHINES CORP (IBM).
  • 9 reported transactions and 3 derivative rows are listed below.
  • Accepted by SEC: 23 Feb 2026, 21:01.

Change

  • Previous filing in this sequence was filed on 19 Feb 2026.
  • Current net transaction value: -$1,090,554.

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

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002005007 Primary reporting owner

Thomas Robert David

Relationship
Senior Vice President
Address
IBM CORPORATION, ONE NEW ORCHARD ROAD, ARMONK
Signature
L. Mallardi on behalf of R. Thomas
Signature date
23 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

IBM transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+2,631
Change %
+3.8%
Price
$0.000000
Shares after
71,270
Date
21 Feb 2026
Ownership
Direct
IBM transaction

Common Stock

Tax liability

Transaction value
$340,782
Shares
-1,329
Change %
-1.9%
Price
$256.42
Shares after
69,941
Date
21 Feb 2026
Ownership
Direct
IBM transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+3,116
Change %
+4.5%
Price
$0.000000
Shares after
73,057
Date
21 Feb 2026
Ownership
Direct
IBM transaction

Common Stock

Tax liability

Transaction value
$403,862
Shares
-1,575
Change %
-2.2%
Price
$256.42
Shares after
71,482
Date
21 Feb 2026
Ownership
Direct
IBM transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+2,667
Change %
+3.7%
Price
$0.000000
Shares after
74,149
Date
21 Feb 2026
Ownership
Direct
IBM transaction

Common Stock

Tax liability

Transaction value
$345,911
Shares
-1,349
Change %
-1.8%
Price
$256.42
Shares after
72,800
Date
21 Feb 2026
Ownership
Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

IBM transaction Derivative

Rst. Stock Unit

Options Exercise

Transaction value
$0
Shares
-2,631
Change %
-100%
Price
$0.000000
Shares after
0
Date
21 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
2,631
Exercise price
$0.000000
Footnotes
F1, F2, F3
IBM transaction Derivative

Rst. Stock Unit

Options Exercise

Transaction value
$0
Shares
-3,116
Change %
-50%
Price
$0.000000
Shares after
3,116
Date
21 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
3,116
Exercise price
$0.000000
Footnotes
F2, F3, F4
IBM transaction Derivative

Rst. Stock Unit

Options Exercise

Transaction value
$0
Shares
-2,667
Change %
-33%
Price
$0.000000
Shares after
5,333
Date
21 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
2,667
Exercise price
$0.000000
Footnotes
F2, F3, F5
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

On 2/21/22, the reporting person was granted 10,515 RSUs, 2,628 of which vested on 2/21/23, 2,628 of which vested on 2/21/24, 2,628 of which vested on 2/21/25 and 2,631 of which vested on 2/21/26.

Footnote F2

These units were payable in cash or the company's common stock upon the lapse of the restrictions on the transaction date shown.

Footnote F3

Release of restricted stock units.

Footnote F4

On 2/21/23, the reporting person was granted 12,463 RSUs, 3,115 of which vested on 2/21/24, 3,116 of which vested on 2/21/25, 3,116 of which vested on 2/21/26 and 3,116 of which will vest on 2/21/27.

Footnote F5

On 2/21/24, the reporting person was granted 10,666 RSUs, 2,666 of which vested on 2/21/25, 2,667 of which vested on 2/21/26, 2,666 of which will vest on 2/21/27, and 2,667 of which will vest on 2/21/28.

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