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

Signature
L. Mallardi on behalf of R. Thomas
Issuer symbol
IBM
Transactions as of
21 Feb 2026
Net transactions value
-$1,090,554
Form type
4
Filing time
23 Feb 2026, 21:01:33 UTC
Previous filing
19 Feb 2026
Next filing
27 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Thomas Robert David Senior Vice President IBM CORPORATION, ONE NEW ORCHARD ROAD, ARMONK L. Mallardi on behalf of R. Thomas 23 Feb 2026 0002005007

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IBM Common Stock Options Exercise $0 +2,631 +3.8% $0.000000 71,270 21 Feb 2026 Direct
transaction IBM Common Stock Tax liability $340,782 -1,329 -1.9% $256.42 69,941 21 Feb 2026 Direct
transaction IBM Common Stock Options Exercise $0 +3,116 +4.5% $0.000000 73,057 21 Feb 2026 Direct
transaction IBM Common Stock Tax liability $403,862 -1,575 -2.2% $256.42 71,482 21 Feb 2026 Direct
transaction IBM Common Stock Options Exercise $0 +2,667 +3.7% $0.000000 74,149 21 Feb 2026 Direct
transaction IBM Common Stock Tax liability $345,911 -1,349 -1.8% $256.42 72,800 21 Feb 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction IBM Rst. Stock Unit Options Exercise $0 -2,631 -100% $0.000000 0 21 Feb 2026 Common Stock 2,631 $0.000000 Direct F1, F2, F3
transaction IBM Rst. Stock Unit Options Exercise $0 -3,116 -50% $0.000000 3,116 21 Feb 2026 Common Stock 3,116 $0.000000 Direct F2, F3, F4
transaction IBM Rst. Stock Unit Options Exercise $0 -2,667 -33% $0.000000 5,333 21 Feb 2026 Common Stock 2,667 $0.000000 Direct F2, F3, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.
F2 These units were payable in cash or the company's common stock upon the lapse of the restrictions on the transaction date shown.
F3 Release of restricted stock units.
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.
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.