Marianne Catherine Brown - Sep 30, 2025 Form 4 Insider Report for INTERNATIONAL BUSINESS MACHINES CORP (IBM)

Role
Director
Signature
L. Mallardi on behalf of M. Brown
Stock symbol
IBM
Transactions as of
Sep 30, 2025
Transactions value $
$91,420
Form type
4
Date filed
10/1/2025, 05:19 PM
Previous filing
Jul 3, 2025
Next filing
Oct 3, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Brown Marianne Catherine Director C/O SECRETARY'S OFFICE, IBM CORPORATION, ONE NEW ORCHARD ROAD, ARMONK L. Mallardi on behalf of M. Brown 2025-10-01 0001804183

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 Promised Fee Share Award $91.4K +324 +12.35% $282.16 2.95K Sep 30, 2025 Common Stock 324 $0.00 Direct F1, F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Promised Fee Shares under the IBM Board of Directors Deferred Compensation and Equity Award Plan are paid out after retirement in the company's common stock or cash.
F2 Deferral of fees into Promised Fee Shares under the terms of the IBM Board of Directors Deferred Compensation and Equity Award Plan.
F3 Distribution of Promised Fee Shares under the IBM Board of Directors Deferred Compensation and Equity Award Plan is deferred until retirement.