SEC Form 4 · Updated Daily
IBM
— INTERNATIONAL BUSINESS MACHINES CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| KRISHNA ARVIND | Director | 374,708.28 | 2026-02-21 | M |
| PALMISANO SAMUEL J | Director | 285,617.2 | 2012-08-16 | G |
| Whitehurst James M | Director | 197,137.42 | 2021-06-08 | M |
| DONOFRIO NICHOLAS M | Director | 178,398.58 | 2008-05-08 | M |
| KAVANAUGH JAMES J | Officer | 176,833.91 | 2026-02-21 | M |
| MILLS STEVEN A | Director | 167,691.55 | 2015-12-31 | M |
| ELIX DOUGLAS T | Officer | 136,844 | 2008-05-08 | M |
| BROWDY MICHELLE H | Officer | 126,080.32 | 2024-06-08 | M |
| Daniels Michael E | Director | 125,389.75 | 2013-02-01 | A |
| COHN GARY D | Officer | 111,833.19 | 2026-02-21 | M |
| Schroeter Martin J | Officer | 106,282.79 | 2020-06-08 | M |
| HARRELD J BRUCE | Officer | 77,140.5 | 2008-07-24 | S |
| MOFFAT ROBERT W JR | Officer | 73,105.03 | 2009-08-05 | M |
| ZEITLER WILLIAM M | Officer | 69,518.7 | 2008-05-08 | M |
| LeBlanc Robert J. | Officer | 61,374.12 | 2016-08-09 | S |
| LOUGHRIDGE MARK | Officer | 59,604 | 2013-10-28 | M |
| Rosamilia Thomas W | Director | 57,718.87 | 2023-06-08 | M |
| LAMOREAUX NICKLE JACLYN | Officer | 57,572.34 | 2026-02-21 | M |
| IWATA JON C | Officer | 54,719.21 | 2016-11-15 | M |
| MACDONALD J RANDALL | Director | 54,063.67 | 2013-02-08 | S |
| Thomas Robert David | Officer | 47,800.35 | 2026-08-26 | S |
| KEVERIAN KENNETH M | Director | 46,547.76 | 2020-06-08 | M |
| Clementi Erich | Officer | 41,403 | 2019-03-01 | S |
| PICCIANO ROBERT J | Officer | 35,860.75 | 2016-08-31 | S |
| SANFORD LINDA S | Director | 34,935.82 | 2014-11-18 | G |
| Arnold Colleen F. | Director | 33,096.51 | 2016-02-01 | A |
| Bramante James P | Officer | 31,456.7 | 2013-02-27 | S |
| Gherson Diane J | Director | 30,596.8 | 2020-08-10 | S |
| TAUREL SIDNEY | Director | 28,798 | 2020-10-27 | P |
| KNIGHT CHARLES F | Director | 26,302.92 | 2006-02-09 | M |
| Weber Robert C | Officer | 25,536 | 2014-07-23 | G |
| Shaughnessy Timothy S | Officer | 24,291.32 | 2014-07-28 | S |
| HORN PAUL M | Officer | 24,198.72 | 2007-08-03 | S |
| NOTO LUCIO A | Director | 23,856.05 | 2008-07-30 | M |
| KELLY JOHN E III | Officer | 21,292 | 2020-11-18 | G |
| Rhodin Michael D. | Officer | 19,650.66 | 2016-11-03 | G |
| Fehring Nicolas A. | Officer | 16,577.663 | 2026-06-04 | G |
| Robinson Anne | Officer | 16,270.578 | 2026-07-01 | M |
| Del Bene Robert F | Officer | 14,552.78 | 2022-11-22 | S |
| GREENE JESSE J JR | Director | 14,031.3 | 2007-05-01 | M |
| Di Leo Allen Bruno V | Director | 13,379.75 | 2016-04-20 | S |
| Rometty Virginia M | Director | 12,716.51 | 2020-12-10 | G |
| BLACK CATHLEEN | Director | 12,000 | 2010-02-23 | M |
| Rosenberg Donald J | Officer | 11,513.92 | 2006-02-01 | A |
| CHENAULT KENNETH I | Director | 10,995 | 2016-02-16 | M |
| DORMANN JUERGEN | Director | 9,422 | 2007-04-25 | M |
| FARR DAVID N | Director | 9,258 | 2026-01-30 | P |
| MCNABB FREDERICK WILLIAM III | Director | 9,250 | 2020-10-28 | P |
| ZAMBRANO LORENZO H | Director | 8,000 | 2014-02-21 | M |
| OWENS JAMES W | Director | 6,000 | 2018-10-31 | P |
| Swedish Joseph | Director | 5,261 | 2020-10-30 | P |
| SPERO JOAN E | Director | 5,000 | 2016-02-09 | M |
| MAKIHARA MINORU | Director | 5,000 | 2008-02-28 | M |
| O DONNELL DANIEL E | Officer | 4,610.18 | 2007-07-25 | S |
| VEST CHARLES M | Director | 4,400 | 2006-04-26 | M |
| Gorsky Alex | Director | 4,232 | 2020-11-09 | P |
| van Kralingen Bridget A | Director | 4,146.55 | 2016-11-22 | S |
| ESKEW MICHAEL L | Director | 4,000 | 2016-02-29 | M |
| JACKSON SHIRLEY A | Director | 4,000 | 2011-01-26 | M |
| JETTER MARTIN | Officer | 3,796.96 | 2016-08-23 | S |
| WADDELL FREDERICK H | Director | 3,763 | 2020-10-28 | P |
| SUTULA STANLEY J III | Officer | 2,942.18 | 2016-06-09 | M |
| KERN R. FRANKLIN III | Officer | 2,884 | 2011-07-25 | S |
| LIVERIS ANDREW N | Director | 2,655 | 2020-11-02 | P |
| ZOLLAR ALFRED W | Director | 936 | 2024-11-13 | P |
| Brown Marianne Catherine | Director | 440 | 2023-12-12 | — |
| Miebach Michael | Director · Officer | 434 | 2026-02-25 | P |
| FIELDS MARK | Director | 400 | 2016-03-01 | — |
| HOWARD MICHELLE J | Director | 194 | 2026-02-25 | P |
| Laguarta Ramon | Director · Officer | 0 | 2026-03-01 | — |
| Adkins Rodney C | Director | 0 | 2014-02-10 | S |
| Pollack Martha E | Director | 0 | 2019-02-01 | — |
| VOSER PETER R. | Director | 0 | 2015-01-01 | — |
| MCNERNEY W JAMES JR | Director | 0 | 2009-10-26 | — |
| OLAYAN HUTHAM S | Director | 0 | 2016-01-01 | — |
| BRODY WILLIAM R MD PHD | Director | 0 | 2007-07-31 | — |
| BELDA ALAIN J P | Director | 0 | 2008-07-29 | — |
| Nishimuro Taizo | Director | 0 | 2008-09-22 | — |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-30 | Brown Marianne Catherine | Grant / award (derivative) | 415 | $219.93 | 4,460 |
| 2026-09-30 | Buberl Thomas | Grant / award (derivative) | 444 | $219.93 | 15,256 |
| 2026-09-30 | FARR DAVID N | Grant / award (derivative) | 268 | $219.93 | 23,782 |
| 2026-09-30 | ZOLLAR ALFRED W | Grant / award (derivative) | 415 | $219.93 | 10,427 |
| 2026-09-30 | VOSER PETER R. | Grant / award (derivative) | 455 | $219.93 | 33,290 |
| 2026-09-30 | Pollack Martha E | Grant / award (derivative) | 268 | $219.93 | 17,899 |
| 2026-09-30 | Miebach Michael | Grant / award (derivative) | 415 | $219.93 | 4,724 |
| 2026-09-30 | MCNABB FREDERICK WILLIAM III | Grant / award (derivative) | 415 | $219.93 | 17,053 |
| 2026-09-30 | LIVERIS ANDREW N | Grant / award (derivative) | 444 | $219.93 | 45,262 |
| 2026-09-30 | HOWARD MICHELLE J | Grant / award (derivative) | 291 | $219.93 | 17,050 |
| 2026-09-30 | Gorsky Alex | Grant / award (derivative) | 489 | $219.93 | 35,343 |
| 2026-09-30 | Laguarta Ramon | Grant / award (derivative) | 415 | $219.93 | 869 |
| 2026-08-27 | KRISHNA ARVIND | I (derivative) | 8,375.56 | $238.79 | 28,447.467 |
| 2026-08-26 | Thomas Robert David | Open-market sale | 25,000 | $230.32 | 47,800.35 |
| 2026-07-01 | Robinson Anne | Option exercise (derivative) | 1,412 | $0.00 | 2,824 |
| 2026-07-01 | Robinson Anne | Option exercise (derivative) | 5,883 | $0.00 | 5,884 |
| 2026-07-01 | Robinson Anne | Tax withholding | 781 | $286.73 | 13,647.578 |
| 2026-07-01 | Robinson Anne | Option exercise | 1,412 | $0.00 | 14,428.578 |
| 2026-07-01 | Robinson Anne | Tax withholding | 3,254 | $286.73 | 13,016.578 |
| 2026-07-01 | Robinson Anne | Option exercise | 5,883 | $0.00 | 16,270.578 |
| 2026-06-30 | Brown Marianne Catherine | Grant / award (derivative) | 325 | $281.21 | 4,016 |
| 2026-06-30 | Buberl Thomas | Grant / award (derivative) | 341 | $281.21 | 14,706 |
| 2026-06-30 | FARR DAVID N | Grant / award (derivative) | 209 | $281.21 | 23,346 |
| 2026-06-30 | Gorsky Alex | Grant / award (derivative) | 383 | $281.21 | 34,605 |
| 2026-06-30 | HOWARD MICHELLE J | Grant / award (derivative) | 228 | $281.21 | 16,639 |
| 2026-06-30 | LIVERIS ANDREW N | Grant / award (derivative) | 347 | $281.21 | 44,497 |
| 2026-06-30 | MCNABB FREDERICK WILLIAM III | Grant / award (derivative) | 325 | $281.21 | 16,518 |
| 2026-06-30 | Miebach Michael | Grant / award (derivative) | 325 | $281.21 | 4,278 |
| 2026-06-30 | Pollack Martha E | Grant / award (derivative) | 209 | $281.21 | 17,506 |
| 2026-06-30 | VOSER PETER R. | Grant / award (derivative) | 356 | $281.21 | 32,600 |
| 2026-06-30 | ZOLLAR ALFRED W | Grant / award (derivative) | 325 | $281.21 | 9,940 |
| 2026-06-30 | Laguarta Ramon | Grant / award (derivative) | 325 | $281.21 | 451 |
| 2026-06-04 | Fehring Nicolas A. | Gift | 400 | $0.00 | 16,577.663 |
| 2026-03-31 | Pollack Martha E | Grant / award (derivative) | 243 | $242.39 | 17,190 |
| 2026-03-31 | ZOLLAR ALFRED W | Grant / award (derivative) | 377 | $242.39 | 9,557 |
| 2026-03-31 | WADDELL FREDERICK H | Grant / award (derivative) | 403 | $242.39 | 23,571 |
| 2026-03-31 | VOSER PETER R. | Grant / award (derivative) | 413 | $242.39 | 32,045 |
| 2026-03-31 | Miebach Michael | Grant / award (derivative) | 377 | $242.39 | 3,929 |
| 2026-03-31 | MCNABB FREDERICK WILLIAM III | Grant / award (derivative) | 377 | $242.39 | 16,094 |
| 2026-03-31 | LIVERIS ANDREW N | Grant / award (derivative) | 403 | $242.39 | 43,878 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.