The International Business Machines Corporation line shows up 198 times in the congressional disclosure record between 2011 and 2026, filed by 57 members: 130 purchases against 66 sales. On balance the chamber has been net buyers, and the purchases sit down 4.3% against the latest close.
*Purchases only, weighted by the midpoint of each disclosed dollar band and marked to the latest close. Filings report a range, never a share count, so this follows the stock rather than anyone's position size.
Reported a IBM purchase in filings from the last 90 days, newest first. 2 members.
Members ranked by how their reported IBM purchases have moved since, over roughly the last three years, weighted by disclosed band midpoint and marked to the latest close.
| Date | Member | Type | Amount | Est. price | Latest close | Return |
|---|---|---|---|---|---|---|
| 2015-12-10 | Lloyd Doggett | BUY | $1K–$15K | $130.76 | $235.59 2026-08-28 | +80.2% |
| 2015-12-07 | George Holding | SELL | $1K–$15K | $133.41 | $235.59 2026-08-28 | -76.6% exit |
| 2015-11-13 | K. Michael Conaway | BUY | $1K–$15K | $125.96 | $235.59 2026-08-28 | +87.0% |
| 2015-10-21 | Debbie Dingell | SELL | $1K–$15K | $134.72 | $235.59 2026-08-28 | -74.9% exit |
| 2015-09-11 | Lloyd Doggett | BUY | $1K–$15K | $140.89 | $235.59 2026-08-28 | +67.2% |
| 2015-07-27 | Jim Cooper | SELL | $15K–$50K | $152.07 | $235.59 2026-08-28 | -54.9% exit |
| 2015-06-10 | Lloyd Doggett | BUY | $1K–$15K | $161.49 | $235.59 2026-08-28 | +45.9% |
| 2015-06-04 | Alan S. Lowenthal | SELL | $15K–$50K | $160.98 | $235.59 2026-08-28 | +2.1% rt |
| 2015-04-24 | JOHN BOOZMAN | BUY | $1K–$15K | $162.31 | $235.59 2026-08-28 | +45.1% |
| 2015-03-10 | Lloyd Doggett | BUY | $1K–$15K | $150.87 | $235.59 2026-08-28 | +56.1% |
| 2015-02-24 | Alan S. Lowenthal | BUY | $15K–$50K | $157.58 | $235.59 2026-08-28 | +49.5% |
| 2014-12-16 | Bill Flores | BUY | $15K–$50K | $144.75 | $235.59 2026-08-28 | +62.8% |
| 2014-12-11 | Lloyd Doggett | BUY | $1K–$15K | $153.99 | $235.59 2026-08-28 | +53.0% |
| 2014-11-25 | Sheldon Whitehouse | SELL | $1K–$15K | $154.65 | $235.59 2026-08-28 | -52.3% exit |
| 2014-08-08 | Cory A Booker | SELL | $1K–$15K | $178.42 | $235.59 2026-08-28 | -32.0% exit |
| 2014-07-03 | Pat Roberts | SELL | $15K–$50K | $180.24 | $235.59 2026-08-28 | -30.7% exit |
| 2014-02-19 | John Hoeven | BUY | $50K–$100K | $174.90 | $235.59 2026-08-28 | +34.7% |
| 2013-01-14 | ELIZABETH WARREN | SELL | $1K–$15K | $184.15 | $235.59 2026-08-28 | -0.3% rt |
| 2013-01-14 | SUSAN M COLLINS | SELL | $1K–$15K | $184.15 | $235.59 2026-08-28 | -27.9% exit |
| 2013-01-07 | ELIZABETH WARREN | BUY | $1K–$15K | $184.65 | $235.59 2026-08-28 | +27.6% |
| 2011-02-27 | RICHARD M BURR | BUY | $1K–$15K | $155.14 | $235.59 2026-08-28 | +51.9% |
| 2011-02-27 | RICHARD BLUMENTHAL | BUY | $1K–$15K | $155.14 | $235.59 2026-08-28 | +51.9% |
| 2011-02-27 | RICHARD BLUMENTHAL | BUY | $1K–$15K | $155.14 | $235.59 2026-08-28 | +51.9% |
| 2011-02-27 | RICHARD M BURR | BUY | $1K–$15K | $155.14 | $235.59 2026-08-28 | +51.9% |
| 2011-02-27 | RICHARD BLUMENTHAL | BUY | $1K–$15K | $155.14 | $235.59 2026-08-28 | +51.9% |
| 2011-02-27 | THAD COCHRAN | BUY | $1K–$15K | $155.14 | $235.59 2026-08-28 | +51.9% |
| 2011-02-11 | ANGUS S KING | BUY | $1K–$15K | $156.64 | $235.59 2026-08-28 | +50.4% |
| 2011-02-11 | RICHARD BLUMENTHAL | BUY | $1K–$15K | $156.64 | $235.59 2026-08-28 | +50.4% |
| 2011-02-11 | RICHARD BLUMENTHAL | BUY | $1K–$15K | $156.64 | $235.59 2026-08-28 | +50.4% |
| 2011-02-01 | BENJAMIN L CARDIN | BUY | $1K–$15K | $156.37 | $235.59 2026-08-28 | +50.7% |
| 2011-02-01 | BENJAMIN L CARDIN | BUY | $1K–$15K | $156.37 | $235.59 2026-08-28 | +50.7% |
| 2011-02-01 | BENJAMIN L CARDIN | BUY | $1K–$15K | $156.37 | $235.59 2026-08-28 | +50.7% |
| 2011-02-01 | THOMAS R CARPER | BUY | $1K–$15K | $156.37 | $235.59 2026-08-28 | +50.7% |
| 2011-02-01 | RICHARD M BURR | BUY | $1K–$15K | $156.37 | $235.59 2026-08-28 | +50.7% |
| 2011-02-01 | MARK R WARNER | BUY | $1K–$15K | $156.37 | $235.59 2026-08-28 | +50.7% |
| 2011-02-01 | JOHN HOEVEN | BUY | $15K–$50K | $156.37 | $235.59 2026-08-28 | +50.7% |
| 2011-02-01 | RICHARD BLUMENTHAL | BUY | $1K–$15K | $156.37 | $235.59 2026-08-28 | +50.7% |
| 2011-02-01 | PATRICK J TOOMEY | exchange | $15K–$50K | $156.37 | $235.59 2026-08-28 | +50.7% |
| 2011-02-01 | RICHARD M BURR | BUY | $1K–$15K | $156.37 | $235.59 2026-08-28 | +50.7% |
| 2011-02-01 | RICHARD M BURR | BUY | $1K–$15K | $156.37 | $235.59 2026-08-28 | +50.7% |
| 2011-02-01 | RICHARD M BURR | BUY | $1K–$15K | $156.37 | $235.59 2026-08-28 | +50.7% |
| 2011-02-01 | RICHARD M BURR | BUY | $1K–$15K | $156.37 | $235.59 2026-08-28 | +50.7% |
| 2011-02-01 | RICHARD M BURR | BUY | $1K–$15K | $156.37 | $235.59 2026-08-28 | +50.7% |
| RICHARD M BURR | exchange | $1K–$15K | — | — | — | |
| SHELDON WHITEHOUSE | BUY | $1K–$15K | — | — | — | |
| JOHN BOOZMAN | BUY | $1K–$15K | — | — | — | |
| JOHN BOOZMAN | BUY | $1K–$15K | — | — | — | |
| JOHN BOOZMAN | BUY | $1K–$15K | — | — | — |
Buys are marked to the latest close and treated as open. A sell tagged rt closes an earlier disclosed buy in the same name. exit shows how the stock moved after the member sold.
57 members of the U.S. House and Senate have disclosed International Business Machines Corporation transactions under the STOCK Act — 130 purchases and 66 sales. The full member-by-member breakdown, with dates and dollar ranges, is in the table above.
2 members disclosed a IBM purchase in the last 90 days — most recently Gilbert Cisneros on 2026-06-16. See the "Lawmakers who bought IBM recently" section above for the dated list.
Notional-weighted, lawmakers' disclosed IBM buys are down 4.3% versus the latest close of $235.59. Each trade's own return — and realized round-trips on matched sells — is in the Return column.
Yes. Under the 2012 STOCK Act, members of Congress may buy and sell individual stocks but must publicly disclose each transaction within 45 days. Bargo surfaces those filings so you can see who traded IBM and how it performed.