International Business Machines (IBM): Congress and insider trades
Who in Congress and inside the company traded IBM, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- International Business Machines (IBM) is a listed stock on NYSE.
- 26 members of Congress filed 72 buys and 51 sells of IBM, the latest published 2026-09-11 (11 September 2026).
- Insiders filed 0 open market buys worth $0 and 1 sell worth $5.8M, the latest filed 2026-08-28 (28 August 2026).
- Across 54 scored buys, Congress averaged +0.2% against the S&P 500 (SPY) over the 90 days after disclosure, with 50% of them ahead of the index. That result is not distinguishable from luck.
- Data as of 2026-09-29 (29 September 2026).
Congress buys 72 26 members
Congress sells 51
Insider buys 0 $0
Insider sells 1 $5.8M
Congress buys vs S&P, 90d +0.2% 54 scored buys
Insider buys vs S&P, 90d n/a 0 scored buys
Congress trades in IBM
as of 2026-09-11 Showing the latest 100 of 123.
| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 11 Sep 2026 | Gil Cisneros (D-CA) | buy | 1K–15K | 23 | n/a |
| 10 Sep 2026 | Maria Elvira Salazar (R-FL) | sell | 1K–15K | 16 | n/a |
| 7 Sep 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 32 | n/a |
| 7 Sep 2026 | Gil Cisneros (D-CA) | sell | 1K–15K | 49 | n/a |
| 7 Sep 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 25 | n/a |
| 12 Aug 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 18 | n/a |
| 12 Aug 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 31 | n/a |
| 11 Aug 2026 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 25 | n/a |
| 11 Aug 2026 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 26 | n/a |
| 21 Jul 2026 | Alan Armstrong (R-OK) | buy | 1K–15K | 116 | n/a |
| 8 Jul 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 6 | n/a |
| 8 Jul 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 34 | n/a |
| 7 Jul 2026 | Lloyd Doggett (D-TX) | buy | 1K–15K | 26 | n/a |
| 3 Jul 2026 | Gil Cisneros (D-CA) | buy | 15K–50K | 16 | n/a |
| 17 Jun 2026 | Matt Van Epps (R-TN) | sell | 1K–15K | 1 | n/a |
| 11 Jun 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 25 | n/a |
| 11 Jun 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 13 | -15.9% |
| 11 Jun 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 39 | n/a |
| 9 Jun 2026 | Gil Cisneros (D-CA) | sell | 15K–50K | 24 | n/a |
| 9 Jun 2026 | Maria Elvira Salazar (R-FL) | buy | 15K–50K | 18 | -20.0% |
| 20 May 2026 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 25 | n/a |
| 13 May 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 28 | +5.3% |
| 13 May 2026 | Ro Khanna (D-CA) | buy | 15K–50K | 17 | +5.3% |
| 11 May 2026 | Gil Cisneros (D-CA) | buy | 15K–50K | 24 | +3.6% |
| 10 Apr 2026 | Michael McCaul (R-TX) | buy | 15K–50K | 35 | +11.5% |
| 9 Apr 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 28 | +18.0% |
| 9 Apr 2026 | Ro Khanna (D-CA) | sell | 15K–50K | 15 | n/a |
| 9 Apr 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 8 | n/a |
| 8 Apr 2026 | Gil Cisneros (D-CA) | sell | 15K–50K | 25 | n/a |
| 8 Apr 2026 | Lloyd Doggett (D-TX) | buy | 1K–15K | 27 | +18.4% |
| 13 Mar 2026 | Jonathan Jackson (D-IL) | sell | 50K–100K | 23 | n/a |
| 13 Mar 2026 | Jonathan Jackson (D-IL) | sell | 1K–15K | 23 | n/a |
| 13 Mar 2026 | Julia Letlow (R-LA) | buy | 1K–15K | 38 | -1.1% |
| 12 Mar 2026 | Ro Khanna (D-CA) | sell | 15K–50K | 32 | n/a |
| 12 Mar 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 13 | +0.7% |
| 10 Mar 2026 | Gil Cisneros (D-CA) | sell | 1K–15K | 27 | n/a |
| 9 Mar 2026 | David Taylor (R-OH) | sell | 1K–15K | 8 | n/a |
| 9 Mar 2026 | David Taylor (R-OH) | sell | 15K–50K | 8 | n/a |
| 22 Jan 2026 | David Taylor (R-OH) | buy | 15K–50K | 13 | -23.6% |
| 22 Jan 2026 | David Taylor (R-OH) | buy | 1K–15K | 13 | -23.6% |
| 16 Jan 2026 | Julie Johnson (D-TX) | sell | 1K–15K | 28 | n/a |
| 14 Jan 2026 | Julia Letlow (R-LA) | buy | 1K–15K | 83 | -18.8% |
| 13 Jan 2026 | Gil Cisneros (D-CA) | buy | 1K–15K | 24 | -22.7% |
| 5 Jan 2026 | Lloyd Doggett (D-TX) | buy | 1K–15K | 21 | -13.5% |
| 16 Dec 2025 | Gil Cisneros (D-CA) | buy | 1K–15K | 27 | -15.3% |
| 16 Dec 2025 | Gil Cisneros (D-CA) | buy | 1K–15K | 33 | -15.3% |
| 12 Dec 2025 | Julie Johnson (D-TX) | sell | 1K–15K | 28 | n/a |
| 15 May 2025 | Ro Khanna (D-CA) | buy | 1K–15K | 19 | -19.4% |
| 10 Nov 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 37 | +12.6% |
| 9 Nov 2023 | Greg Stanton (D-AZ) | sell | 1K–15K | 16 | n/a |
| 9 Nov 2023 | Greg Stanton (D-AZ) | buy | 1K–15K | 44 | +11.3% |
| 6 Oct 2023 | Lloyd Doggett (D-TX) | buy | 1K–15K | 24 | +4.5% |
| 6 Sep 2023 | Pete Sessions (R-TX) | sell | 1K–15K | 18 | n/a |
| 12 Jul 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 15 | +10.8% |
| 12 Jul 2023 | Ro Khanna (D-CA) | buy | 15K–50K | 12 | +10.8% |
| 11 Jul 2023 | Lloyd Doggett (D-TX) | buy | 1K–15K | 27 | +10.4% |
| 23 Jun 2023 | Michael McCaul (R-TX) | sell | 100K–250K | 41 | n/a |
| 23 Jun 2023 | Michael McCaul (R-TX) | sell | 15K–50K | 41 | n/a |
| 14 Jun 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 24 | +5.8% |
| 14 Jun 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 20 | +5.8% |
| 10 May 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 28 | n/a |
| 24 Apr 2023 | Michael McCaul (R-TX) | buy | 1K–15K | 35 | +0.1% |
| 24 Apr 2023 | Michael McCaul (R-TX) | buy | 15K–50K | 35 | +0.1% |
| 12 Apr 2023 | Ro Khanna (D-CA) | buy | 15K–50K | 24 | -3.0% |
| 12 Apr 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 14 | n/a |
| 11 Apr 2023 | Lloyd Doggett (D-TX) | buy | 1K–15K | 28 | -2.8% |
| 10 Mar 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 26 | n/a |
| 20 Feb 2023 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 28 | n/a |
| 20 Feb 2023 | Josh Gottheimer (D-NJ) | buy | 1K–15K | 37 | -7.2% |
| 20 Feb 2023 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 17 | n/a |
| 6 Jan 2023 | Lloyd Doggett (D-TX) | buy | 1K–15K | 23 | -13.9% |
| 19 Dec 2022 | Josh Gottheimer (D-NJ) | buy | 1K–15K | 45 | -13.6% |
| 2 Nov 2022 | Lloyd Doggett (D-TX) | buy | 1K–15K | 50 | -9.6% |
| 21 Sep 2022 | Michael McCaul (R-TX) | buy | 50K–100K | 25 | +11.1% |
| 21 Sep 2022 | Michael McCaul (R-TX) | buy | 15K–50K | 25 | +11.1% |
| 9 Sep 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 16 | n/a |
| 30 Aug 2022 | Josh Gottheimer (D-NJ) | buy | 1K–15K | 41 | +15.0% |
| 15 Jul 2022 | Shelley Moore Capito (R-WV) | sell | 1K–15K | 28 | n/a |
| 12 Jul 2022 | Lloyd Doggett (D-TX) | buy | 1K–15K | 31 | -7.9% |
| 17 Jun 2022 | Josh Gottheimer (D-NJ) | buy | 1K–15K | 21 | -10.2% |
| 15 Jun 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 36 | -12.8% |
| 6 Jun 2022 | Earl Blumenauer (D-OR) | buy | 15K–50K | 11 | -4.1% |
| 12 May 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 25 | -4.5% |
| 11 Apr 2022 | Lloyd Doggett (D-TX) | buy | 1K–15K | 29 | +25.2% |
| 21 Mar 2022 | Michael McCaul (R-TX) | sell | 15K–50K | 42 | n/a |
| 21 Mar 2022 | Michael McCaul (R-TX) | sell | 100K–250K | 42 | n/a |
| 11 Mar 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 19 | +17.4% |
| 24 Feb 2022 | Michael McCaul (R-TX) | sell | 15K–50K | 26 | n/a |
| 24 Feb 2022 | Michael McCaul (R-TX) | sell | 15K–50K | 26 | n/a |
| 14 Feb 2022 | Tommy Tuberville (R-AL) | buy | 1K–15K | 33 | +15.2% |
| 9 Feb 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 18 | n/a |
| 11 Jan 2022 | Lloyd Doggett (D-TX) | buy | 1K–15K | 31 | +2.1% |
| 10 Jan 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 31 | +2.3% |
| 8 Jan 2022 | Gary Peters (D-MI) | buy | 1K–15K | 5 | -0.7% |
| 18 Dec 2021 | Peter Welch (D-VT) | sell | 1K–15K | 21 | n/a |
| 8 Dec 2021 | Ro Khanna (D-CA) | sell | 15K–50K | 35 | n/a |
| 8 Dec 2021 | Ro Khanna (D-CA) | buy | 15K–50K | 28 | +11.4% |
| 23 Nov 2021 | Michael McCaul (R-TX) | buy | 50K–100K | 49 | +15.6% |
| 23 Nov 2021 | Michael McCaul (R-TX) | buy | 100K–250K | 49 | +15.6% |
| 19 Nov 2021 | Kim Schrier (D-WA) | sell | 1K–15K | 21 | n/a |
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Insider trades in IBM
as of 2026-08-28| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 28 Aug 2026 | Thomas Robert David | sell | 25,000 | $230.32 | $5.8M | n/a |
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Related pages
Frequently asked questions
Who has bought IBM?
72 Congress buys by 26 members and 0 insider buys are on file. The tables on this page list every one.
Did buying IBM after a disclosure beat the market?
Across 54 scored buys, Congress averaged +0.2% against the S&P 500 (SPY) over the 90 days after disclosure, with 50% of them ahead of the index. That result is not distinguishable from luck. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.