Ticker research · released through 2026-09-20
Which members of Congress bought Exponent ($EXPO)?
As of 2026-09-27, 3 members of Congress disclosed buying Exponent (EXPO) in CopyGov's publicly released record. The most recent published buy was attributed to Lisa McClain on 2025-09-12; its modeled entry was 2025-09-15. Copying at the first close after publication returned -6.1% to 2026-09-25, or -24.2 points versus SPY.
Members with disclosed buys
Lisa McClain
2 released EXPO buys ↗Jefferson Shreve
2 released EXPO buys ↗Greg Gianforte
1 released EXPO buys ↗Disclosure-by-disclosure copy returns
| Member | Published | Modeled entry | Copy return to 2026-09-25 | SPY same dates | Original PTR |
|---|---|---|---|---|---|
| Lisa McClain | 2025-09-12 | 2025-09-15 | -6.1% · $-61 per $1,000 | +18.1% · -24.2 pts excess | Official source ↗ |
| Lisa McClain | 2025-09-12 | 2025-09-15 | -6.1% · $-61 per $1,000 | +18.1% · -24.2 pts excess | Official source ↗ |
| Jefferson Shreve | 2025-04-11 | 2025-04-14 | -18.8% · $-188 per $1,000 | +45.2% · -64.0 pts excess | Official source ↗ |
| Jefferson Shreve | 2025-03-09 | 2025-03-10 | -21.8% · $-218 per $1,000 | +40.0% · -61.9 pts excess | Official source ↗ |
| Greg Gianforte | 2019-12-31 | 2020-01-02 | -0.7% · $-7 per $1,000 | +160.6% · -161.3 pts excess | Official source ↗ |
Common questions
Who in Congress bought EXPO?
Lisa McClain, Jefferson Shreve, Greg Gianforte have publicly released EXPO purchase signals in CopyGov through 2026-09-20. Each row below links to its original filing.
When did Pelosi buy EXPO?
No Pelosi-household EXPO purchase is currently in CopyGov's released record through 2026-09-20.
What would copying have returned?
For the latest released EXPO buy, copying at the first close after publication returned -6.1% to 2026-09-25, compared with +18.1% for SPY over the same dates. The excess was -24.2 percentage points after 10 basis points per side.
The model enters at the first completed close after publication, not the original trade price, assumes 10 basis points per side, and ignores later sales. Verify ownership and amounts in the original PTR. Past outcomes are not forecasts.
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