Case file · Mar 27, 2026
Sen. Alan Armstrong sold $ABT
What Happened Next
$ABT vs the S&P 500 from the trade date. A sale has an edge when the stock lags the market afterwards.
$ABT · 30 days
−10.2%
S&P 500, same days
+12.8% +23.0 pts edge
$ABT · 90 days
−9.8%
S&P 500, same days
+16.1% +25.9 pts edge
$ABT · 180 days
+0.9%
S&P 500, same days
+21.7% +20.8 pts edge
Return
−20%−10%0+10%+20%+30%+40%
The Paper Trail
- $ABT moved −9.8% in the 90 days after the sale, vs +16.1% for the S&P 500 — a 25.9-point edge
- Sits on the Senate Committee on Health, Education, Labor, and Pensions committee, which oversees the health care sector
- Disclosed 116 days after the sale — 71 days past the 45-day STOCK Act deadline
- Trade date
- Mar 27, 2026
- Disclosed
- Jul 22, 2026 (116 days)
- Shuffle Score
- 17/100
- Filing
- Not linked
Who Else Traded $ABT That Week
Other members of Congress with trades in the same stock within 7 days either side
| Politician | Date | Type | Amount |
|---|---|---|---|
| Ro Khanna Dem | Mar 23, 2026 | Buy | $15,001 - $50,000 |
| Laura Friedman Dem | Mar 24, 2026 | Sell | $1,001 - $15,000 |
| Ro Khanna Dem | Mar 30, 2026 | Sell | $15,001 - $50,000 |
Returns use split- and dividend-adjusted closes. Disclosures report ranges, not exact amounts. A well-timed trade is not evidence of wrongdoing. Methodology · Disclaimer