Case file · Sep 13, 2023
Sen. Markwayne Mullin bought $AMAT
What Happened Next
$AMAT vs the S&P 500 from the trade date. A buy has an edge when the stock beats the market.
$AMAT · 30 days
−2.4%
S&P 500, same days
−3.0% +0.6 pts edge
$AMAT · 90 days
+9.0%
S&P 500, same days
+4.3% +4.7 pts edge
$AMAT · 180 days
+39.8%
S&P 500, same days
+15.4% +24.4 pts edge
Return
−20%0+20%+40%+60%
The Paper Trail
- $AMAT moved +9.0% in the 90 days after the buy, vs +4.3% for the S&P 500 — a 4.7-point edge
- 34 days before: Ro Khanna family and Tommy Tuberville dump semi equipment before BIS China export-rule update source
- $AMAT is a named recipient of CHIPS Act ($4.0B) source
- Trade date
- Sep 13, 2023
- Disclosed
- Oct 12, 2023 (29 days)
- Shuffle Score
- 12/100
- Filing
- Not linked
Markwayne Mullin's History in $AMAT
| Date | Type | Amount | Owner |
|---|---|---|---|
| Sep 13, 2023 | Buy | $15,001 - $50,000 | Joint |
| Oct 3, 2023 | Buy | $1,001 - $15,000 | Joint |
| Jan 2, 2024 | Buy | $15,001 - $50,000 | Joint |
| Dec 11, 2024 | Buy | $15,001 - $50,000 | Joint |
| Apr 8, 2025 | Sell | $50,001 - $100,000 | Joint |
| May 13, 2025 | Buy | $15,001 - $50,000 | Joint |
| Dec 29, 2025 | Buy | $15,001 - $50,000 | Joint |
Returns use split- and dividend-adjusted closes. Disclosures report ranges, not exact amounts. A well-timed trade is not evidence of wrongdoing. Methodology · Disclaimer