Bought $26K of TSM

Lipen Yuan reported this trade on Aug 20, 2026, 2 days after the trade date of Aug 18, 2026.

Aug 18

Bought TSM

$26K

Aug 20

Reported

Insider filing

Company insiders have two business days to report.

Unusual compared with their history

Score 49 of 100, from 4 reasons.

Bought with their own money
Bought 350 shares at $73.58 on Aug 18, 2026, at the market price. It was not a stock award or an option.
+15
Not part of a pre-scheduled plan
Insiders can set up trades months ahead (a 10b5-1 plan). The filing dated Aug 20, 2026 does not mark this trade as one of those.
+12
A member of Congress traded TSM 6 days earlier
Rep. Rick W. Allen reported a purchase of TSM dated Aug 12, 2026; this trade is dated Aug 18, 2026.
Rep. Rick W. Allen's filing
+12
Added 21% to their holding
The filing shows their holding going from 1,650 to 2,000 shares.
+10

A flag means a trade differs from this person's usual pattern. It is not evidence of wrongdoing.