Stock ledger
$TSM Insider Trading
Taiwan Semiconductor Manufacturing Company
20
Alerts Sent
-
Hit Rate Here
1
Insider Buys 30d
0
Insider Sells 30d
This page is InsiderWatch’s own record for TSM: every alert we sent on this stock, scored against real market prices, plus recent insider buying and selling reported to the SEC on Form 4.
Price and Our Alerts
$TSM price
Daily closing prices
3M change
-7.1%
1Y high
$477.57
1Y low
$264.87
Our alerts
20
in this window
Prices from public market data and may be delayed. Markers show the days our alerts on this stock fired. Not investment advice.
Our Alerts on $TSM
19 alerts on TSM sent and pending: awaiting the next market close before the result appears here.
| Sent (ET) | Call | Alert | Result |
|---|---|---|---|
| Aug 4, 7:04 AM | BULLISH | Insiders keep buying TSMC into a dip | not graded |
Every alert we sent on TSM is listed once scored, hits and misses alike. Result is the stock’s move from the alert to the graded exit of its catalyst window.
Recent Insider Activity
Open-market buys and sells in TSM by the company’s own officers, directors, and large holders, as reported to the SEC on Form 4 in roughly the last 30 days. New to the filing? Read what a Form 4 is and what the transaction codes mean.
Daily buy vs sell dollars
Open-market insider filings that passed the significance gates, last 30 days
Bought
$154K
30 days
Sold
$0
30 days
Net flow
+$154K
buying leads
Active days
1
with gated filings
| Filed (ET) | Insider | Action | Value |
|---|---|---|---|
| Sep 4 | Fang Shu-HuaSVP and GC | BUY | $154k |
| Aug 20 | Yuan LipenVice President | BUY | $174k |
| Aug 4 | Tien Bor-ZenVice President | BUY | $73k |
| Jul 30 | Tien Bor-ZenVice President | BUY | $74k |
| Jul 23 | Tien Bor-ZenVice President | BUY | $301k |
| Jul 22 | Lin Shyue-ShyhVice President | BUY | $147k |
| Jul 21 | Lin Shyue-ShyhVice President | BUY | $215k |
Sourced from public SEC Form 4 filings. Buys shown are open-market purchases; routine grants and plan sales are filtered out before a trade reaches this log.
Congress Trading in $TSM
Members of Congress who disclosed trades in TSM under the STOCK Act since we began tracking. Each name links to that member’s full page. Amounts are the disclosed ranges (see how the ranges work) and filings can arrive up to 45 days after the trade.
| Member | Action | Amount |
|---|---|---|
| Cleo FieldsHouse | BUY | $1,001 - $15,000 |
| Richard W. AllenHouse | BUY | $1,001 - $15,000 |
| Cleo FieldsHouse | BUY | $1,001 - $15,000 |
| Julia LetlowHouse | BUY | $1,001 - $15,000 |
| Richard W. AllenHouse | BUY | $1,001 - $15,000 |
| Gilbert CisnerosHouse | BUY | $1,001 - $15,000 |
| Gilbert CisnerosHouse | BUY | $100,001 - $250,000 |
| Cleo FieldsHouse | BUY | $1,001 - $15,000 |
| Gilbert CisnerosHouse | SELL | $1,001 - $15,000 |
Disclosed amounts are ranges. Filing and trade dates, who in the household traded, and full histories are part of the subscriber dashboard.
See the latest alerts across all stocks, the complete scored track record, this week’s insider buying, or the congress trading tracker.
Get the Next TSM Alert When It Fires.
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Try Free for 7 DaysPast performance is not indicative of future results. Directional scoring measures a catalyst-matched window on daily closing prices and does not reflect fees, slippage, taxes, or execution. InsiderWatch is an informational service based on publicly available information only and is not financial, investment, legal, or tax advice. Outcomes are scored automatically against public market data by our own systems and are not independently audited.