Latest filing published 08 Oct 2026 for TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, €3,247.
Filing timeline
BuySaleInsider track record
Closed purchases
Not enough history yet: 0 closed purchases, at least 2 are needed.
Purchases by company
Since each purchase
- +11.9%Entry US$422.06 · Close 07 Oct 2026 US$472.20
- +8.8%Entry US$434.11 · Close 07 Oct 2026 US$472.20
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Yao-Ching Ku: trading record in brief
This profile gathers the share dealings of Yao-Ching Ku in Taiwan Semiconductor Manufacturing Co Ltd. In total, 4 filings cover trades dated from 7 July 2026 to 7 October 2026.
Every open-market trade on record is a purchase: 4 purchases worth €12k, and no sale. Unlike grants, an open-market purchase is paid for by the insider, at the market price.
In size, the median ticket on the buying side is €3,081. Relative to company size, the median is 0.0000% of market cap (4 purchases with a known value). 3 out of 3 purchases came within 30 days of a purchase by at least one other insider of the same company. Such overlaps are known as a cluster signal: distinct people reaching the same decision at about the same time.
The latest filing, published on 8 October 2026, reports an open-market purchase of €3,247 in Taiwan Semiconductor Manufacturing Co Ltd. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. US insiders must file a Form 4 within two business days of a trade. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Companies and markets linked to Yao-Ching Ku
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
- 46 shares@ US$79.39Common Shares (2330.TW)SEC:0001046179-26-000696:0Canonical exit: 5 Jan 2027 (T+90)
- 47 shares@ US$76.200.0000% mcap33.7% of flowCommon Shares (2330.TW)SEC:0001046179-26-000622:0Canonical exit: 6 Dec 2026 (T+90)
- 47 shares@ US$73.310.0000% mcap32.7% of flowCommon Shares (2330.TW)SEC:0001046179-26-000499:0Canonical exit: 5 Nov 2026 (T+90)
- 46 shares@ US$76.620.0000% mcap33.6% of flowCommon Shares (2330.TW)SEC:0001046179-26-000442:0Canonical exit: 5 Oct 2026 (T+90)
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