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TSM SEC Filing News — Taiwan Semiconductor Manufacturing Company Limited

Latest SEC filings for Taiwan Semiconductor Manufacturing Company Limited (TSM) explained in plain English: insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). Sourced directly from SEC EDGAR.

What you’re looking at: Each item below is parsed from an actual SEC filing. Form 4 = confirmed insider transaction · Form 144 = proposed sale notice · 8-K = material event (earnings, M&A, leadership change, etc.) · 10-Q / 10-K = quarterly / annual report.
Form 4 Insider Buying 2026-04-13

TSM insider Yoo Chue-San (VP) bought 65 shares (~$3.8K)

Yoo Chue-San, listed as VP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 65 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Yoo Chue-San (VP) Shares: 65 Est. Value: $3.8K
Form 4 Insider Buying 2026-04-13

TSM insider Yuan Lipen (VP) bought 52 shares (~$3.0K)

Yuan Lipen, listed as VP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 52 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Yuan Lipen (VP) Shares: 52 Est. Value: $3.0K
Form 4 Insider Buying 2026-04-13

TSM insider Zhang Kevin Xiaoqiang (SVP and Deputy Co-COO) bought 79 shares (~$4.6K)

Zhang Kevin Xiaoqiang, listed as SVP and Deputy Co-COO at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 79 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Zhang Kevin Xiaoqiang (SVP and Deputy Co-COO) Shares: 79 Est. Value: $4.6K
Form 4 Insider Buying 2026-04-13

TSM insider Tien Bor-Zen (VP) bought 62 shares (~$3.6K)

Tien Bor-Zen, listed as VP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 62 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Tien Bor-Zen (VP) Shares: 62 Est. Value: $3.6K
Form 4 Insider Buying 2026-04-13

TSM insider Wang Ying-Lang (SVP) bought 69 shares (~$4.0K)

Wang Ying-Lang, listed as SVP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 69 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Wang Ying-Lang (SVP) Shares: 69 Est. Value: $4.0K
Form 4 Insider Buying 2026-04-13

TSM insider Yeap Choh Fei (SVP) bought 68 shares (~$3.9K)

Yeap Choh Fei, listed as SVP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 68 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Yeap Choh Fei (SVP) Shares: 68 Est. Value: $3.9K
Form 4 Insider Buying 2026-04-13

TSM insider Wu Shien-Yang (SVP) bought 71 shares (~$4.1K)

Wu Shien-Yang, listed as SVP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 71 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Wu Shien-Yang (SVP) Shares: 71 Est. Value: $4.1K
Form 4 Insider Buying 2026-04-13

TSM insider Wei Che-Chia (Director, Chairman and CEO) bought 186 shares (~$10.8K)

Wei Che-Chia, listed as Director, Chairman and CEO at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 186 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Wei Che-Chia (Director, Chairman and CEO) Shares: 186 Est. Value: $10.8K
Form 4 Insider Buying 2026-04-13

TSM insider Liaw Yung-Haw (VP) bought 61 shares (~$3.5K)

Liaw Yung-Haw, listed as VP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 61 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Liaw Yung-Haw (VP) Shares: 61 Est. Value: $3.5K
Form 4 Insider Buying 2026-04-13

TSM insider Lu Lee-Chung (VP) bought 65 shares (~$3.8K)

Lu Lee-Chung, listed as VP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 65 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Lu Lee-Chung (VP) Shares: 65 Est. Value: $3.8K
Form 4 Insider Buying 2026-04-13

TSM insider Mii Yuh-Jier (EVP and Co-COO) bought 88 shares (~$5.1K)

Mii Yuh-Jier, listed as EVP and Co-COO at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 88 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Mii Yuh-Jier (EVP and Co-COO) Shares: 88 Est. Value: $5.1K
Form 4 Insider Buying 2026-04-13

TSM insider Lin Shyue-Shyh (VP) bought 58 shares (~$3.4K)

Lin Shyue-Shyh, listed as VP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 58 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Lin Shyue-Shyh (VP) Shares: 58 Est. Value: $3.4K
Form 4 Insider Buying 2026-04-13

TSM insider Lin Chris Horng-Dar (VP and CIO) bought 60 shares (~$3.5K)

Lin Chris Horng-Dar, listed as VP and CIO at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 60 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Lin Chris Horng-Dar (VP and CIO) Shares: 60 Est. Value: $3.5K
Form 4 Insider Buying 2026-04-13

TSM insider Hsu Kuo-Chin (VP) bought 66 shares (~$3.8K)

Hsu Kuo-Chin, listed as VP at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 66 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Hsu Kuo-Chin (VP) Shares: 66 Est. Value: $3.8K
Form 4 Insider Buying 2026-04-13

TSM insider Huang Jen-Chau (SVP and CFO) bought 37 shares (~$2.1K)

Huang Jen-Chau, listed as SVP and CFO at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD, reported an open-market purchase of 37 TSM shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.

Filing: Form 4 (Insider Transaction) Insider: Huang Jen-Chau (SVP and CFO) Shares: 37 Est. Value: $2.1K
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