Insider Trading Activity

Real-time insider buys and sells from SEC Form 4 filings. Officers, directors, and 10% owners must disclose trades within 2 business days.

Form 4 - Latest: May 19, 2026

109,730 trades matching "CNTA"

Chuang Tzu-Sou

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Sell

200,000 sh$14M

Filed 2026-05-19

Tien Bor-Zen

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Buy

1,000 sh$69,830

Filed 2026-05-19

Tien Bor-Zen

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Buy

1,000 sh$69,980

Filed 2026-05-19

DONEGAL MUTUAL INSURANCE CO

10% Owner

DONEGAL GROUP INC

Buy

8,500 sh$147,304

Filed 2026-05-19

Saba Capital Management, L.P.

10% Owner

HIGHLAND OPPORTUNITIES & INCOME FUND

Buy

16,100 sh$99,498

Filed 2026-05-19

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		Title	Role					Post-Trade
2026-05-19	Chuang Tzu-Sou	VP	Officer	TSM	Sell	200,000	$14M	2,495,165
2026-05-19	Tien Bor-Zen	VP	Officer	TSM	Buy	1,000	$69,830	11,051
2026-05-19	Tien Bor-Zen	VP	Officer	TSM	Buy	1,000	$69,980	10,051
2026-05-19	DONEGAL MUTUAL INSURANCE CO	—	10% Owner	DGICA	Buy	8,500	$147,304	14,022,281
2026-05-19	Saba Capital Management, L.P.	—	10% Owner	HFRO	Buy	16,100	$99,498	5,574,310
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Data sourced from SEC EDGAR Form 4 filings. Not financial advice. Full disclaimer