Ticker
TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Disclosed insider buying on file
$1,103,302across 48 purchases
Open-market purchases only — the amount is a fact, not a verdict.
On file here
Short positions0
Insider purchases48
Congress transactions13
Latest change20 AUG 2026
Insider purchases on file
SEC — Form 4 insider purchase
Yuan LipenVP
BOUGHTCommon Shares (2330.TW)
$74,500
1,000 sh @ $74.5
18 AUG 2026 → filed 20 AUG 2026
Filed 2 days after the tradeSEC EDGAR · 0001046179-26-000543 →SEC — Form 4 insider purchase
Yuan LipenVP
BOUGHTCommon Shares (2330.TW)
$25,753
350 sh @ $73.58
18 AUG 2026 → filed 20 AUG 2026
Filed 2 days after the tradeSEC EDGAR · 0001046179-26-000543 →SEC — Form 4 insider purchase
Yuan LipenVP
BOUGHTCommon Shares (2330.TW)
$73,770
1,000 sh @ $73.77
19 AUG 2026 → filed 20 AUG 2026
Filed 1 day after the tradeSEC EDGAR · 0001046179-26-000543 →SEC — Form 4 insider purchase
Lu Chin-ShengVP
BOUGHTCommon Shares (2330.TW)
$2,859
39 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000509 →SEC — Form 4 insider purchase
Chuang JuipingVP
BOUGHTCommon Shares (2330.TW)
$3,592
49 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000490 →SEC — Form 4 insider purchase
Lin Chris Horng-DarVP and CIO
BOUGHTCommon Shares (2330.TW)
$3,592
49 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000513 →SEC — Form 4 insider purchase
Chuang Tzu-SouVP
BOUGHTCommon Shares (2330.TW)
$3,446
47 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000492 →SEC — Form 4 insider purchase
Ku Yao-ChingVP
BOUGHTCommon Shares (2330.TW)
$3,446
47 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000499 →SEC — Form 4 insider purchase
Lin Shyue-ShyhVP
BOUGHTCommon Shares (2330.TW)
$3,446
47 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000511 →SEC — Form 4 insider purchase
Chen Pei-HungVP
BOUGHTCommon Shares (2330.TW)
$3,372
46 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000481 →SEC — Form 4 insider purchase
He JunVP
BOUGHTCommon Shares (2330.TW)
$3,372
46 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000493 →SEC — Form 4 insider purchase
Tien Bor-ZenVP
BOUGHTCommon Shares (2330.TW)
$3,079
42 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000519 →SEC — Form 4 insider purchase
Yuan LipenVP
BOUGHTCommon Shares (2330.TW)
$3,079
42 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000531 →SEC — Form 4 insider purchase
Wu Yi-HuangVP
BOUGHTCommon Shares (2330.TW)
$3,006
41 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000530 →SEC — Form 4 insider purchase
Hwang Yuan-KoVP
BOUGHTCommon Shares (2330.TW)
$2,932
40 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000500 →SEC — Form 4 insider purchase
Chen Chih-HoController
BOUGHTCommon Shares (2330.TW)
$2,419
33 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000482 →SEC — Form 4 insider purchase
Huang Jen-ChauSVP and CFO
BOUGHTCommon Shares (2330.TW)
$2,126
29 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000501 →SEC — Form 4 insider purchase
Tien Bor-ZenVP
BOUGHTCommon Shares (2330.TW)
$513
7 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000519 →SEC — Form 4 insider purchase
Wei Che-ChiaDirector / Chairman and CEO
BOUGHTCommon Shares (2330.TW)
$11,143
152 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000521 →SEC — Form 4 insider purchase
Chin Yung-PeiEVP and Co-COO
BOUGHTCommon Shares (2330.TW)
$5,278
72 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000479 →SEC — Form 4 insider purchase
Mii Yuh-JierEVP and Co-COO
BOUGHTCommon Shares (2330.TW)
$5,278
72 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000523 →SEC — Form 4 insider purchase
Hou Yung-ChinSVP and Deputy Co-COO
BOUGHTCommon Shares (2330.TW)
$4,619
63 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000491 →SEC — Form 4 insider purchase
Zhang Kevin XiaoqiangSVP and Deputy Co-COO
BOUGHTCommon Shares (2330.TW)
$4,619
63 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000532 →SEC — Form 4 insider purchase
Fang Shu-HuaSVP and GC
BOUGHTCommon Shares (2330.TW)
$4,179
57 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000489 →SEC — Form 4 insider purchase
Wu Shien-YangSVP
BOUGHTCommon Shares (2330.TW)
$4,179
57 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000520 →SEC — Form 4 insider purchase
Yeap Choh FeiSVP
BOUGHTCommon Shares (2330.TW)
$4,179
57 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000533 →SEC — Form 4 insider purchase
Cao MinVP
BOUGHTCommon Shares (2330.TW)
$4,032
55 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000480 →SEC — Form 4 insider purchase
Wang Ying-LangSVP
BOUGHTCommon Shares (2330.TW)
$4,032
55 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000522 →SEC — Form 4 insider purchase
Chang Tzonz-ShengSVP
BOUGHTCommon Shares (2330.TW)
$3,959
54 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000483 →SEC — Form 4 insider purchase
Hsu Kuo-ChinVP
BOUGHTCommon Shares (2330.TW)
$3,959
54 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000502 →SEC — Form 4 insider purchase
Lee Chun-HsienSVP
BOUGHTCommon Shares (2330.TW)
$3,959
54 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000510 →SEC — Form 4 insider purchase
Lu Lee-ChungVP
BOUGHTCommon Shares (2330.TW)
$3,812
52 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000512 →SEC — Form 4 insider purchase
Yoo Chue-SanVP
BOUGHTCommon Shares (2330.TW)
$3,739
51 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000529 →SEC — Form 4 insider purchase
Jang Syun-MingVP
BOUGHTCommon Shares (2330.TW)
$3,666
50 sh @ $73.31
07 AUG 2026 → filed 10 AUG 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000503 →SEC — Form 4 insider purchase
Tien Bor-ZenVP
BOUGHTCommon Shares (2330.TW)
$73,060
1,000 sh @ $73.06
03 AUG 2026 → filed 04 AUG 2026
Filed 1 day after the tradeSEC EDGAR · 0001046179-26-000465 →SEC — Form 4 insider purchase
Tien Bor-ZenVP
BOUGHTCommon Shares (2330.TW)
$67,970
1,000 sh @ $67.97
28 JUL 2026 → filed 30 JUL 2026
Filed 2 days after the tradeSEC EDGAR · 0001046179-26-000461 →SEC — Form 4 insider purchase
Tien Bor-ZenVP
BOUGHTAmerican Depositary Shares (TSM)
$3,900
10 sh @ $390
28 JUL 2026 → filed 30 JUL 2026
Filed 2 days after the tradeSEC EDGAR · 0001046179-26-000461 →SEC — Form 4 insider purchase
Tien Bor-ZenVP
BOUGHTAmerican Depositary Shares (TSM)
$1,950
5 sh @ $390
28 JUL 2026 → filed 30 JUL 2026
Filed 2 days after the tradeSEC EDGAR · 0001046179-26-000461 →SEC — Form 4 insider purchase
Tien Bor-ZenVP
BOUGHTCommon Shares (2330.TW)
$73,980
1,000 sh @ $73.98
21 JUL 2026 → filed 23 JUL 2026
Filed 2 days after the tradeSEC EDGAR · 0001046179-26-000457 →SEC — Form 4 insider purchase
Tien Bor-ZenVP
BOUGHTAmerican Depositary Shares (TSM)
$4,050
10 sh @ $405
20 JUL 2026 → filed 23 JUL 2026
Filed 3 days after the tradeSEC EDGAR · 0001046179-26-000457 →SEC — Form 4 insider purchase
Tien Bor-ZenVP
BOUGHTCommon Shares (2330.TW)
$74,750
1,000 sh @ $74.75
21 JUL 2026 → filed 23 JUL 2026
Filed 2 days after the tradeSEC EDGAR · 0001046179-26-000457 →SEC — Form 4 insider purchase
Tien Bor-ZenVP
BOUGHTCommon Shares (2330.TW)
$74,440
1,000 sh @ $74.44
21 JUL 2026 → filed 23 JUL 2026
Filed 2 days after the tradeSEC EDGAR · 0001046179-26-000457 →SEC — Form 4 insider purchase
Tien Bor-ZenVP
BOUGHTCommon Shares (2330.TW)
$74,130
1,000 sh @ $74.13
21 JUL 2026 → filed 23 JUL 2026
Filed 2 days after the tradeSEC EDGAR · 0001046179-26-000457 →SEC — Form 4 insider purchase
Lin Shyue-ShyhVP
BOUGHTCommon Shares (2330.TW)
$74,130
1,000 sh @ $74.13
21 JUL 2026 → filed 22 JUL 2026
Filed 1 day after the tradeSEC EDGAR · 0001046179-26-000455 →SEC — Form 4 insider purchase
Lin Shyue-ShyhVP
BOUGHTCommon Shares (2330.TW)
$72,650
1,000 sh @ $72.65
20 JUL 2026 → filed 22 JUL 2026
Filed 2 days after the tradeSEC EDGAR · 0001046179-26-000455 →SEC — Form 4 insider purchase
Lin Shyue-ShyhVP
BOUGHTCommon Shares (2330.TW)
$71,320
1,000 sh @ $71.32
19 JUL 2026 → filed 21 JUL 2026
Filed 2 days after the tradeSEC EDGAR · 0001046179-26-000453 →SEC — Form 4 insider purchase
Lin Shyue-ShyhVP
BOUGHTCommon Shares (2330.TW)
$71,940
1,000 sh @ $71.94
19 JUL 2026 → filed 21 JUL 2026
Filed 2 days after the tradeSEC EDGAR · 0001046179-26-000453 →SEC — Form 4 insider purchase
Lin Shyue-ShyhVP
BOUGHTCommon Shares (2330.TW)
$72,100
1,000 sh @ $72.1
19 JUL 2026 → filed 21 JUL 2026
Filed 2 days after the tradeSEC EDGAR · 0001046179-26-000453 →
Congress transactions on file
US Congress — Periodic Transaction Report
Cleo FieldsUS Representative · LA06
BOUGHTTaiwan Semiconductor Manufacturing Company Ltd. (TSM) [ST]
$1,001 – $15,000
the STOCK Act discloses a band, so we print the band
10 JUL 2026 → filed 30 JUL 2026
Filed 20 days after the tradeUS House Clerk · PTR 20035023 →US Congress — Periodic Transaction Report
Hon. Richard W. AllenUS Representative · GA12
BOUGHTTaiwan Semiconductor Manufacturing Company Ltd. (TSM) [ST]
$1,001 – $15,000
the STOCK Act discloses a band, so we print the band
08 MAY 2026 → filed 16 JUN 2026
Filed 39 days after the tradeUS House Clerk · PTR 20034740 →US Congress — Periodic Transaction Report
Cleo FieldsUS Representative · LA06
BOUGHTTaiwan Semiconductor Manufacturing Company Ltd. (TSM) [ST]
$1,001 – $15,000
the STOCK Act discloses a band, so we print the band
09 APR 2026 → filed 20 APR 2026
Filed 11 days after the tradeUS House Clerk · PTR 20034357 →US Congress — Periodic Transaction Report
Hon. Julia LetlowUS Representative · LA05
BOUGHTMerrill Lynch Investment Account #025 Taiwan Semiconductor Manufacturing Company Ltd. (TSM) [ST]
$1,001 – $15,000
the STOCK Act discloses a band, so we print the band
02 FEB 2026 → filed 12 MAR 2026
Filed 38 days after the tradeUS House Clerk · PTR 20034106 →US Congress — Periodic Transaction Report
Hon. Richard W. AllenUS Representative · GA12
BOUGHTTaiwan Semiconductor Manufacturing Company Ltd. (TSM) [ST]
$1,001 – $15,000
the STOCK Act discloses a band, so we print the band
19 FEB 2026 → filed 11 MAR 2026
Filed 20 days after the tradeUS House Clerk · PTR 20034133 →US Congress — Periodic Transaction Report
Hon. Gilbert CisnerosUS Representative · CA31
BOUGHT150 Main Street Trust > Bank of America Taiwan Semiconductor Manufacturing Company Ltd. (TSM) [ST]
$1,001 – $15,000
the STOCK Act discloses a band, so we print the band
26 FEB 2026 → filed 09 MAR 2026
Filed 11 days after the tradeUS House Clerk · PTR 20034144 →US Congress — Periodic Transaction Report
Hon. Gilbert CisnerosUS Representative · CA31
BOUGHT150 Main Street Trust > Bank of America Taiwan Semiconductor Manufacturing Company Ltd. (TSM) [ST]
$100,001 – $250,000
the STOCK Act discloses a band, so we print the band
09 FEB 2026 → filed 09 MAR 2026
Filed 28 days after the tradeUS House Clerk · PTR 20034144 →US Congress — Periodic Transaction Report
Hon. Gilbert CisnerosUS Representative · CA31
BOUGHT150 Main Street Trust > Bank of America Taiwan Semiconductor Manufacturing Company Ltd. (TSM) [ST]
$1,001 – $15,000
the STOCK Act discloses a band, so we print the band
30 JAN 2026 → filed 13 FEB 2026
Filed 14 days after the tradeUS House Clerk · PTR 20033983 →US Congress — Periodic Transaction Report
Cleo FieldsUS Representative · LA06
BOUGHTMorgan Stanley - E*TRADE #2 Taiwan Semiconductor Manufacturing Company Ltd. (TSM) [ST]
$1,001 – $15,000
the STOCK Act discloses a band, so we print the band
08 JAN 2026 → filed 03 FEB 2026
Filed 26 days after the tradeUS House Clerk · PTR 20033858 →US Congress — Periodic Transaction Report
Hon. Julia LetlowUS Representative · LA05
SOLDMerrill Lynch Investment Account #025 Taiwan Semiconductor Manufacturing Company Ltd. (TSM) [ST]
$1,001 – $15,000 · partial
the STOCK Act discloses a band, so we print the band
24 JUL 2025 → filed 13 JAN 2026
Filed 173 days after the tradeUS House Clerk · PTR 20030977 →US Congress — Periodic Transaction Report
Hon. Julia LetlowUS Representative · LA05
SOLDMerrill Lynch Investment Account #025 Taiwan Semiconductor Manufacturing Company Ltd. (TSM) [ST]
$1,001 – $15,000 · partial
the STOCK Act discloses a band, so we print the band
24 JAN 2025 → filed 13 JAN 2026
Filed 354 days after the tradeUS House Clerk · PTR 20030977 →US Congress — Periodic Transaction Report
Hon. Julia LetlowUS Representative · LA05
BOUGHTMerrill Lynch Investment Account #025 Taiwan Semiconductor Manufacturing Company Ltd. (TSM) [ST]
$15,001 – $50,000
the STOCK Act discloses a band, so we print the band
23 OCT 2024 → filed 13 JAN 2026
Filed 447 days after the tradeUS House Clerk · PTR 20030977 →US Congress — Periodic Transaction Report
Hon. Gilbert CisnerosUS Representative · CA31
SOLD150 Main Street Trust > Bank of America Taiwan Semiconductor Manufacturing Company Ltd. (TSM) [ST]
$1,001 – $15,000 · partial
the STOCK Act discloses a band, so we print the band
24 DEC 2025 → filed 12 JAN 2026
Filed 19 days after the tradeUS House Clerk · PTR 20033762 →