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Taiwan Semiconductor Manufacturing Company Ltd.

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Recent trades of TSM by members of U.S. Congress

Politician Type Traded
Julie Johnson House / D Sale $1,001 - $15,000 Mar. 11, 2025
Josh Gottheimer House / D Sale $1,001 - $15,000 Mar. 04, 2025
Robert Bresnahan House / R Sale $1,001 - $15,000 Mar. 03, 2025
Bruce Westerman House / R Purchase $1,001 - $15,000 Mar. 03, 2025
Josh Gottheimer House / D Sale $1,001 - $15,000 Jan. 28, 2025
Michael T. McCaul House / R Sale $15,001 - $50,000 Nov. 19, 2024
Michael T. McCaul House / R Sale $15,001 - $50,000 Nov. 19, 2024
Josh Gottheimer House / D Sale $1,001 - $15,000 Oct. 24, 2024
Josh Gottheimer House / D Sale $1,001 - $15,000 Oct. 04, 2024
Josh Gottheimer House / D Sale $1,001 - $15,000 Sep. 23, 2024
Josh Gottheimer House / D Sale $1,001 - $15,000 Jul. 05, 2024
Josh Gottheimer House / D Sale $1,001 - $15,000 Jun. 21, 2024
Josh Gottheimer House / D Sale $1,001 - $15,000 Mar. 12, 2024
Josh Gottheimer House / D Sale $1,001 - $15,000 Feb. 09, 2024
Josh Gottheimer House / D Purchase $1,001 - $15,000 Jan. 18, 2024
Thomas R. Carper Senate / D Sale (Partial) $1,001 - $15,000 Dec. 11, 2023
Daniel S. Goldman House / D Sale $50,001 - $100,000 Jul. 10, 2023
Tommy Tuberville Senate / R Purchase $1,001 - $15,000 Mar. 21, 2023
Josh Gottheimer House / D Purchase $1,001 - $15,000 Mar. 09, 2023
Daniel S. Goldman House / D Sale $50,001 - $100,000 Feb. 27, 2023
Thomas R. Carper Senate / D Sale (Partial) $1,001 - $15,000 Feb. 21, 2023
Tommy Tuberville Senate / R Sale (Full) $1,001 - $15,000 Nov. 23, 2022
Tommy Tuberville Senate / R Sale (Full) $1,001 - $15,000 Nov. 23, 2022
Thomas R. Carper Senate / D Purchase $1,001 - $15,000 Oct. 17, 2022
Josh Gottheimer House / D Sale $1,001 - $15,000 Mar. 30, 2022
Thomas R. Carper Senate / D Sale (Partial) $1,001 - $15,000 Jan. 19, 2022
Pete Sessions House / R Sale $1,001 - $15,000 Nov. 16, 2021
Thomas R. Suozzi House / D Sale $15,001 - $50,000 Oct. 06, 2021
Katherine M. Clark House / D Sale $1,001 - $15,000 Sep. 16, 2021
Marjorie Taylor Greene House / R Purchase $1,001 - $15,000 Jun. 16, 2021
Thomas R. Suozzi House / D Purchase $15,001 - $50,000 Jun. 11, 2021
Sara Jacobs House / D Sale $50,001 - $100,000 Apr. 09, 2021
Pete Sessions House / R Purchase $1,001 - $15,000 Mar. 10, 2021
Peter Meijer House / R Sale $50,001 - $100,000 Feb. 17, 2021
Katherine M. Clark House / D Sale $1,001 - $15,000 Feb. 08, 2021
Peter Meijer House / R Sale $1,001 - $15,000 Feb. 08, 2021
Katherine M. Clark House / D Sale $1,001 - $15,000 Feb. 08, 2021
Josh Gottheimer House / D Sale $1,001 - $15,000 Feb. 03, 2021
Marjorie Taylor Greene House / R Purchase $1,001 - $15,000 Jan. 22, 2021
Peter Meijer House / R Sale $1,001 - $15,000 Jan. 13, 2021
Josh Gottheimer House / D Sale $1,001 - $15,000 Jan. 11, 2021
Katherine M. Clark House / D Sale $1,001 - $15,000 Nov. 05, 2020
Katherine M. Clark House / D Sale $1,001 - $15,000 Oct. 22, 2020
Greg Gianforte House / R Sale $50,001 - $100,000 Aug. 04, 2020
Josh Gottheimer House / D Sale $1,001 - $15,000 Aug. 04, 2020
Greg Gianforte House / R Sale $100,001 - $250,000 Jul. 28, 2020
Josh Gottheimer House / D Sale $1,001 - $15,000 Jul. 27, 2020
Sean Patrick Maloney House / D Sale $1,001 - $15,000 Jun. 26, 2020
Josh Gottheimer House / D Purchase $1,001 - $15,000 Apr. 17, 2020
Greg Gianforte House / R Sale $50,001 - $100,000 Mar. 13, 2020
TSM Stock Insider Trading Activity
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Date
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TSM Stock Institutional Owners
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TSM Derivatives Institutional Owners
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Recently reported changes by institutional investors

Quarterly net insider trading by TSM's directors and management

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Government lobbying spending instances

  • $570,000 Apr 17, 2025 Issue: Economics/Economic Development Taxation/Internal Revenue Code Trade (domestic/foreign) Immigration Chemicals/Chemical Industry Clean Air and Water (quality) Law Enforcement/Crime/Criminal Justice Copyright/Patent/Trademark Labor Issues/Antitrust/Workplace
  • $540,000 Jan 21, 2025 Issue: Economics/Economic Development Taxation/Internal Revenue Code Trade (domestic/foreign) Immigration Chemicals/Chemical Industry Clean Air and Water (quality) Law Enforcement/Crime/Criminal Justice Copyright/Patent/Trademark
  • $540,000 Oct 21, 2024 Issue: Copyright/Patent/Trademark Law Enforcement/Crime/Criminal Justice Clean Air and Water (quality) Chemicals/Chemical Industry Immigration Trade (domestic/foreign) Taxation/Internal Revenue Code Economics/Economic Development
  • $790,000 Jul 17, 2024 Issue: Law Enforcement/Crime/Criminal Justice Clean Air and Water (quality) Chemicals/Chemical Industry Immigration Trade (domestic/foreign) Taxation/Internal Revenue Code Economics/Economic Development
  • $540,000 Apr 19, 2024 Issue: Law Enforcement/Crime/Criminal Justice Clean Air and Water (quality) Chemicals/Chemical Industry Immigration Trade (domestic/foreign) Taxation/Internal Revenue Code Economics/Economic Development
  • $540,000 Jan 19, 2024 Issue: Clean Air and Water (quality) Chemicals/Chemical Industry Immigration Trade (domestic/foreign) Taxation/Internal Revenue Code Economics/Economic Development
  • $540,000 Oct 18, 2023 Issue: Chemicals/Chemical Industry Immigration Trade (domestic/foreign) Taxation/Internal Revenue Code Economics/Economic Development

Estimated quarterly lobbying spending

TSM Revenue by Segment or Geography

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U.S. Patents

New patents grants

  • Patent Title: One-time-programmable memory devices having first transistor, second transistor, and resistor in series Mar. 18, 2025
  • Patent Title: Memory device and method for forming thereof Mar. 18, 2025
  • Patent Title: Compact static random-access memory structure Mar. 18, 2025
  • Patent Title: Method of manufacturing a finfet with merged epitaxial source/drain regions Mar. 18, 2025
  • Patent Title: Inner spacer structures for gate-all-around field effect transistors Mar. 18, 2025
  • Patent Title: Low-k feature formation processes and structures formed thereby Mar. 18, 2025
  • Patent Title: Topology selective and sacrificial silicon nitride layer for generating spacers for a semiconductor device drain Mar. 18, 2025
  • Patent Title: Liner layer for backside contacts of semiconductor devices Mar. 18, 2025
  • Patent Title: Integrated circuit, system and method of forming same Mar. 18, 2025
  • Patent Title: Self-aligned active regions and passivation layer and methods of making the same Mar. 18, 2025
  • Patent Title: Gallium nitride drain structures and methods of forming the same Mar. 18, 2025
  • Patent Title: Semiconductor structure and method for forming the same Mar. 18, 2025
  • Patent Title: Image sensor with overlap of backside trench isolation structure and vertical transfer gate Mar. 18, 2025
  • Patent Title: Semiconductor device, semiconductor image sensor, and method of manufacturing the same Mar. 18, 2025
  • Patent Title: Boundary design for high-voltage integration on hkmg technology Mar. 18, 2025
  • Patent Title: Semiconductor device with isolation structure Mar. 18, 2025
  • Patent Title: Monolithic three dimensional integrated circuit Mar. 18, 2025
  • Patent Title: Esd structure Mar. 18, 2025
  • Patent Title: Multi-bit structure Mar. 18, 2025
  • Patent Title: Semiconductor package with thermal relaxation block and manufacturing method thereof Mar. 18, 2025
  • Patent Title: Semiconductor packages and methods of forming the same Mar. 18, 2025
  • Patent Title: Bonding passive devices on active dies to form 3d packages Mar. 18, 2025
  • Patent Title: Chip package structure Mar. 18, 2025
  • Patent Title: Wafer bonding system and method of using the same Mar. 18, 2025
  • Patent Title: Semiconductor package structure comprising via structure and redistribution layer structure Mar. 18, 2025
  • Patent Title: Semiconductor package device with integrated inductor and manufacturing method thereof Mar. 18, 2025
  • Patent Title: Semiconductor package with riveting structure between two rings and method for forming the same Mar. 18, 2025
  • Patent Title: Package structure with stacked semiconductor dies Mar. 18, 2025
  • Patent Title: Cmp safe alignment mark Mar. 18, 2025
  • Patent Title: Power distribution structure and method Mar. 18, 2025
  • Patent Title: Graphene liners and caps for semiconductor structures Mar. 18, 2025
  • Patent Title: Cell structure with intermediate metal layers for power supplies Mar. 18, 2025
  • Patent Title: Interconnect structures of semiconductor device and methods of forming the same Mar. 18, 2025
  • Patent Title: Method of back end of line via to metal line margin improvement Mar. 18, 2025
  • Patent Title: Electrical fuse (e-fuse) one-time programmable (otp) device and manufacturing method thereof Mar. 18, 2025
  • Patent Title: Capacitor between two passivation layers with different etching rates Mar. 18, 2025
  • Patent Title: Package assembly including liquid alloy thermal interface material (tim) and seal ring around the liquid alloy tim and methods of forming the same Mar. 18, 2025
  • Patent Title: Package structure and method of fabricating the same Mar. 18, 2025
  • Patent Title: Semiconductor structure and manufacturing method thereof Mar. 18, 2025
  • Patent Title: Test key and semiconductor die including the same Mar. 18, 2025
  • Patent Title: Semiconductor device and method of manufacture Mar. 18, 2025
  • Patent Title: Gate-all-around devices having gate dielectric layers of varying thicknesses and method of forming the same Mar. 18, 2025
  • Patent Title: Semiconductor device and method of manufacture Mar. 18, 2025
  • Patent Title: Semiconductor structure with backside via contact and a protection liner layer Mar. 18, 2025
  • Patent Title: Methods of forming of inner spacer structure using semiconductor material with variable germanium concentration Mar. 18, 2025
  • Patent Title: Ion implantation of nanostructures for nano-fet Mar. 18, 2025
  • Patent Title: Inner filler layer for multi-patterned metal gate for nanostructure transistor Mar. 18, 2025
  • Patent Title: Semiconductor device with reduced contact resistance and methods of forming the same Mar. 18, 2025
  • Patent Title: Semiconductor structure and manufacturing method thereof Mar. 18, 2025
  • Patent Title: Semiconductor processing apparatus and method utilizing electrostatic discharge (esd) prevention layer Mar. 18, 2025
Government Contracts

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TSM News

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TSM Stock Smart Score

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Quiver LogoOur Analysis
Posted: 2 years ago // April 14, 2023 4:21 p.m. UTC
Why These Trades Could be a Cause for Concern...

In a CNBC interview early Wednesday morning, when Warren Buffet was asked why he sold almost his entire stake in Taiwan Semiconductor ($TSM), Buffet first responded with, "There’s a danger of seismic action where they're located” before giving a more cryptic response stating “I'd rather have a US domiciled company, rather than be subject to who knows what depending on conditions outside their control” suggesting that ongoing geopolitical risks related to Taiwan pose a threat to Taiwan Semiconductor.

Having followed Buffet for many years, I thought every part of this response was abnormal. The idea that The Oracle of Omaha sold approximately $3.8 billion of TSM stock because of a potential earthquake seems ambitious, to say the least. The second part of the response implying that he's selling the company due to heightened geopolitical risks is also very unlike Buffet, who prides himself on investing in “great companies” and makes a point to not speculate on factors outside his control. Despite Buffet's unusual response, it likely wasn't enough to be a definite cause for concern regarding Taiwan and heightened geopolitical risks.

However, that was until just later the same day when Senator Tuberville disclosed his trades for March and revealed that he had purchased $75 strike price, $TSM put contracts, expiring 9/15/23.

This could be cause for concern for two primary reasons, with the first being that it's very rare to see lawmakers buying put contracts due to the nature of them being that they’re betting on a company to fall in market value.

The second reason is that Senator Tuberville sits on The Senate Committee for Armed Services and the Seapower and Strategic Forces subcommittee. As a result, Tuberville has access to classified military and defense information out of reach to the public. Given the heightened geopolitical tension around Taiwan in recent weeks, along with his purchase of TSM put contracts, the data suggests that Taiwan might be in the cross hairs of a potential war sooner rather than later.

While an outbreak of a war between China and the US over the island would have far-reaching consequences, Taiwan Semiconductors arguably has the most to lose of any company. Especially when you consider that the US has already singled out that in the event of a Chinese invasion of Taiwan, the US would “Blow up” the TSM Semiconductor facilities and move the engineers to Arizona rather than let China access the technology.

Given the unusual nature of Buffet and Tuberville’s trades, it makes you wonder whether they know something about Taiwan that we don’t?

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