BreachCensus

Takeda Pharmaceuticals USA, Inc.

United States of America

Takeda Pharmaceuticals USA, Inc. is an organisation in Massachusetts. It appears on the Massachusetts Attorney General breach-notification register, the California Attorney General breach-notification register and the Texas Attorney General breach-notification register with 4 confirmed incidents; the most recent notice was filed on June 26, 2026.

Data as of September 12, 2026.

Confirmed incident

US-TX

Occurred
February 9, 2026
Disclosed
June 26, 2026
Records affected
2,435

Timeline

  1. June 26, 2026
    Reported to regulator Regulator

    TX AG breach notification: 392 Texas residents affected

    source
What a Texas notice means

Governed by Tex. Bus. & Com. Code §521.053. Notice to the Attorney General is required when a breach affects at least 250 Texas residents.

Note: the published count is a total, not limited to Texas residents.

Texas breach-notification register ↗

Confirmed incident

US-MA

Disclosed
May 30, 2026

Timeline

  1. May 30, 2026
    Reported to regulator Regulator

    MA AG breach notification: 56 Massachusetts residents affected

    source
What a Massachusetts notice means

Governed by M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

Note: the count is Massachusetts residents only, not a total.

Massachusetts breach-notification register ↗

Confirmed incident

US-MA

Disclosed
July 10, 2025

Timeline

  1. July 10, 2025
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source
Confirmed incident

US-CA

Occurred
February 21, 2024
Disclosed
May 31, 2024

Timeline

  1. May 31, 2024
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
What a California notice means

Governed by Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.

Note: no affected-count is published on this register.

California breach-notification register ↗