Penumbra controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
Back to profile3 entries
2020
Product-safety and short-seller criticism
Penumbra faced criticism concerning a specialized catheter reportedly linked to deaths of stroke patients and became a target of short sellers. Requests for possible SEC and FDA investigations were reportedly made, but the supplied material does not document a final regulatory outcome.
2020
Penumbra responds to short-seller allegations
Company response
Penumbra responded to recent short-seller attacks, calling the information about scientific research published by its co-founder inaccurate and misleading. The company said it was reviewing its options for further response.
Company response
Ongoing disclosure — Penumbra
Penumbra is reviewing its options of how to further respond.
Source excerpt
These claims are baseless. Penumbra is reviewing its options of how to further respond.
today responded to recent attacks by short sellers containing inaccurate and misleading information regarding scientific research published by Penumbra's co-founder and Chief Innovator, Arani Bose, MD.
2016
Litigation concerning Penumbra Coil 400
A lawsuit alleged that the Penumbra Coil 400 caused brain damage after surgery. The available source does not establish a final finding of liability or confirm the allegation.