Flash FinanceUS
Market open S&P 5007,376.86+0.31% Nasdaq24,579.42+1.09% Dow 3051,285.73-0.46% Russell 20002,754.11+0.89% Nasdaq-10026,989.99+1.35% MidCap 4003,602.50+0.56% SmallCap 6001,673.98+0.05% VIX25.64-9.01% 10Y Yield4.86+0.45% Close of Nov 06, 2026
AI brief of an SEC Form 8-K · Penumbra (PEN)

Penumbra director Don Kassing to retire from board effective April 1, 2025

Neutral Impact 2 of 5 leadership Written later

Penumbra said director Don Kassing notified the company on February 14, 2025 that he will retire from its board effective April 1, 2025. The filing states his decision did not involve any disagreement with the company, and it contains no financial results or guidance.

Key points

  • Don Kassing, a board member since 2008 and Presiding Director since 2015, will retire effective April 1, 2025.
  • Notice to the company was dated February 14, 2025; the press release was issued February 21, 2025.
  • Board chair, president and CEO Adam Elsesser thanked Kassing for his service over 17 years.
  • The filing states Kassing's decision did not involve any disagreement with the company.

The filing

CompanyPenumbra (PEN)
Form8-K, current report
Filed with the SECFeb 21, 2025, 4:17 PM ET
Accession number0001321732-25-000036

Items reported: 5.02 Director / Officer Change7.01 Regulation FD Disclosure

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 1:12 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on February 21, 2025.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.