Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Nov 15, 2025
Reporting period
Not applicable
Filed with the SEC
Nov 19, 2025
OfficerTax withholding
Context
Classification
tax withholding
Code F — shares delivered to pay exercise price or tax liability
Planned / mechanical clue
Tax mechanics (code F)
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001796068-25-000003
Filed / recorded
Nov 19, 2025, 1:03 AM UTC
Added to OQRO
Oct 6, 2026, 8:46 PM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
Penumbra Inc
Issuer CIK
1321732
Ticker
PEN
Reporting person
Lambert Shiu
Relationship
Officer
Officer title
Chief Accounting Officer
Security
Common Stock
Table
Non-derivative (Table I)
Transaction date
Nov 15, 2025
Transaction code
F
Shares / units
346
Price per share
$280.07
Acquired / disposed
Disposed (D)
Shares owned after
32,491
Ownership form
Direct
Amendment
No
Footnotes from the filing
Shares were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units (RSUs) granted to the Reporting Person.
A portion of these shares is subject to vesting.
Includes 81 shares purchased by the Reporting Person under the Issuer's Employee Stock Purchase Plan on May 19, 2025.