WAVEMAN · COMPANY

PEN · Penumbra Inc

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TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475

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PEN

Name: Penumbra Inc (PEN) insider trading and ownership data
Creator: WaveMan
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Penumbra Inc

MEDICAL DEVICES · SURGICAL & MEDICAL INSTRUMENTS & APPARATUS · CIK 0001321732

SEC FILINGS☆ WATCH

INSIDER NET · 180D

-$32.8K

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

191

13F, latest reported quarter

REVENUE GROWTH

+17.5%

XBRL, annual

NET MARGIN

12.7%

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$32.8K over 180 days

more than 66% of Medical Devices

CONGRESS

no member of Congress has reported trading it

FUNDS

191 funds added or opened last quarter

more than 75% of Medical Devices

REVENUE

+17.5% year over year

more than 72% of Medical Devices

MARGIN

12.7% net margin

more than 81% of Medical Devices

BUYBACKS

no share repurchases reported

SHORT

4.7% of shares outstanding short · 4.2 days to cover · settled 2026-07-31

more than 60% of Medical Devices

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

191 funds added or opened positions in the latest 13F quarter, of 454 holders.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN +19.8%

+19.8%12M

INSIDER SELL

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

The complete filing record, in one place.

The record shows a net $32.8K sold by insiders over 180 days, 191 funds added last quarter. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

TMO ROK BLFS MTD SIBN WRBY ISRG TXG DXCM EW TMDX OM

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Penumbra Inc insiders sold a net $32.8K of stock across 695 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER

FILED

VALUE

Grewal Harpreet

Director

SELL

2026-04-02

100.0

$32.8K

Yuen Maggie

Chief Financial Officer

SELL

2026-03-02

2,432.0

$832.5K

Grewal Harpreet

Director

SELL

2026-01-06

186.0

$58.2K

Wilder Thomas

Director

SELL

2026-01-02

186.0

$57.8K

Bose Arani

Director

SELL

2025-12-11

2,030.0

$619.5K

695 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 690 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

BlackRock, Inc.

4,297,555.0 sh

$1.4B

HBK INVESTMENTS L P

1,838,508.0 sh

$580.5M

VANGUARD CAPITAL MANAGEMENT LLC

1,709,877.0 sh

$539.9M

VANGUARD PORTFOLIO MANAGEMENT LLC

1,667,276.0 sh

$526.4M

STATE STREET CORP

1,243,258.0 sh

$392.6M

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

FORM 144

No planned-sale notices

No insider has notified an intent to sell. This is the panel to watch after a run-up.

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

Return Stacked Bonds & Merger Arbitrage ETF

$6.5M POSITION · AS OF 2026-04-30

12.4%

Congress Mid Cap Growth Fund

$24.0M POSITION · AS OF 2026-04-30

6.2%

Motley Fool Mid-Cap Growth ETF

$5.6M POSITION · AS OF 2026-02-28

4.3%

Motley Fool Small-Cap Growth ETF

$2.8M POSITION · AS OF 2026-02-28

4.1%

THE ARBITRAGE FUND

$28.9M POSITION · AS OF 2026-02-28

3.6%

Water Island Event-Driven Fund

$1.6M POSITION · AS OF 2026-02-28

3.3%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Clinical pipeline

ClinicalTrials.gov · 13 registered trials, 5 still enrolling or running — a status change here is dated weeks before the press release

Not applicable

5 ACTIVE

TRIALS MATCHED TO THIS TICKER BY SPONSOR NAME · STUDIES RUN UNDER A SUBSIDIARY'S OWN NAME ARE NOT INCLUDED

Executive pay vs shareholder return · Adam Elsesser

DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself

CEO TOTAL

ACTUALLY PAID

OTHER NEOs AVG

TSR

PEER TSR

2025

$851.6K

$2.9M

+78%

-22%

2024

$630.5K

$1.8M

+36%

-22%

2023

$601.6K

$622.6K

+44%

-26%

2022

$601.6K

$1.8M

+27%

-21%

2021

$497.8K

$1.3M

+64%

+3%

TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-12	2024-12	2023-12	2022-12
REVENUE	$1.4B	$1.2B	$1.1B	$847.1M
GROSS PROFIT	$942.4M	$755.0M	$682.6M	$535.2M
OPERATING INCOME	$189.2M	$9.3M	$73.6M	$6.1M
NET INCOME	$177.7M	$14.0M	$91.0M	$-2.0M
EPS (DILUTED)	4.52	0.36	2.32	-0.05
OPERATING CASH FLOW	$238.7M	$168.5M	$97.3M	$-55.7M
CASH	$186.9M	$324.4M	$167.5M	$69.9M
BUYBACKS	$0	$100.4M	$0	$0

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE