WAVEMAN · COMPANY

ASPN · Aspen Aerogels 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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ASPN

Name: ASPEN AEROGELS INC (ASPN) insider trading and ownership data
Creator: WaveMan
License: https://wave-man.com/terms

ASPEN AEROGELS INC

WHOLESALE & RETAIL · WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS · CIK 0001145986

FORM 144 · 1☆ WATCH

INSIDER NET · 180D

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

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

13F, latest reported quarter

REVENUE GROWTH

-40.1%

XBRL, annual

NET MARGIN

-143.7%

CONVERSIONS · 180D

codes C/M, not in net · $70.3K priced

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

INSIDERS

no Form 4 purchases or sales on file

CONGRESS

no member of Congress has reported trading it

FUNDS

99 funds added or opened last quarter

more than 50% of Wholesale & Retail

REVENUE

-40.1% year over year

below 93% of Wholesale & Retail

MARGIN

-143.7% net margin

below 95% of Wholesale & Retail

BUYBACKS

no share repurchases reported

SHORT

10.7% of shares outstanding short · 9.0 days to cover · settled 2026-07-31

more than 89% of Wholesale & Retail

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

99 funds added or opened positions in the latest 13F quarter, of 181 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 -26.1%

-26.1%12M

INSIDER SELLFORM 144

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

Insiders have filed to sell — before selling.

The record shows 99 funds added last quarter, $35.3K in planned Form 144 sales. 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

CVNA WMT AMZN SNX RVLV W AZO PSMT WLFC TDUP URBN TTSH

Insider transactions

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

No insider purchases or sales are on record for ASPEN AEROGELS INC in the period covered. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER

FILED

VALUE

Young Donald R

President and CEO

SELL

2025-11-13

56,845.0

$183.6K

Daniel Santhosh P

Chief Accounting Officer

SELL

2025-08-13

2,000.0

$15.1K

Daniel Santhosh P

Chief Accounting Officer

SELL

2025-08-12

4,410.0

$32.2K

Young Donald R

President and CEO

BUY

2025-05-12

20,000.0

$107.0K

Young Donald R

President and CEO

SELL

2024-09-30

63,355.0

$1.9M

49 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 44 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

KIM, LLC

12,280,426.0 sh

$77.9M

BlackRock, Inc.

5,277,148.0 sh

$33.5M

OAKTOP CAPITAL MANAGEMENT II, L.P.

5,168,674.0 sh

$32.8M

VANGUARD CAPITAL MANAGEMENT LLC

3,539,271.0 sh

$22.4M

NEEDHAM INVESTMENT MANAGEMENT LLC

3,260,800.0 sh

$20.7M

SCHEDULE 13D/G

No 5%+ ownership filings

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

Planned sales · Form 144

Filed before the sale — intent, not a trade

SANTHOSH P DANIEL

FILED 2026-08-10

$35.3K

Fund concentration

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

Needham Small Cap Growth Fund

$3.3M POSITION · AS OF 2026-03-31

1.9%

State Street(R) SPDR(R) S&P Kensho Smart Mobility ETF

$266.2K POSITION · AS OF 2026-03-31

1.5%

Invesco WilderHill Clean Energy ETF

$6.3M POSITION · AS OF 2026-04-30

1.4%

Firsthand Alternative Energy Fund

$119.7K POSITION · AS OF 2026-03-31

1.1%

Needham Growth Fund

$1.5M POSITION · AS OF 2026-03-31

0.8%

Firsthand Technology Opportunities Fund

$307.8K POSITION · AS OF 2026-03-31

0.7%

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

Executive pay vs shareholder return

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

2024

$3.1M

$1.2M

$1.5M

-47%

-83%

2023

$3.6M

$7.8M

$1.8M

—

-95%

2022

$2.4M

-$20.8M

$1.4M

-48%

-93%

2021

$8.4M

$30.3M

$790.1K

+98%

-74%

2020

$2.3M

$5.3M

$624.8K

+15%

-85%

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	$271.1M	$452.7M	$238.7M	$180.4M
GROSS PROFIT	$46.0M	$182.9M	$56.9M	$5.0M
OPERATING INCOME	$-378.2M	$54.5M	$-49.2M	$-79.2M
NET INCOME	$-389.6M	$13.4M	$-45.8M	$-82.7M
EPS (DILUTED)	-4.73	0.17	-0.66	-2.10
OPERATING CASH FLOW	$32.9M	$45.5M	$-42.6M	$-94.4M
CASH	$156.9M	$220.9M	$139.7M	$281.3M
LONG-TERM DEBT	$65.5M	$95.0M	—	—

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