Aspen Aerogels, Inc.
Aspen Aerogels, Inc. (ASPN) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · ASPN · as of Jun 8, 2026
Activity summary
Buy transactions
0
P-Purchase only
Sell transactions
1
12 Months
Buy/Sell ratio
0.00
Buy/Sell (by trades)
Overall sentiment
Aspen Aerogels, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
ASPN insider buying and selling by quarter
ASPN insider selling · ASPN insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · ASPN ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
ASPN executive sell shares · ASPN board member insider trading · ASPN insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| May 13, 2026 | Mitchell Steven R Director | Award | 10,370 | — | Form 4 |
| May 13, 2026 | SWEETNAM JAMES E Director | Award | 10,370 | — | Form 4 |
| May 13, 2026 | NOGLOWS WILLIAM P Director | Award | 10,370 | — | Form 4 |
| May 13, 2026 | Kool Kathleen Director | Award | 10,370 | — | Form 4 |
| May 13, 2026 | Robinson Cari Director | Award | 10,370 | — | Form 4 |
| Mar 8, 2026 | Whitaker Corby C Chief Commercial Officer | Other | 1,924 | $6K | Form 4 |
| Mar 8, 2026 | Thoele Grant Douglas CFO & Treasurer | Other | 590 | $2K | Form 4 |
| Mar 8, 2026 | Young Donald R President and CEO · Director | Other | 4,275 | $14K | Form 4 |
| Mar 8, 2026 | Landes Gregg COO | Other | 1,924 | $6K | Form 4 |
| Mar 4, 2026 | Young Donald R President and CEO · Director | Award | 156,716 | — | Form 4 |
| Mar 5, 2026 | Young Donald R President and CEO · Director | Other | 8,618 | $28K | Form 4 |
| Mar 4, 2026 | Landes Gregg SVP, Operations and Strat Deve | Award | 57,462 | — | Form 4 |
| Mar 5, 2026 | Landes Gregg SVP, Operations and Strat Deve | Other | 3,814 | $12K | Form 4 |
| Mar 4, 2026 | DEEGAN GLENN E. CAO, GC & Corp Secretary | Award | 55,503 | — | Form 4 |
| Mar 4, 2026 | Whitaker Corby C SVP, Sales and Marketing | Award | 57,462 | — | Form 4 |
| Mar 5, 2026 | Whitaker Corby C SVP, Sales and Marketing | Other | 3,907 | $13K | Form 4 |
| Mar 5, 2026 | Daniel Santhosh P CAO | Other | 986 | $3K | Form 4 |
| Mar 4, 2026 | Thoele Grant Douglas CFO & Treasurer | Award | 55,298 | — | Form 4 |
| Mar 5, 2026 | Thoele Grant Douglas CFO & Treasurer | Other | 2,368 | $8K | Form 4 |
| Nov 13, 2025 | Young Donald R President and CEO · Director | Sale | 56,845 | $184K | Form 4 |
| Oct 1, 2025 | Thoele Grant Douglas CFO & Treasurer | Award | 10,273 | — | Form 4 |
| Sep 30, 2025 | DEEGAN GLENN E. CAO, GC & Corp Secretary | Award | 11,673 | — | Form 4 |
| Sep 13, 2025 | Daniel Santhosh P CAO | Other | 1,563 | $10K | Form 4 |
| Sep 5, 2025 | Pittman Stephanie Chief Human Resources Officer | Other | 1,581 | $10K | Form 4 |
| Aug 12, 2025 | Daniel Santhosh P CAO | Sale | 4,410 | $32K | Form 4 |
Whitaker Corby C
Chief Commercial Officer
Date
Mar 8
Shares
1,924
Price
$3.22
Value
$6K
Young Donald R
President and CEO · Director
Date
Mar 8
Shares
4,275
Price
$3.22
Value
$14K
Young Donald R
President and CEO · Director
Date
Mar 4
Shares
156,716
Price
—
Value
—
Young Donald R
President and CEO · Director
Date
Mar 5
Shares
8,618
Price
$3.27
Value
$28K
Landes Gregg
SVP, Operations and Strat Deve
Date
Mar 4
Shares
57,462
Price
—
Value
—
Landes Gregg
SVP, Operations and Strat Deve
Date
Mar 5
Shares
3,814
Price
$3.27
Value
$12K
Whitaker Corby C
SVP, Sales and Marketing
Date
Mar 4
Shares
57,462
Price
—
Value
—
Whitaker Corby C
SVP, Sales and Marketing
Date
Mar 5
Shares
3,907
Price
$3.27
Value
$13K
Thoele Grant Douglas
CFO & Treasurer
Date
Mar 5
Shares
2,368
Price
$3.27
Value
$8K
Young Donald R
President and CEO · Director
Date
Nov 13
Shares
56,845
Price
$3.23
Value
$184K
DEEGAN GLENN E.
CAO, GC & Corp Secretary
Date
Sep 30
Shares
11,673
Price
—
Value
—
Pittman Stephanie
Chief Human Resources Officer
Date
Sep 5
Shares
1,581
Price
$6.61
Value
$10K
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About ASPN insider trading
ASPN insider trades
Aspen Aerogels, Inc. (ASPN) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Thoele Grant Douglas (CFO & Treasurer), Young Donald R (President and CEO · Director), Daniel Santhosh P (CAO). Over the past 12 months, 5 insiders have filed transactions with the SEC. ASPN insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Aspen Aerogels, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
ASPN insider trading · 5 questionsThe insiders of Aspen Aerogels, Inc. (ASPN) include executives and directors such as Thoele Grant Douglas (CFO & Treasurer), Young Donald R (President and CEO · Director), Daniel Santhosh P (CAO), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026