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ASPN NYSE

Aspen Aerogels, Inc.
1W: -6.0% 1M: +68.3% 3M: +51.5% YTD: +89.3% 1Y: -13.9% 3Y: -27.0% 5Y: -69.8%
$5.79
+0.32 (+5.85%)
 
Weekly Expected Move ±16.7%
$4 $5 $6 $7 $7
NYSE · Industrials · Construction · Alpha Radar Strong Buy · Power 64 · $479.9M mcap · 77M float · 2.27% daily turnover · Short 46% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
214
Institutions Holding
-34 vs prior
130.7%
Ownership
+89.52%
31 New
38 Increased
114 Reduced
68 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-05-13 Robinson Cari director A-Grant/Award 10,370 $— $0 Filing
2026-05-13 Kool Kathleen director A-Grant/Award 10,370 $— $0 Filing
2026-05-13 NOGLOWS WILLIAM P director A-Grant/Award 10,370 $— $0 Filing
2026-05-13 SWEETNAM JAMES E director A-Grant/Award 10,370 $— $0 Filing
2026-05-13 Mitchell Steven R director A-Grant/Award 10,370 $— $0 Filing
2026-03-05 Daniel Santhosh P officer: chief accounting officer F-Tax Withholding 986 $3.27 $3K Filing
2026-03-05 Thoele Grant Douglas officer: cfo & treasurer F-Tax Withholding 2,368 $3.27 $8K Filing
2026-03-05 Whitaker Corby C officer: svp, sales and marketing F-Tax Withholding 3,907 $3.27 $13K Filing
2026-03-05 Landes Gregg officer: svp, operations and strat deve F-Tax Withholding 3,814 $3.27 $12K Filing
2026-03-05 Young Donald R officer: president and ceo F-Tax Withholding 8,618 $3.27 $28K Filing
2026-03-04 Thoele Grant Douglas officer: cfo & treasurer A-Grant/Award 55,298 $— $0 Filing
2026-03-04 Whitaker Corby C officer: svp, sales and marketing A-Grant/Award 57,462 $— $0 Filing
2026-03-04 DEEGAN GLENN E. officer: cao, gc & corp secretary A-Grant/Award 55,503 $— $0 Filing
2026-03-04 Landes Gregg officer: svp, operations and strat deve A-Grant/Award 57,462 $— $0 Filing
2026-03-04 Young Donald R officer: president and ceo A-Grant/Award 156,716 $— $0 Filing
2025-11-13 Young Donald R officer: president and ceo S-Sale 56,845 $3.23 $184K Filing
2025-10-01 Thoele Grant Douglas officer: cfo & treasurer A-Grant/Award 10,273 $— $0 Filing
2025-10-01 Thoele Grant Douglas officer: cfo & treasurer A-Grant/Award 10,273 $— $0 Filing
2025-09-30 DEEGAN GLENN E. officer: cao, gc & corp secretary A-Grant/Award 11,673 $— $0 Filing
2025-09-13 Daniel Santhosh P officer: chief accounting officer F-Tax Withholding 1,563 $6.59 $10K Filing
2025-09-05 Pittman Stephanie officer: chief human resources officer F-Tax Withholding 1,581 $6.61 $10K Filing
2025-08-13 Daniel Santhosh P officer: chief accounting officer S-Sale 2,000 $7.54 $15K Filing
2025-08-12 Daniel Santhosh P officer: chief accounting officer S-Sale 4,410 $7.31 $32K Filing
2025-05-23 Johnson Virginia officer: clo, gc, and secretary F-Tax Withholding 6,129 $6.39 $39K Filing
2025-05-12 Young Donald R officer: president and ceo P-Purchase 20,000 $5.35 $107K Filing

🏛️ Congressional Trades

0 records
Date Politician Chamber Type Amount Filing
No congressional trades found

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
Firsthand Capital Management, Inc. 125,000 $428M 2026-03-31 Filing
KIM, LLC 12,280,426 $42M 2026-03-31 Filing
OAKTOP CAPITAL MANAGEMENT II, L.P. 5,168,674 $18M +774,149 2026-03-31 Filing
BlackRock, Inc. 4,743,076 $16M -186,163 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 3,436,156 $12M +3,436,156 2026-03-31 Filing
George Kaiser Family Foundation 3,167,322 $11M 2026-03-31 Filing
STATE STREET CORP 2,320,727 $8M -180,742 2026-03-31 Filing
Invesco Ltd. 2,298,183 $8M -1,831,751 2026-03-31 Filing
GAGNON SECURITIES LLC 1,861,851 $6M +728,603 2026-03-31 Filing
RICE HALL JAMES & ASSOCIATES, LLC 1,552,628 $5M +131,023 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 1,540,771 $5M -61,278 2026-03-31 Filing
AMERIPRISE FINANCIAL INC 1,506,379 $5M +128,095 2026-03-31 Filing
DIMENSIONAL FUND ADVISORS LP 1,256,480 $4M -747,483 2026-03-31 Filing
AMERICAN CENTURY COMPANIES INC 1,247,783 $4M +89,805 2026-03-31 Filing
JACOBS LEVY EQUITY MANAGEMENT, INC 1,218,779 $4M +1,078,666 2026-03-31 Filing
Telemark Asset Management, LLC 1,000,000 $3M 2026-03-31 Filing
ROYCE & ASSOCIATES LP 986,513 $3M +986,513 2026-03-31 Filing
GOLDMAN SACHS GROUP INC 899,513 $3M -395,415 2026-03-31 Filing
JPMORGAN CHASE & CO 965,492 $3M -518,253 2026-03-31 Filing
HRT FINANCIAL LP 870,435 $3M +870,435 2026-03-31 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms