ASPEN AEROGELS INC (ASPN)

Latest Insider Confidence Score

2026Q1

52.2
Bullish

Company insider confidence (by quarter)

2014Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Koch, Inc. — 12,280,426 Aug 2, 2024
Koch Industries Inc 10% Owner 12,280,426 May 15, 2024
Wood River Capital, LLC 10% Owner 12,280,426 May 15, 2024
SCC Holdings, LLC — 3,462,124 Jul 9, 2021
Young Donald R CEO 494,011 Nov 14, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 4, 2026 Mar 6, 2026 Young Donald R CEO Sell 91.3 +148,098 29.98% ✗ $28.2K
Mar 4, 2026 Mar 6, 2026 Landes Gregg SVP, Operations and Strat Deve Sell 91.3 +53,648 104.77% ✗ $12.5K
Mar 4, 2026 Mar 6, 2026 DEEGAN GLENN E. CAO, GC & Corp Secretary Neutral 90.0 +55,503 475.48% ✗ -
Mar 4, 2026 Mar 6, 2026 Whitaker Corby C SVP, Sales and Marketing Sell 91.3 +53,555 34.85% ✗ $12.8K
Mar 5, 2026 Mar 6, 2026 Daniel Santhosh P Chief Accounting Officer Sell 47.5 -986 -6.04% ✗ $3.2K
Mar 4, 2026 Mar 6, 2026 Thoele Grant Douglas CFO Sell 90.0 +52,930 208.45% ✗ $7.7K
Oct 1, 2025 Dec 19, 2025 Thoele Grant Douglas CFO Neutral 90.0 +10,273 67.95% ✗ -
Dec 19, 2025 Thoele Grant Douglas CFO Neutral 52.5 - 0.00% ✗ -
Nov 13, 2025 Nov 14, 2025 Young Donald R CEO Sell 25.0 -56,845 -10.32% ✓ $183.6K
Oct 1, 2025 Oct 3, 2025 Thoele Grant Douglas CFO Neutral 90.0 +10,273 222.94% ✗ -
Sep 30, 2025 Oct 2, 2025 DEEGAN GLENN E. CAO, GC & Corp Secretary Neutral 90.0 +11,673 100.00% ✗ -
Oct 2, 2025 Thoele Grant Douglas CFO Neutral 52.5 - 0.00% ✗ -
Sep 25, 2025 DEEGAN GLENN E. CAO, GC & Corp Secretary Neutral 52.5 - 0.00% ✗ -
Sep 13, 2025 Sep 15, 2025 Daniel Santhosh P Chief Accounting Officer Sell 46.3 -1,563 -8.74% ✗ $10.3K
Sep 5, 2025 Sep 8, 2025 Pittman Stephanie Chief Human Resources Officer Sell 46.3 -1,581 -3.61% ✗ $10.5K
Aug 12, 2025 Aug 13, 2025 Daniel Santhosh P Chief Accounting Officer Sell 26.3 -6,410 -26.39% ✗ $47.3K
May 23, 2025 May 27, 2025 Johnson Virginia CLO, GC, and Secretary Sell 46.3 -6,129 -12.12% ✗ $39.2K
May 12, 2025 May 12, 2025 Young Donald R CEO Buy 87.5 +20,000 3.77% ✗ $107K
Apr 30, 2025 May 1, 2025 Mitchell Steven R Director Neutral 85.0 +10,370 7.62% ✗ -
Apr 30, 2025 May 1, 2025 SWEETNAM JAMES E Director Neutral 90.0 +10,370 66.56% ✗ -
Apr 30, 2025 May 1, 2025 Robinson Cari Director Neutral 90.0 +10,370 552.77% ✗ -
Apr 30, 2025 May 1, 2025 Kool Kathleen Director Neutral 90.0 +10,370 76.35% ✗ -
Apr 30, 2025 May 1, 2025 NOGLOWS WILLIAM P Director Neutral 90.0 +10,370 10.52% ✗ -
Mar 7, 2025 Mar 11, 2025 Johnson Virginia CLO, GC, and Secretary Sell 46.3 -1,924 -3.66% ✗ $15.3K
Mar 7, 2025 Mar 11, 2025 Young Donald R CEO Sell 48.8 -3,569 -0.67% ✗ $28.4K
Mar 7, 2025 Mar 11, 2025 SCHILLING KEITH L SVP, Technology Sell 46.3 -1,924 -3.72% ✗ $15.3K
Mar 7, 2025 Mar 11, 2025 Whitaker Corby C SVP, Sales and Marketing Sell 46.3 -1,924 -1.24% ✗ $15.3K
Mar 7, 2025 Mar 11, 2025 RODRIGUEZ RICARDO C. CFO Sell 46.3 -1,924 -3.25% ✗ $15.3K
Mar 7, 2025 Mar 11, 2025 Landes Gregg SVP, Operations and Strat Deve Sell 46.3 -1,924 -3.62% ✗ $15.3K
Mar 5, 2025 Mar 7, 2025 Daniel Santhosh P Chief Accounting Officer Sell 90.0 +4,355 21.85% ✗ $3.4K
Mar 5, 2025 Mar 7, 2025 Landes Gregg SVP, Operations and Strat Deve Sell 90.0 +23,777 81.00% ✗ $7.3K
Mar 5, 2025 Mar 7, 2025 RODRIGUEZ RICARDO C. CFO Sell 90.0 +38,923 191.63% ✗ $7.3K
Mar 5, 2025 Mar 7, 2025 Johnson Virginia CLO, GC, Secretary & CCO Sell 90.0 +25,371 93.51% ✗ $7.3K
Mar 5, 2025 Mar 7, 2025 Young Donald R CEO Sell 91.3 +51,893 10.75% ✗ $18.2K
Mar 5, 2025 Mar 7, 2025 SCHILLING KEITH L SVP, Technology Sell 90.0 +23,777 85.09% ✗ $7.3K
Mar 5, 2025 Mar 7, 2025 Whitaker Corby C SVP, Sales and Marketing Sell 90.0 +24,574 18.75% ✗ $7.3K
Mar 5, 2025 Mar 7, 2025 Pittman Stephanie Chief Human Resources Officer Sell 90.0 +21,385 95.24% ✗ $7.3K
Feb 25, 2025 Feb 26, 2025 RODRIGUEZ RICARDO C. CFO Sell 50.0 -173 -0.84% ✗ $1.3K
Feb 21, 2025 Feb 25, 2025 Landes Gregg SVP, Operations and Strat Deve Sell 47.5 -499 -1.67% ✗ $4K
Feb 21, 2025 Feb 25, 2025 Young Donald R CEO Sell 52.5 -1,108 -0.23% ✗ $8.9K
Feb 21, 2025 Feb 25, 2025 RODRIGUEZ RICARDO C. CFO Sell 47.5 -305 -1.47% ✗ $2.5K
Feb 21, 2025 Feb 25, 2025 SCHILLING KEITH L SVP, Technology Sell 47.5 -499 -1.75% ✗ $4K
Feb 21, 2025 Feb 25, 2025 Whitaker Corby C SVP, Sales and Marketing Sell 52.5 -499 -0.38% ✗ $4K
Nov 1, 2024 Nov 4, 2024 SCHILLING KEITH L SVP, Technology Sell 47.5 -349 -1.21% ✗ $6.3K
Sep 30, 2024 Oct 1, 2024 Young Donald R CEO Sell 20.0 -63,355 -11.58% ✓ $1.9M
Sep 13, 2024 Sep 16, 2024 Daniel Santhosh P Chief Accounting Officer Sell 46.3 -1,711 -7.90% ✗ $42.5K
Sep 5, 2024 Sep 9, 2024 Pittman Stephanie Chief Human Resources Officer Sell 46.3 -1,734 -7.17% ✗ $44.4K
Aug 26, 2024 Aug 28, 2024 RODRIGUEZ RICARDO C. CFO Sell 7.5 -32,465 -60.96% ✓ $978.4K
Aug 19, 2024 Aug 19, 2024 Wood River Capital, LLC 10% Owner Neutral 52.5 - 0.00% ✗ -
Aug 14, 2024 Aug 16, 2024 Robinson Cari Director Neutral 90.0 +1,876 100.00% ✗ -
Aug 16, 2024 Robinson Cari Director Neutral 52.5 - 0.00% ✗ -
Aug 2, 2024 KOCH INDUSTRIES INC Other Neutral 52.5 - 0.00% ✗ -
Aug 2, 2024 Koch, Inc. 10% Owner Neutral 52.5 - 0.00% ✗ -
Jun 30, 2024 Jul 1, 2024 Wood River Capital, LLC 10% Owner Neutral 52.5 - 0.00% ✗ -
Jun 29, 2024 Jul 1, 2024 Young Donald R CEO Sell 37.5 -75,885 -12.18% ✗ $1.8M
Jun 2, 2024 Jun 3, 2024 Johnson Virginia CLO, GC, Secretary & CCO Sell 46.3 -662 -2.38% ✗ $19.8K
May 30, 2024 May 31, 2024 Kool Kathleen Director Neutral 90.0 +1,898 16.24% ✗ -
May 30, 2024 May 31, 2024 Blalock Rebecca Director Neutral 82.5 +1,898 3.10% ✗ -
May 30, 2024 May 31, 2024 Mitchell Steven R Director Neutral 77.5 +1,898 1.41% ✗ -
May 30, 2024 May 31, 2024 SWEETNAM JAMES E Director Neutral 90.0 +1,898 13.87% ✗ -
May 30, 2024 May 31, 2024 Noetzel Mark L Director Neutral 77.5 +1,898 1.59% ✗ -
May 30, 2024 May 31, 2024 NOGLOWS WILLIAM P Director Neutral 77.5 +1,898 1.96% ✗ -
May 28, 2024 May 29, 2024 Young Donald R CEO Sell 7.5 -433,690 -20.76% ✓ $12.7M
May 22, 2024 May 23, 2024 Kool Kathleen Director Sell 22.5 -4,470 -27.67% ✗ $122K
May 14, 2024 May 15, 2024 Wood River Capital, LLC 10% Owner Sell 15.0 -3,500,000 -22.18% ✗ $82.3M
May 13, 2024 May 14, 2024 SCHILLING KEITH L SVP, Technology Sell 20.0 -20,000 -40.99% ✗ $536.9K
May 6, 2024 May 8, 2024 Whitaker Corby C SVP, Sales and Marketing Sell 17.5 -55,159 -29.55% ✗ $1.4M
May 6, 2024 May 8, 2024 Landes Gregg SVP, Operations and Strat Deve Sell 17.5 -48,386 -61.84% ✗ $1.2M
Mar 8, 2024 Mar 11, 2024 Young Donald R CEO Sell 42.5 -4,078 -1.10% ✗ $69.4K
Mar 8, 2024 Mar 11, 2024 Whitaker Corby C SVP, Sales and Marketing Sell 46.3 -1,768 -1.33% ✗ $30.1K
Mar 8, 2024 Mar 11, 2024 SCHILLING KEITH L SVP, Technology Sell 46.3 -2,045 -6.63% ✗ $34.8K
Mar 8, 2024 Mar 11, 2024 RODRIGUEZ RICARDO C. CFO Sell 46.3 -1,824 -6.13% ✗ $31K
Mar 8, 2024 Mar 11, 2024 Landes Gregg SVP, Operations and Strat Deve Sell 46.3 -1,771 -2.21% ✗ $30.1K
Mar 8, 2024 Mar 11, 2024 Johnson Virginia CLO, GC, Secretary & CCO Sell 46.3 -2,129 -7.11% ✗ $36.2K
Mar 5, 2024 Mar 7, 2024 Johnson Virginia CLO, GC, Secretary & CCO Neutral 90.0 +8,032 36.69% ✗ -
Mar 5, 2024 Mar 7, 2024 Landes Gregg SVP, Operations and Strat Deve Neutral 90.0 +8,032 11.16% ✗ -
Mar 5, 2024 Mar 7, 2024 Johnson Virginia CLO, GC, Secretary & CCO Neutral 27.5 -53,590 -71.00% ✗ -
Mar 5, 2024 Mar 7, 2024 Landes Gregg SVP, Operations and Strat Deve Neutral 27.5 -53,590 -42.68% ✗ -
Mar 5, 2024 Mar 7, 2024 RODRIGUEZ RICARDO C. CFO Neutral 90.0 +8,032 36.93% ✗ -
Mar 5, 2024 Mar 7, 2024 Whitaker Corby C SVP, Sales and Marketing Neutral 85.0 +8,032 6.41% ✗ -
Mar 5, 2024 Mar 7, 2024 Young Donald R CEO Neutral 85.0 +19,889 5.69% ✗ -
Mar 5, 2024 Mar 7, 2024 Pittman Stephanie Chief Human Resources Officer Neutral 90.0 +8,032 49.72% ✗ -
Mar 5, 2024 Mar 7, 2024 SCHILLING KEITH L SVP, Technology Neutral 90.0 +8,032 35.22% ✗ -
Mar 5, 2024 Mar 7, 2024 Daniel Santhosh P Chief Accounting Officer Neutral 90.0 +3,671 20.42% ✗ -
Mar 5, 2024 Mar 7, 2024 RODRIGUEZ RICARDO C. CFO Neutral 27.5 -53,590 -71.13% ✗ -
Mar 5, 2024 Mar 7, 2024 Young Donald R CEO Neutral 27.5 -304,666 -46.56% ✗ -
Mar 5, 2024 Mar 7, 2024 SCHILLING KEITH L SVP, Technology Neutral 27.5 -53,590 -70.15% ✗ -
Mar 5, 2024 Mar 7, 2024 Whitaker Corby C SVP, Sales and Marketing Neutral 27.5 -53,590 -29.96% ✗ -
Feb 23, 2024 Feb 27, 2024 Young Donald R CEO Sell 51.3 -1,917 -0.29% ✗ $32.5K
Feb 23, 2024 Feb 27, 2024 Landes Gregg SVP, Operations and Strat Deve Sell 48.8 -825 -0.65% ✗ $14K
Feb 23, 2024 Feb 27, 2024 Whitaker Corby C SVP, Sales and Marketing Sell 48.8 -825 -0.51% ✗ $14K
Feb 23, 2024 Feb 27, 2024 RODRIGUEZ RICARDO C. CFO Sell 50.0 -474 -0.63% ✗ $8K
Feb 23, 2024 Feb 27, 2024 SCHILLING KEITH L SVP, Technology Sell 50.0 -495 -0.64% ✗ $8.4K
Dec 30, 2023 Jan 4, 2024 Wood River Capital, LLC 10% Owner Neutral 52.5 - 0.00% ✗ -
Nov 20, 2023 Nov 20, 2023 Landes Gregg SVP, Operations and Strat Deve Sell 52.5 -155 -0.12% ✗ $1.7K
Nov 15, 2023 Nov 16, 2023 RODRIGUEZ RICARDO C. CFO Sell 52.5 -111 -0.15% ✗ $1.1K
Nov 2, 2023 Nov 3, 2023 SCHILLING KEITH L President Sell 52.5 -349 -0.45% ✗ $3K
Sep 13, 2023 Sep 14, 2023 Daniel Santhosh P Chief Accounting Officer Neutral 90.0 +15,974 798.70% ✗ -
Sep 14, 2023 Daniel Santhosh P Chief Accounting Officer Neutral 52.5 - 0.00% ✗ -
Sep 7, 2023 Sep 8, 2023 Landes Gregg SVP, Operations and Strat Dev Neutral 52.5 - 0.00% ✗ -