Aspen Aerogels Inc (ASPN) Insider Ownership

Historic Insider Ownership Trends

Aspen Aerogels's top three insider shareholders as of May 23, 2026 are River Capital, Llc Wood (TenPercentOwner, 12.28Mn shares), Donald R Young (President And Ceo, 637.83K shares), Robert M. Gervis (Director, 355.18K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
John F Fairbanks Vp, Cfo And Treasurer 141,277 0 01 Mar, 2022
Mark L Noetzel - 121,220 0 31 May, 2024
Robert M. Gervis - 355,182 0 06 Jun, 2022
Donald R Young President And Ceo 637,834 0 10 Mar, 2026
George L Gould Chief Technology Officer 95,381 0 25 Feb, 2022
Corby C Whitaker Chief Commercial Officer 205,315 0 10 Mar, 2026
Richard F Reilly - 79,231 0 06 Jun, 2022
Steven R Mitchell - 146,528 0 01 May, 2025
Keith L Schilling Svp, Technology 49,797 0 11 Mar, 2025
Kelley Conte Senior Vice President, Hr 128,183 0 02 Jun, 2023
Gregg Landes Chief Operating Officer 102,931 0 10 Mar, 2026
River Capital, Llc Wood - 12,280,426 0 15 May, 2024
Ricardo C. Rodriguez Cfo Treasurer 57,311 0 11 Mar, 2025
Virginia Johnson Clo, Gc, And Secretary 44,450 0 27 May, 2025
Kathleen Kool - 23,953 0 01 May, 2025
Stephanie Pittman Chief Human Resources Officer 42,257 0 08 Sep, 2025
Cari Robinson - 12,246 0 01 May, 2025
Grant Douglas Thoele Cfo Treasurer 77,732 0 10 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
08 Mar, 2026 Grant Douglas Thoele Common Stock D 590 $3.22 77,732 D F
08 Mar, 2026 Gregg Landes Common Stock D 1,924 $3.22 102,931 D F
08 Mar, 2026 Donald R Young Common Stock D 4,275 $3.22 637,834 D F
08 Mar, 2026 Grant Douglas Thoele Common Stock D 590 $3.22 77,732 D F
08 Mar, 2026 Gregg Landes Common Stock D 1,924 $3.22 102,931 D F
08 Mar, 2026 Corby C Whitaker Common Stock D 1,924 $3.22 205,315 D F
08 Mar, 2026 Corby C Whitaker Common Stock D 1,924 $3.22 205,315 D F
08 Mar, 2026 Donald R Young Common Stock D 4,275 $3.22 637,834 D F
04 Mar, 2026 Corby C Whitaker Common Stock A 57,462 $0.00 211,146 D A
04 Mar, 2026 Gregg Landes Common Stock A 57,462 $0.00 108,669 D A
04 Mar, 2026 Donald R Young Common Stock A 156,716 $0.00 650,727 D A
04 Mar, 2026 Grant Douglas Thoele Common Stock A 55,298 $0.00 80,690 D A
04 Mar, 2026 Gregg Landes Common Stock A 57,462 $0.00 108,669 D A
04 Mar, 2026 Donald R Young Common Stock A 156,716 $0.00 650,727 D A
04 Mar, 2026 Corby C Whitaker Common Stock A 57,462 $0.00 211,146 D A
04 Mar, 2026 Grant Douglas Thoele Common Stock A 55,298 $0.00 80,690 D A
05 Mar, 2026 Donald R Young Common Stock D 8,618 $3.27 642,109 D F
05 Mar, 2026 Corby C Whitaker Common Stock D 3,907 $3.27 207,239 D F
05 Mar, 2026 Grant Douglas Thoele Common Stock D 2,368 $3.27 78,322 D F
05 Mar, 2026 Gregg Landes Common Stock D 3,814 $3.27 104,855 D F