ASPEN AEROGELS INC (ASPN) Stock Ownership

NYSE:ASPN • US04523Y1055

Current stock price

3.69 USD
+0.22 (+6.34%)
At close:
3.65 USD
-0.04 (-1.08%)
After Hours:

ASPN Ownership information

ASPN Ownership Chart.ASPN Ownership Chart: showing Insider, Institutional ownership and shares available to the public.ASPN Ownership.InsiderInstitutionalPublic



Shares Outstanding82.83M
Float68.85M
Float Short Interest Percentage10.25%
Owners (insider)1.11%
Owners (institutional)71.67%
Owners (insider) change0.97%
Owners (institutional) change0%
ASPN Institutional Ownership HistoryASPN Institutional Ownership HistoryASPN Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 Mar 2026 20M 40M 60M
ASPN Historical Insider Transactions ChartASPN Historical Insider Buy and Sell Transactions ChartASPN Historical Insider Transactions May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 Apr 2026 0 100K 200K 300K
DateNameTypeSharesPriceAmount
Mar 8, 2026Whitaker Corby COption Excercise19243.22$ 6,195.28
Mar 8, 2026Thoele Grant DouglasOption Excercise5903.22$ 1,899.80
Mar 8, 2026Young Donald ROption Excercise42753.22$ 13,765.50
Mar 8, 2026Landes GreggOption Excercise19243.22$ 6,195.28
Mar 5, 2026Young Donald ROption Excercise86183.27$ 28,180.86
Mar 5, 2026Landes GreggOption Excercise38143.27$ 12,471.78
Mar 5, 2026Whitaker Corby COption Excercise39073.27$ 12,775.89
Mar 5, 2026Daniel Santhosh POption Excercise9863.27$ 3,224.22
Mar 5, 2026Thoele Grant DouglasOption Excercise23683.27$ 7,743.36
Mar 4, 2026Young Donald RGrant1567160.00$ 0.00
Mar 4, 2026Landes GreggGrant574620.00$ 0.00
Mar 4, 2026DEEGAN GLENN E.Grant555030.00$ 0.00
Mar 4, 2026Whitaker Corby CGrant574620.00$ 0.00
Mar 4, 2026Thoele Grant DouglasGrant552980.00$ 0.00
Nov 13, 2025Young Donald ROpen Market Sale568453.23$ 183,609.35
Oct 1, 2025Thoele Grant DouglasGrant102730.00$ 0.00
Sep 30, 2025DEEGAN GLENN E.Grant116730.00$ 0.00
Sep 13, 2025Daniel Santhosh POption Excercise15636.59$ 10,300.17
Sep 5, 2025Pittman StephanieOption Excercise15816.61$ 10,450.41
Aug 12, 2025Daniel Santhosh POpen Market Sale64107.38$ 47,317.10
May 23, 2025Johnson VirginiaOption Excercise61296.39$ 39,164.31
May 12, 2025Young Donald ROpen Market Purchase200005.35$ 107,000.00
Apr 30, 2025SWEETNAM JAMES EGrant103700.00$ 0.00
Apr 30, 2025Robinson CariGrant103700.00$ 0.00
Apr 30, 2025Kool KathleenGrant103700.00$ 0.00
Apr 30, 2025NOGLOWS WILLIAM PGrant103700.00$ 0.00
Apr 30, 2025Mitchell Steven RGrant103700.00$ 0.00