ASPEN AEROGELS INC (ASPN)

Insider Trading Filed: 2026-05-14

Key Insights

Director Steven R. Mitchell received 10,370 restricted stock units (RSUs) as part of annual non-employee director compensation, vesting in May 2027 or prior to the 2027 annual meeting, indicating continued board engagement.
Mitchell also received 8,706 stock options with a $5.40 exercise price and 10-year expiration, representing confidence in long-term company value at current market levels.
Total beneficial ownership increased to 156,898 shares following the transaction, with the RSU grant constituting a routine component of director compensation rather than a discretionary insider buy signal.
The transaction is non-discretionary equity compensation awarded pursuant to the company's director compensation policy, providing minimal insight into insider sentiment regarding stock valuation or near-term prospects.

Insider Trading Filed: 2026-05-14

Key Insights

Director James E. Sweetnam received annual equity compensation consisting of 10,370 RSUs and 8,706 stock options, a standard director compensation arrangement indicating normal board governance practices.
RSUs and options vest on May 13, 2027, or prior to the 2027 annual stockholder meeting, creating a retention incentive aligned with shareholder interests through equity-based compensation.
Sweetnam's total beneficial ownership increased to 36,321 shares following the grant, demonstrating modest accumulated equity stake as a board member rather than significant insider accumulation.
The $5.40 exercise price on granted options reflects the compensation grant date valuation and represents the current or recent market price, indicating standard option grant practices.

Insider Trading Filed: 2026-05-14

Key Insights

Director William P. Noglows acquired 10,370 restricted stock units (RSUs) as part of annual non-employee director compensation, with vesting scheduled for May 2027 or prior to the 2027 annual meeting, indicating standard equity grant practices.
Noglows also received 8,706 stock options at $5.40 exercise price as part of director compensation, vesting on the same schedule, demonstrating the company's use of equity incentives for board retention.
Following the transaction, Noglows beneficially owns 99,357 common shares directly plus an additional 20,000 shares held indirectly through two trusts for his children, reflecting a substantial accumulated stake in the company.
The transactions were executed at $0 price for RSUs and options, representing standard equity grants rather than open market purchases, which carries minimal insider confidence signal regarding stock valuation.

Insider Trading Filed: 2026-05-14

Key Insights

Director Kathleen Kool received annual equity compensation consisting of 10,370 RSUs and 8,706 stock options, representing standard non-employee director grants rather than discretionary awards, indicating regular compensation practices.
RSUs and options both vest on May 13, 2027 or the day prior to the 2027 annual shareholder meeting, with options exercisable at $5.40 per share, suggesting the company stock was trading near that level on the grant date.
Following this transaction, Kool's total beneficial ownership is 34,323 shares (23,953 shares plus 10,370 RSUs), demonstrating modest director-level ownership stake in ASPEN Aerogels.
The $0 price notation for RSUs and the option exercise price of $5.40 reflect standard SEC reporting conventions for equity grants; this is a routine annual compensation issuance with no unusual terms or conditions.

Insider Trading Filed: 2026-05-14

Key Insights

Director Cari Robinson received annual equity compensation of 10,370 RSUs and 8,706 stock options on 05/13/2026, representing routine non-employee director compensation rather than insider buying activity.
Robinson's total beneficial ownership increased to 22,616 shares following the grant, with RSUs vesting on the earlier of May 13, 2027 or the day prior to the 2027 annual meeting, indicating standard director retention practices.
The $5.40 exercise price on the granted stock options reflects the compensation grant date valuation and does not indicate any market timing or insider confidence signals regarding future stock performance.
As a non-employee director, Robinson's holdings and compensation structure are governed by the company's Non-Employee Director Compensation Policy, suggesting governance compliance rather than material insider activity to monitor.

Quarterly Report Filed: 2026-05-08

Key Insights

The filing reveals multiple debt facilities with SOFR-based interest rate structures (First Amendment to Mid-Cap Loan Facility and Asset-Based Revolving Credit Facility), indicating the company has refinanced and updated its capital structure with floating-rate exposure that will increase financing costs if rates remain elevated.
The company shows customer concentration risk with Customer A and Customer B generating significant revenue, representing potential revenue volatility if major customer relationships deteriorate or orders fluctuate.
Thermal Barrier segment appears as a distinct operating segment with international operations (US, Mexico, Germany, Latin America), suggesting geographic and product diversification, though segment profitability metrics are not clearly visible in the index structure provided.

Current Report Filed: 2026-04-21

Key Insights

Manufacturing facility in East Providence, Rhode Island remains offline following an April 8, 2026 explosion originating from a high-temperature oven, creating significant operational disruption and revenue risk until operations resume.
Company has initiated insurance claims for business interruption and property damage, which may partially offset financial losses, but timing and adequacy of coverage recovery remains uncertain.
No fatalities reported with 11 employees transported for evaluation and released, mitigating immediate liability exposure, though investigation is ongoing and could reveal additional safety or operational issues.
Substantial revenue impact expected in Q1 2026 with facility offline; company will provide detailed financial impact assessment in early May earnings release, creating near-term uncertainty for investors.

Insider Trading Filed: 2026-03-10

Key Insights

The reporting person, Grant Douglas Thoele, who is the Chief Financial Officer and Treasurer of Aspen Aerogels Inc., disposed of 590 shares of the company's common stock to satisfy minimum statutory tax withholding requirements on the vesting of his restricted stock units (RSUs).
Following the reported transaction, the reporting person beneficially owns a total of 77,732 shares, consisting of 10,111 shares of common stock and 67,621 RSUs.
The transaction appears to be a routine practice of an insider selling shares to cover tax obligations, which is a common occurrence for executives holding equity-based compensation.

Insider Trading Filed: 2026-03-10

Key Insights

Corby C. Whitaker, the Chief Commercial Officer of Aspen Aerogels Inc., disposed of 1,924 shares of common stock through a share withholding transaction to satisfy minimum statutory tax withholding requirements on the vesting of restricted stock units (RSUs).
Whitaker continues to beneficially own 205,315 shares of Aspen Aerogels' common stock, including 77,145 RSUs, indicating he maintains a significant ownership stake in the company.
The reported transaction is a routine, non-discretionary event related to the vesting of Whitaker's equity compensation and does not suggest any broader changes in his investment position or outlook on the company.

Insider Trading Filed: 2026-03-10

Key Insights

The reporting person, Donald R. Young, is the President and CEO of Aspen Aerogels Inc., indicating his significant leadership role in the company.
Donald R. Young disposed of 4,275 shares of Aspen Aerogels common stock, likely to satisfy minimum statutory tax withholding requirements on the vesting of his Restricted Stock Units (RSUs).
After the reported transaction, Donald R. Young continues to beneficially own a substantial number of shares (637,834) and RSUs (199,485), suggesting his continued commitment and alignment with the company's long-term success.

Insider Trading Filed: 2026-03-10