Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 21 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 23, 2025 ASPN F 6,129 $6.39 $39,164 44,450 Direct -12.12% Disposed -9.6% (price as of 2026-10-05)
March 7, 2025 ASPN F 1,924 $7.95 $15,296 50,579 Direct -3.66% Disposed -27.4% (price as of 2026-10-05)
March 5, 2025 ASPN A 52,614 · · 52,614 Direct · Acquired (price as of 2026-10-05)
March 5, 2025 ASPN A 37,804 · · 37,804 Direct · Acquired (price as of 2026-10-05)
March 5, 2025 ASPN A 26,307 · · 52,503 Direct +100.42% Acquired (price as of 2026-10-05)
March 5, 2025 ASPN F 936 $7.84 $7,338 26,196 Direct -3.45% Disposed -26.3% (price as of 2026-10-05)
June 2, 2024 ASPN F 662 $29.92 $19,807 27,132 Direct -2.38% Disposed -80.7% (price as of 2026-10-05)
March 8, 2024 ASPN F 2,129 $17.02 $36,236 27,794 Direct -7.11% Disposed -66.1% (price as of 2026-10-05)
March 5, 2024 ASPN A 35,249 · · 35,249 Direct -50.00% Disposed (price as of 2026-10-05)
March 5, 2024 ASPN A 8,032 · · 29,923 Direct +36.69% Acquired (price as of 2026-10-05)
March 5, 2024 ASPN D 53,590 · · 21,891 Direct -71.00% Disposed (price as of 2026-10-05)
Sept. 7, 2023 ASPN A 85,000 · · 85,000 Direct · Acquired (price as of 2026-10-05)
June 2, 2023 ASPN F 583 $7.24 $4,221 75,481 Direct -0.77% Disposed -20.2% (price as of 2026-10-05)
June 1, 2023 ASPN A 75,979 · · 75,979 Direct · Acquired (price as of 2026-10-05)
June 1, 2023 ASPN A 16,519 · · 76,064 Direct +27.74% Acquired (price as of 2026-10-05)
June 2, 2022 ASPN A 29,927 · · 29,927 Direct · Acquired (price as of 2026-10-05)
June 2, 2022 ASPN A 53,590 · · 59,545 Direct +899.92% Acquired (price as of 2026-10-05)
June 2, 2022 ASPN A 5,955 · · 5,955 Direct · Acquired (price as of 2026-10-05)
June 2, 2022 ASPN A 29,927 · · 29,927 Direct · Acquired (price as of 2026-10-05)
June 2, 2022 ASPN A 53,590 · · 59,545 Direct +899.92% Acquired (price as of 2026-10-05)
June 2, 2022 ASPN A 5,955 $18.89 $112,490 5,955 Direct · Acquired -69.4% (price as of 2026-10-05)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
March 5, 2025 ASPN Performance Share Units Common Stock (52,614) · · 52,614 Acquired
March 5, 2025 ASPN Stock Options (Right to Buy) Common Stock (37,804) $7.84 March 5, 2035 37,804 Acquired
March 5, 2024 ASPN Stock Options (Right to Buy) Common Stock (35,249) $16.34 March 5, 2024 35,249 Disposed
Sept. 7, 2023 ASPN Stock Option (Right to-Buy) Common Stock (85,000) $6.51 Sept. 7, 2033 85,000 Acquired
June 1, 2023 ASPN Stock Options (Right to Buy) Common Stock (75,979) $6.81 June 1, 2033 75,979 Acquired
June 2, 2022 ASPN Stock Option (Right-to-Buy) Common Stock (29,927) $18.89 June 2, 2032 29,927 Acquired
June 2, 2022 ASPN Stock Option (Right-to-Buy) Common Stock (29,927) $18.89 June 2, 2032 29,927 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $190,385 · · · · · $726,231 $1,933,643
2024 $450,000 · · · $607,500 · $10,350 $1,592,836
2023 $450,000 · $112,494 $710,712 $581,625 · $27,208 $1,882,039

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.