Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 13 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

13 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 13, 2025 ASPN S 2,000 $7.54 $15,080 17,879 Direct -10.06% Disposed -24.5% (price as of 2026-10-02)
Aug. 12, 2025 ASPN S 4,410 $7.31 $32,237 19,879 Direct -18.16% Disposed -22.2% (price as of 2026-10-02)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
March 5, 2025 ASPN Performance Share Units Common Stock (9,566) · · 9,566 Acquired
March 5, 2025 ASPN Stock Options (Right to Buy) Common Stock (6,742) $7.84 March 5, 2035 6,742 Acquired
March 5, 2024 ASPN Stock Options (Right to Buy) Common Stock (5,371) $16.34 March 5, 2034 5,371 Acquired
Sept. 13, 2023 ASPN Stock Option (Right-to-Buy) Common Stock (15,794) $6.26 Sept. 13, 2033 15,974 Acquired
Jan. 23, 2023 SYM Restricted Stock Units Class A Common Stock (57,188) · · 57,188 Acquired
Aug. 17, 2022 SYM Restricted Stock Units Class A Common Stock (18,975) · · 18,975 Acquired

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

Initial ownership (Form 3) 1 holding

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Sept. 14, 2023 ASPN Common Stock 2,000 Direct