Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 26 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

26 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 19, 2024 AQMS P 37,500 · · 37,500 Direct · Acquired (price as of 2026-10-05)
May 14, 2024 AQMS P 62,500 $0.39 $24,375 421,698 Direct +17.40% Acquired -97.3% (price as of 2026-10-05)
May 14, 2024 AQMS P 62,500 $0.01 $625 62,500 Direct · Acquired 5.0% (price as of 2026-10-05)
Nov. 17, 2023 AQMS P 5,000 $0.89 $4,450 339,590 Direct +1.49% Acquired -98.8% (price as of 2026-10-05)
July 19, 2023 AQMS P 9,000 $1.10 $9,900 334,590 Direct +2.76% Acquired -99.0% (price as of 2026-10-05)
Dec. 23, 2022 AQMS P 10,000 $0.69 $6,900 257,408 Direct +4.04% Acquired -98.5% (price as of 2026-10-05)
June 17, 2020 AQMS P 1,000 $1.01 $1,010 74,884 Direct +1.35% Acquired -99.0% (price as of 2026-10-05)
Aug. 7, 2019 AQMS P 3,048 $1.64 $4,999 44,682 Direct +7.32% Acquired -99.4% (price as of 2026-10-05)
Jan. 17, 2019 AQMS P 5,000 $1.90 $9,500 26,127 Direct +23.67% Acquired -99.4% (price as of 2026-10-05)
June 18, 2018 AQMS P 3,505 $2.85 $9,989 5,505 Direct +175.25% Acquired -99.6% (price as of 2026-10-05)
May 12, 2017 AQMS P 1,000 $12.58 $12,580 2,000 Direct +100.00% Acquired -99.9% (price as of 2026-10-05)
March 8, 2017 AQMS P 1,000 $17.25 $17,250 1,000 Direct · Acquired -99.9% (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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Dec. 19, 2024 AQMS Common Stock Purchase Warrant (right to buy) Common Stock (37,500) $1.92 Dec. 19, 2029 37,500 Acquired
May 14, 2024 AQMS Non-Redeemable Common Stock Purchase Warrant Common Stock (62,500) $0.39 May 17, 2029 62,500 Acquired
May 3, 2021 AQMS Restricted Stock Units Common Shares (20,906) $0.00 · 20,906 Acquired
April 1, 2021 AQMS Restricted Stock Units Common Shares (3,589) $0.00 · 3,589 Acquired
Jan. 4, 2021 AQMS Restricted Stock Units Common Shares (4,335) $0.00 · 4,335 Acquired
Oct. 1, 2020 AQMS Restricted Stock Units Common Shares (16,484) $0.00 · 16,484 Acquired
July 1, 2020 AQMS Restricted Stock Units Common Shares (12,500) $0.00 · 12,500 Acquired
April 2, 2020 AQMS Stock Options Common Shares (36,403) $2.48 May 3, 2024 36,403 Disposed
April 2, 2020 AQMS Restricted Stock Units Common Shares (36,585) $0.00 · 36,585 Acquired
Jan. 3, 2020 AQMS Restricted Share Units Common Shares (20,378) $0.00 March 31, 2025 20,378 Acquired
Oct. 2, 2019 AQMS Restricted Share Units Common Shares (8,824) $0.00 Dec. 31, 2023 8,824 Acquired
May 3, 2019 AQMS Stock Options Common Shares (36,403) $2.48 May 3, 2024 36,403 Acquired
May 4, 2018 AQMS Director Option (right to buy) Common Stock (30,882) $3.93 May 4, 2023 30,882 Acquired
May 1, 2017 AQMS Director Option (Right to Buy) Common Stock (8,334) $16.54 April 30, 2022 8,334 Acquired
May 1, 2016 AQMS Director Option (Right to Buy) Common Stock (14,963) $8.37 April 30, 2021 14,963 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
July 30, 2015 AQMS Director Stock Option (Right to Buy)→ Common Stock (21,853) 21,853 Direct