Gregory B Brown

CIK 1373585 · View on SEC EDGAR ↗

Insider

First SEC filing: July 24, 2018 · Latest: June 12, 2026

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 24 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.

Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 10, 2026 AQST A 50,500 50,500 Direct Acquired (price as of 2026-08-19)
Jan. 9, 2026 LSTA A 30,456 95,659 Direct +46.71% Acquired (price as of 2026-08-19)
June 11, 2025 AQST A 42,000 $3.41 $143,220 42,000 Direct Acquired 31.3% (price as of 2026-08-19)
Jan. 9, 2025 LSTA A 15,789 65,203 Direct +31.95% Acquired (price as of 2026-08-19)
June 20, 2024 AQST A 38,000 38,000 Direct Acquired (price as of 2026-08-19)
Jan. 9, 2024 LSTA A 19,480 49,414 Direct +65.08% Acquired (price as of 2026-08-19)
June 21, 2023 AQST A 25,000 25,000 Direct Acquired (price as of 2026-08-19)
Jan. 9, 2023 LSTA A 20,000 29,934 Direct +201.33% Acquired (price as of 2026-08-19)
June 22, 2022 AQST A 25,000 25,000 Direct Acquired (price as of 2026-08-19)
Jan. 10, 2022 LSTA A 65,430 149,040 Direct +78.26% Acquired (price as of 2026-08-19)
June 15, 2021 AQST A 20,000 20,000 Direct Acquired (price as of 2026-08-19)
Jan. 11, 2021 LSTA A 37,735 83,610 Direct +82.26% Acquired (price as of 2026-08-19)
June 16, 2020 AQST A 14,000 14,000 Direct Acquired (price as of 2026-08-19)
Jan. 13, 2020 LSTA A 18,292 $3.28 $59,998 45,875 Direct +66.32% Acquired -97.6% (price as of 2026-08-19)
June 13, 2019 AQST A 13,350 13,350 Direct Acquired (price as of 2026-08-19)
Jan. 14, 2019 LSTA A 12,121 $4.95 $59,999 27,583 Direct +78.39% Acquired -98.4% (price as of 2026-08-19)
Jan. 8, 2019 LSTA A 8,747 15,462 Direct +130.26% Acquired (price as of 2026-08-19)
July 24, 2018 AQST A 26,700 26,700 Direct Acquired (price as of 2026-08-19)
Jan. 8, 2018 LSTA A 8,747 8,747 Direct Acquired (price as of 2026-08-19)
May 16, 2017 LSTA A 2,565 6,715 Direct +61.81% Acquired (price as of 2026-08-19)
Jan. 9, 2017 LSTA A 2,750 2,750 Direct Acquired (price as of 2026-08-19)
Jan. 9, 2017 LSTA A 1,650 4,150 Direct +66.00% Acquired (price as of 2026-08-19)
Oct. 10, 2016 LSTA A 4,150 4,150 Direct Acquired (price as of 2026-08-19)
Oct. 10, 2016 LSTA A 2,500 2,500 Direct Acquired (price as of 2026-08-19)

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.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
June 10, 2026 AQST Stock Option (Right to Purchase) Common Stock (50,500) $3.99 June 10, 2036 50,500 Acquired
June 11, 2025 AQST Stock Option (Right to Purchase) Common Stock (42,000) $3.41 June 11, 2035 42,000 Acquired
June 20, 2024 AQST Stock Option (Right to Purchase) Common Stock (38,000) $2.50 June 20, 2034 38,000 Acquired
June 21, 2023 AQST Stock Option (Right to Purchase) Common Stock (25,000) $2.02 June 21, 2033 25,000 Acquired
June 22, 2022 AQST Stock Option (Right to Purchase) Common Stock (25,000) $0.71 June 22, 2032 25,000 Acquired
June 15, 2021 AQST Stock Option (Right to Purchase) Common Stock (20,000) $4.04 June 15, 2031 20,000 Acquired
June 16, 2020 AQST Stock Option (Right to Purchase) Common Stock (14,000) $5.30 June 16, 2030 14,000 Acquired
June 13, 2019 AQST Stock Option (Right to Purchase) Common Stock (13,350) $4.38 June 13, 2029 13,350 Acquired
July 24, 2018 AQST Stock Option (Right to Purchase) Common Stock (26,700) $15.00 July 24, 2028 26,700 Acquired
Jan. 8, 2018 LSTA Restricted Stock Units Common Stock (8,747) Jan. 8, 2028 8,747 Acquired
Jan. 9, 2017 LSTA Options to Purchase Common Stock Common Stock (2,750) $3.54 Jan. 9, 2027 2,750 Acquired
Oct. 10, 2016 LSTA Stock Option Common Stock (4,150) $4.66 Oct. 10, 2026 4,150 Acquired

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

Initial ownership (Form 3) 1 holding

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

Date Ticker Security Shares Ownership
July 24, 2018 AQST Common Stock [F1] 75,085 Direct