Gregory B Brown
CIK 1373585 · View on SEC EDGAR ↗
First SEC filing: July 24, 2018 · Latest: June 12, 2026
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Insider transactions
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 |