Steve Dubin
Insider
First SEC filing: Sept. 18, 2020 · Latest: Sept. 18, 2020
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 21, 2026 | ACET | A | 4,200 | · | · | 4,200 Direct | · | Acquired | (price as of 2026-10-05) |
| June 11, 2025 | ACET | A | 26,400 | · | · | 26,400 Direct | · | Acquired | (price as of 2026-10-05) |
| June 11, 2025 | ACET | A | 5,900 | · | · | 22,700 Direct | +35.12% | Acquired | (price as of 2026-10-05) |
| Aug. 21, 2024 | ACET | A | 18,500 | · | · | 18,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 21, 2024 | ACET | D | 18,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 21, 2024 | ACET | A | 18,500 | · | · | 18,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 21, 2024 | ACET | D | 26,400 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 21, 2024 | ACET | A | 26,400 | · | · | 26,400 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 21, 2024 | ACET | D | 18,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 21, 2024 | ACET | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 21, 2024 | ACET | D | 30,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 5, 2024 | ACET | A | 26,400 | · | · | 26,400 Direct | · | Acquired | (price as of 2026-10-05) |
| June 5, 2024 | ACET | A | 5,900 | · | · | 16,800 Direct | +54.13% | Acquired | (price as of 2026-10-05) |
| Aug. 14, 2023 | ACET | A | 26,400 | · | · | 26,400 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 14, 2023 | ACET | D | 26,400 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 14, 2023 | ACET | A | 18,500 | · | · | 18,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 14, 2023 | ACET | D | 18,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 14, 2023 | ACET | A | 18,500 | · | · | 18,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 14, 2023 | ACET | D | 18,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 14, 2023 | ACET | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 14, 2023 | ACET | D | 30,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 30, 2023 | ACET | P | 5,000 | $2.40 | $12,000 | 10,900 Direct | +84.75% | Acquired | -83.2% (price as of 2026-10-05) |
| June 1, 2023 | ACET | A | 26,400 | · | · | 26,400 Direct | · | Acquired | (price as of 2026-10-05) |
| June 1, 2023 | ACET | A | 5,900 | · | · | 5,900 Direct | · | Acquired | (price as of 2026-10-05) |
| June 2, 2022 | ACET | A | 18,500 | · | · | 18,500 Direct | · | Acquired | (price as of 2026-10-05) |
| April 30, 2021 | ACET | A | 18,500 | · | · | 18,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 17, 2020 | ACET | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 21, 2026 | ACET | Stock Option (Right to Buy) | Common Stock | $8.10 | June 20, 2036 | 4,200 | Acquired |
| June 11, 2025 | ACET | Stock Option (Right to Buy) | Common Stock | $0.78 | June 10, 2035 | 26,400 | Acquired |
| Aug. 21, 2024 | ACET | Stock Option (Right to Buy) | Common Stock | · | April 29, 2031 | 18,500 | Acquired |
| Aug. 21, 2024 | ACET | Stock Option (Right to Buy) | Common Stock | $2.14 | June 1, 2032 | 18,500 | Disposed |
| Aug. 21, 2024 | ACET | Stock Option (Right to Buy) | Common Stock | · | June 1, 2032 | 18,500 | Acquired |
| Aug. 21, 2024 | ACET | Stock Option (Right to Buy) | Common Stock | $2.14 | May 31, 2033 | 26,400 | Disposed |
| Aug. 21, 2024 | ACET | Stock Option (Right to Buy) | Common Stock | · | May 31, 2033 | 26,400 | Acquired |
| Aug. 21, 2024 | ACET | Stock Option (Right to Buy) | Common Stock | $2.14 | April 29, 2031 | 18,500 | Disposed |
| Aug. 21, 2024 | ACET | Stock Option (Right to Buy) | Common Stock | · | Sept. 16, 2030 | 30,000 | Acquired |
| Aug. 21, 2024 | ACET | Stock Option (Right to Buy) | Common Stock | $2.14 | Sept. 16, 2030 | 30,000 | Disposed |
| June 5, 2024 | ACET | Stock Option (Right to Buy) | Common Stock | $1.44 | June 4, 2034 | 26,400 | Acquired |
| Aug. 14, 2023 | ACET | Stock Option (Right to Buy) | Common Stock | · | May 31, 2033 | 26,400 | Acquired |
| Aug. 14, 2023 | ACET | Stock Option (Right to Buy) | Common Stock | $5.20 | May 31, 2033 | 26,400 | Disposed |
| Aug. 14, 2023 | ACET | Stock Option (Right to Buy) | Common Stock | · | June 1, 2032 | 18,500 | Acquired |
| Aug. 14, 2023 | ACET | Stock Option (Right to Buy) | Common Stock | $11.49 | June 1, 2032 | 18,500 | Disposed |
| Aug. 14, 2023 | ACET | Stock Option (Right to Buy) | Common Stock | · | April 29, 2031 | 18,500 | Acquired |
| Aug. 14, 2023 | ACET | Stock Option (Right to Buy) | Common Stock | $15.93 | April 29, 2031 | 18,500 | Disposed |
| Aug. 14, 2023 | ACET | Stock Option (Right to Buy) | Common Stock | · | Sept. 16, 2030 | 30,000 | Acquired |
| Aug. 14, 2023 | ACET | Stock Option (Right to Buy) | Common Stock | $16.11 | Sept. 16, 2030 | 30,000 | Disposed |
| June 1, 2023 | ACET | Stock Option (Right to Buy) | Common Stock | $5.20 | May 31, 2033 | 26,400 | Acquired |
| June 2, 2022 | ACET | Stock Option (Right to Buy) | Common stock | $11.49 | June 1, 2032 | 18,500 | Acquired |
| April 30, 2021 | ACET | Stock Option (Right to Buy) | Common Stock | $15.93 | April 29, 2031 | 18,500 | Acquired |
| Sept. 17, 2020 | ACET | Stock Option (Right to Buy) | Common Stock | $16.11 | Sept. 16, 2030 | 30,000 | 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 |
|---|---|---|---|---|
| Sept. 18, 2020 | ACET | Non-Qualified Stock Option (right to buy) | 30,000 | Direct |