Stephen Cotton
CIK 1649322 · View on SEC EDGAR ↗
First SEC filing: May 9, 2018 · Latest: May 9, 2018
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 17, 2019 | AQMS | P | 15,000 | $1.90 | $28,500 | 206,457 Direct | +7.83% | Acquired | -99.3% (price as of 2026-08-20) |
| Aug. 13, 2018 | AQMS | P | 6,400 | $2.49 | $15,936 | 80,900 Direct | +8.59% | Acquired | -99.5% (price as of 2026-08-20) |
| June 18, 2018 | AQMS | P | 30,000 | $2.85 | $85,500 | 74,500 Direct | +67.42% | Acquired | -99.5% (price as of 2026-08-20) |
| April 19, 2017 | AQMS | S 10b5-1 | 4,415 | $17.26 | $76,203 | 93,291 Direct | -4.52% | Disposed | -99.9% (price as of 2026-08-20) |
| March 22, 2017 | AQMS | S 10b5-1 | 4,415 | $17.84 | $78,764 | 97,706 Direct | -4.32% | Disposed | -99.9% (price as of 2026-08-20) |
| Aug. 24, 2015 | AQMS | P | 2,500 | $4.73 | $11,825 | 105,121 Direct | +2.44% | Acquired | -99.7% (price as of 2026-08-20) |
| Aug. 21, 2015 | AQMS | P | 2,500 | $4.95 | $12,375 | 102,621 Direct | +2.50% | Acquired | -99.7% (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| Jan. 4, 2019 | AQMS | Employee Stock Option (right to buy) | Common Stock (232,461) | $1.88 | Jan. 4, 2021 | 232,461 | Acquired |
| Jan. 4, 2019 | AQMS | Employee Stock Option | Common Stock (232,461) | $1.88 | Jan. 4, 2021 | 232,461 | Acquired |
| Jan. 8, 2016 | AQMS | Employee Stock Option (Right to Buy) | Common Stock (22,248) | $5.07 | Dec. 17, 2020 | 22,248 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 9, 2018 | AQMS | Common Stock | 44,500 | Direct |
| May 9, 2018 | AQMS | Employee Stock Option (right to buy)→ Common Stock (210,000) | 210,000 | Direct |
| May 9, 2018 | AQMS | Employee Stock Option (right to buy)→ Common Stock (210,000) | 210,000 | Direct |
| May 9, 2018 | AQMS | Employee Stock Option (right to buy)→ Common Stock (420,000) | 420,000 | Direct |
| July 30, 2015 | AQMS | Common Stock | 100,121 | Direct |
| July 30, 2015 | AQMS | Employee Stock Option (Right to Buy)→ Common Stock (286,364) | 286,364 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $511 | $358 | — | — | — | — | — | $1,460 |
| 2023 | $488 | $553 | — | — | — | — | — | $2,463 |
| 2022 | $472 | $473 | — | — | — | — | — | $1,782 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.