Stephen Cotton
Chief Executive Officer, Director at Aqua Metals, Inc. (AQMS)
Stephen Cotton has filed 33 insider reports with the SEC since March 2021, as chief Executive Officer and director at Aqua Metals, Inc. (AQMS). Stephen Cotton made no open-market purchases or sales in the last 12 months. The latest filing, on August 26, 2026, reports grant or award at Aqua Metals, Inc. (AQMS).
- Filings
- 33
- Companies
- 1
- Bought on market
- $97.5K
- Sold on market
- $2.55M
Companies where Stephen Cotton is an insider
| Company | Role | Shares held | Bought | Sold | Avg buy | Price now | Last filing |
|---|---|---|---|---|---|---|---|
| AQMS Aqua Metals, Inc. | Chief Executive Officer, Director | 318,784 | $97.5K | $2.55M | $0.39 | $1.50+285% | Aug 26, 2026 |
Shares held: common shares owned directly after the latest filing that states it. Avg buy: open-market purchase dollars divided by shares bought, every filing on record. Price now: the latest daily close, against the average buy price.
Every filing
- Aug 24, 2026AQMSChief Executive Officer Cotton Stephen was granted 104,818 shares, increasing direct ownership by 49% to 318,784 unitsForm 4Grant or award
- Aug 19, 2026AQMSChief Executive Officer Cotton Stephen covered exercise/tax liability with 3,305 shares, decreasing direct ownership by 2% to 213,966 unitsForm 4Shares withheld for taxes or exercise price
- Jul 1, 2026AQMSChief Executive Officer Cotton Stephen covered exercise/tax liability with 2,402 shares, decreasing direct ownership by 1% to 217,271 unitsForm 4Shares withheld for taxes or exercise price
- Apr 13, 2026AQMSSEC Form 4 filed by Cotton StephenForm 4Shares withheld for taxes or exercise price
- Feb 24, 2026AQMSChief Executive Officer Cotton Stephen covered exercise/tax liability with 3,307 shares, decreasing direct ownership by 1% to 222,025 unitsForm 4Shares withheld for taxes or exercise price
- Feb 13, 2026AQMSChief Executive Officer Cotton Stephen was granted 79,873 shares, increasing direct ownership by 55% to 225,332 unitsForm 4Grant or award
- Jan 7, 2026AQMSChief Executive Officer Cotton Stephen returned 2,100 shares to the company, decreasing direct ownership by 1% to 145,459 unitsForm 4Sale back to the company
- Jan 2, 2026AQMSChief Executive Officer Cotton Stephen covered exercise/tax liability with 3,208 shares, decreasing direct ownership by 2% to 147,559 unitsForm 4Shares withheld for taxes or exercise price
- Dec 18, 2025AQMSChief Executive Officer Cotton Stephen covered exercise/tax liability with 6,247 shares and was granted 14,749 shares, increasing direct ownership by 6% to 150,767 unitsForm 4Grant or awardShares withheld for taxes or exercise price
- Oct 13, 2025AQMSChief Executive Officer Cotton Stephen was granted 33,320 shares, increasing direct ownership by 31% to 142,265 unitsForm 4Grant or award
- Sep 19, 2025AQMSChief Executive Officer Cotton Stephen was granted 11,250 shares and covered exercise/tax liability with 4,765 shares, increasing direct ownership by 6% to 110,604 unitsForm 4Grant or awardShares withheld for taxes or exercise price
- Aug 20, 2025AQMSChief Executive Officer Cotton Stephen was granted 46,824 shares and covered exercise/tax liability with 1,920 shares, increasing direct ownership by 76% to 104,119 unitsForm 4Grant or awardShares withheld for taxes or exercise price
- Jul 1, 2025AQMSChief Executive Officer Cotton Stephen covered exercise/tax liability with 9,301 shares, decreasing direct ownership by 2% to 592,154 unitsForm 4Shares withheld for taxes or exercise price
- Feb 20, 2025AQMSChief Executive Officer Cotton Stephen was granted 37,103 shares, increasing direct ownership by 7% to 601,455 unitsForm 4Grant or award
- Jan 1, 2025AQMSChief Executive Officer Cotton Stephen covered exercise/tax liability with 13,337 shares, decreasing direct ownership by 2% to 564,352 unitsForm 4Shares withheld for taxes or exercise price
- Dec 19, 2024AQMSChief Executive Officer Cotton Stephen was granted 271,927 shares, increasing direct ownership by 89% to 577,689 unitsForm 4Grant or award
- Dec 19, 2024AQMSSEC Form 4 filed by Chief Executive Officer Cotton StephenForm 4Open-market purchase
- Jul 1, 2024AQMSChief Executive Officer Cotton Stephen covered exercise/tax liability with 236,986 shares, decreasing direct ownership by 4% to 6,115,247 unitsForm 4Shares withheld for taxes or exercise price
- May 14, 2024+$97.5KAQMSCotton Stephen bought $97,500 worth of shares (250,000 units at $0.39), increasing direct ownership by 4% to 6,352,233 unitsForm 4/AOpen-market purchase
- Jan 2, 2024AQMSCotton Stephen covered exercise/tax liability with 220,103 shares, decreasing direct ownership by 3% to 6,202,233 unitsForm 4Shares withheld for taxes or exercise price
- Dec 12, 2023AQMSCotton Stephen was granted 1,885,000 shares, increasing direct ownership by 42% to 6,422,606 unitsForm 4Grant or award
- Jul 6, 2023AQMSSEC Form 4 filed by Cotton StephenForm 4Sale back to the companyShares withheld for taxes or exercise price10b5-1 plan
- Mar 23, 2023AQMSSEC Form 4 filed by Cotton StephenForm 4Shares withheld for taxes or exercise price
- Jan 3, 2023AQMSSEC Form 4: Cotton Stephen covered exercise/tax liability with 228,732 shares, decreasing direct ownership by 4% to 4,929,074 unitsForm 4Shares withheld for taxes or exercise price
- Dec 22, 2022AQMSSEC Form 4: Cotton Stephen was granted 100,000 shares, increasing direct ownership by 2% to 5,157,806 unitsForm 4Grant or award
- Dec 12, 2022AQMSSEC Form 4: Cotton Stephen was granted 1,270,589 shares, increasing direct ownership by 34% to 5,057,806 unitsForm 4Grant or award
- Jul 8, 2022-$218KAQMSSEC Form 4: Cotton Stephen sold $218,494 worth of shares (283,758 units at $0.77), decreasing direct ownership by 7% to 3,787,217 units (withholding obligation)Form 4Open-market sale
- Mar 24, 2022-$142KAQMSSEC Form 4: Cotton Stephen sold $141,853 worth of shares (100,605 units at $1.41), decreasing direct ownership by 2% to 4,070,975 units to cover taxesForm 4Open-market sale
- Jan 5, 2022-$158KAQMSSEC Form 4: Cotton Stephen sold $158,082 worth of shares (124,474 units at $1.27), decreasing direct ownership by 3% to 4,171,580 units to satisfy withholding taxForm 4Open-market sale
- Dec 13, 2021AQMSSEC Form 4: Cotton Stephen was granted 722,334 shares, increasing direct ownership by 20% to 4,296,054 unitsForm 4Grant or award
- Jul 2, 2021-$523KAQMSSEC Form 4: Cotton Stephen sold $523,499 worth of Common Shares (193,173 units at $2.71), decreasing direct ownership by 12% to 1,483,354 units (for tax liability)Form 4Open-market sale
- Mar 24, 2021-$340KAQMSSEC Form 4: Stephen Cotton sold $340,121 worth of Common Shares (87,660 units at $3.88), decreasing direct ownership by 7% to 1,215,213 unitsForm 4Open-market sale
- Mar 2, 2021-$1.17MAQMSSEC Form 4: Stephen Cotton exercised 232,461 units of Common Stock at a strike of $1.88 and sold $1,172,804 worth of Common Stock (232,461 units at $5.05)Form 4Exercise or conversion of a derivativeOpen-market sale
Compare Stephen Cotton with
- Stephen Cotton vs Steven K Henderson1 shared
- Stephen Cotton vs Vincent L Divito1 shared
- Stephen Cotton vs Eric John Gangloff1 shared
- Stephen Cotton vs Eric West1 shared
- Stephen Cotton vs Benjamin S. Taecker1 shared
- Stephen Cotton vs Peifang Zhang1 shared
Other insiders at the same companies
- Vincent L DivitoAQMS
- Eric John GangloffAQMS
- Steven K HendersonAQMS
- Eric WestAQMS
- Benjamin S. TaeckerAQMS
- Peifang ZhangAQMS
- Judd MerrillAQMS
Questions about Stephen Cotton
- What is Stephen Cotton's role at Aqua Metals, Inc.?
- Stephen Cotton reports to the SEC as chief Executive Officer and director at Aqua Metals, Inc. (AQMS), according to the latest filing on August 26, 2026.
- How many shares does Stephen Cotton own?
- After the latest filing that states it, Stephen Cotton directly owned 318,784 shares of Aqua Metals, Inc. (AQMS). Shares held through trusts, funds or family members are reported separately and are not counted here.
- Has Stephen Cotton bought or sold stock recently?
- The most recent open-market purchase was on May 14, 2024: bought 250,000 shares of Aqua Metals, Inc. (AQMS) for $97.5K at an average of $0.39. The most recent open-market sale was on July 8, 2022: sold 283,758 shares of Aqua Metals, Inc. (AQMS) for $218K at an average of $0.77.
- How do I get alerts when Stephen Cotton files?
- Follow Stephen Cotton on Quantisnow and you get an email, and a phone notification on Plus, within minutes of each new Form 4 or Form 5, and of each Form 144 notice of a planned sale. Stephen Cotton filed 2 times in the last 90 days.
From SEC Forms 3, 4, 5 and 144 filed by Stephen Cotton (SEC CIK 0001649322). Totals count each trade once, skipping amendments whose original is on file, from Mar 3, 2021 on. View on SEC EDGAR