Aqua Metals, Inc. (AQMS) Insider Ownership

Historic Insider Ownership Trends

Aqua Metals's three largest insider shareholders as of June 09, 2026 are Stephen Cotton (Chief Executive Officer, 5.06Mn shares), David Mcmurtry (Chief Business Officer, 686.28K shares), Judd Merrill (Chief Financial Officer, 482.25K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Stephen Cotton Chief Executive Officer 5,057,806 0 14 Dec, 2022
Judd Merrill Chief Financial Officer 482,249 0 06 Jul, 2021
Peifang Zhang - 86,085 0 08 May, 2025
Benjamin S. Taecker Chief Eng And Opr Officer 365,091 0 08 Jul, 2022
David Mcmurtry Chief Business Officer 686,277 0 03 Jul, 2024
Sung Yi - 0 105,500 16 May, 2024
Eric John Gangloff - 119,208 0 08 May, 2025
Eric West Chief Financial Officer 65,058 0 15 Apr, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
13 Apr, 2026 Benjamin S. Taecker Common Stock D 715 $3.92 58,065 D F
13 Apr, 2026 Eric West Common Stock D 863 $3.92 65,058 D F
13 Apr, 2026 Stephen Cotton Common Stock D 2,352 $3.92 219,673 D F
13 Apr, 2026 Eric West Common Stock D 863 $3.92 65,058 D F
13 Apr, 2026 Stephen Cotton Common Stock D 2,352 $3.92 219,673 D F
24 Feb, 2026 Benjamin S. Taecker Common Stock D 1,006 $4.76 58,780 D F
24 Feb, 2026 Eric West Common Stock D 1,214 $4.76 65,921 D F
24 Feb, 2026 Stephen Cotton Common Stock D 3,307 $4.76 222,025 D F
24 Feb, 2026 Stephen Cotton Common Stock D 3,307 $4.76 222,025 D F
24 Feb, 2026 Stephen Cotton Common Stock D 3,307 $4.76 222,025 D F
24 Feb, 2026 Eric West Common Stock D 1,214 $4.76 65,921 D F
24 Feb, 2026 Eric West Common Stock D 1,214 $4.76 65,921 D F
13 Feb, 2026 Stephen Cotton Common Stock A 79,873 $4.72 225,332 D A
13 Feb, 2026 Benjamin S. Taecker Common Stock A 23,306 $4.72 59,786 D A
13 Feb, 2026 Eric West Common Stock A 28,390 $4.72 67,135 D A
13 Feb, 2026 Stephen Cotton Common Stock A 79,873 $4.72 225,332 D A
13 Feb, 2026 Stephen Cotton Common Stock A 79,873 $4.72 225,332 D A
13 Feb, 2026 Eric West Common Stock A 28,390 $4.72 67,135 D A
13 Feb, 2026 Eric West Common Stock A 28,390 $4.72 67,135 D A
07 Jan, 2026 Stephen Cotton Common Stock D 2,100 $0.00 145,459 D D