Cotton Stephen Insider Trading Activity (AQMS)

Summary

Updated Jul 16, 2026

Cotton Stephen has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying.

Profile

Stephen Cotton is the Chief Executive Officer and a Director at Aqua Metals, Inc., a company specializing in lead recycling through its proprietary AquaRefining process. He has been involved in the company's operations and strategic direction, contributing to its innovative approach in the recycling industry.

Role	Chief Executive Officer, Director
Notability	30/100

Board memberships

Aqua Metals, Inc.

Awards & honors

CEO of Aqua Metals, Inc.
Director at Aqua Metals, Inc.
Developed AquaRefining process

Recent Transactions

Date	Ticker	Company	Code	Shares	Price	Value
2026-07-07	AQMS	Aqua Metals, Inc.	F — Tax withholding / forfeiture	2.4K	$2.97	$7K
2026-04-15	AQMS	Aqua Metals, Inc.	F — Tax withholding / forfeiture	2.4K	$3.92	$9K
2026-02-27	AQMS	Aqua Metals, Inc.	F — Tax withholding / forfeiture	3.3K	$4.76	$16K
2026-02-17	AQMS	Aqua Metals, Inc.	A — Grant or award	79.9K	$4.72	$377K
2025-10-13	AQMS	Aqua Metals, Inc.	A — Grant or award	33.3K	$9.58	$319K
2025-09-19	AQMS	Aqua Metals, Inc.	F — Tax withholding / forfeiture	4.8K	$4.12	$20K
2025-09-19	AQMS	Aqua Metals, Inc.	A — Grant or award	11.2K	$0.00
2025-08-19	AQMS	Aqua Metals, Inc.	F — Tax withholding / forfeiture	1.9K	$3.68	$7K
2025-08-19	AQMS	Aqua Metals, Inc.	A — Grant or award	46.8K	$3.95	$185K
2025-07-01	AQMS	Aqua Metals, Inc.	F — Tax withholding / forfeiture	9.3K	$0.49	$5K
2024-12-23	AQMS	Aqua Metals, Inc.	A — Grant or award	271.9K	$0.00

Frequently Asked Questions

Who is Cotton Stephen?

How many SEC Form 4 filings has Cotton Stephen submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Has Cotton Stephen been buying or selling stock?

Recorded transactions: 1 open-market purchases () and 0 open-market sales () across all tracked filings.

Where can I see all of Cotton Stephen's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Cotton Stephen — SEC Form 4 Insider Trading Activity