AQMS

Aqua Metals, Inc.

Insider trading activity for Aqua Metals, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Transaction history

The 52 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 24	Cotton Stephen	Chief Executive Officer	AGRANT	104,818	—	—	+49.0%	Open the original filing on SEC.gov
Aug 24	Gangloff Eric John	Director	AGRANT	10,427	—	—	+87.5%	Open the original filing on SEC.gov
Aug 24	Divito Vincent L	Director	AGRANT	15,641	—	—	+145.3%	Open the original filing on SEC.gov
Aug 24	Henderson Steven K	Director	AGRANT	10,427	—	—	+162.6%	Open the original filing on SEC.gov
Aug 24	Taecker Benjamin S.	Chief Eng and Opr…	AGRANT	30,958	—	—	+55.0%	Open the original filing on SEC.gov
Aug 24	West Eric	Chief Financial Officer	AGRANT	37,352	—	—	+59.2%	Open the original filing on SEC.gov
Aug 19	Cotton Stephen	Chief Executive Officer	FTAX	3,305	$2.67	$8.8K	-1.5%	Open the original filing on SEC.gov
Aug 19	West Eric	Chief Financial Officer	FTAX	1,213	$2.67	$3.2K	-1.9%	Open the original filing on SEC.gov
Aug 19	Taecker Benjamin S.	Chief Eng and Opr…	FTAX	1,005	$2.67	$2.7K	-1.8%	Open the original filing on SEC.gov
Jul 1	Taecker Benjamin S.	Chief Eng and Opr…	FTAX	744	$2.97	$2.2K	-1.3%	Open the original filing on SEC.gov
Jul 1	Cotton Stephen	Chief Executive Officer	FTAX	2,402	$2.97	$7.1K	-1.1%	Open the original filing on SEC.gov
May 19	West Eric	Chief Financial Officer	FTAX	721	$3.91	$2.8K	-1.1%	Open the original filing on SEC.gov
Apr 13	West Eric	Chief Financial Officer	FTAX	863	$3.92	$3.4K	-1.3%	Open the original filing on SEC.gov
Apr 13	Taecker Benjamin S.	Chief Eng and Opr…	FTAX	715	$3.92	$2.8K	-1.2%	Open the original filing on SEC.gov
Apr 13	Cotton Stephen	Chief Executive Officer	FTAX	2,352	$3.92	$9.2K	-1.1%	Open the original filing on SEC.gov
Feb 24	Cotton Stephen	Chief Executive Officer	FTAX	3,307	$4.76	$15.7K	-1.5%	Open the original filing on SEC.gov
Feb 24	Taecker Benjamin S.	Chief Eng and Opr…	FTAX	1,006	$4.76	$4.8K	-1.7%	Open the original filing on SEC.gov
Feb 24	West Eric	Chief Financial Officer	FTAX	1,214	$4.76	$5.8K	-1.8%	Open the original filing on SEC.gov
Feb 13	West Eric	Chief Financial Officer	AGRANT	28,390	$4.72	$134K	+73.3%	Open the original filing on SEC.gov
Feb 13	Cotton Stephen	Chief Executive Officer	AGRANT	79,873	$4.72	$377K	+54.9%	Open the original filing on SEC.gov
Feb 13	Taecker Benjamin S.	Chief Eng and Opr…	AGRANT	23,306	$4.72	$110K	+63.9%	Open the original filing on SEC.gov
Jan 7	Taecker Benjamin S.	Chief Eng and Opr…	DTOISS◆	1,329	—	—	—	Open the original filing on SEC.gov
Jan 7	Taecker Benjamin S.	Chief Eng and Opr…	DTOISS◆	443	—	—	—	Open the original filing on SEC.gov
Jan 7	Taecker Benjamin S.	Chief Eng and Opr…	DTOISS◆	443	—	—	—	Open the original filing on SEC.gov
Jan 7	Taecker Benjamin S.	Chief Eng and Opr…	DTOISS◆	443	—	—	—	Open the original filing on SEC.gov
Jan 7	Taecker Benjamin S.	Chief Eng and Opr…	DTOISS	13	—	—	<0.1%	Open the original filing on SEC.gov
Jan 7	Cotton Stephen	Chief Executive Officer	DTOISS◆	4,530	—	—	—	Open the original filing on SEC.gov
Jan 7	Cotton Stephen	Chief Executive Officer	DTOISS◆	1,510	—	—	—	Open the original filing on SEC.gov
Jan 7	Cotton Stephen	Chief Executive Officer	DTOISS◆	1,510	—	—	—	Open the original filing on SEC.gov
Jan 7	Cotton Stephen	Chief Executive Officer	DTOISS◆	1,510	—	—	—	Open the original filing on SEC.gov
Jan 7	Cotton Stephen	Chief Executive Officer	DTOISS	2,100	—	—	-1.4%	Open the original filing on SEC.gov
Jan 2	Cotton Stephen	Chief Executive Officer	FTAX	3,208	$4.80	$15.4K	-2.1%	Open the original filing on SEC.gov
Jan 2	Taecker Benjamin S.	Chief Eng and Opr…	FTAX	979	$4.80	$4.7K	-2.6%	Open the original filing on SEC.gov
Dec 18, 2025	Cotton Stephen	Chief Executive Officer	FTAX	6,247	$5.46	$34.1K	-4.0%	Open the original filing on SEC.gov
Dec 18, 2025	Cotton Stephen	Chief Executive Officer	AGRANT	14,749	—	—	+10.4%	Open the original filing on SEC.gov
Nov 20, 2025	West Eric	Chief Financial Officer	FTAX	720	$9.80	$7.1K	-1.8%	Open the original filing on SEC.gov
Oct 13, 2025	Taecker Benjamin S.	Chief Eng and Opr…	AGRANT	10,132	$9.58	$97.1K	+37.1%	Open the original filing on SEC.gov
Oct 13, 2025	Cotton Stephen	Chief Executive Officer	AGRANT	33,320	$9.58	$319.2K	+30.6%	Open the original filing on SEC.gov
Oct 13, 2025	West Eric	Chief Financial Officer	AGRANT	12,224	$9.58	$117.1K	+44.9%	Open the original filing on SEC.gov
Sep 19, 2025	Cotton Stephen	Chief Executive Officer	FTAX	4,765	$4.12	$19.6K	-4.1%	Open the original filing on SEC.gov
Sep 19, 2025	Cotton Stephen	Chief Executive Officer	AGRANT	11,250	—	—	+10.8%	Open the original filing on SEC.gov
Aug 20, 2025	Taecker Benjamin S.	Chief Eng and Opr…	FTAX	564	$3.68	$2.1K	-1.9%	Open the original filing on SEC.gov
Aug 20, 2025	Cotton Stephen	Chief Executive Officer	FTAX	1,920	$3.68	$7.1K	-1.8%	Open the original filing on SEC.gov
Aug 19, 2025	West Eric	Chief Financial Officer	AGRANT	17,179	$3.95	$67.9K	+170.7%	Open the original filing on SEC.gov
Aug 19, 2025	Taecker Benjamin S.	Chief Eng and Opr…	AGRANT	14,238	$3.95	$56.2K	+97.3%	Open the original filing on SEC.gov
Aug 19, 2025	Cotton Stephen	Chief Executive Officer	AGRANT	46,824	$3.95	$185K	+79.1%	Open the original filing on SEC.gov
Jul 1, 2025	Cotton Stephen	Chief Executive Officer	FTAX	9,301	$0.49	$4.6K	-1.6%	Open the original filing on SEC.gov
Jul 1, 2025	Taecker Benjamin S.	Chief Eng and Opr…	FTAX	3,043	$0.49	$1.5K	-2.0%	Open the original filing on SEC.gov
May 6, 2025	Gangloff Eric John	Director	AGRANT	54,347	—	—	+83.8%	Open the original filing on SEC.gov
May 6, 2025	Zhang Peifang	Director	AGRANT	43,478	—	—	+102.0%	Open the original filing on SEC.gov
May 6, 2025	Divito Vincent L	Director	AGRANT	65,217	—	—	+153.8%	Open the original filing on SEC.gov
May 6, 2025	Henderson Steven K	Director	AGRANT	54,347	—	—	+555.2%	Open the original filing on SEC.gov

AGRANT—

Cotton Stephen · Chief Executive…Aug 24

104,818 sh · +49.0% own

AGRANT—

Gangloff Eric John · DirectorAug 24

10,427 sh · +87.5% own

AGRANT—

Divito Vincent L · DirectorAug 24

15,641 sh · +145.3% own

AGRANT—

Henderson Steven K · DirectorAug 24

10,427 sh · +162.6% own

AGRANT—

Taecker Benjamin S. · Chief Eng and Opr…Aug 24

30,958 sh · +55.0% own

AGRANT—

West Eric · Chief Financial…Aug 24

37,352 sh · +59.2% own

FTAX$8.8K

Cotton Stephen · Chief Executive…Aug 19

3,305 sh @ $2.67 · -1.5% own

FTAX$3.2K

West Eric · Chief Financial…Aug 19

1,213 sh @ $2.67 · -1.9% own

FTAX$2.7K

Taecker Benjamin S. · Chief Eng and Opr…Aug 19

1,005 sh @ $2.67 · -1.8% own

FTAX$2.2K

Taecker Benjamin S. · Chief Eng and Opr…Jul 1

744 sh @ $2.97 · -1.3% own

FTAX$7.1K

Cotton Stephen · Chief Executive…Jul 1

2,402 sh @ $2.97 · -1.1% own

FTAX$2.8K

West Eric · Chief Financial…May 19

721 sh @ $3.91 · -1.1% own

FTAX$3.4K

West Eric · Chief Financial…Apr 13

863 sh @ $3.92 · -1.3% own

FTAX$2.8K

Taecker Benjamin S. · Chief Eng and Opr…Apr 13

715 sh @ $3.92 · -1.2% own

FTAX$9.2K

Cotton Stephen · Chief Executive…Apr 13

2,352 sh @ $3.92 · -1.1% own

FTAX$15.7K

Cotton Stephen · Chief Executive…Feb 24

3,307 sh @ $4.76 · -1.5% own

FTAX$4.8K

Taecker Benjamin S. · Chief Eng and Opr…Feb 24

1,006 sh @ $4.76 · -1.7% own

FTAX$5.8K

West Eric · Chief Financial…Feb 24

1,214 sh @ $4.76 · -1.8% own

AGRANT$134K

West Eric · Chief Financial…Feb 13

28,390 sh @ $4.72 · +73.3% own

AGRANT$377K

Cotton Stephen · Chief Executive…Feb 13

79,873 sh @ $4.72 · +54.9% own

AGRANT$110K

Taecker Benjamin S. · Chief Eng and Opr…Feb 13

23,306 sh @ $4.72 · +63.9% own

DTOISS◆—

Taecker Benjamin S. · Chief Eng and Opr…Jan 7

1,329 sh

DTOISS◆—

Taecker Benjamin S. · Chief Eng and Opr…Jan 7

443 sh

DTOISS◆—

Taecker Benjamin S. · Chief Eng and Opr…Jan 7

443 sh

DTOISS◆—

Taecker Benjamin S. · Chief Eng and Opr…Jan 7

443 sh

DTOISS—

Taecker Benjamin S. · Chief Eng and Opr…Jan 7

13 sh · <0.1% own

DTOISS◆—

Cotton Stephen · Chief Executive…Jan 7

4,530 sh

DTOISS◆—

Cotton Stephen · Chief Executive…Jan 7

1,510 sh

DTOISS◆—

Cotton Stephen · Chief Executive…Jan 7

1,510 sh

DTOISS◆—

Cotton Stephen · Chief Executive…Jan 7

1,510 sh

DTOISS—

Cotton Stephen · Chief Executive…Jan 7

2,100 sh · -1.4% own

FTAX$15.4K

Cotton Stephen · Chief Executive…Jan 2

3,208 sh @ $4.80 · -2.1% own

FTAX$4.7K

Taecker Benjamin S. · Chief Eng and Opr…Jan 2

979 sh @ $4.80 · -2.6% own

FTAX$34.1K

Cotton Stephen · Chief Executive…Dec 18, 2025

6,247 sh @ $5.46 · -4.0% own

AGRANT—

Cotton Stephen · Chief Executive…Dec 18, 2025

14,749 sh · +10.4% own

FTAX$7.1K

West Eric · Chief Financial…Nov 20, 2025

720 sh @ $9.80 · -1.8% own

AGRANT$97.1K

Taecker Benjamin S. · Chief Eng and Opr…Oct 13, 2025

10,132 sh @ $9.58 · +37.1% own

AGRANT$319.2K

Cotton Stephen · Chief Executive…Oct 13, 2025

33,320 sh @ $9.58 · +30.6% own

AGRANT$117.1K

West Eric · Chief Financial…Oct 13, 2025

12,224 sh @ $9.58 · +44.9% own

FTAX$19.6K

Cotton Stephen · Chief Executive…Sep 19, 2025

4,765 sh @ $4.12 · -4.1% own

AGRANT—

Cotton Stephen · Chief Executive…Sep 19, 2025

11,250 sh · +10.8% own

FTAX$2.1K

Taecker Benjamin S. · Chief Eng and Opr…Aug 20, 2025

564 sh @ $3.68 · -1.9% own

FTAX$7.1K

Cotton Stephen · Chief Executive…Aug 20, 2025

1,920 sh @ $3.68 · -1.8% own

AGRANT$67.9K

West Eric · Chief Financial…Aug 19, 2025

17,179 sh @ $3.95 · +170.7% own

AGRANT$56.2K

Taecker Benjamin S. · Chief Eng and Opr…Aug 19, 2025

14,238 sh @ $3.95 · +97.3% own

AGRANT$185K

Cotton Stephen · Chief Executive…Aug 19, 2025

46,824 sh @ $3.95 · +79.1% own

FTAX$4.6K

Cotton Stephen · Chief Executive…Jul 1, 2025

9,301 sh @ $0.49 · -1.6% own

FTAX$1.5K

Taecker Benjamin S. · Chief Eng and Opr…Jul 1, 2025

3,043 sh @ $0.49 · -2.0% own

AGRANT—

Gangloff Eric John · DirectorMay 6, 2025

54,347 sh · +83.8% own

AGRANT—

Zhang Peifang · DirectorMay 6, 2025

43,478 sh · +102.0% own

AGRANT—

Divito Vincent L · DirectorMay 6, 2025

65,217 sh · +153.8% own

AGRANT—

Henderson Steven K · DirectorMay 6, 2025

54,347 sh · +555.2% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 40 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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