Stephen R. Clarke

Insider

First SEC filing: July 30, 2015 · Latest: July 30, 2015

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

AQMS buying Nov. 16, 2016

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 13 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

13 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 23, 2018	AQMS	A	192	$2.60	$499	1,030,856 Direct	+0.02%	Acquired	-99.5% (price as of 2026-08-20)
Feb. 9, 2018	AQMS	A	310	$1.61	$499	1,030,664 Direct	+0.03%	Acquired	-99.2% (price as of 2026-08-20)
Jan. 26, 2018	AQMS	A	256	$1.95	$499	1,030,354 Direct	+0.02%	Acquired	-99.3% (price as of 2026-08-20)
Jan. 12, 2018	AQMS	A	259	$1.93	$500	1,030,098 Direct	+0.03%	Acquired	-99.3% (price as of 2026-08-20)
Dec. 29, 2017	AQMS	A	236	$2.12	$500	1,029,839 Direct	+0.02%	Acquired	-99.4% (price as of 2026-08-20)
Dec. 15, 2017	AQMS	A	251	$1.99	$499	1,029,603 Direct	+0.02%	Acquired	-99.3% (price as of 2026-08-20)
Dec. 1, 2017	AQMS	A	170	$2.94	$500	1,029,352 Direct	+0.02%	Acquired	-99.5% (price as of 2026-08-20)
Nov. 17, 2017	AQMS	A	154	$3.25	$500	1,029,182 Direct	+0.01%	Acquired	-99.6% (price as of 2026-08-20)
Nov. 3, 2017	AQMS	A	135	$3.72	$502	1,029,028 Direct	+0.01%	Acquired	-99.6% (price as of 2026-08-20)
Oct. 20, 2017	AQMS	A	93	$5.37	$499	1,028,893 Direct	+0.01%	Acquired	-99.8% (price as of 2026-08-20)
Oct. 6, 2017	AQMS	A	72	$6.91	$498	1,028,800 Direct	+0.01%	Acquired	-99.8% (price as of 2026-08-20)
Sept. 22, 2017	AQMS	A	91	$5.49	$500	1,028,728 Direct	+0.01%	Acquired	-99.8% (price as of 2026-08-20)
Nov. 16, 2016	AQMS	P	20,000	$10.00	$200,000	1,028,637 Direct	+1.98%	Acquired	-99.9% (price as of 2026-08-20)
Jan. 8, 2016	AQMS	A	24,918	—	—	24,918 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 24, 2015	AQMS	P	2,500	$4.73	$11,825	1,008,637 Direct	+0.25%	Acquired	-99.7% (price as of 2026-08-20)
Aug. 21, 2015	AQMS	P	2,500	$4.95	$12,375	1,006,137 Direct	+0.25%	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. 8, 2016	AQMS	Employee Stock Option (Right to Buy)	Common Stock (24,918)	$5.07	Dec. 17, 2020	24,918	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
July 30, 2015	AQMS	Common Stock	1,003,637	Direct
July 30, 2015	AQMS	Common Stock	732,559	Indirect

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

AQMS

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2016	$338	$205	—	—	—	—	$6	$549
2015	$280,000	$70,000	—	$70,000	—	—	—	$420,000
2014	$131,167	—	—	—	—	—	—	$131,167

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.