Paul Koehler

Insider

First SEC filing: April 1, 2014 · Latest: April 1, 2014

On this page

Insider at

0 buys (P) 0 sells (S) Net: $0 + 9 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

9 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 13, 2020	ALTO	A	62,500	—	—	207,138 Direct	+43.21%	Acquired	(price as of 2026-08-20)
April 1, 2020	ALTO	F	15,019	$0.25	$3,755	144,638 Direct	-9.41%	Disposed	1592.0% (price as of 2026-08-20)
June 16, 2016	ALTO	A	25,000	—	—	75,786 Direct	+49.23%	Acquired	(price as of 2026-08-20)
April 1, 2016	ALTO	F	3,922	$4.40	$17,257	50,786 Direct	-7.17%	Disposed	-3.9% (price as of 2026-08-20)
Nov. 11, 2015	ALTO	P	2,000	$4.25	$8,500	54,708 Direct	+3.79%	Acquired	-0.5% (price as of 2026-08-20)
Nov. 10, 2015	ALTO	P	5,000	$4.71	$23,550	52,708 Direct	+10.48%	Acquired	-10.2% (price as of 2026-08-20)
Aug. 10, 2015	ALTO	P	4,000	$7.51	$30,040	47,708 Direct	+9.15%	Acquired	-43.7% (price as of 2026-08-20)
April 1, 2015	ALTO	F	3,580	$11.15	$39,917	43,708 Direct	-7.57%	Disposed	-62.1% (price as of 2026-08-20)
March 17, 2015	ALTO	A	11,962	—	—	47,288 Direct	+33.86%	Acquired	(price as of 2026-08-20)
June 18, 2014	ALTO	A	5,091	—	—	35,326 Direct	+16.84%	Acquired	(price as of 2026-08-20)
May 28, 2014	ALTO	A	864	—	—	30,235 Direct	+2.94%	Acquired	(price as of 2026-08-20)
April 1, 2014	ALTO	F	3,154	$17.90	$56,457	29,371 Direct	-9.70%	Disposed	-76.4% (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.

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

Date	Ticker	Security	Shares	Ownership
April 1, 2014	ALTO	Common Stock	32,525	Direct
April 1, 2014	ALTO	Series B Cumulative Convertible Preferred Stock→ Common Stock (8,486)	8,486	Direct
April 1, 2014	ALTO	Common Stock Warrant (Right to Buy)→ Common Stock (184)	184	Direct
April 1, 2014	ALTO	Common Stock Option (Right ot Buy)→ Common Stock (798)	798	Direct
April 1, 2014	ALTO	Common Stock Option (Right to Buy)→ Common Stock (10,204)	10,204	Direct

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

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2021	$21,041	—	—	—	—	—	$781,617	$802,658

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