ALTOAlto Ingredients, Inc.

Insider trades (Form 4)

Directors, top managers and anyone owning more than 10% of a company must report every time they buy, sell or receive its shares, within two business days, on a Form 4. Here is what Alto Ingredients's insiders did over the last year, and what each kind of trade means.

Bought on the open market$361.2K4 trades by 1 person

Sold on the open market$00 trades by 0 people

Sales that were planned ahead–made under a pre-set trading plan (Rule 10b5-1)

Filings read18every Form 4 in the last year

Buying and selling, month by month

Open-market trades only, by value. Tap a month.

DecJanFebMarAprMayJunJulAugSepOctNov

■ above the line: bought · ■ below: sold

Who traded

Person and role	Bought	Sold	Shares held after
Gilbert E NathanDirector	$361.2K	–	866.4K
Dianne S. NuryDirector	–	–	241.0K
Alan Robert TankDirector	–	–	60.3K
Maria G GrayDirector	–	–	179.2K
Auste M GrahamCLO & Secretary	–	–	233.2K
Todd E BentonChief operating officer (COO)	–	–	184.1K
Robert R. OlanderChief financial officer (Chief Financial Officer)	–	–	253.1K
James R SneedChief Commercial Officer	–	–	440.9K
Bryon T McGregorChief executive (President & CEO) · Director	–	–	957.9K

Every trade (19)

Sep 14, 2026Bought shares on the open marketGilbert E Nathan · DirectorThey paid their own money at the market price. People often watch these most closely. Form 4+10,000 sharesat $3.93 = $39.3Kowns 866,393 after
Aug 11, 2026Bought shares on the open marketGilbert E Nathan · DirectorThey paid their own money at the market price. People often watch these most closely. Form 4+50,000 sharesat $4.15 = $207.5Kowns 856,393 after
Jun 23, 2026Received shares or options as payDianne S. Nury · DirectorA grant from the company as part of their pay, not a purchase. Form 4+23,605 sharesno price (not a sale)owns 241,015 after
Jun 23, 2026Received shares or options as payGilbert E Nathan · DirectorA grant from the company as part of their pay, not a purchase. Form 4+31,652 sharesno price (not a sale)owns 806,393 after
Jun 23, 2026Received shares or options as payAlan Robert Tank · DirectorA grant from the company as part of their pay, not a purchase. Form 4+23,605 sharesno price (not a sale)owns 60,271 after
Jun 23, 2026Received shares or options as payMaria G Gray · DirectorA grant from the company as part of their pay, not a purchase. Form 4+23,605 sharesno price (not a sale)owns 179,229 after
May 14, 2026Gave shares away (gift)Auste M Graham · CLO & SecretaryA gift, often to family or charity. No money changes hands. Form 4−20,000 sharesno price (not a sale)owns 233,173 after
May 13, 2026Bought shares on the open marketGilbert E Nathan · DirectorThey paid their own money at the market price. People often watch these most closely. Form 4+5,000 sharesat $4.45 = $22.3Kowns 774,741 after
May 12, 2026Bought shares on the open marketGilbert E Nathan · DirectorThey paid their own money at the market price. People often watch these most closely. Form 4+20,000 sharesat $4.61 = $92.2Kowns 769,741 after
Apr 1, 2026Shares kept back to pay taxTodd E Benton · Chief operating officer (COO)When share pay vests, the company keeps some shares to cover the tax bill. Not a decision to sell. Form 4−25,359 sharesat $4.79 = $121.5Kowns 184,130 after
Apr 1, 2026Shares kept back to pay taxRobert R. Olander · Chief financial officer (Chief Financial Officer)When share pay vests, the company keeps some shares to cover the tax bill. Not a decision to sell. Form 4−41,072 sharesat $4.79 = $196.7Kowns 253,086 after
Apr 1, 2026Shares kept back to pay taxJames R Sneed · Chief Commercial OfficerWhen share pay vests, the company keeps some shares to cover the tax bill. Not a decision to sell. Form 4−22,265 sharesat $4.79 = $106.6Kowns 440,926 after
Apr 1, 2026Shares kept back to pay taxBryon T McGregor · Chief executive (President & CEO) · DirectorWhen share pay vests, the company keeps some shares to cover the tax bill. Not a decision to sell. Form 4−73,062 sharesat $4.79 = $350.0Kowns 957,882 after
Apr 1, 2026Shares kept back to pay taxAuste M Graham · CLO & SecretaryWhen share pay vests, the company keeps some shares to cover the tax bill. Not a decision to sell. Form 4−32,902 sharesat $4.79 = $157.6Kowns 253,173 after
Mar 17, 2026Received shares or options as payTodd E Benton · Chief operating officer (COO)A grant from the company as part of their pay, not a purchase. Form 4+35,730 sharesno price (not a sale)owns 209,489 after
Mar 17, 2026Received shares or options as payJames R Sneed · Chief Commercial OfficerA grant from the company as part of their pay, not a purchase. Form 4+30,794 sharesno price (not a sale)owns 463,191 after
Mar 17, 2026Received shares or options as payRobert R. Olander · Chief financial officer (Chief Financial Officer)A grant from the company as part of their pay, not a purchase. Form 4+35,730 sharesno price (not a sale)owns 294,158 after
Mar 17, 2026Received shares or options as payAuste M Graham · CLO & SecretaryA grant from the company as part of their pay, not a purchase. Form 4+30,794 sharesno price (not a sale)owns 286,075 after
Mar 17, 2026Received shares or options as payBryon T McGregor · Chief executive (President & CEO) · DirectorA grant from the company as part of their pay, not a purchase. Form 4+100,108 sharesno price (not a sale)owns 1,030,944 after

Read straight from the Form 4 filings Alto Ingredients's directors, top managers and large owners sent to the SEC. Insiders sell for many reasons: taxes, diversifying, planned sales. Buying with their own money is rarer. None of this says whether to buy or sell the shares.

Finding insider trades…Reading each Form 4…Adding them up…

Who traded

Person and role	Bought	Sold	Shares held after
Gilbert E NathanDirector	$361.2K	–	866.4K
Dianne S. NuryDirector	–	–	241.0K
Alan Robert TankDirector	–	–	60.3K
Maria G GrayDirector	–	–	179.2K
Auste M GrahamCLO & Secretary	–	–	233.2K
Todd E BentonChief operating officer (COO)	–	–	184.1K
Robert R. OlanderChief financial officer (Chief Financial Officer)	–	–	253.1K
James R SneedChief Commercial Officer	–	–	440.9K
Bryon T McGregorChief executive (President & CEO) · Director	–	–	957.9K