Alto Ingredients, Inc. (ALTO) Insider Trading

Over the last 3 months, ALTO insiders made 1 open-market buy and 0 sales, a net purchase of $208K (SEC Form 4). Over the last 6 months, 83 institutions increased and 47 reduced their position (13F).

Insider Activity

Sentiment
100/100
Buys (3m)
1
Sells (3m)
0
Net (3m)
$207.5K
Insiders buying
Insider trades by month Buys Sells
Mar
Jun
Nov
Aug
May
Aug
Context3-month price -32.1%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Aug 12, 2026NATHAN GILBERT EdirectorBuy50,000$4.15
Jun 25, 2026NATHAN GILBERT EdirectorGrant31,652
Jun 25, 2026Nury Dianne S.directorGrant23,605
Jun 25, 2026Tank Alan RobertdirectorGrant23,605
Jun 25, 2026Gray Maria GdirectorGrant23,605
May 14, 2026NATHAN GILBERT EdirectorBuy5,000$4.45
May 14, 2026NATHAN GILBERT EdirectorBuy20,000$4.61
Apr 3, 2026Olander Robert R.officer: Chief Financial OfficerTax41,072$4.79
Apr 3, 2026Sneed James Rofficer: Chief Commercial OfficerTax22,265$4.79
Apr 3, 2026McGregor Bryon Tdirector, officer: President & CEOTax73,062$4.79
Apr 3, 2026Benton Todd Eofficer: COOTax25,359$4.79
Apr 3, 2026Graham Auste Mofficer: CLO & SecretaryTax32,902$4.79
Mar 19, 2026Olander Robert R.officer: Chief Financial OfficerGrant35,730
Mar 19, 2026Graham Auste Mofficer: CLO & SecretaryGrant30,794
Mar 19, 2026McGregor Bryon Tdirector, officer: President & CEOGrant100,108
Mar 19, 2026Sneed James Rofficer: Chief Commercial OfficerGrant30,794
Mar 19, 2026Benton Todd Eofficer: COOGrant35,730
Aug 14, 2025Sneed James Rofficer: Chief Commercial OfficerBuy3,176$1.06
Jul 11, 2025NATHAN GILBERT EdirectorGrant49,166
Jul 11, 2025Gray Maria GdirectorGrant36,666
Jul 11, 2025Nury Dianne S.directorGrant36,666
Jul 11, 2025Tank Alan RobertdirectorGrant36,666
Jul 11, 2025Bezdek JeremydirectorGrant36,666
Apr 2, 2025Graham Auste Mofficer: CLO & SecretaryTax22,677$1.12
Apr 2, 2025Graham Auste Mofficer: CLO & SecretaryGrant47,834
Apr 2, 2025McGregor Bryon Tdirector, officer: President & CEOTax58,929$1.12
Apr 2, 2025McGregor Bryon Tdirector, officer: President & CEOGrant155,500
Apr 2, 2025Sneed James Rofficer: Chief Commercial OfficerGrant47,834
Apr 2, 2025Olander Robert R.officer: Chief Financial OfficerTax22,128$1.12
Apr 2, 2025Benton Todd Eofficer: COOGrant55,500

Source: ALTO SEC Form 4 filings, latest Aug 12, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their ALTO positions over the last 6 months (SEC Form 13F).

Increased
83
New positions
85
Reduced
47
Sold out
24
Largest moves
InstitutionActionSharesFiled
BlackRock, Inc.Increased5.5MAug 7, 2026
MARSHALL WACE, LLPIncreased3.3MMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased3.2MAug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position3.2MMay 15, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLPIncreased2.9MMay 15, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPIncreased2.3MAug 13, 2026
ACADIAN ASSET MANAGEMENT LLCIncreased2.0MAug 13, 2026
TWO SIGMA INVESTMENTS, LPIncreased2.0MMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased2.0MAug 12, 2026
MILLENNIUM MANAGEMENT LLCIncreased1.9MMay 15, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPIncreased1.8MMay 14, 2026
Hillsdale Investment Management Inc.Increased1.7MAug 12, 2026
RENAISSANCE TECHNOLOGIES LLCIncreased1.7MMay 14, 2026
RENAISSANCE TECHNOLOGIES LLCReduced1.5MAug 13, 2026
JANE STREET GROUP, LLCIncreased1.4MMay 12, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.