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)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 12, 2026 | NATHAN GILBERT Edirector | Buy | 50,000 | $4.15 |
| Jun 25, 2026 | NATHAN GILBERT Edirector | Grant | 31,652 | — |
| Jun 25, 2026 | Nury Dianne S.director | Grant | 23,605 | — |
| Jun 25, 2026 | Tank Alan Robertdirector | Grant | 23,605 | — |
| Jun 25, 2026 | Gray Maria Gdirector | Grant | 23,605 | — |
| May 14, 2026 | NATHAN GILBERT Edirector | Buy | 5,000 | $4.45 |
| May 14, 2026 | NATHAN GILBERT Edirector | Buy | 20,000 | $4.61 |
| Apr 3, 2026 | Olander Robert R.officer: Chief Financial Officer | Tax | 41,072 | $4.79 |
| Apr 3, 2026 | Sneed James Rofficer: Chief Commercial Officer | Tax | 22,265 | $4.79 |
| Apr 3, 2026 | McGregor Bryon Tdirector, officer: President & CEO | Tax | 73,062 | $4.79 |
| Apr 3, 2026 | Benton Todd Eofficer: COO | Tax | 25,359 | $4.79 |
| Apr 3, 2026 | Graham Auste Mofficer: CLO & Secretary | Tax | 32,902 | $4.79 |
| Mar 19, 2026 | Olander Robert R.officer: Chief Financial Officer | Grant | 35,730 | — |
| Mar 19, 2026 | Graham Auste Mofficer: CLO & Secretary | Grant | 30,794 | — |
| Mar 19, 2026 | McGregor Bryon Tdirector, officer: President & CEO | Grant | 100,108 | — |
| Mar 19, 2026 | Sneed James Rofficer: Chief Commercial Officer | Grant | 30,794 | — |
| Mar 19, 2026 | Benton Todd Eofficer: COO | Grant | 35,730 | — |
| Aug 14, 2025 | Sneed James Rofficer: Chief Commercial Officer | Buy | 3,176 | $1.06 |
| Jul 11, 2025 | NATHAN GILBERT Edirector | Grant | 49,166 | — |
| Jul 11, 2025 | Gray Maria Gdirector | Grant | 36,666 | — |
| Jul 11, 2025 | Nury Dianne S.director | Grant | 36,666 | — |
| Jul 11, 2025 | Tank Alan Robertdirector | Grant | 36,666 | — |
| Jul 11, 2025 | Bezdek Jeremydirector | Grant | 36,666 | — |
| Apr 2, 2025 | Graham Auste Mofficer: CLO & Secretary | Tax | 22,677 | $1.12 |
| Apr 2, 2025 | Graham Auste Mofficer: CLO & Secretary | Grant | 47,834 | — |
| Apr 2, 2025 | McGregor Bryon Tdirector, officer: President & CEO | Tax | 58,929 | $1.12 |
| Apr 2, 2025 | McGregor Bryon Tdirector, officer: President & CEO | Grant | 155,500 | — |
| Apr 2, 2025 | Sneed James Rofficer: Chief Commercial Officer | Grant | 47,834 | — |
| Apr 2, 2025 | Olander Robert R.officer: Chief Financial Officer | Tax | 22,128 | $1.12 |
| Apr 2, 2025 | Benton Todd Eofficer: COO | Grant | 55,500 | — |
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
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 5.5M | Aug 7, 2026 |
| MARSHALL WACE, LLP | Increased | 3.3M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 3.2M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 3.2M | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 2.9M | May 15, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Increased | 2.3M | Aug 13, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 2.0M | Aug 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 2.0M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.0M | Aug 12, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 1.9M | May 15, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Increased | 1.8M | May 14, 2026 |
| Hillsdale Investment Management Inc. | Increased | 1.7M | Aug 12, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 1.7M | May 14, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 1.5M | Aug 13, 2026 |
| JANE STREET GROUP, LLC | Increased | 1.4M | May 12, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.