ALTO Alto Ingredients (ALTO) Insider Trading, Ownership & Congress Trades
Materials · Industrial organic chemicals · CIK 0000778164
SEC filings
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
94
13F, latest reported quarter
What the filings say about ALTO
Insiders, 180 days
+$361.2K net bought
1 buyer
Alto Ingredients insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
Over the last 180 days, Alto Ingredients, Inc. insiders bought a net $361.2K of stock across 31 Form 4 purchases and sales, with 1 insider buying. Source: SEC Form 4 filings, as of 2026-10-28.
Insider
Filed
Shares
Value
Since filing
Context
- 21 earlier Form 4 trades (code P or S) here by this insider (21 buys), the last on Aug 11, 2026.
- +13.9% median (+19.0% mean) 90-day return after 19 previous buys.
- The trade is 1.2% of the 866,393 shares held after it.
- No other insider bought within 30 days.
- 94 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director NATHAN GILBERT E bought about $39.3K of ALTO on Sep 14, 2026; 94 funds added in the latest 13F quarter.Context
- 20 earlier Form 4 trades (code P or S) here by this insider (20 buys), the last on May 13, 2026.
- +13.9% median (+19.0% mean) 90-day return after 19 previous buys.
- The trade is 5.8% of the 856,393 shares held after it.
- No other insider bought within 30 days.
- 94 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director NATHAN GILBERT E bought about $207.5K of ALTO on Aug 11, 2026, the largest insider purchase at the company on our record; 94 funds added in the latest 13F quarter.Context
- 19 earlier Form 4 trades (code P or S) here by this insider (19 buys), the last on May 12, 2026.
- +16.0% median (+20.5% mean) 90-day return after 18 previous buys.
- The trade is 0.6% of the 774,741 shares held after it.
- No other insider bought within 30 days.
- 94 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director NATHAN GILBERT E bought about $22.2K of ALTO on May 13, 2026; 94 funds added in the latest 13F quarter.Context
- 18 earlier Form 4 trades (code P or S) here by this insider (18 buys), the last on Nov 13, 2024.
- +18.2% median (+22.2% mean) 90-day return after 17 previous buys.
- The trade is 2.6% of the 769,741 shares held after it.
- No other insider bought within 30 days.
- 94 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director NATHAN GILBERT E bought about $92.2K of ALTO on May 12, 2026, the largest insider purchase at the company since 2022; 94 funds added in the latest 13F quarter.Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 0.7% of the 432,397 shares held after it.
- No other insider bought within 30 days.
- 94 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Commercial Officer Sneed James R bought about $3.4K of ALTO on Aug 13, 2025; 94 funds added in the latest 13F quarter.31 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Seven facts, ranked against the sector ·
Rank is not a forecast
Insiders
net +$361.2K over 180 days
+$246.8K over 90 days
more than 85% of Materials
Congress
no House purchase disclosed in the last 12 months
Funds
94 funds bought in last quarter
below 57% of Materials
Revenue
-4.9% year over year
below 70% of Materials
Margin
1.5% net margin
below 53% of Materials
Buybacks
no share repurchases reported
Short interest
8.6% of the float short (float per yahoo 2026-10-26) · 5.0 days to cover · settled 2026-09-30
more than 79% of Materials
What changed in the last 30 days
Nothing new filed in the last 30 days
Watch ALTO
A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.
The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+244.4%12M
Insider buy
Indexed to 100, dividend-adjusted, not a price chart.
When a name files heavily, the largest trades are drawn first.
Who owns ALTO: institutional holders (13F)
13F holdings, latest reported quarter
5,495,025 sh
$31.3M
3,212,643 sh
$18.3M
2,280,128 sh
$13.0M
1,980,080 sh
$11.3M
1,703,703 sh
$9.7M
Congress trades in ALTO
No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.
Activist and 5% holders (13D/13G)
No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.
ALTO planned insider sales (Form 144)
No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
ALTO mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
NORTH SQUARE DYNAMIC SMALL CAP FUND
$1.3M position · as of 2026-05-31
0.2%
EA Bridgeway Omni Small-Cap Value ETF
$2.5M position · as of 2026-06-30
0.1%
Small Cap Value Fund
$733.9K position · as of 2026-06-30
0.1%
Goldman Sachs Small Cap Equity Insights Fund
$959.6K position · as of 2026-07-31
0.1%
iShares Micro-Cap ETF
$1.4M position · as of 2026-06-30
0.1%
Goldman Sachs Small Cap Value Insights Fund
$1.2M position · as of 2026-07-31
0.1%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders are net buyers of their own stock.
The record shows a net $361.2K bought by insiders over 180 days, 94 funds added last quarter. Each figure is a federal filing, dated the day it went public.
ALTO financials
Revenue growth
-4.9%
XBRL, annual
Net margin
1.5%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$943.3M
four quarters, 2025-07-01 to 2026-06-30
Revenue, TTM ALTO
| FY Dec 2025 | $917.9M |
| FY Dec 2024 | $965.3M |
| FY Dec 2023 | $1.2B |
| FY Dec 2022 | $1.3B |
| FY Dec 2021 | $1.2B |
| Jun 2026 | $245.7M |
| Mar 2026 | $224.7M |
| Dec 2025 | $232.0M |
| Sep 2025 | $241.0M |
| Jun 2025 | $218.4M |
| Mar 2025 | $226.5M |
| Dec 2024 | $236.3M |
| Sep 2024 | $251.8M |
At each fiscal year end
Single quarter
Net margin, TTM
+4.1%
net income over revenue, 2025-07-01 to 2026-06-30
Net margin, TTM ALTO
| FY Dec 2025 | +0.0% |
| FY Dec 2024 | -0.0% |
| FY Dec 2023 | -2.4% |
| FY Dec 2022 | -3.2% |
| FY Dec 2021 | +3.7% |
| Jun 2026 | +4.8% |
| Mar 2026 | +1.9% |
| Dec 2025 | +3.7% |
| Sep 2025 | +5.9% |
| Jun 2025 | -5.0% |
| Mar 2025 | -5.2% |
| Dec 2024 | +7.3% |
| Sep 2024 | -1.0% |
At each fiscal year end
Single quarter
Free cash flow, TTM
$49.9M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Free cash flow, TTM ALTO
| FY Dec 2025 | $8.6M |
| FY Dec 2024 | -$14.6M |
| FY Dec 2023 | -$7.5M |
| FY Dec 2022 | -$31.7M |
| FY Dec 2021 | $10.4M |
| Jun 2026 | $17.9M |
| Mar 2026 | $3.3M |
| Dec 2025 | $7.6M |
| Sep 2025 | $21.2M |
| Jun 2025 | -$1.3M |
| Mar 2025 | -$18.8M |
| Dec 2024 | -$11.1M |
| Sep 2024 | $18.1M |
At each fiscal year end
Single quarter
Debt to equity
0.30x
long-term 2026-06-30 plus current 2025-12-31 (6 months older than the period end); equity 2026-06-30
Debt to equity ALTO
| FY Dec 2025 | 0.32x |
| FY Dec 2024 | 0.49x |
| FY Dec 2023 | 0.36x |
| FY Dec 2022 | 0.28x |
| FY Dec 2021 | 0.20x |
| Jun 2026 | 0.30x |
| Mar 2026 | 0.36x |
| Dec 2025 | 0.32x |
| Sep 2025 | 0.53x |
| Jun 2025 | 0.65x |
| Mar 2025 | 0.60x |
| Dec 2024 | 0.49x |
| Sep 2024 | 0.38x |
At each fiscal year end
Trailing four quarters at each quarter end
Cash flow to debt
0.84x
TTM operating cash flow over long-term 2026-06-30 plus current 2025-12-31 (6 months older than the period end)
Cash flow to debt ALTO
| FY Dec 2025 | 0.17x |
| FY Dec 2024 | -0.03x |
| FY Dec 2023 | 0.22x |
| FY Dec 2022 | 0.07x |
| FY Dec 2021 | 0.39x |
| Jun 2026 | 0.84x |
| Mar 2026 | 0.40x |
| Dec 2025 | 0.17x |
| Sep 2025 | -0.05x |
| Jun 2025 | -0.08x |
| Mar 2025 | -0.18x |
| Dec 2024 | -0.03x |
| Sep 2024 | 0.18x |
At each fiscal year end
Trailing four quarters at each quarter end
Return on equity
+16.5%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on equity ALTO
| FY Dec 2025 | +0.0% |
| FY Dec 2024 | -0.0% |
| FY Dec 2023 | -10.0% |
| FY Dec 2022 | -13.1% |
| FY Dec 2021 | +13.8% |
| Jun 2026 | +16.5% |
| Mar 2026 | +6.9% |
| Dec 2025 | +0.0% |
| Sep 2025 | +3.6% |
| Jun 2025 | -3.3% |
| Mar 2025 | -0.0% |
| Dec 2024 | -0.0% |
| Sep 2024 | -13.3% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
+9.8%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets ALTO
| FY Dec 2025 | +0.0% |
| FY Dec 2024 | -0.0% |
| FY Dec 2023 | -6.3% |
| FY Dec 2022 | -8.9% |
| FY Dec 2021 | +9.2% |
| Jun 2026 | +9.8% |
| Mar 2026 | +4.0% |
| Dec 2025 | +0.0% |
| Sep 2025 | +2.2% |
| Jun 2025 | -1.9% |
| Mar 2025 | -0.0% |
| Dec 2024 | -0.0% |
| Sep 2024 | -8.5% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
n/a
effective tax rate -1%, not meaningful
Return on invested capital ALTO
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Return on capital employed
+10.2%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
Return on capital employed ALTO
| FY Dec 2025 | +2.2% |
| FY Dec 2024 | -14.1% |
| FY Dec 2023 | -6.0% |
| FY Dec 2022 | -15.0% |
| FY Dec 2021 | +10.0% |
| Jun 2026 | +10.2% |
| Mar 2026 | +5.4% |
| Dec 2025 | +2.2% |
| Sep 2025 | -11.0% |
| Jun 2025 | -15.6% |
| Mar 2025 | -13.8% |
| Dec 2024 | -14.1% |
| Sep 2024 | -7.6% |
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
5.47x
close 2026-10-27 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
P/E, trailing ALTO
| FY Dec 2025 | 16.94x |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | 7.89x |
| Jun 2026 | 8.38x |
| Mar 2026 | 12.74x |
| Dec 2025 | 16.94x |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Enterprise value
$341.7M
market value at close 2026-10-27 on 2026-08-06 shares, plus long-term 2026-06-30 plus current 2025-12-31 (6 months older than the period end), minus cash 2026-06-30
Enterprise value ALTO
| FY Dec 2025 | $279.0M |
| FY Dec 2024 | $194.7M |
| FY Dec 2023 | $272.3M |
| FY Dec 2022 | $262.6M |
| FY Dec 2021 | $367.6M |
| Jun 2026 | $494.8M |
| Mar 2026 | $443.4M |
| Dec 2025 | $279.0M |
| Sep 2025 | $169.4M |
| Jun 2025 | $195.0M |
| Mar 2025 | $188.9M |
| Dec 2024 | $194.7M |
| Sep 2024 | $190.6M |
At each fiscal year end
Trailing four quarters at each quarter end
FCF yield
+17.3%
TTM free cash flow over market value at close 2026-10-27
FCF yield ALTO
| FY Dec 2025 | +3.9% |
| FY Dec 2024 | -12.2% |
| FY Dec 2023 | -3.7% |
| FY Dec 2022 | -14.9% |
| FY Dec 2021 | +3.0% |
| Jun 2026 | +11.3% |
| Mar 2026 | +8.2% |
| Dec 2025 | +3.9% |
| Sep 2025 | -12.0% |
| Jun 2025 | -14.7% |
| Mar 2025 | -34.5% |
| Dec 2024 | -12.2% |
| Sep 2024 | +2.7% |
At each fiscal year end
Trailing four quarters at each quarter end
PEG, trailing
n/a
prior-year trailing EPS was a loss, growth undefined
PEG, trailing ALTO
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Price as of 2026-10-27. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
| 2025-12 | 2024-12 | 2023-12 | 2022-12 | |
|---|---|---|---|---|
| Revenue | $917.9M | $965.3M | $1.2B | $1.3B |
| Gross profit | $34.9M | $9.7M | $15.7M | -$27.6M |
| Operating income | $7.4M | -$51.7M | -$23.8M | -$61.4M |
| Net income | $13.3K | -$59.0K | -$29.3M | -$42.9M |
| EPS (diluted) | 0.16 | -0.82 | -0.40 | -0.60 |
| Operating cash flow | $13.2M | -$3.5M | $22.0M | $6.0M |
| Cash | $23.4M | $35.5M | $30.0M | $36.5M |
| Long-term debt | $63.0M | $92.9M | $82.1M | $68.4M |
| Buybacks | n/a | n/a | $3.7M | $1.3M |
SEC XBRL, fiscal years, as known on 2026-10-28
ALTO Stock Sonar score 6/7 axes
Find similar shapesCompareALTO ranks highest on financial health (85th percentile) and profitability (74th), and lowest on growth (30th), among Materials peers.
6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
ALTO filings, in plain words
Are Alto Ingredients insiders buying or selling ALTO?
In the 180 days to 2026-10-28, Alto Ingredients insiders were net buyers, a net $361.2K across purchases and sales reported on Form 4, by 1 buyer.
Read the full summary
In the 180 days to 2026-10-28, Alto Ingredients insiders were net buyers of ALTO, a net $361.2K across purchases and sales reported on Form 4 by 1 buyer. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.
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