CALX Calix (CALX) Insider Trading, Ownership & Congress Trades
Telecom · Communications services, nec · CIK 0001406666
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
148
13F, latest reported quarter
What the filings say about CALX
Insiders, 180 days
-$2.7M net sold
1 seller · 0% of sales under a 10b5-1 plan
Calix insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
Over the last 180 days, CALIX, INC insiders sold a net $2.7M of stock across 82 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.
Insider
Filed
Shares
Value
Since filing
Context
- 14 earlier Form 4 trades (code P or S) here by this insider (14 sales), the last on Apr 27, 2026.
- The trade is 4.8% of the 1,569,188 shares held after it.
- No other insider sold within 30 days.
- 148 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Russo Carl sold about $2.7M of CALX on Jul 27, 2026; 148 funds added in the latest 13F quarter.Context
- 12 earlier Form 4 trades (code P or S) here by this insider (12 sales), the last on Feb 3, 2026.
- The trade is 1.3% of the 1,648,279 shares held after it.
- No other insider sold within 30 days.
- 148 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Russo Carl sold about $902.6K of CALX on Apr 27, 2026; 148 funds added in the latest 13F quarter.Context
- 12 earlier Form 4 trades (code P or S) here by this insider (12 sales), the last on Feb 3, 2026.
- The trade is 0.2% of the 1,644,188 shares held after it.
- No other insider sold within 30 days.
- 148 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Russo Carl sold about $179.0K of CALX on Apr 27, 2026; 148 funds added in the latest 13F quarter.Context
- 10 earlier Form 4 trades (code P or S) here by this insider (10 sales), the last on Nov 4, 2025.
- The trade is 0.8% of the 1,680,711 shares held after it.
- No other insider sold within 30 days.
- 148 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Russo Carl sold about $632.5K of CALX on Feb 3, 2026; 148 funds added in the latest 13F quarter.Context
- 10 earlier Form 4 trades (code P or S) here by this insider (10 sales), the last on Nov 4, 2025.
- The trade is 0.7% of the 1,669,188 shares held after it.
- No other insider sold within 30 days.
- 148 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Russo Carl sold about $549.2K of CALX on Feb 3, 2026; 148 funds added in the latest 13F quarter.82 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 -$2.7M over 180 days
-$2.7M of it by a 10%+ holder
below 65% of Telecom
Congress
no House purchase disclosed in the last 12 months
Funds
148 funds bought in last quarter
more than 72% of Telecom
Revenue
+20.3% year over year
more than 76% of Telecom
Margin
1.8% net margin
more than 64% of Telecom
Buybacks
$240.2M repurchased, FY to 2026-06-27
more than 80% of Telecom
Short interest
9.0% of the float short (float per yahoo 2026-10-27) · 4.9 days to cover · settled 2026-10-15
more than 87% of Telecom
What changed in the last 30 days
Nothing new filed in the last 30 days
Watch CALX
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.
Who owns CALX: institutional holders (13F)
13F holdings, latest reported quarter
11,775,490 sh
$439.5M
5,588,048 sh
$208.5M
3,248,412 sh
$159.1M
2,915,560 sh
$108.8M
2,587,424 sh
$96.6M
Congress trades in CALX
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.
CALX planned insider sales (Form 144)
Notice of intent to sell, filed before any sale
Russo Carl
Filed 2026-07-27
$2.7M
CALX mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
iShares Cybersecurity and Tech ETF
$30.7M position · as of 2026-07-31
3.0%
State Street(R) SPDR(R) S&P(R) Telecom ETF
$20.8M position · as of 2026-06-30
2.9%
Rockefeller US Small Cap Core Fund
$2.8M position · as of 2026-05-31
2.8%
iShares U.S. Digital Infrastructure and Real Estate ETF
$13.9M position · as of 2026-06-30
2.8%
Needham Small Cap Growth Fund
$9.3M position · as of 2026-06-30
2.2%
Paradigm Micro-Cap Fund
$2.9M position · as of 2026-06-30
1.6%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Executive pay vs shareholder return · Michael Weening
CEO pay, headline and as actually paid, against the company's
return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$10.8M
$16.2M
$9.1M
+78%
+117%
2024
$8.3M
$2.3M
$6.5M
+17%
+84%
2023
$7.2M
-$13.1M
$6.5M
+47%
+36%
2021
$7.7M
$30.4M
$4.9M
+169%
+48%
Tagged by the company under SEC Item 402(v). Returns are
cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows a net $2.7M sold by insiders over 180 days, 148 funds added last quarter. Each figure is a federal filing, dated the day it went public.
CALX financials
Revenue growth
+20.3%
XBRL, annual
Net margin
1.8%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$1.1B
four quarters, 2025-06-29 to 2026-06-27
Revenue, TTM CALX
| FY Dec 2025 | $1.0B |
| FY Dec 2024 | $831.5M |
| FY Dec 2023 | $1.0B |
| FY Dec 2022 | $867.8M |
| FY Dec 2021 | $679.4M |
| Jun 2026 | $293.3M |
| Mar 2026 | $280.0M |
| Dec 2025 | $272.4M |
| Sep 2025 | $265.4M |
| Jun 2025 | $241.9M |
| Mar 2025 | $220.2M |
| Dec 2024 | $206.1M |
| Sep 2024 | $200.9M |
At each fiscal year end
Single quarter
Net margin, TTM
+4.6%
net income over revenue, 2025-06-29 to 2026-06-27
Net margin, TTM CALX
| FY Dec 2025 | +1.8% |
| FY Dec 2024 | -3.6% |
| FY Dec 2023 | +2.8% |
| FY Dec 2022 | +4.7% |
| FY Dec 2021 | +35.1% |
| Jun 2026 | +5.8% |
| Mar 2026 | +4.0% |
| Dec 2025 | +2.6% |
| Sep 2025 | +5.9% |
| Jun 2025 | -0.1% |
| Mar 2025 | -2.2% |
| Dec 2024 | -8.7% |
| Sep 2024 | -2.0% |
At each fiscal year end
Single quarter
Free cash flow, TTM
$85.4M
operating cash flow minus capex, 2025-06-29 to 2026-06-27
Free cash flow, TTM CALX
| FY Dec 2025 | $115.5M |
| FY Dec 2024 | $50.3M |
| FY Dec 2023 | $38.4M |
| FY Dec 2022 | $13.1M |
| FY Dec 2021 | $46.3M |
| Jun 2026 | $11.9M |
| Mar 2026 | $6.5M |
| Dec 2025 | $40.3M |
| Sep 2025 | $26.7M |
| Jun 2025 | $35.6M |
| Mar 2025 | $12.9M |
| Dec 2024 | $10.2M |
| Sep 2024 | $12.8M |
At each fiscal year end
Single quarter
Debt to equity
n/a
no debt line filed
Debt to equity CALX
| 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
Cash flow to debt
n/a
no debt line filed
Cash flow to debt CALX
| 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 equity
+6.9%
TTM net income over average of 2025-06-28 and 2026-06-27
Return on equity CALX
| FY Dec 2025 | +2.2% |
| FY Dec 2024 | -4.0% |
| FY Dec 2023 | +4.2% |
| FY Dec 2022 | +6.6% |
| FY Dec 2021 | +56.2% |
| Jun 2026 | +6.9% |
| Mar 2026 | +4.5% |
| Dec 2025 | +2.2% |
| Sep 2025 | -0.9% |
| Jun 2025 | -3.5% |
| Mar 2025 | -4.6% |
| Dec 2024 | -4.0% |
| Sep 2024 | -2.4% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
+5.5%
TTM net income over average of 2025-06-28 and 2026-06-27
Return on assets CALX
| FY Dec 2025 | +1.8% |
| FY Dec 2024 | -3.2% |
| FY Dec 2023 | +3.2% |
| FY Dec 2022 | +5.0% |
| FY Dec 2021 | +40.8% |
| Jun 2026 | +5.5% |
| Mar 2026 | +3.6% |
| Dec 2025 | +1.8% |
| Sep 2025 | -0.8% |
| Jun 2025 | -2.9% |
| Mar 2025 | -3.8% |
| Dec 2024 | -3.2% |
| Sep 2024 | -2.0% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
n/a
no debt line filed
Return on invested capital CALX
| 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
+7.9%
operating income (EBIT proxy) over average of 2025-06-28 and 2026-06-27 minus current liabilities
Return on capital employed CALX
| FY Dec 2025 | +2.5% |
| FY Dec 2024 | -5.5% |
| FY Dec 2023 | +3.5% |
| FY Dec 2022 | +7.9% |
| FY Dec 2021 | +15.7% |
| Jun 2026 | +7.9% |
| Mar 2026 | +5.1% |
| Dec 2025 | +2.5% |
| Sep 2025 | -0.8% |
| Jun 2025 | -4.5% |
| Mar 2025 | -6.0% |
| Dec 2024 | -5.5% |
| Sep 2024 | -4.6% |
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
n/a
no close on file at or before the as-of date
P/E, trailing CALX
| 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
Enterprise value
n/a
no close on file at or before the as-of date
Enterprise value CALX
| 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
FCF yield
n/a
no close on file at or before the as-of date
FCF yield CALX
| 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
PEG, trailing
n/a
no close on file at or before the as-of date
PEG, trailing CALX
| 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
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 | $1.0B | $831.5M | $1.0B | $867.8M |
| Gross profit | $568.3M | $453.6M | $518.3M | $435.4M |
| Operating income | $21.0M | -$43.0M | $25.6M | $52.6M |
| Net income | $17.9M | -$29.7M | $29.3M | $41.0M |
| EPS (diluted) | 0.26 | -0.45 | 0.42 | 0.60 |
| Operating cash flow | $135.0M | $68.4M | $56.3M | $27.2M |
| Cash | $143.1M | $43.2M | $63.4M | $79.1M |
| Buybacks | $93.6M | $10.7M | $86.4M | $0 |
SEC XBRL, fiscal years, as known on 2026-10-28
CALX Stock Sonar score 5/7 axes
Find similar shapesCompareCALX ranks highest on institutional and government (72nd percentile) and growth (69th), and lowest on insider conviction (18th), among Telecom peers.
5 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
CALX filings, in plain words
Are Calix insiders buying or selling CALX?
In the 180 days to 2026-10-28, Calix insiders were net sellers, a net $2.7M across purchases and sales reported on Form 4, by 1 seller.
Read the full summary
In the 180 days to 2026-10-28, Calix insiders were net sellers of CALX, a net $2.7M across purchases and sales reported on Form 4 by 1 seller. Most of that figure, $2.7M, came from a holder of 10% or more rather than an officer or director. 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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