WAVEMAN · COMPANY

CALX · Calix, Inc

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TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475

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CALX

Name: CALIX, INC (CALX) insider trading and ownership data
Creator: WaveMan
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CALIX, INC

TELECOM · COMMUNICATIONS SERVICES, NEC · CIK 0001406666

FORM 144 · 1☆ WATCH

INSIDER NET · 180D

-$3.8M

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

149

13F, latest reported quarter

REVENUE GROWTH

+20.3%

XBRL, annual

NET MARGIN

1.8%

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$3.8M over 180 days

-$2.7M over 90 days · -$3.8M of it by a 10%+ holder

below 73% of Telecom

CONGRESS

no member of Congress has reported trading it

FUNDS

149 funds added or opened last quarter

more than 63% of Telecom

REVENUE

+20.3% year over year

more than 81% of Telecom

MARGIN

1.8% net margin

more than 63% of Telecom

BUYBACKS

$240.2M repurchased, FY to 2026-06-27

more than 79% of Telecom

SHORT

7.9% of shares outstanding short · 2.9 days to cover · settled 2026-07-31

more than 83% of Telecom

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

149 funds added or opened positions in the latest 13F quarter, of 290 holders.

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

Insiders have filed to sell — before selling.

The record shows a net $3.8M sold by insiders over 180 days, 149 funds added last quarter, $2.7M in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

TMUS ROKU CXDO NXST CCOI SHEN SPOK GSAT MDIA ATEX SPIR TSQ

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, CALIX, INC insiders sold a net $3.8M of stock across 83 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-06.

INSIDER

FILED

VALUE

Russo Carl

Director

SELL

2026-07-27

75,000.0

$2.7M

Russo Carl

Director

SELL

2026-04-27

20,909.0

$902.6K

Russo Carl

Director

SELL

2026-04-27

4,091.0

$179.0K

Russo Carl

Director

SELL

2026-02-03

13,477.0

$632.5K

Russo Carl

Director

SELL

2026-02-03

11,523.0

$549.2K

83 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 78 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

BlackRock, Inc.

11,775,490.0 sh

$439.5M

VANGUARD PORTFOLIO MANAGEMENT LLC

5,588,048.0 sh

$208.5M

ALLIANCEBERNSTEIN L.P.

3,248,412.0 sh

$159.1M

STATE STREET CORP

2,915,560.0 sh

$108.8M

VANGUARD CAPITAL MANAGEMENT LLC

2,587,424.0 sh

$96.6M

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

Planned sales · Form 144

Filed before the sale — intent, not a trade

Russo Carl

FILED 2026-07-27

$2.7M

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

iShares Cybersecurity and Tech ETF

$25.9M POSITION · AS OF 2026-04-30

3.5%

State Street(R) SPDR(R) S&P(R) Telecom ETF

$13.4M POSITION · AS OF 2026-03-31

3.2%

Rockefeller US Small Cap Core Fund

$2.7M POSITION · AS OF 2026-02-28

2.7%

iShares U.S. Digital Infrastructure and Real Estate ETF

$4.0M POSITION · AS OF 2026-03-31

2.4%

Congress Small Cap Growth Fund

$39.0M POSITION · AS OF 2026-04-30

2.0%

Counterpoint Quantitative Equity ETF

$4.2M POSITION · AS OF 2026-03-31

2.0%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	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-YEAR PERIODS · AS KNOWN ON 2026-09-06 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE