Every material Form 8-K Calix filed with the SEC in 2026, read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). Newest first; each brief links to its own page and to the filing on SEC.gov.
Calix reported third-quarter 2026 revenue of $301.7 million, up 14% from a year earlier, with non-GAAP earnings of $0.44 per diluted share, within its guidance range. The company expects fourth-quarter revenue of $311 million to $317 million and full-year 2026 revenue growth of about 19%, but GAAP gross margin fell 400 basis points year over year due to higher memory costs.
Q3 2026 revenue was $301.7 million, up 3% sequentially and 14% year over year; non-GAAP gross margin was 53.5%, down 420 basis points from a year earlier.
GAAP net income was $10.2 million, down $5.4 million year over year; GAAP diluted EPS was $0.16 versus non-GAAP EPS of $0.44.
Q4 2026 guidance: revenue of $311 million to $317 million and non-GAAP EPS of $0.41 to $0.49.
In October 2026 the board increased the repurchase authorization by $100 million; $50.0 million was repurchased in Q3, leaving $144 million remaining.
Calix reported record second-quarter 2026 revenue of $293.3 million, up 5% from the prior quarter and 21% from a year earlier, with non-GAAP earnings of $0.47 per diluted share, above its $0.35 to $0.45 guidance. Non-GAAP gross margin fell 240 basis points sequentially to 54.8% on higher memory component costs, and third-quarter revenue guidance is $301 million to $307 million.
Q2 2026 revenue $293.3 million, up 5% sequentially and 21% year over year; guidance had been $287 million to $293 million
Non-GAAP net income $30.6 million; GAAP net income $17.1 million; non-GAAP EPS $0.47 versus $0.35 to $0.45 guidance
Non-GAAP gross margin 54.8%, down 240 basis points sequentially; Q3 non-GAAP gross margin guided to 50.5% to 53.5%
Company returned $69.4 million to stockholders through repurchase of 1.6 million shares; $94.1 million authorization remains
Calix reported first-quarter 2026 revenue of $280.0 million, a record and up 27% year over year, and guided second-quarter revenue to $287 million to $293 million. Non-GAAP net income was $27.2 million and non-GAAP earnings per diluted share were $0.40, while GAAP earnings per diluted share were $0.16. Non-GAAP gross margin is guided lower in the second quarter, and the company will hold an Investor Day at the New York Stock Exchange on April 22, 2026.
Q1 2026 revenue $280.0 million, up 3% sequentially and 27% year over year
Q1 2026 non-GAAP earnings per diluted share $0.40 vs GAAP $0.16
Q2 2026 revenue guidance $287 million to $293 million; non-GAAP gross margin guided to 53.95%–56.95% range midpoint 55.8%
Q1 2026 share repurchases of $171 million; remaining authorization $63 million
Calix reported unaudited fourth-quarter 2025 revenue of $272.4 million, a record that was up 32% from a year earlier and 3% from the prior quarter, and full-year 2025 revenue of $1.0 billion, up 20%. The company guided first-quarter 2026 revenue to $275 million to $281 million, above the fourth-quarter level, but its non-GAAP gross margin guidance midpoint is 75 basis points below the prior quarter.
Q4 2025 GAAP net income was $7.4 million, or $0.10 per diluted share; non-GAAP net income was $27.3 million, or $0.39 per diluted share.
Q1 2026 guidance: revenue $275 million to $281 million; non-GAAP net income per diluted share $0.34 to $0.40.
Non-GAAP gross margin for Q4 2025 was a record 58.0%, but Q1 2026 non-GAAP gross margin guidance midpoint is 57.25%, down 75 basis points, due to overlapping cloud costs during platform migration.
Calix will hold an Investor Day at the New York Stock Exchange on February 24, 2026, and a conference call is set for January 29, 2026.
Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.
Only material 8-Ks get a brief: results, deals, executive changes, restructuring, impairments, delisting notices, restatements, cybersecurity incidents and other disclosed events. Routine filings (vote results, exhibits only) are skipped. Every Calix filing is on SEC EDGAR ↗. 8-K briefs of other companies →