CALX insider buying and SEC filings, explained
Calix, Inc. · CIK 1406666
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Communications Services, NEC
- Fiscal year end
- Dec 31
- Former names
- CALIX NETWORKS INC
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$51.3M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Jul 27, 2026 | Planned (10b5-1) | Carl Russo (Director and 10% owner) sold 75,000 shares indirectly at about $36.20 ($2.7M), marked as a 10b5-1 plan trade. Indirect holdings down 5% to 1,569,188 shares. | SEC filing Filed Jul 28, 2026 |
| Apr 27, 2026 | Planned (10b5-1) | Carl Russo (Director and 10% owner) sold 25,000 shares indirectly at about $43.26 ($1.1M), marked as a 10b5-1 plan trade. Indirect holdings down 1% to 1,644,188 shares. | SEC filing Filed Apr 28, 2026 |
| Feb 3, 2026 | Planned (10b5-1) | Carl Russo (Director and 10% owner) sold 25,000 shares indirectly at about $47.27 ($1.2M), marked as a 10b5-1 plan trade. Indirect holdings down 1% to 1,669,188 shares. | SEC filing Filed Feb 4, 2026 |
| Nov 4, 2025 | Planned (10b5-1) | Carl Russo (Director and 10% owner) sold 420,000 shares indirectly at about $64.09 ($26.9M), marked as a 10b5-1 plan trade. Indirect holdings down 20% to 1,694,188 shares. | SEC filing Filed Nov 6, 2025 |
| Oct 30–Nov 3, 2025 | Planned (10b5-1) | Michael Weening (CEO and Director) sold 274,000 shares between Oct 30, 2025 and Nov 3, 2025 at about $65.92 ($18.1M), marked as a 10b5-1 plan trade. Holdings down 94% to 16,117 shares. | SEC filing Filed Nov 3, 2025 |
| Oct 30–31, 2025 | Planned (10b5-1) | Cory Sindelar (CFO) sold 20,000 shares between Oct 30, 2025 and Oct 31, 2025 at about $67.50 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 21% to 76,555 shares. | SEC filing Filed Nov 3, 2025 |
31 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 2, 2026, 5:07 PM ET 8-K | Earnings released (Item 2.02) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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