Cory Sindelar - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Cory Sindelar is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $6.29M.
Profile
Cory Sindelar serves as Chief Financial Officer of CALIX, INC ((CALX)). Sindelar has reported 8 insider filings with the SEC since 2025. The most recent filing was in February 2026.
| Role | Chief Financial Officer |
|---|---|
| Notability | 34/100 |
Board memberships
- CALIX, INC
Reported roles
- Chief Financial Officer
Trading Pattern
InsiderAlpha's records for Cory Sindelar go back to 2025: 8 primary Form 4 filings, an average of 4.0 per year. 6 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Career & Filing History
Every role Cory Sindelar has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Chief Financial Officer at CALIX, INC (CALX) - 8 filings, 2025 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-02-17 | CALX | CALIX, INC | A - Grant or award | 439 | $45.32 | $20K |
| 2026-02-03 | CALX | CALIX, INC | M - Option exercise | 27.0K | $5.05 | $136K |
| 2025-11-12 | CALX | CALIX, INC | S - Open-market sale | 50.0K | $65.30 | $3.26M |
| 2025-11-12 | CALX | CALIX, INC | M - Option exercise | 50.0K | $5.05 | $252K |
| 2025-11-03 | CALX | CALIX, INC | S - Open-market sale [10b5-1] | 10.0K | $70.00 | $700K |
| 2025-11-03 | CALX | CALIX, INC | M - Option exercise [10b5-1] | 10.0K | $5.05 | $50K |
| 2025-11-03 | CALX | CALIX, INC | S - Open-market sale [10b5-1] | 10.0K | $65.00 | $650K |
| 2025-11-03 | CALX | CALIX, INC | M - Option exercise [10b5-1] | 10.0K | $5.05 | $50K |
| 2025-08-28 | CALX | CALIX, INC | S - Open-market sale | 10.0K | $60.00 | $600K |
| 2025-08-28 | CALX | CALIX, INC | M - Option exercise | 10.0K | $5.05 | $50K |
| 2025-08-14 | CALX | CALIX, INC | A - Grant or award | 270 | $33.69 | $9K |
| 2025-07-23 | CALX | CALIX, INC | S - Open-market sale | 10.0K | $56.00 | $560K |
| 2025-07-23 | CALX | CALIX, INC | M - Option exercise | 10.0K | $5.05 | $50K |
| 2025-06-30 | CALX | CALIX, INC | S - Open-market sale | 10.0K | $52.00 | $520K |
| 2025-06-30 | CALX | CALIX, INC | M - Option exercise | 10.0K | $5.05 | $50K |
Most Active Insiders Right Now
Cory Sindelar has no recent co-filers at the same companies, so here are the insiders with the largest open-market activity across the market in the last 90 days.
- MetLife Investment Management, LLC - $1600000.00B of FINS open-market activity in the last 90 days
- Magnetar Financial LLC - $16357.48B of CRWV open-market activity in the last 90 days
- Marianne Okland - $18.46B of STNG open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $14.13B of SVRE open-market activity in the last 90 days
- Vanessa Allen Sutherland - $7.44B of PSX open-market activity in the last 90 days
- AI Alpine (Luxembourg) S.a.r.l. - $2.69B of INIO open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Kenneth S. Courtis
- Cynosure Group, LLC
- James H. Dahl
- Andrew Dakos
- Joseph Patrick Daly
- Kenneth Bryan Dart
- Charles A. Davis
- Deep Track Biotechnology Master Fund, Ltd.
Frequently Asked Questions
Who is Cory Sindelar?
Cory Sindelar serves as Chief Financial Officer of CALIX, INC ((CALX)). Sindelar has reported 8 insider filings with the SEC since 2025. The most recent filing was in February 2026.…
Has Cory Sindelar been buying or selling stock?
Recorded transactions: 0 open-market purchases and 6 open-market sales ($6.29M) across all tracked filings.
Where can I see all of Cory Sindelar's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Cory Sindelar profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.