Michael Weening
President & CEO at Calix Inc
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2023
3 years of board service in total across 1 board, counting each seat separately. Longest: Calix Inc, 2 years.
Calix Inc
Director · President & CEO
Chief executive roles
Calix Inc
· President & CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Feb 14, 2026 | Calix Inc | Grant or award | +439 | $45.32 | $19,895 |
| Nov 3, 2025 | Calix Inc | Option exercise | +74,000 | $7.84 | $580,160 |
| Nov 3, 2025 | Calix Inc | Open-market sale | −74,000 | $67.42 | $4,989,080 |
| Oct 30, 2025 | Calix Inc | Option exercise | +200,000 | $7.84 | $1,568,000 |
| Oct 30, 2025 | Calix Inc | Open-market sale | −150,000 | $64.63 | $9,694,500 |
| Oct 30, 2025 | Calix Inc | Open-market sale | −50,000 | $67.55 | $3,377,500 |
| Sep 11, 2025 | Calix Inc | Option exercise | +18,010 | $7.84 | $141,198 |
| Sep 11, 2025 | Calix Inc | Open-market sale | −18,010 | $63.00 | $1,134,630 |
| Sep 10, 2025 | Calix Inc | Option exercise | +150,000 | $7.84 | $1,176,000 |
| Sep 10, 2025 | Calix Inc | Open-market sale | −150,000 | $62.00 | $9,300,000 |
| Sep 10, 2025 | Calix Inc | Option exercise | +7,990 | $7.84 | $62,642 |
| Sep 10, 2025 | Calix Inc | Open-market sale | −7,990 | $63.00 | $503,370 |
| Sep 4, 2025 | Calix Inc | Option exercise | +24,000 | $7.84 | $188,160 |
| Sep 4, 2025 | Calix Inc | Open-market sale | −24,000 | $60.00 | $1,440,000 |
| Aug 28, 2025 | Calix Inc | Option exercise | +126,000 | $7.84 | $987,840 |
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