| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
President & CEO | President & COO | EVP & COO +2 more
1 company
Michael Weening is President & CEO at CALX. Michael Weening's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $550K at current prices.
Historically, Michael Weening's trades have earned a strong insider score of 74/100 across 14 rated trades. Over a 12-month horizon, 91.7% of those trades were profitable, with an average 12-month return of +28.8%.
The CALX filings lean toward selling, a net 1,273,322 shares.
Michael Weening has 40 Form 4 filings on record from June 2016 to February 2026, all as President & CEO at Calix (CALX), 2016–2026.
The 65 reported transactions were 17 stock awards, 16 option or other derivative awards, 15 option exercises and 15 open-market sales, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 2 purchases worth about $22K and 9 sales worth about $72.7M.
The largest open-market purchase was 341 shares of CALX at an average $34.98 on August 14, 2023, about $12K. Twelve months later CALX was down 9%.
The largest open-market sale was 274,000 shares of CALX at an average $65.91 on November 3, 2025, about $18.1M. Twelve months later CALX was down 43%.
All 7 sales since April 2023 were made under a Rule 10b5-1 trading plan, set up in advance.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Nov 3, 2025 | CALX Calix, Inc | President & CEO | Sale+OE10b5-1 | 274,000 | $65.91 | $18,060,582.20 | -94.4% | -29.6% | -43.0% | |
| Sep 11, 2025 | CALX Calix, Inc | President & CEO | Sale+OE10b5-1 | 176,000 | $62.15 | $10,938,000.00 | -91.6% | -11.5% | -44.3% | |
| Sep 4, 2025 | CALX Calix, Inc | President & CEO | Sale+OE10b5-1 | 24,000 | $60.00 | $1,440,000.00 | -59.8% | -11.0% | -41.1% | |
| Aug 28, 2025 | CALX Calix, Inc | President & CEO | Sale+OE10b5-1 | 126,000 | $60.00 | $7,560,000.00 | -88.7% | -8.6% | -38.6% | |
| Aug 4, 2025 | CALX Calix, Inc | President & CEO | Sale+OE10b5-1 | 74,000 | $57.00 | $4,218,000.00 | -82.4% | +17.0% | -31.3% | |
| Jul 23, 2025 | CALX Calix, Inc | President & CEO | Sale+OE10b5-1 | 200,000 | $55.62 | $11,124,000.00 | -92.7% | +6.3% | -36.1% | |
| Jun 2, 2025 | CALX Calix, Inc | President & CEO | Sale+OE10b5-1 | 100,000 | $46.59 | $4,658,710.00 | -86.3% | +24.8% | -16.5% | |
| Aug 14, 2023 | CALX Calix, Inc | President & CEO | Buy | 341 | $34.98 | $11,927.33 | +2.4% | -15.4% | -9.0% | |
| Aug 14, 2021 | CALX Calix, Inc | President & COO | Buy | 337 | $31.28 | $10,541.36 | +2.5% | +66.2% | +26.3% | |
| Jul 7, 2021 | CALX Calix, Inc | President & COO | Sale+OE | 291,581 | $49.00 | $14,287,469.00 | -95.5% | +21.3% | -11.8% |