Michael Matthews
CIK 1507710 · View on SEC EDGAR ↗
Insider
First SEC filing: Dec. 13, 2010 · Latest: Dec. 13, 2010
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 17 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
17 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 2, 2022 | CALX | S | 2,000 | $72.33 | $144,660 | 64,000 Direct | -3.03% | Disposed | -45.8% (price as of 2026-08-19) |
| July 28, 2022 | CALX | S | 6,000 | $55.70 | $334,200 | 66,000 Direct | -8.33% | Disposed | -29.7% (price as of 2026-08-19) |
| Aug. 5, 2021 | CALX | S | 2,500 | $44.73 | $111,825 | 72,885 Direct | -3.32% | Disposed | -12.4% (price as of 2026-08-19) |
| Aug. 5, 2021 | CALX | S | 885 | $45.07 | $39,887 | 72,000 Direct | -1.21% | Disposed | -13.1% (price as of 2026-08-19) |
| Oct. 28, 2020 | CALX | S | 10,000 | $24.09 | $240,900 | 72,885 Direct | -12.06% | Disposed | 62.6% (price as of 2026-08-19) |
| Nov. 4, 2019 | CALX | S | 6,800 | $7.54 | $51,272 | 60,408 Direct | -10.12% | Disposed | 419.6% (price as of 2026-08-19) |
| Nov. 1, 2019 | CALX | S | 3,200 | $7.61 | $24,352 | 67,208 Direct | -4.54% | Disposed | 414.8% (price as of 2026-08-19) |
| Oct. 29, 2019 | CALX | S | 10,000 | $7.75 | $77,500 | 70,408 Direct | -12.44% | Disposed | 405.5% (price as of 2026-08-19) |
| Aug. 26, 2019 | CALX | S | 20,000 | $5.86 | $117,200 | 80,408 Direct | -19.92% | Disposed | 568.6% (price as of 2026-08-19) |
| May 7, 2019 | CALX | S | 13,000 | $7.09 | $92,170 | 79,260 Direct | -14.09% | Disposed | 452.6% (price as of 2026-08-19) |
| Nov. 27, 2018 | CALX | S | 7,000 | $9.76 | $68,320 | 92,260 Direct | -7.05% | Disposed | 301.4% (price as of 2026-08-19) |
| May 14, 2018 | CALX | S | 15,000 | $6.29 | $94,350 | 99,260 Direct | -13.13% | Disposed | 522.9% (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| May 12, 2022 | CALX | Stock Option (right to buy) | Common Stock | $33.46 | May 12, 2032 | — | Acquired |
| July 16, 2021 | CALX | Stock Options (right to buy) | Common Stock (2,500) | $21.67 | July 19, 2021 | 2,500 | Disposed |
| May 13, 2021 | CALX | Stock Option (right to buy) | Common Stock (9,073) | $38.96 | May 13, 2031 | 9,073 | Acquired |
| Oct. 28, 2020 | CALX | Stock Option (right to buy) | Common Stock (10,000) | $15.20 | Dec. 7, 2020 | 10,000 | Disposed |
| July 19, 2011 | CALX | Stock Options (right to buy) | Common Stock (2,500) | $21.67 | July 19, 2021 | 2,500 | Acquired |
| Dec. 7, 2010 | CALX | Stock Option (right to buy) | Common Stock (10,000) | $15.20 | Dec. 7, 2020 | 10,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 13, 2010 | CALX | No securities are beneficially owned | 0 | Direct |