Donald J Listwin

CIK 1211436 · View on SEC EDGAR ↗

Insider

First SEC filing: March 23, 2010 · Latest: March 23, 2010

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 43 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

43 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 4, 2023 CALX S 100,000 $43.15 $4,315,000 497,533 Direct -16.74% Disposed -6.2% (price as of 2026-08-20)
Oct. 28, 2022 CALX S 50,001 $72.87 $3,643,573 599,999 Direct -7.69% Disposed -44.4% (price as of 2026-08-20)
Oct. 27, 2022 CALX S 50,000 $72.66 $3,633,000 650,000 Direct -7.14% Disposed -44.3% (price as of 2026-08-20)
Aug. 3, 2022 CALX S 35,000 $58.20 $2,037,000 700,000 Direct -4.76% Disposed -30.4% (price as of 2026-08-20)
May 6, 2022 CALX S 16,250 $37.72 $612,950 735,000 Direct -2.16% Disposed 7.3% (price as of 2026-08-20)
May 5, 2022 CALX S 33,750 $39.97 $1,348,988 751,250 Direct -4.30% Disposed 1.3% (price as of 2026-08-20)
Nov. 4, 2021 CALX P 23 $74.36 $1,710 800,000 Direct 0.00% Acquired -45.6% (price as of 2026-08-20)
Oct. 28, 2021 CALX P 15,000 $60.00 $900,000 799,977 Direct +1.91% Acquired -32.5% (price as of 2026-08-20)
Feb. 9, 2021 CALX P 20,000 $35.75 $715,000 300,000 Indirect +7.14% Acquired 13.2% (price as of 2026-08-20)
Nov. 10, 2020 CALX P 20,000 $22.53 $450,600 797,477 Direct +2.57% Acquired 79.7% (price as of 2026-08-20)
Aug. 26, 2020 CALX P 21,936 $20.40 $447,494 285,000 Indirect +8.34% Acquired 98.5% (price as of 2026-08-20)
Aug. 25, 2020 CALX P 5,109 $19.82 $101,260 263,064 Indirect +1.98% Acquired 104.3% (price as of 2026-08-20)
Aug. 24, 2020 CALX P 22,955 $19.98 $458,641 257,955 Indirect +9.77% Acquired 102.6% (price as of 2026-08-20)
Aug. 3, 2020 CALX P 15,000 $21.00 $315,000 792,477 Direct +1.93% Acquired 92.8% (price as of 2026-08-20)
May 1, 2020 CALX P 30,000 $12.11 $363,300 765,000 Direct +4.08% Acquired 234.3% (price as of 2026-08-20)
Feb. 18, 2020 CALX P 10,000 $10.20 $102,000 735,000 Direct +1.38% Acquired 296.9% (price as of 2026-08-20)
Feb. 18, 2020 CALX P 10,000 $10.20 $102,000 235,000 Indirect +4.44% Acquired 296.9% (price as of 2026-08-20)
Oct. 28, 2019 CALX P 25,000 $7.97 $199,250 225,000 Indirect +12.50% Acquired 408.0% (price as of 2026-08-20)
Aug. 5, 2019 CALX P 16,352 $5.96 $97,458 750,000 Direct +2.23% Acquired 579.3% (price as of 2026-08-20)
July 29, 2019 CALX P 19,180 $6.40 $122,752 733,648 Direct +2.68% Acquired 532.6% (price as of 2026-08-20)
May 13, 2019 CALX P 15,000 $6.72 $100,800 693,320 Direct +2.21% Acquired 502.5% (price as of 2026-08-20)
Feb. 14, 2019 CALX P 12,500 $8.04 $100,500 678,320 Direct +1.88% Acquired 403.5% (price as of 2026-08-20)
Nov. 8, 2018 CALX P 12,500 $9.80 $122,500 680,820 Direct +1.87% Acquired 313.1% (price as of 2026-08-20)
Aug. 10, 2018 CALX P 12,500 $6.88 $86,000 668,320 Direct +1.91% Acquired 488.4% (price as of 2026-08-20)
Feb. 18, 2014 CALX P 13,000 $7.80 $101,400 688,000 Direct +1.93% Acquired 419.0% (price as of 2026-08-20)
Nov. 1, 2013 CALX P 13,802 $10.18 $140,504 675,000 Direct +2.09% Acquired 297.7% (price as of 2026-08-20)
Aug. 5, 2013 CALX P 9,700 $12.48 $121,056 661,198 Direct +1.49% Acquired 224.4% (price as of 2026-08-20)
Aug. 2, 2013 CALX P 15,300 $12.20 $186,660 651,498 Direct +2.40% Acquired 231.8% (price as of 2026-08-20)
May 1, 2013 CALX P 5,000 $8.50 $42,500 625,000 Direct +0.81% Acquired 376.3% (price as of 2026-08-20)
April 30, 2013 CALX P 20,000 $8.46 $169,200 620,000 Direct +3.33% Acquired 378.5% (price as of 2026-08-20)
Feb. 8, 2013 CALX P 25,000 $8.01 $200,250 600,000 Direct +4.35% Acquired 405.4% (price as of 2026-08-20)
Nov. 15, 2012 CALX P 25,000 $5.66 $141,500 575,000 Direct +4.55% Acquired 615.3% (price as of 2026-08-20)
Sept. 5, 2012 CALX P 31,117 $5.18 $161,186 550,000 Direct +6.00% Acquired 681.6% (price as of 2026-08-20)
May 4, 2011 CALX P 25,000 $20.75 $518,750 502,464 Direct +5.24% Acquired 95.1% (price as of 2026-08-20)
May 3, 2011 CALX P 25,000 $21.19 $529,750 477,464 Direct +5.53% Acquired 91.1% (price as of 2026-08-20)
May 3, 2011 CALX P 25,000 $21.19 $529,750 477,464 Direct +5.53% Acquired 91.1% (price as of 2026-08-20)
May 3, 2011 CALX P 25,000 $20.75 $518,750 502,464 Direct +5.24% Acquired 95.1% (price as of 2026-08-20)
May 12, 2010 CALX P 40,000 $10.41 $416,400 447,464 Direct +9.82% Acquired 288.9% (price as of 2026-08-20)
May 11, 2010 CALX P 60,000 $10.15 $609,000 407,464 Direct +17.27% Acquired 298.9% (price as of 2026-08-20)

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
Jan. 20, 2023 CALX Stock Option (right to buy) Common Stock (9,073) $38.96 May 13, 2031 9,073 Acquired
May 12, 2022 CALX Stock Option (right to buy) Common Stock (9,960) $33.46 May 12, 2032 9,960 Acquired
May 13, 2021 CALX Stock Option (right to buy) Common Stock (9,073) $38.96 May 13, 2031 9,073 Acquired
Dec. 24, 2020 CALX Stock Option Common Stock (7,500) $21.67 July 19, 2021 7,500 Disposed
July 19, 2011 CALX Stock Option Common Stock (7,500) $21.67 July 19, 2021 7,500 Acquired
Jan. 26, 2011 CALX Stock Option (right to buy) Common Stock (1,250) $9.54 Jan. 26, 2020 1,250 Disposed
Nov. 5, 2010 CALX Stock Option (right to buy) Common Stock (3,750) $9.54 Jan. 26, 2020 3,750 Disposed
March 26, 2010 CALX Series J Preferred Stock Common Stock 253,616 Disposed
March 26, 2010 CALX Series I Preferred Stock Common Stock 53,746 Disposed
Jan. 26, 2010 CALX Stock Option (right to buy) Common Stock Jan. 25, 2020 5,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 4 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
March 23, 2010 CALX Common Stock Direct
March 23, 2010 CALX Series I Preferred Stock→ Common Stock Direct
March 23, 2010 CALX Series J Preferred Stock→ Common Stock Direct
March 23, 2010 CALX Stock Option (right to buy)→ Common Stock Direct