Thomas E Pardun

CIK 1232833 · 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) 1 sells (S) Net: $-1,155,000 + 82 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

82 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 26, 2026 MXL S 11,000 $105.00 $1,155,000 55,252 Indirect -16.60% Disposed -26.4% (price as of 2026-08-18)
Feb. 12, 2019 MXL S 16,575 $22.15 $367,136 66,252 Direct -20.01% Disposed 249.1% (price as of 2026-08-18)
May 25, 2017 MXL S 21,149 $31.13 $658,368 66,252 Direct -24.20% Disposed 148.4% (price as of 2026-08-18)
June 3, 2016 MXL S 18,000 $20.39 $367,020 66,252 Direct -21.36% Disposed 279.2% (price as of 2026-08-18)
Feb. 18, 2015 WDC S 6,000 $107.50 $645,000 25,792 Direct -18.87% Disposed 521.3% (price as of 2026-08-18)
Dec. 4, 2014 WDC S 8,743 $104.00 $909,272 25,792 Direct -25.32% Disposed 542.2% (price as of 2026-08-18)
Dec. 3, 2014 WDC S 5,046 $103.00 $519,738 25,792 Direct -16.36% Disposed 548.4% (price as of 2026-08-18)
Aug. 6, 2014 WDC S 8,000 $102.00 $816,000 27,867 Direct -22.30% Disposed 554.8% (price as of 2026-08-18)
June 17, 2014 WDC S 6,909 $92.50 $639,082 27,867 Direct -19.87% Disposed 622.0% (price as of 2026-08-18)
Feb. 21, 2014 WDC S 10,630 $87.98 $935,227 27,867 Direct -27.61% Disposed 659.1% (price as of 2026-08-18)
Nov. 12, 2013 WDC S 6,000 $71.49 $428,940 27,508 Direct -17.91% Disposed 834.2% (price as of 2026-08-18)
May 14, 2013 WDC S 9,185 $59.00 $541,915 33,364 Direct -21.59% Disposed 1032.0% (price as of 2026-08-18)
March 18, 2013 WDC S 7,500 $50.00 $375,000 33,364 Direct -18.35% Disposed 1235.7% (price as of 2026-08-18)
Feb. 19, 2013 WDC S 5,000 $49.00 $245,000 33,364 Direct -13.03% Disposed 1263.0% (price as of 2026-08-18)
Dec. 19, 2012 WDC S 10,000 $40.93 $409,300 33,364 Direct -23.06% Disposed 1531.7% (price as of 2026-08-18)
Dec. 19, 2012 WDC S 7,306 $41.04 $299,838 8,148 Indirect -47.28% Disposed 1527.3% (price as of 2026-08-18)
Dec. 19, 2012 WDC S 8,148 $41.04 $334,394 0 Indirect -100.00% Disposed 1527.3% (price as of 2026-08-18)
Aug. 13, 2012 WDC S 10,000 $44.00 $440,000 25,449 Direct -28.21% Disposed 1417.9% (price as of 2026-08-18)

Showing latest 100 of 180 transactions

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 20, 2026 MXL Restricted Stock Units Common Stock (1,963) — — 1,963 Acquired
May 20, 2025 MXL Restricted Stock Units Common Stock (15,741) — — 15,741 Acquired
May 20, 2025 MXL Restricted Stock Units Common Stock (18,227) — — 18,227 Acquired
May 1, 2025 MXL Restricted Stock Units Common Stock (12,141) — — 12,141 Disposed
May 23, 2024 MXL Restricted Stock Units Common Stock (12,141) — — 12,141 Acquired
May 10, 2023 MXL Restricted Stock Units Common Stock (9,170) — — 9,170 Acquired
May 26, 2022 MXL Restricted Stock Units Common Stock (5,633) — — 5,633 Acquired
May 12, 2021 MXL Restricted Stock Units Common Stock (5,944) — — 5,944 Acquired
Sept. 10, 2020 MXL Restricted Stock Units Common Stock (1,165) — — 1,165 Acquired
June 8, 2020 MXL Restricted Stock Units Common Stock (7,890) — — 7,890 Acquired
May 9, 2019 MXL Restricted Stock Units Common Stock (6,545) — — 6,545 Acquired
Feb. 12, 2019 MXL Stock Option (right to buy) Common Stock (16,575) $4.26 July 27, 2019 16,575 Disposed
May 25, 2018 MXL Restricted Stock Units Common Stock (8,748) — — 8,748 Acquired
May 25, 2017 MXL Stock Option (Right to Buy) Common Stock (21,149) $9.10 May 6, 2018 21,149 Disposed
May 24, 2017 MXL Restricted Stock Units Common Stock (4,138) — — 4,138 Acquired
March 29, 2017 MXL Stock Option (Right to Buy) Common Stock (21,149) $9.10 May 6, 2018 21,149 Acquired
March 29, 2017 MXL Stock Option (Right to Buy) Class A Common Stock (21,149) $9.10 May 6, 2018 21,149 Disposed
March 29, 2017 MXL Stock Option (Right to Buy) Common Stock (10,857) $14.00 March 23, 2020 10,857 Acquired
March 29, 2017 MXL Stock Option (Right to Buy) Class A Common Stock (10,857) $14.00 March 23, 2020 10,857 Disposed
March 29, 2017 MXL Stock Option (Right to Buy) Common Stock (16,575) $4.26 July 27, 2019 16,575 Acquired
March 29, 2017 MXL Stock Option (Right to Buy) Class B Common Stock (16,575) $4.26 July 27, 2019 16,575 Disposed
March 29, 2017 MXL Restricted Stock Units Common Stock (6,217) — — 6,217 Acquired
March 29, 2017 MXL Restricted Stock Units Class A Common Stock (6,217) — — 6,217 Disposed
June 3, 2016 MXL Stock Option (right to buy) Class A Common Stock (par value $0.0001) (18,000) $4.26 July 28, 2019 18,000 Disposed
June 1, 2016 MXL Restricted Stock Units Class A Common Stock (par value $0.0001) (6,217) — — 6,217 Acquired
Nov. 3, 2015 WDC Dividend Equivalent Rights Common Stock (59) — — 59 Disposed
Oct. 15, 2015 WDC Dividend Equivalent Rights Common Stock (130) — — 130 Acquired
July 15, 2015 WDC Dividend Equivalent Rights Common Stock (133) — — 133 Acquired
April 16, 2015 WDC Dividend Equivalent Rights Common Stock (107) — — 107 Acquired
Feb. 18, 2015 WDC Non-Qualified Stock Option (right to buy) Common Stock (6,000) $25.79 Nov. 10, 2018 6,000 Disposed
Jan. 15, 2015 WDC Dividend Equivalent Rights Common Stock (79) — — 79 Acquired
Dec. 4, 2014 WDC Non-Qualified Stock Option (right to buy) Common Stock (8,743) $15.34 Nov. 6, 2015 8,743 Disposed
Nov. 10, 2014 WDC Dividend Equivalent Rights Common Stock (200) — — 200 Disposed
Oct. 15, 2014 WDC Dividend Equivalent Rights Common Stock (125) — — 125 Acquired
Aug. 6, 2014 WDC Non-Qualified Stock Option (right to buy) Common Stock (8,000) $15.34 Nov. 6, 2015 8,000 Disposed
July 15, 2014 WDC Dividend Equivalent Rights Common Stock (108) — — 108 Acquired
June 17, 2014 WDC Non-Qualified Stock Option (right to buy) Common Stock (6,909) $38.53 Nov. 11, 2016 6,909 Disposed
April 15, 2014 WDC Dividend Equivalent Rights Common Stock (89) — — 89 Acquired
Feb. 21, 2014 WDC Non-Qualified Stock Option (right to buy) Common Stock (7,364) $27.64 Nov. 6, 2014 7,364 Disposed
Jan. 15, 2014 WDC Dividend Equivalent Rights Common Stock (89) — — 89 Acquired
Nov. 8, 2013 WDC Dividend Equivalent Rights Common Stock (144) — — 144 Disposed
Oct. 15, 2013 WDC Dividend Equivalent Rights Common Stock (112) — — 112 Acquired
July 15, 2013 WDC Dividend Equivalent Rights Common Stock (112) — — 112 Acquired
May 14, 2013 WDC Non-Qualified Stock Option (right to buy) Common Stock (9,185) $19.09 Feb. 6, 2017 9,185 Disposed
April 15, 2013 WDC Dividend Equivalent Rights Common Stock (149) — — 149 Acquired
March 18, 2013 WDC Non-Qualified Stock Option (right to buy) Common Stock (7,500) $13.76 Nov. 17, 2015 7,500 Disposed
Feb. 19, 2013 WDC Non-Qualified Stock Option (right to buy) Common Stock (5,000) $13.76 Nov. 17, 2015 5,000 Disposed
Dec. 26, 2012 WDC Dividend Equivalent Rights Common Stock (180) — — 180 Acquired
Dec. 19, 2012 WDC Non-Qualified Stock Option (right to buy) Common Stock (10,000) $9.21 Nov. 18, 2014 10,000 Disposed
Nov. 11, 2012 WDC Dividend Equivalent Rights Common Stock (23) — — 23 Disposed
Oct. 15, 2012 WDC Dividend Equivalent Rights Common Stock (178) — — 178 Acquired
Aug. 13, 2012 WDC Non-Qualified Stock Option (right to buy) Common Stock (10,000) $11.61 Nov. 20, 2013 10,000 Disposed
Nov. 10, 2011 WDC Non-Qualified Stock Option (right to buy) Common Stock (11,542) $25.79 Nov. 10, 2018 11,542 Acquired
Oct. 18, 2011 CALX Stock Option (right to buy) Common Stock (1,750) $8.97 July 19, 2021 1,750 Acquired
May 6, 2011 MXL Stock Option (Right to Buy) Class A Common Stock (par value $0.0001) (21,149) $9.10 May 6, 2018 21,149 Acquired
Feb. 22, 2011 CALX Stock Option (right to buy) Common Stock (121) $22.59 Sept. 21, 2015 121 Acquired
Feb. 22, 2011 CALX Stock Option (right to buy) Common Stock (182) $22.59 Sept. 21, 2015 182 Acquired
Feb. 22, 2011 CALX Stock Option (right to buy) Common Stock (2,435) $42.60 April 27, 2016 2,435 Acquired
Feb. 22, 2011 CALX Stock Option (right to buy) Common Stock (10,000) $18.44 Feb. 22, 2021 10,000 Acquired
Nov. 11, 2010 WDC Non-Qualified Stock Option (right to buy) Common Stock (8,506) $32.99 Nov. 11, 2017 8,506 Acquired
March 29, 2010 MXL Stock Option (right to buy) Class B Common Stock [F3] (34,575) $4.26 July 28, 2019 34,575 Acquired
March 29, 2010 MXL Stock Option (right to buy) Common Stock (34,575) $4.26 July 28, 2019 34,575 Disposed
March 23, 2010 MXL Stock Option (right to buy) Class A Common Stock ($0.0001 par value) (10,857) $14.00 March 23, 2020 10,857 Acquired
Nov. 11, 2009 WDC Non-Qualified Stock Option (right to buy) Common Stock (6,909) $38.53 Nov. 11, 2016 6,909 Acquired
April 13, 2009 WDC Deferred Stock Units Common Stock (2,306) — — 2,306 Disposed
Nov. 6, 2008 WDC Non-Qualified Stock Option (right to buy) Common Stock (16,743) $15.34 Nov. 6, 2015 16,743 Acquired
June 19, 2008 WDC Non-Qualified Stock Option (right to buy) Common Stock (10,000) $7.91 Nov. 14, 2012 10,000 Disposed
Jan. 1, 2008 WDC Phantom Stock Common Stock (4,527) $0.00 Jan. 1, 2008 4,527 Disposed
Nov. 6, 2007 WDC Non-Qualified Stock Option (right to buy) Common Stock (7,364) $27.64 Nov. 6, 2014 7,364 Acquired
Nov. 5, 2007 WDC Non-Qualified Stock Option (right to buy) Common Stock (10,000) $4.53 Nov. 29, 2011 10,000 Disposed
Nov. 5, 2007 WDC Non-Qualified Stock Option (right to buy) Common Stock (7,500) $13.62 Nov. 5, 2008 7,500 Disposed
Nov. 5, 2007 WDC Non-Qualified Stock Option (right to buy) Common Stock (7,500) $21.00 Nov. 13, 2007 7,500 Disposed
Feb. 6, 2007 WDC Non-Qualified Stock Option (right to buy) Common Stock (9,185) $19.09 Feb. 6, 2017 9,185 Acquired
Jan. 1, 2007 WDC Phantom Stock Common Stock (2,100) $0.00 Jan. 1, 2007 2,100 Disposed
April 1, 2006 WDC Phantom Stock Common Stock (2,100) $0.00 April 1, 2006 2,100 Disposed
Dec. 22, 2005 WDC Non-Qualified Stock Option (right to buy) Common Stock (10,000) $9.31 March 28, 2006 10,000 Disposed
Nov. 17, 2005 WDC Non-Qualified Stock Option (right to buy) Common Stock (12,500) $13.76 Nov. 17, 2015 12,500 Acquired
Feb. 17, 2005 WDC Non-Qualified Stock Option (right to buy) Common Stock (50,000) $4.56 Jan. 12, 2010 50,000 Disposed
Feb. 15, 2005 WDC Non-Qualified Stock Option (right to buy) Common Stock (50,000) $4.56 Jan. 12, 2010 50,000 Disposed
Jan. 1, 2005 WDC Deferred Stock Units Common Stock (2,306) $0.00 — 2,306 Acquired
Jan. 1, 2005 WDC Phantom Stock Common Stock (4,527) — Jan. 1, 2008 4,527 Acquired
Dec. 8, 2004 WDC Non-Qualified Stock Option (right to buy) Common Stock (5,000) $3.25 Nov. 30, 2010 5,000 Disposed
Dec. 8, 2004 WDC Non-Qualified Stock Option (right to buy) Common Stock (7,500) $3.94 Nov. 18, 2009 7,500 Disposed
Dec. 8, 2004 WDC Non-Qualified Stock Option (right to buy) Common Stock (50,000) $4.38 May 25, 2010 50,000 Disposed
Dec. 8, 2004 WDC Non-Qualified Stock Option (right to buy) Common Stock (10,000) $7.69 Nov. 17, 2005 10,000 Disposed
Dec. 8, 2004 WDC Non-Qualified Stock Option (right to buy) Common Stock (12,500) $8.00 Nov. 3, 2005 12,500 Disposed
Nov. 18, 2004 WDC Non-Qualified Stock Option (right to buy) Common Stock (10,000) $9.21 Nov. 18, 2014 10,000 Acquired
Jan. 1, 2004 WDC Deferred Stock Units Common Stock (2,120) $0.00 — 2,120 Acquired
Jan. 1, 2004 WDC Phantom Stock [F2] Common Stock (2,100) — Jan. 1, 2007 2,100 Acquired
Nov. 20, 2003 WDC Non-Qualified Stock Option (right to buy) Common Stock (10,000) $11.61 Nov. 20, 2013 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
March 23, 2010 MXL Stock Option (right to buy)→ Common Stock [F2,F3] (34,575) 34,575 Direct