Mark G Merrill

CIK 1256304 · View on SEC EDGAR ↗

Insider

First SEC filing: July 30, 2003 · Latest: July 30, 2003

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 66 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

66 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Oct. 20, 2021 NTGR S 10b5-1 500 $33.33 $16,665 58,705 Direct -0.84% Disposed -34.9% (price as of 2026-08-20)
Oct. 20, 2021 NTGR S 10b5-1 3,000 $33.23 $99,690 59,205 Direct -4.82% Disposed -34.7% (price as of 2026-08-20)
Sept. 15, 2021 NTGR S 10b5-1 500 $32.25 $16,125 59,205 Direct -0.84% Disposed -32.7% (price as of 2026-08-20)
Sept. 15, 2021 NTGR S 10b5-1 3,000 $32.25 $96,750 59,705 Direct -4.78% Disposed -32.7% (price as of 2026-08-20)
Aug. 16, 2021 NTGR S 10b5-1 1,000 $35.00 $35,000 59,705 Direct -1.65% Disposed -38.0% (price as of 2026-08-20)
Aug. 16, 2021 NTGR S 10b5-1 2,732 $34.94 $95,456 59,705 Direct -4.38% Disposed -37.9% (price as of 2026-08-20)
Aug. 16, 2021 NTGR S 10b5-1 268 $34.94 $9,364 59,705 Direct -0.45% Disposed -37.9% (price as of 2026-08-20)
Aug. 16, 2021 NTGR S 10b5-1 500 $34.93 $17,465 59,705 Direct -0.83% Disposed -37.9% (price as of 2026-08-20)
July 21, 2021 NTGR S 4,000 $36.85 $147,400 61,977 Direct -6.06% Disposed -41.1% (price as of 2026-08-20)
July 21, 2021 NTGR S 10b5-1 500 $36.86 $18,430 61,977 Direct -0.80% Disposed -41.2% (price as of 2026-08-20)
June 15, 2021 NTGR S 10b5-1 500 $40.85 $20,425 46,783 Direct -1.06% Disposed -46.9% (price as of 2026-08-20)
June 15, 2021 NTGR S 10b5-1 3,000 $40.85 $122,550 46,783 Direct -6.03% Disposed -46.9% (price as of 2026-08-20)
June 15, 2021 NTGR S 10b5-1 1,000 $40.85 $40,850 46,783 Direct -2.09% Disposed -46.9% (price as of 2026-08-20)
June 15, 2021 NTGR S 10b5-1 1,000 $40.82 $40,820 47,283 Direct -2.07% Disposed -46.9% (price as of 2026-08-20)
May 20, 2021 NTGR S 10b5-1 1,000 $38.00 $38,000 47,283 Direct -2.07% Disposed -42.9% (price as of 2026-08-20)
May 17, 2021 NTGR S 10b5-1 1,000 $37.12 $37,120 47,283 Direct -2.07% Disposed -41.6% (price as of 2026-08-20)
May 17, 2021 NTGR S 10b5-1 500 $37.14 $18,570 47,283 Direct -1.05% Disposed -41.6% (price as of 2026-08-20)
May 17, 2021 NTGR S 10b5-1 3,000 $37.12 $111,360 47,783 Direct -5.91% Disposed -41.6% (price as of 2026-08-20)
April 21, 2021 NTGR S 10b5-1 1,000 $38.00 $38,000 49,294 Direct -1.99% Disposed -42.9% (price as of 2026-08-20)
April 21, 2021 NTGR S 10b5-1 1,000 $37.62 $37,620 48,294 Direct -2.03% Disposed -42.3% (price as of 2026-08-20)
April 21, 2021 NTGR S 10b5-1 3,000 $37.64 $112,920 48,294 Direct -5.85% Disposed -42.4% (price as of 2026-08-20)
April 21, 2021 NTGR S 10b5-1 500 $37.63 $18,815 48,294 Direct -1.02% Disposed -42.4% (price as of 2026-08-20)
March 15, 2021 NTGR S 10b5-1 899 $42.72 $38,405 48,794 Direct -1.81% Disposed -49.2% (price as of 2026-08-20)
March 15, 2021 NTGR S 10b5-1 101 $42.72 $4,315 48,794 Direct -0.21% Disposed -49.2% (price as of 2026-08-20)
March 15, 2021 NTGR S 10b5-1 1,000 $42.74 $42,740 48,794 Direct -2.01% Disposed -49.3% (price as of 2026-08-20)
March 15, 2021 NTGR S 10b5-1 3,000 $42.73 $128,190 48,794 Direct -5.79% Disposed -49.2% (price as of 2026-08-20)
March 15, 2021 NTGR S 10b5-1 500 $42.74 $21,370 48,794 Direct -1.01% Disposed -49.3% (price as of 2026-08-20)
Feb. 3, 2021 NTGR S 10b5-1 1,000 $43.24 $43,240 49,294 Direct -1.99% Disposed -49.8% (price as of 2026-08-20)
Feb. 3, 2021 NTGR S 10b5-1 1,000 $43.24 $43,240 50,294 Direct -1.95% Disposed -49.8% (price as of 2026-08-20)
Feb. 3, 2021 NTGR S 10b5-1 3,000 $43.05 $129,150 51,294 Direct -5.53% Disposed -49.6% (price as of 2026-08-20)
Feb. 3, 2021 NTGR S 10b5-1 500 $43.23 $21,615 49,294 Direct -1.00% Disposed -49.8% (price as of 2026-08-20)
Jan. 15, 2021 NTGR S 10b5-1 5,000 $38.84 $194,200 50,600 Direct -8.99% Disposed -44.2% (price as of 2026-08-20)
Jan. 15, 2021 NTGR S 10b5-1 500 $38.84 $19,420 50,600 Direct -0.98% Disposed -44.2% (price as of 2026-08-20)
Dec. 31, 2020 NTGR S 10b5-1 12,431 $40.91 $508,552 51,100 Direct -19.57% Disposed -47.0% (price as of 2026-08-20)

Showing latest 100 of 371 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
Oct. 20, 2021 NTGR Employee Stock Option (Right to Buy) Common Stock (3,000) $25.37 June 1, 2027 3,000 Disposed
Sept. 15, 2021 NTGR Employee Stock Option (Right to Buy) Common Stock (3,000) $25.37 June 1, 2027 3,000 Disposed
Aug. 16, 2021 NTGR Employee Stock Option (Right to Buy) Common Stock (1,268) $25.37 June 1, 2027 1,268 Disposed
Aug. 16, 2021 NTGR Employee Stock Option (Right to Buy) Common Stock (2,732) $23.48 March 24, 2026 2,732 Disposed
July 21, 2021 NTGR Employee Stock Option (Right to Buy) Common Stock (4,000) $23.48 March 24, 2026 4,000 Disposed
June 15, 2021 NTGR Employee Stock Option (Right to Buy) Common Stock (5,000) $23.48 March 24, 2026 5,000 Disposed
May 20, 2021 NTGR Employee Stock Option (Right to Buy) Common Stock (1,000) $23.48 March 24, 2026 1,000 Disposed
May 17, 2021 NTGR Employee Stock Option (Right to Buy) Common Stock (3,000) $23.48 March 24, 2026 4,000 Disposed
April 21, 2021 NTGR Employee Stock Option (Right to Buy) Common Stock (5,000) $23.48 March 24, 2026 5,000 Disposed
March 15, 2021 NTGR Employee Stock Option (Right to Buy) Common Stock (101) $23.48 March 24, 2026 101 Disposed
March 15, 2021 NTGR Employee Stock Option (Right to Buy) Common Stock (4,899) $18.58 June 2, 2025 4,899 Disposed
Feb. 3, 2021 NTGR Employee Stock Option (Right to Buy) Common Stock (5,000) $18.58 June 2, 2025 5,000 Disposed
Jan. 15, 2021 NTGR Employee Stock Option (Right to Buy) Common Stock (3,138) $18.58 June 2, 2025 3,138 Disposed
Jan. 15, 2021 NTGR Employee Stock Option (Right to Buy) Common Stock (1,862) $19.32 June 3, 2024 1,862 Disposed
July 19, 2019 NTGR Common Stock Common Stock (37,500) $26.61 July 19, 2029 37,500 Acquired
Jan. 25, 2018 NTGR Common Stock Common Stock (25,000) $70.15 Jan. 25, 2028 25,000 Acquired
Dec. 15, 2017 NTGR Employee Stock Option (Right to Buy) Common Stock (1,875) $31.28 June 2, 2025 1,875 Disposed
Dec. 15, 2017 NTGR Employee Stock Option (Right to Buy) Common Stock (1,125) $32.52 June 3, 2024 1,125 Disposed
Nov. 15, 2017 NTGR Employee Stock Option (Right to Buy) Common Stock (3,000) $32.52 June 3, 2024 3,000 Disposed
Oct. 16, 2017 NTGR Employee Stock Option (Right to Buy) Common Stock (3,000) $32.52 June 3, 2024 3,000 Disposed
Sept. 15, 2017 NTGR Employee Stock Option (Right to Buy) Common Stock (3,000) $32.52 June 3, 2024 3,000 Disposed
Aug. 15, 2017 NTGR Employee Stock Option (Right to Buy) Common Stock (3,000) $32.52 June 3, 2024 3,000 Disposed
July 25, 2017 NTGR Employee Stock Option (Right to Buy) Common Stock (6,000) $32.54 May 16, 2023 6,000 Disposed
June 1, 2017 NTGR Employee Stock Option (Right to Buy) Common Stock (25,000) $42.70 June 1, 2027 25,000 Acquired
May 15, 2017 NTGR Employee Stock Option (Right to Buy) Common Stock (3,000) $32.54 May 16, 2023 3,000 Disposed
April 17, 2017 NTGR Employee Stock Option (Right to Buy) Common Stock (3,000) $32.54 May 16, 2023 3,000 Disposed
March 15, 2017 NTGR Employee Stock Option (Right to Buy) Common Stock (3,000) $32.54 May 16, 2023 3,000 Disposed
Feb. 15, 2017 NTGR Employee Stock Option (Right to Buy) Common Stock (3,000) $31.31 June 6, 2022 3,000 Disposed
Jan. 17, 2017 NTGR Employee Stock Option (Right to Buy) Common Stock (3,000) $31.31 June 6, 2022 3,000 Disposed
Dec. 15, 2016 NTGR Employee Stock Option (Right to Buy) Common Stock (3,000) $35.32 Feb. 3, 2021 3,000 Disposed
Nov. 15, 2016 NTGR Employee Stock Option (Right to Buy) Common Stock $35.32 Feb. 3, 2021 3,000 Disposed
Nov. 15, 2016 NTGR Employee Stock Option (Right to Buy) Common Stock (1,251) $21.10 Feb. 2, 2020 1,251 Disposed
June 2, 2015 NTGR Employee Stock Option (Right to Buy) Common Stock (15,000) $31.28 June 2, 2025 15,000 Acquired
June 3, 2014 NTGR Employee Stock Option (Right to Buy) Common Stock (15,000) $32.52 June 3, 2024 15,000 Acquired
June 3, 2013 NTGR Employee Stock Option (Right to Buy) Common Stock (375) $21.10 Feb. 2, 2020 375 Disposed
May 16, 2013 NTGR Employee Stock Option (Right to Buy) Common Stock (15,000) $32.54 May 16, 2023 15,000 Acquired
Jan. 16, 2013 NTGR Restricted Stock Units Common Stock (750) 750 Disposed
Jan. 2, 2013 NTGR Employee Stock Option (Right to Buy) Common Stock (375) $21.10 Feb. 2, 2020 375 Disposed
Oct. 2, 2012 NTGR Employee Stock Option (Right to Buy) Common Stock (3,999) $21.10 Feb. 2, 2020 3,999 Disposed
Oct. 1, 2012 NTGR Employee Stock Option (Right to Buy) Common Stock (2,001) $6.00 Oct. 30, 2012 2,001 Disposed
June 6, 2012 NTGR Employee Stock Option (Right to Buy) Common Stock (6,000) $31.31 June 6, 2022 6,000 Acquired
Jan. 16, 2012 NTGR Restricted Stock Units Common Stock (750) 750 Disposed
Jan. 11, 2012 NTGR Restricted Stock Units Common Stock (750) 750 Disposed
Feb. 3, 2011 NTGR Employee Stock Option (Right to Buy) Common Stock (6,000) $35.32 Feb. 3, 2021 6,000 Acquired
Jan. 16, 2011 NTGR Restricted Stock Units Common Stock (750) 750 Disposed
Jan. 12, 2011 NTGR Restricted Stock Units Common Stock (0) 1,750 Disposed
Jan. 11, 2011 NTGR Restricted Stock Units Common Stock (750) 750 Disposed
May 23, 2010 NTGR Restricted Stock Units Common Stock (2,000) 2,000 Disposed
Feb. 18, 2010 NTGR Employee Stock Option (Right to Buy) Common Stock (58,567) $4.51 April 5, 2010 58,567 Disposed
Feb. 16, 2010 NTGR Employee Stock Option (Right to Buy) Common Stock (666) $4.51 April 5, 2010 666 Disposed
Feb. 2, 2010 NTGR Employee Stock Option (Right to Buy) Common Stock (6,000) $21.10 Feb. 2, 2020 6,000 Acquired
Jan. 16, 2010 NTGR Restricted Stock Units Common Stock (750) 750 Disposed
Jan. 12, 2010 NTGR Restricted Stock Units Common Stock (1,750) 1,750 Disposed
Jan. 11, 2010 NTGR Restricted Stock Units Common Stock (750) 750 Disposed
Nov. 25, 2009 NTGR Employee Stock Option (Right to Buy) Common Stock (6,473) $4.51 April 5, 2010 6,473 Disposed
July 30, 2009 NTGR Employee Stock Option (Right to Buy) Common Stock (35,000) $4.51 April 5, 2010 35,000 Disposed
May 23, 2009 NTGR Restricted Stock Units Common Stock (2,000) 2,000 Disposed
Jan. 16, 2009 NTGR Restricted Stock Units Common Stock (3,000) 3,000 Acquired
Jan. 12, 2009 NTGR Restricted Stock Units Common Stock (1,750) 1,750 Disposed
Jan. 11, 2009 NTGR Restricted Stock Units Common Stock (750) 750 Disposed
May 23, 2008 NTGR Restricted Stock Unit Common Stock (2,000) 2,000 Disposed
Jan. 12, 2008 NTGR Restricted Stock Unit Common Stock (1,750) 1,750 Disposed
Jan. 11, 2008 NTGR Restricted Stock Unit Common Stock (3,000) 3,000 Acquired
May 23, 2007 NTGR Restricted Stock Unit Common Stock (2,000) 2,000 Disposed
May 15, 2007 NTGR Employee Stock Option (right to buy) [F7] Common Stock (5,000) $4.51 April 5, 2010 5,000 Disposed
April 16, 2007 NTGR Employee Stock Option (right to buy) [F7] Common Stock (5,000) $4.51 April 5, 2010 5,000 Disposed
March 15, 2007 NTGR Employee Stock Option (right to buy) [F7] Common Stock (5,000) $4.51 April 5, 2010 5,000 Disposed
Feb. 15, 2007 NTGR Employee Stock Option (right to buy) [F7] Common Stock (5,000) $4.51 April 5, 2010 5,000 Disposed
Jan. 16, 2007 NTGR Employee Stock Option (right to buy) [F7] Common Stock (45,000) $4.51 April 5, 2010 45,000 Disposed
Jan. 12, 2007 NTGR Restricted Stock Unit Common Stock (7,000) 7,000 Acquired
Dec. 1, 2006 NTGR Employee Stock Option (right to buy) [F6] Common Stock (10,000) $4.51 April 5, 2010 10,000 Disposed
Nov. 15, 2006 NTGR Employee Stock Option (right to buy) Common Stock (5,000) $4.51 April 5, 2010 5,000 Disposed
Nov. 13, 2006 NTGR Employee Stock Option (right to buy) Common Stock (4,100) $4.51 April 5, 2010 4,100 Disposed
Nov. 9, 2006 NTGR Employee Stock Option (right to buy) Common Stock (3,474) $4.51 April 5, 2010 3,474 Disposed
Nov. 8, 2006 NTGR Employee Stock Option (right to buy) Common Stock (2,426) $4.51 April 5, 2010 2,426 Disposed
Nov. 1, 2006 NTGR Employee Stock Option (right to buy) [F6] Common Stock (10,000) $4.51 April 5, 2010 10,000 Disposed
Oct. 2, 2006 NTGR Employee Stock Option (right to buy) Common Stock (5,000) $4.51 April 5, 2010 5,000 Disposed
Oct. 2, 2006 NTGR Employee Stock Option (right to buy) [F6] Common Stock (10,000) $4.51 April 5, 2010 10,000 Disposed
Sept. 1, 2006 NTGR Employee Stock Option (right to buy) [F6] Common Stock (10,000) $4.51 April 5, 2010 10,000 Disposed
Aug. 1, 2006 NTGR Employee Stock Option (right to buy) [F6] Common Stock (10,000) $4.51 April 5, 2010 10,000 Disposed
July 3, 2006 NTGR Employee Stock Option (right to buy) [F6] Common Stock (10,000) $4.51 April 5, 2010 10,000 Disposed
June 1, 2006 NTGR Employee Stock Option (right to buy) [F6] Common Stock (10,000) $4.51 April 5, 2010 10,000 Disposed
May 23, 2006 NTGR Restricted Stock Units Common Stock (8,000) 8,000 Acquired
May 1, 2006 NTGR Employee Stock Option (right to buy) [F3] Common Stock (10,000) $4.51 April 5, 2010 10,000 Disposed
April 3, 2006 NTGR Employee Stock Option (right to buy) [F3] Common Stock (10,000) $4.51 April 5, 2010 10,000 Disposed
March 2, 2006 NTGR Employee Stock Option (right to buy) [F3] Common Stock (10,000) $4.51 April 5, 2010 10,000 Disposed
Feb. 1, 2006 NTGR Employee Stock Option (right to buy) [F3] Common Stock (10,000) $4.51 April 5, 2010 10,000 Disposed
Jan. 3, 2006 NTGR Employee Stock Option (right to buy) [F3] Common Stock (10,000) $4.51 April 5, 2010 10,000 Disposed
Aug. 10, 2005 NTGR Employee Stock Option (right to buy) Common Stock (10,000) $4.51 April 5, 2010 10,000 Disposed
May 31, 2005 NTGR Employee Stock Option (right to buy) Common Stock (20,000) $6.00 Oct. 30, 2012 20,000 Disposed
May 10, 2005 NTGR Employee Stock Option (right to buy) Common Stock (30,000) $4.51 April 5, 2010 30,000 Disposed
Nov. 16, 2004 NTGR Employee Stock Option (right to buy) Common Stock (40,000) $4.51 April 5, 2010 40,000 Disposed
July 2, 2004 NTGR Employee Stock Option (Right to buy) Common Stock (5,900) $4.51 April 5, 2010 5,900 Disposed
July 1, 2004 NTGR Employee Stock Option (right to buy) Common Stock (18,000) $4.51 April 5, 2010 18,000 Disposed
June 30, 2004 NTGR Employee Stock Option (right to buy) Common Stock (22,500) $4.51 April 5, 2010 22,500 Disposed
June 28, 2004 NTGR Employee Stock Option (right to buy) Common Stock (2,000) $4.51 April 5, 2010 2,000 Disposed
March 2, 2004 NTGR Employee Stock Option (right to buy) Common Stock (15,000) $4.51 April 5, 2010 15,000 Disposed
Feb. 27, 2004 NTGR Employee Stock Option (right to buy) Common Stock (15,000) $4.51 April 5, 2010 15,000 Disposed
Feb. 26, 2004 NTGR Employee Stock Option (right to buy) Common Stock (2,500) $4.51 April 5, 2010 2,500 Disposed
Feb. 20, 2004 NTGR Employee Stock Option (right to buy) Common Stock (13,800) $4.51 April 5, 2010 13,800 Disposed

Showing latest 100 of 108 transactions

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

Initial ownership (Form 3) 2 holdings

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

Date Ticker Security Shares Ownership
July 30, 2003 NTGR Employee Stock Option (right to buy)→ Common Stock (531,606) 531,606 Direct
July 30, 2003 NTGR Employee Stock Option (right to buy)→ Common Sto ck (39,501) 39,501 Direct