Timothy A Partridge

CIK 1315520 · View on SEC EDGAR ↗

Insider

First SEC filing: March 8, 2005 · Latest: March 8, 2005

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 28 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

28 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Sept. 15, 2008 DLB S 500 $41.01 $20,505 6,000 Direct -7.69% Disposed 54.1% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 100 $40.96 $4,096 6,500 Direct -1.52% Disposed 54.3% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 300 $40.95 $12,285 6,600 Direct -4.35% Disposed 54.4% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 200 $40.91 $8,182 6,900 Direct -2.82% Disposed 54.5% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 400 $40.90 $16,360 7,100 Direct -5.33% Disposed 54.6% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 200 $40.83 $8,166 7,500 Direct -2.60% Disposed 54.8% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 600 $40.81 $24,486 7,700 Direct -7.23% Disposed 54.9% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 200 $40.81 $8,162 8,300 Direct -2.35% Disposed 54.9% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 400 $40.78 $16,312 8,500 Direct -4.49% Disposed 55.0% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 100 $40.77 $4,077 8,900 Direct -1.11% Disposed 55.1% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 5,500 $40.00 $220,000 9,000 Direct -37.93% Disposed 58.0% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 100 $40.81 $4,081 14,500 Direct -0.68% Disposed 54.9% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 100 $40.80 $4,080 14,600 Direct -0.68% Disposed 54.9% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 300 $40.77 $12,231 14,700 Direct -2.00% Disposed 55.1% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 400 $40.74 $16,296 15,000 Direct -2.60% Disposed 55.2% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 100 $40.72 $4,072 15,400 Direct -0.65% Disposed 55.2% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 300 $40.72 $12,216 15,500 Direct -1.90% Disposed 55.2% (price as of 2026-08-20)
Sept. 15, 2008 DLB S 200 $40.71 $8,142 15,800 Direct -1.25% Disposed 55.3% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 1,000 $41.83 $41,830 6,000 Direct -14.29% Disposed 51.1% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 1,000 $42.40 $42,400 7,000 Direct -12.50% Disposed 49.1% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 100 $42.39 $4,239 8,000 Direct -1.23% Disposed 49.1% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 900 $42.39 $38,151 8,100 Direct -10.00% Disposed 49.1% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 300 $42.35 $12,705 9,000 Direct -3.23% Disposed 49.3% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 700 $42.35 $29,645 9,300 Direct -7.00% Disposed 49.3% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 1,000 $42.25 $42,250 10,000 Direct -9.09% Disposed 49.6% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 1,000 $42.20 $42,200 11,000 Direct -8.33% Disposed 49.8% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 500 $42.15 $21,075 12,000 Direct -4.00% Disposed 50.0% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 500 $42.15 $21,075 12,500 Direct -3.85% Disposed 50.0% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 1,000 $42.13 $42,130 13,000 Direct -7.14% Disposed 50.0% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 100 $42.03 $4,203 14,000 Direct -0.71% Disposed 50.4% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 400 $42.03 $16,812 14,100 Direct -2.76% Disposed 50.4% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 200 $42.02 $8,404 14,500 Direct -1.36% Disposed 50.4% (price as of 2026-08-20)
Aug. 15, 2008 DLB S 1,300 $42.00 $54,600 14,700 Direct -8.12% Disposed 50.5% (price as of 2026-08-20)
July 18, 2008 DLB S 10,000 $40.00 $400,000 6,000 Direct -62.50% Disposed 58.0% (price as of 2026-08-20)
June 16, 2008 DLB S 100 $45.21 $4,521 13,400 Direct -0.74% Disposed 39.8% (price as of 2026-08-20)
June 16, 2008 DLB S 120 $45.11 $5,413 13,500 Direct -0.88% Disposed 40.1% (price as of 2026-08-20)
June 16, 2008 DLB S 200 $45.09 $9,018 13,620 Direct -1.45% Disposed 40.2% (price as of 2026-08-20)
June 16, 2008 DLB S 200 $45.08 $9,016 13,820 Direct -1.43% Disposed 40.2% (price as of 2026-08-20)
June 16, 2008 DLB S 280 $45.07 $12,620 14,020 Direct -1.96% Disposed 40.3% (price as of 2026-08-20)
June 16, 2008 DLB S 100 $45.05 $4,505 14,300 Direct -0.69% Disposed 40.3% (price as of 2026-08-20)
June 16, 2008 DLB S 200 $45.04 $9,008 14,400 Direct -1.37% Disposed 40.4% (price as of 2026-08-20)
June 16, 2008 DLB S 100 $45.03 $4,503 14,600 Direct -0.68% Disposed 40.4% (price as of 2026-08-20)
June 16, 2008 DLB S 200 $45.01 $9,002 14,700 Direct -1.34% Disposed 40.4% (price as of 2026-08-20)
June 16, 2008 DLB S 100 $45.01 $4,501 14,900 Direct -0.67% Disposed 40.4% (price as of 2026-08-20)
June 16, 2008 DLB S 695 $44.76 $31,108 15,000 Direct -4.43% Disposed 41.2% (price as of 2026-08-20)
June 16, 2008 DLB S 300 $44.74 $13,422 15,695 Direct -1.88% Disposed 41.3% (price as of 2026-08-20)
June 16, 2008 DLB S 100 $44.72 $4,472 15,995 Direct -0.62% Disposed 41.4% (price as of 2026-08-20)
June 16, 2008 DLB S 100 $44.70 $4,470 16,095 Direct -0.62% Disposed 41.4% (price as of 2026-08-20)
June 16, 2008 DLB S 200 $44.66 $8,932 16,195 Direct -1.22% Disposed 41.5% (price as of 2026-08-20)
June 16, 2008 DLB S 499 $44.62 $22,265 16,395 Direct -2.95% Disposed 41.7% (price as of 2026-08-20)
June 16, 2008 DLB S 106 $44.60 $4,728 16,894 Direct -0.62% Disposed 41.7% (price as of 2026-08-20)
June 16, 2008 DLB S 500 $46.49 $23,245 17,000 Direct -2.86% Disposed 36.0% (price as of 2026-08-20)
June 16, 2008 DLB S 300 $46.42 $13,926 17,500 Direct -1.69% Disposed 36.2% (price as of 2026-08-20)
June 16, 2008 DLB S 100 $46.40 $4,640 17,800 Direct -0.56% Disposed 36.2% (price as of 2026-08-20)
June 16, 2008 DLB S 100 $46.40 $4,640 17,900 Direct -0.56% Disposed 36.2% (price as of 2026-08-20)
June 16, 2008 DLB S 100 $46.29 $4,629 18,000 Direct -0.55% Disposed 36.6% (price as of 2026-08-20)
June 16, 2008 DLB S 400 $46.28 $18,512 18,100 Direct -2.16% Disposed 36.6% (price as of 2026-08-20)
June 16, 2008 DLB S 700 $46.26 $32,382 18,500 Direct -3.65% Disposed 36.7% (price as of 2026-08-20)
June 16, 2008 DLB S 1,800 $46.25 $83,250 19,200 Direct -8.57% Disposed 36.7% (price as of 2026-08-20)
June 16, 2008 DLB S 300 $46.24 $13,872 21,000 Direct -1.41% Disposed 36.7% (price as of 2026-08-20)
June 16, 2008 DLB S 700 $46.24 $32,368 21,300 Direct -3.18% Disposed 36.7% (price as of 2026-08-20)
June 16, 2008 DLB S 2,000 $45.93 $91,860 22,000 Direct -8.33% Disposed 37.6% (price as of 2026-08-20)
June 16, 2008 DLB S 2,000 $45.92 $91,840 24,000 Direct -7.69% Disposed 37.7% (price as of 2026-08-20)
June 16, 2008 DLB S 2,000 $44.53 $89,060 6,000 Direct -25.00% Disposed 42.0% (price as of 2026-08-20)
June 16, 2008 DLB S 1,000 $46.01 $46,010 8,000 Direct -11.11% Disposed 37.4% (price as of 2026-08-20)
June 16, 2008 DLB S 1,000 $46.00 $46,000 9,000 Direct -10.00% Disposed 37.4% (price as of 2026-08-20)
June 16, 2008 DLB S 500 $45.67 $22,835 10,000 Direct -4.76% Disposed 38.4% (price as of 2026-08-20)
June 16, 2008 DLB S 900 $45.65 $41,085 10,500 Direct -7.89% Disposed 38.5% (price as of 2026-08-20)
June 16, 2008 DLB S 600 $45.65 $27,390 11,400 Direct -5.00% Disposed 38.5% (price as of 2026-08-20)
June 16, 2008 DLB S 100 $45.23 $4,523 12,000 Direct -0.83% Disposed 39.8% (price as of 2026-08-20)
June 16, 2008 DLB S 500 $45.22 $22,610 12,100 Direct -3.97% Disposed 39.8% (price as of 2026-08-20)
June 16, 2008 DLB S 800 $45.21 $36,168 12,600 Direct -5.97% Disposed 39.8% (price as of 2026-08-20)

Showing latest 100 of 564 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
March 3, 2009 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
March 3, 2009 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
March 3, 2009 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 21, 2014 10,000 Disposed
Sept. 15, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
Sept. 15, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
Sept. 15, 2008 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 21, 2014 10,000 Disposed
Aug. 15, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
Aug. 15, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
Aug. 15, 2008 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 21, 2014 10,000 Disposed
July 18, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
July 18, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
July 18, 2008 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 21, 2014 10,000 Disposed
June 16, 2008 DLB Class B Common Stock Class A Common Stock (20,000) 20,000 Disposed
June 16, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
June 16, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
June 16, 2008 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $1.26 Nov. 19, 2012 10,000 Disposed
June 16, 2008 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 21, 2014 10,000 Disposed
May 15, 2008 DLB Class B Common Stock Class A Common Stock (20,000) 20,000 Disposed
May 15, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
May 15, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
May 15, 2008 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $1.26 Nov. 19, 2012 10,000 Disposed
May 15, 2008 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 21, 2014 10,000 Disposed
April 25, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
April 25, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
April 25, 2008 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 21, 2014 10,000 Disposed
April 16, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
April 16, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
April 16, 2008 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $1.26 Nov. 19, 2012 10,000 Disposed
March 17, 2008 DLB Class B Common Stock Class A Common Stock (20,000) 20,000 Disposed
March 17, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
March 17, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
March 17, 2008 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $1.26 Nov. 19, 2012 10,000 Disposed
March 17, 2008 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 21, 2014 10,000 Disposed
Feb. 15, 2008 DLB Class B Common Stock Class A Common Stock (20,000) 20,000 Disposed
Feb. 15, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
Feb. 15, 2008 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
Feb. 15, 2008 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $1.26 Nov. 19, 2012 10,000 Disposed
Feb. 15, 2008 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 21, 2014 10,000 Disposed
Feb. 5, 2008 DLB Employee Stock Option (Right to Buy) Class A Common Stock (27,000) $48.15 Feb. 5, 2018 27,000 Acquired
July 2, 2007 DLB Class B Common Stock Class A Common Stock (1,008) 1,008 Disposed
July 2, 2007 DLB Class B Common Stock Class A Common Stock (1,008) 1,008 Acquired
July 2, 2007 DLB Employee Stock Option (Right to Buy) Class B Common Stock (1,008) $2.08 April 21, 2014 1,008 Disposed
June 1, 2007 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
June 1, 2007 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
June 1, 2007 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 20, 2014 10,000 Disposed
May 1, 2007 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
May 1, 2007 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
May 1, 2007 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 20, 2014 10,000 Disposed
April 2, 2007 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
April 2, 2007 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
April 2, 2007 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 20, 2014 10,000 Disposed
March 1, 2007 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
March 1, 2007 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
March 1, 2007 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 20, 2014 10,000 Disposed
Feb. 15, 2007 DLB Class B Common Stock Class A Common Stock (6,740) 6,740 Disposed
Feb. 15, 2007 DLB Class B Common Stock Class A Common Stock (6,740) 6,740 Acquired
Feb. 15, 2007 DLB Employee Stock Option (Right to Buy) Class B Common Stock (6,740) $1.26 Sept. 30, 2010 6,740 Disposed
Feb. 2, 2007 DLB Class B Common Stock Class A Common Stock (5,000) 5,000 Disposed
Feb. 2, 2007 DLB Class B Common Stock Class A Common Stock (5,000) 5,000 Acquired
Feb. 2, 2007 DLB Employee Stock Option (Right to Buy) Class B Common Stock (5,000) $2.08 April 20, 2014 5,000 Disposed
Feb. 1, 2007 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
Feb. 1, 2007 DLB Class B Common Stock Class A Common Stock (5,000) 5,000 Acquired
Feb. 1, 2007 DLB Class B Common Stock Class A Common Stock (5,000) 5,000 Acquired
Feb. 1, 2007 DLB Employee Stock Option (Right to Buy) Class B Common Stock (5,000) $2.08 April 20, 2014 5,000 Disposed
Feb. 1, 2007 DLB Employee Stock Option (Right to Buy) Class B Common Stock (5,000) $1.26 Sept. 30, 2010 5,000 Disposed
Jan. 16, 2007 DLB Class B Common Stock Class A Common Stock (5,000) 5,000 Disposed
Jan. 16, 2007 DLB Class B Common Stock Class A Common Stock (5,000) 5,000 Acquired
Jan. 16, 2007 DLB Employee Stock Option (Right to Buy) Class B Common Stock (5,000) $1.26 Sept. 30, 2010 5,000 Disposed
Jan. 4, 2007 DLB Class B Common Stock Class A Common Stock (5,000) 5,000 Disposed
Jan. 4, 2007 DLB Class B Common Stock Class A Common Stock (5,000) 5,000 Acquired
Jan. 4, 2007 DLB Employee Stock Option (Right to Buy) Class B Common Stock (5,000) $2.08 April 20, 2014 5,000 Disposed
Jan. 3, 2007 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
Jan. 3, 2007 DLB Class B Common Stock Class A Common Stock (5,000) 5,000 Acquired
Jan. 3, 2007 DLB Class B Common Stock Class A Common Stock (5,000) 5,000 Acquired
Jan. 3, 2007 DLB Employee Stock Option (Right to Buy) Class B Common Stock (5,000) $1.26 Sept. 30, 2010 5,000 Disposed
Jan. 3, 2007 DLB Employee Stock Option (Right to Buy) Class B Common Stock (5,000) $2.08 April 20, 2014 5,000 Disposed
Dec. 4, 2006 DLB Class B Common Stock Class A Common Stock (8,992) 8,992 Disposed
Dec. 4, 2006 DLB Class B Common Stock Class A Common Stock (8,992) 8,992 Acquired
Dec. 4, 2006 DLB Employee Stock Option (Right to Buy) Class B Common Stock (8,992) $2.08 April 20, 2014 8,992 Disposed
Dec. 1, 2006 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
Dec. 1, 2006 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
Dec. 1, 2006 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 20, 2014 10,000 Disposed
Nov. 30, 2006 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
Nov. 30, 2006 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Acquired
Nov. 30, 2006 DLB Employee Stock Option (Right to Buy) Class B Common Stock (10,000) $2.08 April 20, 2014 10,000 Disposed
Nov. 14, 2006 DLB Employee Stock Option (Right to Buy) Class A Common Stock (55,000) $28.13 Nov. 14, 2016 55,000 Acquired
May 30, 2006 DLB Class B Common Stock Class A Common Stock (5,000) 5,000 Disposed
May 26, 2006 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
May 25, 2006 DLB Class B Common Stock Class A Common Stock (10,000) 10,000 Disposed
April 28, 2006 DLB Class B Common Stock Class A Common Stock (8,000) 8,000 Disposed
March 7, 2006 DLB Class B Common Stock Class A Common Stock (6,000) 6,000 Disposed
Feb. 1, 2006 DLB Class B Common Stock Class A Common Stock (5,000) 5,000 Disposed
Jan. 27, 2006 DLB Class B Common Stock Class A Common Stock (3,000) 3,000 Disposed
Dec. 8, 2005 DLB Class B Common Stock Class A Common Stock (2,000) 2,000 Disposed
Dec. 6, 2005 DLB Class B Common Stock Class A Common Stock (1,000) 1,000 Disposed
June 16, 2005 DLB Employee Stock Option (Right to Buy) Class A Common Stock (55,000) $19.20 June 15, 2015 55,000 Acquired

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

Initial ownership (Form 3) 8 holdings

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

Date Ticker Security Shares Ownership
March 8, 2005 DLB Employee Stock Option (right to buy)→ Class B Common Stock [F5] (21,740) 21,740 Direct
March 8, 2005 DLB Employee Stock Option (right to buy)→ Class B Common Stock [F5] (50,000) 50,000 Direct
March 8, 2005 DLB Employee Stock Option (right to buy)→ Class B Common Stock [F5] (180,000) 180,000 Direct
March 8, 2005 DLB Class B Common Stock→ Class A Common Stock (50,000) 50,000 Direct
Feb. 15, 2005 DLB Employee Stock Option (right to buy)→ Class B Common Stock [F4] (21,740) 21,740 Direct
Feb. 15, 2005 DLB Employee Stock Option (right to buy)→ Class B Common Stock [F4] (50,000) 50,000 Direct
Feb. 15, 2005 DLB Employee Stock Option (right to buy)→ Class B Common Stock [F4] (180,000) 180,000 Direct
Feb. 15, 2005 DLB Class B Common Stock→ Class A Common Stock (50,000) 50,000 Direct