DIKER MANAGEMENT LLC

CIK 1276525 · View on SEC EDGAR ↗

Insider

First SEC filing: July 15, 2010 · Latest: July 15, 2010

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Institution

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Insider transactions

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

Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Oct. 27, 2010 TCX S 2,500,000 $0.70 $1,750,000 6,724,135 Indirect -27.10% Disposed 262.5% (price as of 2026-08-20)
July 14, 2010 1276525 S 51,650 $4.89 $252,568 2,759,728 Indirect -1.84% Disposed
July 13, 2010 1276525 S 42,304 $4.88 $206,444 2,811,378 Indirect -1.48% Disposed
July 13, 2010 1276525 S 8,292 $4.89 $40,548 2,853,682 Indirect -0.29% Disposed
July 12, 2010 1276525 S 27,900 $4.85 $135,315 2,861,974 Indirect -0.97% Disposed
July 9, 2010 1276525 S 20,120 $4.89 $98,387 2,889,874 Indirect -0.69% Disposed
July 9, 2010 1276525 S 45,425 $4.92 $223,491 2,909,994 Indirect -1.54% Disposed
July 8, 2010 1276525 S 5,459 $4.89 $26,695 2,955,419 Indirect -0.18% Disposed
July 7, 2010 1276525 S 9,641 $4.83 $46,566 2,960,878 Indirect -0.32% Disposed
July 6, 2010 1276525 S 4,000 $5.04 $20,160 2,970,519 Indirect -0.13% Disposed
July 2, 2010 1276525 S 3,510 $5.01 $17,585 2,974,519 Indirect -0.12% Disposed
July 1, 2010 1276525 S 10,201 $5.09 $51,923 2,978,029 Indirect -0.34% Disposed
June 30, 2010 1276525 S 44,400 $5.11 $226,884 2,988,230 Indirect -1.46% Disposed
June 29, 2010 1276525 S 7,351 $5.03 $36,976 3,032,630 Indirect -0.24% Disposed
June 28, 2010 1276525 S 13,020 $5.22 $67,964 3,039,981 Indirect -0.43% Disposed
March 23, 2010 TCX S 8,600 $0.84 $7,224 9,224,135 Indirect -0.09% Disposed 202.1% (price as of 2026-08-20)
March 22, 2010 TCX S 4,200 $0.84 $3,528 9,232,735 Indirect -0.05% Disposed 202.1% (price as of 2026-08-20)
March 19, 2010 TCX S 3,700 $0.84 $3,108 9,236,935 Indirect -0.04% Disposed 202.1% (price as of 2026-08-20)
March 18, 2010 TCX S 9,000 $0.84 $7,560 9,240,635 Indirect -0.10% Disposed 202.1% (price as of 2026-08-20)
March 17, 2010 TCX S 103,400 $0.86 $88,924 9,249,635 Indirect -1.11% Disposed 195.1% (price as of 2026-08-20)
March 16, 2010 TCX S 54,000 $0.87 $46,980 9,353,035 Indirect -0.57% Disposed 191.7% (price as of 2026-08-20)
Feb. 22, 2010 EFOI S 625,000 $0.95 $593,750 1,907,108 Indirect -24.68% Disposed -99.2% (price as of 2026-08-20)
Dec. 31, 2009 EFOI S 375,000 $0.80 $300,000 2,532,108 Indirect -12.90% Disposed -99.0% (price as of 2026-08-20)
Nov. 2, 2009 1276525 S 25,000 $4.22 $105,500 3,053,001 Indirect -0.81% Disposed
Oct. 29, 2009 1276525 S 25,000 $4.22 $105,500 3,078,001 Indirect -0.81% Disposed
Oct. 28, 2009 1276525 S 75,000 $4.22 $316,500 3,103,001 Indirect -2.36% Disposed
Oct. 22, 2009 1276525 S 25,000 $4.17 $104,250 3,178,001 Indirect -0.78% Disposed
Oct. 21, 2009 1276525 S 30,000 $4.20 $126,000 3,203,001 Indirect -0.93% Disposed
Oct. 8, 2009 1276525 S 25,700 $4.19 $107,683 3,233,001 Indirect -0.79% Disposed
Oct. 7, 2009 1276525 S 5,500 $4.23 $23,265 3,258,701 Indirect -0.17% Disposed
Oct. 6, 2009 1276525 S 10,500 $4.20 $44,100 3,264,201 Indirect -0.32% Disposed
Oct. 5, 2009 1276525 S 14,720 $4.14 $60,941 3,274,701 Indirect -0.45% Disposed
Oct. 2, 2009 1276525 S 6,576 $4.15 $27,290 3,289,421 Indirect -0.20% Disposed
Oct. 1, 2009 1276525 S 9,355 $4.15 $38,823 3,295,997 Indirect -0.28% Disposed
Aug. 27, 2009 1276525 P 9,000 $2.45 $22,050 2,143,285 Indirect +0.42% Acquired
Aug. 26, 2009 1276525 P 16,800 $2.36 $39,648 2,134,285 Indirect +0.79% Acquired
Aug. 13, 2009 1276525 P 3,010 $1.98 $5,960 2,117,485 Indirect +0.14% Acquired
Aug. 12, 2009 1276525 S 5,000 $3.80 $19,000 3,305,352 Indirect -0.15% Disposed
Aug. 12, 2009 1276525 P 21,270 $1.96 $41,689 2,114,475 Indirect +1.02% Acquired
Aug. 10, 2009 1276525 S 1,166 $3.85 $4,489 3,310,352 Indirect -0.04% Disposed
Aug. 7, 2009 1276525 P 22,500 $1.84 $41,400 2,093,205 Indirect +1.09% Acquired
Aug. 7, 2009 1276525 S 25,834 $3.77 $97,394 3,311,518 Indirect -0.77% Disposed
Aug. 6, 2009 1276525 S 4,600 $3.79 $17,434 3,337,352 Indirect -0.14% Disposed
Aug. 5, 2009 1276525 S 5,000 $3.82 $19,100 3,341,952 Indirect -0.15% Disposed
Aug. 4, 2009 1276525 S 15,000 $3.84 $57,600 3,346,952 Indirect -0.45% Disposed
Aug. 3, 2009 1276525 S 8,182 $3.82 $31,255 3,361,952 Indirect -0.24% Disposed
July 31, 2009 1276525 S 5,000 $3.92 $19,600 3,370,134 Indirect -0.15% Disposed
July 30, 2009 1276525 S 853 $4.05 $3,455 3,375,134 Indirect -0.03% Disposed
July 29, 2009 1276525 P 5,400 $1.62 $8,748 2,070,705 Indirect +0.26% Acquired
July 28, 2009 1276525 P 11,700 $1.61 $18,837 2,065,305 Indirect +0.57% Acquired
July 28, 2009 1276525 S 6,719 $4.12 $27,682 3,375,987 Indirect -0.20% Disposed
July 27, 2009 1276525 S 46,405 $4.09 $189,796 3,382,706 Indirect -1.35% Disposed
July 24, 2009 1276525 S 20,000 $3.97 $79,400 3,429,111 Indirect -0.58% Disposed
July 23, 2009 1276525 S 29,200 $3.94 $115,048 3,449,111 Indirect -0.84% Disposed
July 22, 2009 1276525 S 30,897 $3.73 $115,246 3,478,311 Indirect -0.88% Disposed
July 21, 2009 1276525 S 14,381 $4.02 $57,812 3,509,208 Indirect -0.41% Disposed
June 24, 2009 1276525 P 11,400 $1.74 $19,836 2,053,605 Indirect +0.56% Acquired
June 22, 2009 1276525 P 22,500 $1.65 $37,125 2,042,205 Indirect +1.11% Acquired
June 19, 2009 1276525 P 23,000 $1.64 $37,720 2,019,705 Indirect +1.15% Acquired
June 11, 2009 1276525 P 21,600 $1.74 $37,584 1,996,705 Indirect +1.09% Acquired
June 10, 2009 1276525 P 29,000 $1.52 $44,080 1,975,105 Indirect +1.49% Acquired
June 8, 2009 1276525 S 1,000 $1.36 $1,360 1,946,105 Indirect -0.05% Disposed
June 8, 2009 1276525 P 29,800 $1.41 $42,018 1,947,105 Indirect +1.55% Acquired
June 5, 2009 1276525 P 67,896 $1.31 $88,944 1,917,305 Indirect +3.67% Acquired
April 30, 2009 1276525 P 15,885 $2.37 $37,647 1,849,409 Indirect +0.87% Acquired
March 5, 2009 1276525 P 11,385 $0.58 $6,603 2,920,731 Indirect +0.39% Acquired
March 4, 2009 1276525 P 9,622 $0.52 $5,003 2,909,346 Indirect +0.33% Acquired
Dec. 26, 2008 1276525 S 1,500,000 $0.09 $135,000 1,620,153 Indirect -48.07% Disposed
Dec. 11, 2008 1276525 P 201,400 $0.75 $151,050 2,899,724 Indirect +7.46% Acquired
Dec. 10, 2008 1276525 P 139,700 $0.76 $106,172 2,676,955 Indirect +5.51% Acquired
Dec. 10, 2008 1276525 P 385 $0.62 $239 2,698,324 Indirect +0.01% Acquired
Dec. 9, 2008 1276525 P 8,597 $0.73 $6,276 2,697,939 Indirect +0.32% Acquired
Dec. 8, 2008 1276525 P 31,532 $0.66 $20,811 2,689,342 Indirect +1.19% Acquired
Nov. 4, 2008 1276525 P 992,000 $0.17 $168,640 7,120,199 Indirect +16.19% Acquired
Oct. 14, 2008 1276525 P 163,006 $1.83 $298,301 1,338,813 Indirect -10.85% Disposed
Oct. 13, 2008 1276525 P 166,100 $1.83 $303,963 1,501,819 Indirect -9.96% Disposed
July 14, 2008 1276525 P 14,700 $1.44 $21,168 2,657,810 Indirect +0.56% Acquired
July 11, 2008 1276525 P 4,950 $1.30 $6,435 2,643,110 Indirect +0.19% Acquired
July 10, 2008 1276525 P 17,641 $1.37 $24,168 2,638,160 Indirect +0.67% Acquired
July 9, 2008 1276525 P 72,900 $1.42 $103,518 2,620,519 Indirect +2.86% Acquired
April 4, 2008 1276525 P 17,000 $9.33 $158,610 1,833,524 Indirect +0.94% Acquired
March 26, 2008 1276525 P 8,000 $2.54 $20,320 2,547,619 Indirect +0.32% Acquired
March 25, 2008 1276525 P 12,724 $2.49 $31,683 2,539,619 Indirect +0.50% Acquired
March 24, 2008 1276525 P 15,601 $2.42 $37,754 2,526,895 Indirect +0.62% Acquired
Feb. 29, 2008 1276525 P 5,000 $7.94 $39,700 1,816,524 Indirect +0.28% Acquired
Feb. 28, 2008 1276525 P 14,100 $8.06 $113,646 1,811,524 Indirect +0.78% Acquired
Feb. 25, 2008 1276525 P 16,000 $8.21 $131,360 1,797,424 Indirect +0.90% Acquired
Feb. 22, 2008 1276525 P 10,200 $8.42 $85,884 1,781,424 Indirect +0.58% Acquired
Feb. 21, 2008 1276525 P 30,000 $8.47 $254,100 1,771,224 Indirect +1.72% Acquired
Jan. 17, 2008 1276525 P 8,700 $8.60 $74,820 1,741,224 Indirect +0.50% Acquired
Jan. 16, 2008 1276525 P 50,000 $8.82 $441,000 1,732,524 Indirect +2.97% Acquired
Jan. 10, 2008 1276525 P 137,000 $4.62 $632,940 3,523,589 Indirect +4.05% Acquired
Jan. 9, 2008 1276525 P 80,700 $4.43 $357,501 3,386,589 Indirect +2.44% Acquired
Dec. 21, 2007 1276525 P 97,600 $5.09 $496,784 3,305,889 Indirect +3.04% Acquired
Dec. 14, 2007 1276525 P 35,000 $6.19 $216,650 2,537,255 Indirect +1.40% Acquired
Dec. 14, 2007 1276525 P 135,000 $6.13 $827,550 2,537,255 Indirect +5.62% Acquired
Dec. 11, 2007 1276525 P 37,000 $4.76 $176,120 3,760,600 Indirect +0.99% Acquired
Dec. 10, 2007 1276525 P 29,100 $4.64 $135,024 3,723,600 Indirect +0.79% Acquired
Dec. 7, 2007 1276525 P 87,300 $4.42 $385,866 3,694,500 Indirect +2.42% Acquired
Nov. 28, 2007 1276525 P 7,600 $3.72 $28,272 1,667,919 Indirect +0.46% Acquired

Showing latest 100 of 240 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
June 29, 2006 1276525 Warrants Common stock (37,500) $4.28 June 15, 2010 37,500 Disposed

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
Nov. 12, 2009 EFOI Common Stock, $0.0001 par value (the "Common Stock") 2,907,108 Indirect
June 29, 2006 TCX Common Stock, no par value ("Common Stock") 9,407,035 Indirect