Sharng Chris Tahjiun

CIK 1299658 · View on SEC EDGAR ↗

Activist

First SEC filing: Feb. 18, 2026 · Latest: Feb. 18, 2026

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 17 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

17 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 19, 2009 NHTC P 500 $0.45 $225 288,311 Direct +0.17% Acquired 288.9% (price as of 2026-08-21)
May 19, 2009 NHTC P 500 $0.48 $240 287,811 Direct +0.17% Acquired 264.6% (price as of 2026-08-21)
May 19, 2009 NHTC P 500 $0.49 $245 287,311 Direct +0.17% Acquired 257.1% (price as of 2026-08-21)
April 14, 2009 NHTC P 2,300 $0.40 $920 286,811 Direct +0.81% Acquired 337.5% (price as of 2026-08-21)
April 14, 2009 NHTC P 200 $0.39 $78 284,511 Direct +0.07% Acquired 348.7% (price as of 2026-08-21)
Sept. 17, 2008 NHTC S 10b5-1 4,460 $0.58 $2,587 184,498 Direct -2.36% Disposed 201.7% (price as of 2026-08-21)
June 17, 2008 NHTC S 10b5-1 5,631 $1.06 $5,969 188,958 Direct -2.89% Disposed 65.1% (price as of 2026-08-21)
March 18, 2008 NHTC S 10b5-1 4,437 $0.71 $3,150 174,589 Direct -2.48% Disposed 146.5% (price as of 2026-08-21)
Dec. 19, 2007 NHTC S 10b5-1 2,546 $1.25 $3,182 149,026 Direct -1.68% Disposed 40.0% (price as of 2026-08-21)
Dec. 19, 2007 NHTC P 10b5-1 10,000 $1.25 $12,500 151,572 Direct +7.06% Acquired 40.0% (price as of 2026-08-21)
Dec. 18, 2007 NHTC S 10b5-1 564 $1.25 $705 141,572 Direct -0.40% Disposed 40.0% (price as of 2026-08-21)
Sept. 19, 2007 NHTC S 850 $2.30 $1,955 142,136 Direct -0.59% Disposed -23.9% (price as of 2026-08-21)
Sept. 18, 2007 NHTC S 75 $2.41 $181 142,986 Direct -0.05% Disposed -27.4% (price as of 2026-08-21)
Sept. 18, 2007 NHTC S 3,135 $2.48 $7,775 143,061 Direct -2.14% Disposed -29.4% (price as of 2026-08-21)
Aug. 23, 2006 NHTC P 1,500 $2.66 $3,990 3,484 Direct +75.60% Acquired -34.2% (price as of 2026-08-21)
Aug. 23, 2006 NHTC P 1,500 $2.66 $3,990 1,500 Direct — Acquired -34.2% (price as of 2026-08-21)
Oct. 6, 2004 NHTC P 1,984 $0.12 $238 1,984 Direct — Acquired 1358.3% (price as of 2026-08-21)
Oct. 6, 2004 NHTC P 1,984 $12.47 $24,740 3,968 Direct +100.00% Acquired -86.0% (price as of 2026-08-21)

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 26, 2007 NHTC Stock Options Common Stock (12,500) $10.50 Nov. 25, 2010 12,500 Disposed
June 26, 2007 NHTC Stock Options Common Stock (15,000) $10.01 Oct. 31, 2010 15,000 Disposed
June 26, 2007 NHTC Stock Options Common Stock (34,124) $11.40 June 23, 2014 34,124 Disposed
Nov. 25, 2005 NHTC Stock Options Common Stock (12,500) $10.50 Nov. 25, 2010 12,500 Acquired
Oct. 31, 2005 NHTC Stock Options Common Stock (15,000) $10.01 Oct. 31, 2010 15,000 Acquired
Oct. 31, 2005 NHTC Stock Options Common Stock (7,500) $10.01 Oct. 31, 2010 15,000 Acquired
Oct. 6, 2004 NHTC Warrants Common Stock (1,984) $12.47 Oct. 6, 2009 1,984 Acquired
June 24, 2004 NHTC Stock Options Common Stock (4,992) $11.40 June 23, 2014 4,992 Acquired

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