Brien Colin O
Insider
First SEC filing: Dec. 13, 2005 · Latest: Dec. 13, 2005
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 17, 2006 | NHTC | A | 15,000 | · | · | 22,500 Direct | +200.00% | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2006 | NHTC | P | 920 | $1.57 | $1,444 | 10,920 Direct | +9.20% | Acquired | -39.5% (price as of 2026-10-05) |
| Nov. 15, 2006 | NHTC | P | 2,080 | $1.57 | $3,266 | 13,000 Direct | +19.05% | Acquired | -39.5% (price as of 2026-10-05) |
| Nov. 15, 2006 | NHTC | P | 2,000 | $1.79 | $3,580 | 15,000 Direct | +15.38% | Acquired | -46.9% (price as of 2026-10-05) |
| Nov. 15, 2006 | NHTC | P | 10,000 | $1.78 | $17,800 | 25,000 Direct | +66.67% | Acquired | -46.6% (price as of 2026-10-05) |
| Nov. 15, 2006 | NHTC | P | 200 | $1.83 | $366 | 25,200 Direct | +0.80% | Acquired | -48.1% (price as of 2026-10-05) |
| Nov. 15, 2006 | NHTC | P | 4,800 | $1.85 | $8,880 | 30,000 Direct | +19.05% | Acquired | -48.6% (price as of 2026-10-05) |
| Aug. 17, 2006 | NHTC | P | 2,000 | $2.40 | $4,800 | 10,000 Direct | +25.00% | Acquired | -60.4% (price as of 2026-10-05) |
| Aug. 17, 2006 | NHTC | P | 8,000 | $2.38 | $19,040 | 8,000 Direct | · | Acquired | -60.1% (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| Nov. 17, 2006 | NHTC | Option | Common Stock | $1.80 | · | 15,000 | 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 |
|---|---|---|---|---|
| Dec. 13, 2005 | NHTC | Stock Options | 7,500 | Direct |