David Thrower
First SEC filing: Jan. 6, 2005 · Latest: Jan. 6, 2005
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 10, 2005 | ALGN | M | 100,299 | $2.35 | $235,703 | 116,279 Direct | +627.65% | Acquired | 6016.6% (price as of 2026-10-02) |
| Aug. 10, 2005 | ALGN | S | 14,981 | $6.16 | $92,283 | 101,298 Direct | -12.88% | Disposed | 2233.4% (price as of 2026-10-02) |
| Aug. 10, 2005 | ALGN | S | 300 | $6.17 | $1,851 | 100,998 Direct | -0.30% | Disposed | 2229.7% (price as of 2026-10-02) |
| Aug. 10, 2005 | ALGN | S | 30,819 | $6.18 | $190,461 | 70,179 Direct | -30.51% | Disposed | 2225.9% (price as of 2026-10-02) |
| Aug. 10, 2005 | ALGN | S | 3,900 | $6.19 | $24,141 | 66,279 Direct | -5.56% | Disposed | 2222.1% (price as of 2026-10-02) |
| Aug. 10, 2005 | ALGN | S | 44,706 | $6.20 | $277,177 | 21,573 Direct | -67.45% | Disposed | 2218.4% (price as of 2026-10-02) |
| Aug. 10, 2005 | ALGN | S | 1,700 | $6.21 | $10,557 | 19,873 Direct | -7.88% | Disposed | 2214.7% (price as of 2026-10-02) |
| Aug. 10, 2005 | ALGN | S | 200 | $6.22 | $1,244 | 19,673 Direct | -1.01% | Disposed | 2210.9% (price as of 2026-10-02) |
| Aug. 10, 2005 | ALGN | S | 1,393 | $6.23 | $8,678 | 18,280 Direct | -7.08% | Disposed | 2207.2% (price as of 2026-10-02) |
| Aug. 10, 2005 | ALGN | S | 2,300 | $6.24 | $14,352 | 15,980 Direct | -12.58% | Disposed | 2203.5% (price as of 2026-10-02) |
| Aug. 10, 2005 | ALGN | M | 100,299 | · | · | 50,001 Direct | -66.73% | Disposed | (price as of 2026-10-02) |
| Aug. 9, 2005 | ALGN | M | 29,500 | $2.35 | $69,325 | 45,480 Direct | +184.61% | Acquired | 6016.6% (price as of 2026-10-02) |
| Aug. 9, 2005 | ALGN | S | 20,400 | $6.23 | $127,092 | 25,080 Direct | -44.85% | Disposed | 2207.2% (price as of 2026-10-02) |
| Aug. 9, 2005 | ALGN | S | 600 | $6.24 | $3,744 | 24,480 Direct | -2.39% | Disposed | 2203.5% (price as of 2026-10-02) |
| Aug. 9, 2005 | ALGN | S | 7,400 | $6.25 | $46,250 | 17,080 Direct | -30.23% | Disposed | 2199.8% (price as of 2026-10-02) |
| Aug. 9, 2005 | ALGN | S | 1,100 | $6.26 | $6,886 | 15,980 Direct | -6.44% | Disposed | 2196.2% (price as of 2026-10-02) |
| Aug. 9, 2005 | ALGN | M | 29,500 | · | · | 150,300 Direct | -16.41% | Disposed | (price as of 2026-10-02) |
| Feb. 22, 2005 | ALGN | A | 120,000 | · | · | 120,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 28, 2004 | ALGN | M | 5,000 | $2.35 | $11,750 | 14,500 Direct | +52.63% | Acquired | 6016.6% (price as of 2026-10-02) |
| May 28, 2004 | ALGN | S | 4,500 | $19.01 | $85,545 | 10,000 Direct | -31.03% | Disposed | 656.1% (price as of 2026-10-02) |
| May 28, 2004 | ALGN | S | 500 | $19.03 | $9,515 | 9,500 Direct | -5.00% | Disposed | 655.3% (price as of 2026-10-02) |
| May 28, 2004 | ALGN | M | 5,000 | · | · | 21,360 Direct | -18.97% | Disposed | (price as of 2026-10-02) |
| March 12, 2004 | ALGN | A | 61,000 | · | · | 61,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 30, 2003 | ALGN | M | 12,500 | $2.35 | $29,375 | 19,500 Direct | +178.57% | Acquired | 6016.6% (price as of 2026-10-02) |
| Oct. 30, 2003 | ALGN | S | 12,500 | $15.30 | $191,250 | 7,000 Direct | -64.10% | Disposed | 839.5% (price as of 2026-10-02) |
| Oct. 30, 2003 | ALGN | M | 12,500 | · | · | 26,360 Direct | -32.17% | Disposed | (price as of 2026-10-02) |
| Aug. 29, 2003 | ALGN | M | 147 | $2.35 | $345 | 7,147 Direct | +2.10% | Acquired | 6016.6% (price as of 2026-10-02) |
| Aug. 29, 2003 | ALGN | M | 2,553 | $2.35 | $6,000 | 9,700 Direct | +35.72% | Acquired | 6016.6% (price as of 2026-10-02) |
| Aug. 29, 2003 | ALGN | S | 2,700 | $11.00 | $29,700 | 7,000 Direct | -27.84% | Disposed | 1206.7% (price as of 2026-10-02) |
| Aug. 29, 2003 | ALGN | M | 147 | $2.35 | $345 | 38,860 Direct | -0.38% | Disposed | 6016.6% (price as of 2026-10-02) |
| Aug. 29, 2003 | ALGN | M | 2,553 | $2.35 | $6,000 | 158,440 Direct | -1.59% | Disposed | 6016.6% (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 10, 2005 | ALGN | Right to buy (Common Stock) | Common Stock | $2.35 | Aug. 9, 2012 | 100,299 | Disposed |
| Aug. 9, 2005 | ALGN | Right to buy (Common Stock) | Common Stock | $2.35 | Aug. 9, 2012 | 29,500 | Disposed |
| Feb. 22, 2005 | ALGN | Right to buy (Common Stock) | Common Stock | $7.35 | Feb. 22, 2015 | 120,000 | Acquired |
| May 28, 2004 | ALGN | Right to buy (Common Stock) | Common Stock | $2.35 | Aug. 9, 2012 | 5,000 | Disposed |
| March 12, 2004 | ALGN | Stock Option (right to buy) [F2] | Common Stock | $18.73 | March 12, 2014 | 61,000 | Acquired |
| Oct. 30, 2003 | ALGN | Stock Option (right to buy) | Common Stock | $2.35 | Aug. 9, 2012 | 12,500 | Disposed |
| Aug. 29, 2003 | ALGN | Stock Option (right to buy) | Common Stock | $2.35 | Aug. 9, 2012 | 147 | Disposed |
| Aug. 29, 2003 | ALGN | Stock Option (right to buy) | Common Stock | $2.35 | Aug. 9, 2012 | 2,553 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2004 | · | · | · | · | · | · | · | · |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.