John T Kurtzweil
CIK 1184588 · View on SEC EDGAR ↗
First SEC filing: April 20, 2021 · Latest: April 20, 2021
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 19, 2026 | ACLS | S | 3,500 | $138.79 | $485,765 | 32,990 Direct | -9.59% | Disposed | -9.7% (price as of 2026-08-21) |
| May 20, 2024 | ACLS | S | 1,200 | $114.42 | $137,304 | 33,146 Direct | -3.49% | Disposed | 9.6% (price as of 2026-08-21) |
| June 12, 2023 | SKYT | S | 7,447 | $9.50 | $70,746 | 28,097 Direct | -20.95% | Disposed | |
| May 18, 2023 | ACLS | S | 2,689 | $138.69 | $372,937 | 32,684 Direct | -7.60% | Disposed | -9.6% (price as of 2026-08-21) |
| Dec. 8, 2022 | ACLS | S | 3,037 | $78.42 | $238,162 | 34,091 Direct | -8.18% | Disposed | 59.9% (price as of 2026-08-21) |
| Nov. 22, 2021 | ACLS | S | 3,497 | $64.58 | $225,836 | 34,439 Direct | -9.22% | Disposed | 94.1% (price as of 2026-08-21) |
| Nov. 24, 2020 | ACLS | S | 3,000 | $27.52 | $82,560 | 34,439 Direct | -8.01% | Disposed | 355.5% (price as of 2026-08-21) |
| Nov. 19, 2019 | ACLS | S | 3,000 | $22.47 | $67,410 | 30,558 Direct | -8.94% | Disposed | 457.9% (price as of 2026-08-21) |
| May 17, 2019 | ACLS | S | 1,400 | $16.78 | $23,492 | 33,558 Direct | -4.00% | Disposed | 647.1% (price as of 2026-08-21) |
| Nov. 21, 2018 | ACLS | S | 2,500 | $17.61 | $44,025 | 28,726 Direct | -8.01% | Disposed | 611.9% (price as of 2026-08-21) |
| May 18, 2018 | ACLS | S | 900 | $21.24 | $19,116 | 31,226 Direct | -2.80% | Disposed | 490.2% (price as of 2026-08-21) |
| Nov. 15, 2017 | ACLS | S | 1,800 | $34.03 | $61,254 | 26,498 Direct | -6.36% | Disposed | 268.4% (price as of 2026-08-21) |
| May 16, 2017 | ACLS | S | 900 | $21.65 | $19,485 | 24,487 Direct | -3.55% | Disposed | 479.0% (price as of 2026-08-21) |
| Aug. 17, 2015 | ACLS | P | 10,000 | $3.24 | $32,400 | 71,000 Direct | +16.39% | Acquired | 867.3% (price as of 2026-08-21) |
| May 15, 2014 | EXTR | P | 10,000 | $3.84 | $38,400 | 102,000 Direct | +10.87% | Acquired | 480.5% (price as of 2026-08-21) |
| Aug. 29, 2012 | EXTR | P | 10,000 | $3.47 | $34,700 | 50,000 Direct | +25.00% | Acquired | 542.4% (price as of 2026-08-21) |
| April 22, 2010 | WOLF | S 10b5-1 | 10,000 | $79.65 | $796,500 | 36,243 Direct | -21.62% | Disposed | -65.6% (price as of 2026-08-21) |
| April 22, 2010 | WOLF | S 10b5-1 | 4,000 | $75.42 | $301,680 | 46,243 Direct | -7.96% | Disposed | -63.6% (price as of 2026-08-21) |
| April 22, 2010 | WOLF | S 10b5-1 | 16,000 | $74.77 | $1,196,320 | 50,243 Direct | -24.15% | Disposed | -63.3% (price as of 2026-08-21) |
| Dec. 1, 2009 | WOLF | S 10b5-1 | 4,000 | $49.60 | $198,400 | 36,243 Direct | -9.94% | Disposed | -44.7% (price as of 2026-08-21) |
| Dec. 1, 2009 | WOLF | S 10b5-1 | 3,000 | $49.59 | $148,770 | 40,243 Direct | -6.94% | Disposed | -44.7% (price as of 2026-08-21) |
| Dec. 1, 2009 | WOLF | S 10b5-1 | 3,000 | $49.59 | $148,770 | 43,243 Direct | -6.49% | Disposed | -44.7% (price as of 2026-08-21) |
| Dec. 1, 2009 | WOLF | S 10b5-1 | 2,000 | $49.52 | $99,040 | 46,243 Direct | -4.15% | Disposed | -44.6% (price as of 2026-08-21) |
| Oct. 22, 2009 | WOLF | S 10b5-1 | 2,000 | $44.51 | $89,020 | 37,768 Direct | -5.03% | Disposed | -38.4% (price as of 2026-08-21) |
| Oct. 22, 2009 | WOLF | S 10b5-1 | 200 | $44.40 | $8,880 | 39,768 Direct | -0.50% | Disposed | -38.2% (price as of 2026-08-21) |
| Oct. 22, 2009 | WOLF | S 10b5-1 | 300 | $44.39 | $13,317 | 39,968 Direct | -0.75% | Disposed | -38.2% (price as of 2026-08-21) |
| Oct. 22, 2009 | WOLF | S 10b5-1 | 500 | $44.38 | $22,190 | 40,268 Direct | -1.23% | Disposed | -38.2% (price as of 2026-08-21) |
| Oct. 22, 2009 | WOLF | S 10b5-1 | 2,000 | $44.35 | $88,700 | 40,768 Direct | -4.68% | Disposed | -38.2% (price as of 2026-08-21) |
| Oct. 22, 2009 | WOLF | S 10b5-1 | 1,500 | $44.34 | $66,510 | 42,768 Direct | -3.39% | Disposed | -38.1% (price as of 2026-08-21) |
| Oct. 22, 2009 | WOLF | S 10b5-1 | 1,000 | $44.26 | $44,260 | 44,268 Direct | -2.21% | Disposed | -38.0% (price as of 2026-08-21) |
| Oct. 22, 2009 | WOLF | S 10b5-1 | 500 | $44.26 | $22,130 | 45,268 Direct | -1.09% | Disposed | -38.0% (price as of 2026-08-21) |
| Oct. 22, 2009 | WOLF | S 10b5-1 | 2,000 | $44.06 | $88,120 | 45,768 Direct | -4.19% | Disposed | -37.8% (price as of 2026-08-21) |
| Oct. 22, 2009 | WOLF | S 10b5-1 | 100 | $44.04 | $4,404 | 47,768 Direct | -0.21% | Disposed | -37.7% (price as of 2026-08-21) |
| Oct. 22, 2009 | WOLF | S 10b5-1 | 590 | $44.04 | $25,984 | 47,868 Direct | -1.22% | Disposed | -37.7% (price as of 2026-08-21) |
| Oct. 22, 2009 | WOLF | S 10b5-1 | 310 | $44.04 | $13,652 | 48,458 Direct | -0.64% | Disposed | -37.7% (price as of 2026-08-21) |
| Oct. 22, 2009 | WOLF | S 10b5-1 | 100 | $44.03 | $4,403 | 48,768 Direct | -0.20% | Disposed | -37.7% (price as of 2026-08-21) |
| Oct. 22, 2009 | WOLF | S 10b5-1 | 900 | $44.02 | $39,618 | 48,868 Direct | -1.81% | Disposed | -37.7% (price as of 2026-08-21) |
| Nov. 24, 2008 | WOLF | P | 2,500 | $14.74 | $36,850 | 35,394 Direct | +7.60% | Acquired | 86.1% (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 |
|---|---|---|---|---|---|---|---|
| Aug. 21, 2012 | EXTR | Non-Qualified Stock Option (right to buy) | Common Stock (350,000) | $3.38 | Aug. 21, 2019 | 350,000 | Acquired |
| Sept. 1, 2011 | WOLF | NONQUALIFIED STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (30,000) | $30.92 | Sept. 1, 2018 | 30,000 | Acquired |
| Sept. 1, 2010 | WOLF | NONQUALIFIED STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (30,000) | $55.30 | Sept. 1, 2017 | 30,000 | Acquired |
| April 22, 2010 | WOLF | NONQUALIFIED STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (30,000) | $20.50 | Oct. 2, 2013 | 30,000 | Disposed |
| Dec. 1, 2009 | WOLF | NONQUALIFIED STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (10,000) | $20.50 | Oct. 2, 2013 | 10,000 | Disposed |
| Oct. 22, 2009 | WOLF | NONQUALIFIED STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (10,000) | $20.50 | Oct. 2, 2013 | 10,000 | Disposed |
| Sept. 1, 2009 | WOLF | NONQUALIFIED STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (30,000) | $35.89 | Sept. 1, 2016 | 30,000 | Acquired |
| Sept. 2, 2008 | WOLF | NONQUALIFIED STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (30,000) | $22.90 | Sept. 2, 2015 | 30,000 | Acquired |
| Sept. 4, 2007 | WOLF | NONQUALIFIED STOCK OPTION | COMMON STOCK (25,000) | $27.47 | Sept. 4, 2014 | 25,000 | Acquired |
| Oct. 2, 2006 | WOLF | Nonqualified Stock Option (Right to Buy) | Common Stock (70,000) | $20.50 | Oct. 2, 2013 | 70,000 | Acquired |
| March 1, 2006 | CRUS | Non-Qualified Stock Option (right to buy) | Common Stock (30,000) | $8.06 | March 1, 2016 | 30,000 | Acquired |
| March 2, 2005 | CRUS | Incentive Stock Option (right to buy) | Common Stock (3,753) | $4.58 | March 2, 2015 | 3,753 | Acquired |
| March 2, 2005 | CRUS | Non-Qualified Stock Option (right to buy) | Common Stock | $4.58 | March 2, 2015 | 56,247 | Acquired |
| April 7, 2004 | CRUS | Incentive Stock Option (right to buy) | Common Stock (48,956) | $8.17 | April 7, 2014 | 48,956 | Acquired |
| April 7, 2004 | CRUS | Non-Qualified Stock Option (right to buy) | Common Stock (176,044) | $8.17 | April 7, 2014 | 176,044 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
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 |
|---|---|---|---|---|---|---|---|---|
| 2011 | $373,096 | — | — | — | $40,828 | — | $7,323 | $1,456,070 |
| 2010 | $364,000 | — | — | — | $284,358 | — | $8,567 | $1,291,371 |
| 2008 | $361,396 | — | — | — | $165,038 | — | $160,820 | $1,106,993 |
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2014 | $385,000 | — | — | — | $167,264 | — | $10,079 | $1,096,010 |
| 2013 | $385,000 | — | — | — | — | — | $16,026 | $1,188,801 |
| 2012 | $1,481 | — | — | — | — | — | — | $1,481 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.