David R Birk
Insider
First SEC filing: Nov. 13, 2006 · Latest: Nov. 13, 2006
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 10, 2012 | AVT | F | 3,892 | $32.22 | $125,400 | 96,291 Direct | -3.88% | Disposed | 229.6% (price as of 2026-10-05) |
| Aug. 10, 2012 | AVT | A | 12,701 | · | · | 100,183 Direct | +14.52% | Acquired | (price as of 2026-10-05) |
| Aug. 9, 2012 | AVT | A | 22,028 | · | · | 22,028 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 9, 2012 | AVT | A | 7,710 | · | · | 87,482 Direct | +9.67% | Acquired | (price as of 2026-10-05) |
| Jan. 3, 2012 | AVT | F | 2,354 | $31.43 | $73,986 | 79,772 Direct | -2.87% | Disposed | 237.9% (price as of 2026-10-05) |
| Aug. 12, 2011 | AVT | F | 2,988 | $27.92 | $83,425 | 82,126 Direct | -3.51% | Disposed | 280.3% (price as of 2026-10-05) |
| Aug. 12, 2011 | AVT | A | 8,490 | · | · | 85,114 Direct | +11.08% | Acquired | (price as of 2026-10-05) |
| Aug. 11, 2011 | AVT | A | 18,696 | · | · | 18,696 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 11, 2011 | AVT | A | 6,690 | · | · | 76,624 Direct | +9.57% | Acquired | (price as of 2026-10-05) |
| Jan. 3, 2011 | AVT | F | 2,475 | $33.58 | $83,110 | 69,934 Direct | -3.42% | Disposed | 216.2% (price as of 2026-10-05) |
| Dec. 2, 2010 | AVT | M | 12,930 | $17.47 | $225,887 | 0 Direct | -100.00% | Disposed | 507.8% (price as of 2026-10-05) |
| Dec. 2, 2010 | AVT | M | 12,500 | $18.13 | $226,625 | 0 Direct | -100.00% | Disposed | 485.7% (price as of 2026-10-05) |
| Dec. 2, 2010 | AVT | S | 12,000 | $32.14 | $385,680 | 72,409 Direct | -14.22% | Disposed | 230.4% (price as of 2026-10-05) |
| Dec. 2, 2010 | AVT | F | 9,427 | $32.14 | $302,984 | 84,409 Direct | -10.05% | Disposed | 230.4% (price as of 2026-10-05) |
| Dec. 2, 2010 | AVT | M | 12,930 | $17.47 | $225,887 | 93,836 Direct | +15.98% | Acquired | 507.8% (price as of 2026-10-05) |
| Dec. 2, 2010 | AVT | F | 8,941 | $32.14 | $287,364 | 80,906 Direct | -9.95% | Disposed | 230.4% (price as of 2026-10-05) |
| Dec. 2, 2010 | AVT | M | 12,500 | $18.13 | $226,625 | 89,847 Direct | +16.16% | Acquired | 485.7% (price as of 2026-10-05) |
| Nov. 5, 2010 | AVT | A | 7,230 | · | · | 77,347 Direct | +10.31% | Acquired | (price as of 2026-10-05) |
| Aug. 13, 2010 | AVT | F | 1,691 | $24.12 | $40,787 | 70,117 Direct | -2.35% | Disposed | 340.3% (price as of 2026-10-05) |
| Aug. 13, 2010 | AVT | A | 5,520 | · | · | 71,808 Direct | +8.33% | Acquired | (price as of 2026-10-05) |
| Aug. 12, 2010 | AVT | A | 19,856 | · | · | 19,856 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 4, 2010 | AVT | F | 2,654 | $30.32 | $80,469 | 66,288 Direct | -3.85% | Disposed | 250.2% (price as of 2026-10-05) |
| Sept. 10, 2009 | AVT | S | 3,000 | $27.13 | $81,390 | 68,942 Direct | -4.17% | Disposed | 291.4% (price as of 2026-10-05) |
| Aug. 26, 2009 | AVT | F | 1,121 | $25.83 | $28,955 | 71,942 Direct | -1.53% | Disposed | 311.1% (price as of 2026-10-05) |
| Aug. 26, 2009 | AVT | A | 4,240 | · | · | 73,063 Direct | +6.16% | Acquired | (price as of 2026-10-05) |
| Aug. 13, 2009 | AVT | A | 8,490 | · | · | 68,823 Direct | +14.07% | Acquired | (price as of 2026-10-05) |
| Aug. 13, 2009 | AVT | A | 21,360 | · | · | 21,360 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2009 | AVT | F | 2,716 | $18.50 | $50,246 | 60,333 Direct | -4.31% | Disposed | 474.0% (price as of 2026-10-05) |
| Aug. 27, 2008 | AVT | F | 4,521 | $29.42 | $133,008 | 63,049 Direct | -6.69% | Disposed | 260.9% (price as of 2026-10-05) |
| Aug. 27, 2008 | AVT | A | 14,493 | · | · | 67,570 Direct | +27.31% | Acquired | (price as of 2026-10-05) |
| Aug. 7, 2008 | AVT | A | 21,360 | · | · | 21,360 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 7, 2008 | AVT | A | 8,490 | · | · | 53,077 Direct | +19.04% | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2008 | AVT | F | 2,072 | $34.64 | $71,774 | 44,587 Direct | -4.44% | Disposed | 206.6% (price as of 2026-10-05) |
| Aug. 9, 2007 | AVT | A | 5,520 | · | · | 46,659 Direct | +13.42% | Acquired | (price as of 2026-10-05) |
| Aug. 9, 2007 | AVT | A | 12,764 | · | · | 12,764 Direct | · | Acquired | (price as of 2026-10-05) |
| May 30, 2007 | AVT | M | 19,000 | $28.75 | $546,250 | 0 Direct | -100.00% | Disposed | 269.4% (price as of 2026-10-05) |
| May 30, 2007 | AVT | S | 7,845 | $42.00 | $329,490 | 41,102 Direct | -16.03% | Disposed | 152.8% (price as of 2026-10-05) |
| May 30, 2007 | AVT | F | 15,589 | $42.00 | $654,738 | 48,947 Direct | -24.16% | Disposed | 152.8% (price as of 2026-10-05) |
| May 30, 2007 | AVT | M | 19,000 | $28.75 | $546,250 | 64,536 Direct | +41.73% | Acquired | 269.4% (price as of 2026-10-05) |
| May 24, 2007 | AVT | S | 1,000 | $40.72 | $40,720 | 49,322 Direct | -1.99% | Disposed | 160.8% (price as of 2026-10-05) |
| May 24, 2007 | AVT | S | 1,386 | $40.76 | $56,493 | 47,936 Direct | -2.81% | Disposed | 160.5% (price as of 2026-10-05) |
| May 24, 2007 | AVT | S | 1,200 | $40.74 | $48,888 | 46,736 Direct | -2.50% | Disposed | 160.7% (price as of 2026-10-05) |
| May 24, 2007 | AVT | S | 1,000 | $40.73 | $40,730 | 45,736 Direct | -2.14% | Disposed | 160.7% (price as of 2026-10-05) |
| May 24, 2007 | AVT | S | 200 | $40.75 | $8,150 | 45,536 Direct | -0.44% | Disposed | 160.6% (price as of 2026-10-05) |
| March 8, 2007 | AVT | M | 30,000 | $31.63 | $948,900 | 0 Direct | -100.00% | Disposed | 235.7% (price as of 2026-10-05) |
| March 8, 2007 | AVT | S | 2,200 | $36.40 | $80,080 | 50,322 Direct | -4.19% | Disposed | 191.7% (price as of 2026-10-05) |
| March 8, 2007 | AVT | F | 27,788 | $36.34 | $1,009,816 | 52,522 Direct | -34.60% | Disposed | 192.2% (price as of 2026-10-05) |
| March 8, 2007 | AVT | M | 30,000 | $31.63 | $948,900 | 30,310 Direct | +9677.42% | Acquired | 235.7% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | M | 12,930 | $17.47 | $225,887 | 12,930 Direct | -50.00% | Disposed | 507.8% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | M | 37,500 | $18.13 | $679,875 | 12,500 Direct | -75.00% | Disposed | 485.7% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | M | 14,000 | $21.50 | $301,000 | 0 Direct | -100.00% | Disposed | 393.9% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | M | 13,000 | $21.50 | $279,500 | 0 Direct | -100.00% | Disposed | 393.9% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | S | 5,700 | $32.42 | $184,794 | 50,310 Direct | -10.18% | Disposed | 227.5% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | S | 1,800 | $32.41 | $58,338 | 56,010 Direct | -3.11% | Disposed | 227.6% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | S | 13,500 | $32.40 | $437,400 | 57,810 Direct | -18.93% | Disposed | 227.7% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | F | 8,839 | $32.35 | $285,942 | 71,310 Direct | -11.03% | Disposed | 228.3% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | M | 12,930 | $17.47 | $225,887 | 80,149 Direct | +19.24% | Acquired | 507.8% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | F | 26,159 | $32.35 | $846,244 | 67,219 Direct | -28.01% | Disposed | 228.3% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | M | 37,500 | $18.13 | $679,875 | 93,378 Direct | +67.11% | Acquired | 485.7% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | F | 10,784 | $32.35 | $348,862 | 55,878 Direct | -16.18% | Disposed | 228.3% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | M | 14,000 | $21.50 | $301,000 | 66,662 Direct | +26.58% | Acquired | 393.9% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | F | 8,640 | $32.35 | $279,504 | 52,662 Direct | -14.09% | Disposed | 228.3% (price as of 2026-10-05) |
| Feb. 6, 2007 | AVT | M | 13,000 | $21.50 | $279,500 | 61,302 Direct | +26.91% | Acquired | 393.9% (price as of 2026-10-05) |
| Jan. 2, 2007 | AVT | F | 1,781 | $25.53 | $45,469 | 48,302 Direct | -3.56% | Disposed | 315.9% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | M | 37,500 | $12.95 | $485,625 | 0 Direct | -100.00% | Disposed | 720.0% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | M | 25,000 | $17.50 | $437,500 | 0 Direct | -100.00% | Disposed | 506.8% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | M | 60,000 | $17.88 | $1,072,800 | 0 Direct | -100.00% | Disposed | 493.9% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | S | 13,300 | $24.84 | $330,372 | 50,052 Direct | -20.99% | Disposed | 327.5% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | S | 300 | $24.88 | $7,464 | 63,352 Direct | -0.47% | Disposed | 326.8% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | S | 2,600 | $24.90 | $64,740 | 63,652 Direct | -3.92% | Disposed | 326.5% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | S | 100 | $24.94 | $2,494 | 66,252 Direct | -0.15% | Disposed | 325.8% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | S | 600 | $25.00 | $15,000 | 66,352 Direct | -0.90% | Disposed | 324.8% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | S | 1,600 | $25.01 | $40,016 | 66,952 Direct | -2.33% | Disposed | 324.6% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | F | 24,316 | $24.81 | $603,280 | 68,552 Direct | -26.18% | Disposed | 328.0% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | M | 37,500 | $12.95 | $485,625 | 92,868 Direct | +67.73% | Acquired | 720.0% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | F | 19,582 | $24.81 | $485,829 | 55,368 Direct | -26.13% | Disposed | 328.0% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | M | 25,000 | $17.50 | $437,500 | 74,950 Direct | +50.05% | Acquired | 506.8% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | F | 47,674 | $24.81 | $1,182,792 | 49,950 Direct | -48.83% | Disposed | 328.0% (price as of 2026-10-05) |
| Nov. 9, 2006 | AVT | M | 60,000 | $17.88 | $1,072,800 | 97,624 Direct | +159.47% | Acquired | 493.9% (price as of 2026-10-05) |
| Aug. 10, 2006 | AVT | A | 16,964 | · | · | 16,964 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 10, 2006 | AVT | A | 8,480 | · | · | 37,529 Direct | +29.19% | Acquired | (price as of 2026-10-05) |
| Sept. 23, 2005 | AVT | A | 15,316 | · | · | 15,316 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 23, 2005 | AVT | A | 7,660 | · | · | 28,834 Direct | +36.18% | Acquired | (price as of 2026-10-05) |
| Sept. 8, 2005 | AVT | M | 12,500 | $12.95 | $161,875 | 37,500 Direct | -25.00% | Disposed | 720.0% (price as of 2026-10-05) |
| Sept. 8, 2005 | AVT | S | 8,200 | $26.00 | $213,200 | 21,174 Direct | -27.92% | Disposed | 308.4% (price as of 2026-10-05) |
| Sept. 8, 2005 | AVT | S | 600 | $26.06 | $15,636 | 29,374 Direct | -2.00% | Disposed | 307.5% (price as of 2026-10-05) |
| Sept. 8, 2005 | AVT | S | 3,700 | $26.12 | $96,644 | 29,974 Direct | -10.99% | Disposed | 306.5% (price as of 2026-10-05) |
| Sept. 8, 2005 | AVT | M | 12,500 | $12.95 | $161,875 | 33,674 Direct | +59.03% | Acquired | 720.0% (price as of 2026-10-05) |
| Sept. 7, 2005 | AVT | M | 11,000 | $23.50 | $258,500 | 0 Direct | -100.00% | Disposed | 351.9% (price as of 2026-10-05) |
| Sept. 7, 2005 | AVT | M | 6,400 | $23.50 | $150,400 | 0 Direct | -100.00% | Disposed | 351.9% (price as of 2026-10-05) |
| Sept. 7, 2005 | AVT | S | 11,000 | $24.75 | $272,250 | 21,174 Direct | -34.19% | Disposed | 329.1% (price as of 2026-10-05) |
| Sept. 7, 2005 | AVT | M | 11,000 | $23.50 | $258,500 | 32,174 Direct | +51.95% | Acquired | 351.9% (price as of 2026-10-05) |
| Sept. 7, 2005 | AVT | S | 6,400 | $24.75 | $158,400 | 21,174 Direct | -23.21% | Disposed | 329.1% (price as of 2026-10-05) |
| Sept. 7, 2005 | AVT | M | 6,400 | $23.50 | $150,400 | 27,574 Direct | +30.23% | Acquired | 351.9% (price as of 2026-10-05) |
| Sept. 6, 2005 | AVT | M | 12,600 | $23.50 | $296,100 | 6,400 Direct | -66.32% | Disposed | 351.9% (price as of 2026-10-05) |
| Sept. 6, 2005 | AVT | S | 9,600 | $24.75 | $237,600 | 21,174 Direct | -31.20% | Disposed | 329.1% (price as of 2026-10-05) |
| Sept. 6, 2005 | AVT | S | 2,000 | $24.78 | $49,560 | 30,774 Direct | -6.10% | Disposed | 328.5% (price as of 2026-10-05) |
| Sept. 6, 2005 | AVT | S | 1,000 | $24.82 | $24,820 | 32,774 Direct | -2.96% | Disposed | 327.8% (price as of 2026-10-05) |
| Sept. 6, 2005 | AVT | M | 12,600 | $23.50 | $296,100 | 33,774 Direct | +59.51% | Acquired | 351.9% (price as of 2026-10-05) |
| Sept. 23, 2004 | AVT | A | 25,860 | · | · | 25,860 Direct | · | Acquired | (price as of 2026-10-05) |
Showing latest 100 of 102 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 |
|---|---|---|---|---|---|---|---|
| Aug. 9, 2012 | AVT | Employee Stock Option (right to buy) | Common Stock | $32.43 | Aug. 8, 2022 | 22,028 | Acquired |
| Aug. 11, 2011 | AVT | Employee Stock Option (right to buy) | Common Stock | $27.94 | Aug. 10, 2021 | 18,696 | Acquired |
| Dec. 2, 2010 | AVT | Employee Stock Option (right to buy) | Common Stock | $17.47 | Sept. 18, 2013 | 12,930 | Disposed |
| Dec. 2, 2010 | AVT | Employee Stock Option (right to buy) | Common Stock | $18.13 | Sept. 18, 2013 | 12,500 | Disposed |
| Aug. 12, 2010 | AVT | Employee Stock Option (right to buy) | Common Stock | $24.41 | Aug. 11, 2020 | 19,856 | Acquired |
| Aug. 13, 2009 | AVT | Employee Stock Option (right to buy) | Common Stock | $24.75 | Aug. 12, 2019 | 21,360 | Acquired |
| Aug. 7, 2008 | AVT | Employee Stock Option (right to buy) | Common Stock | $28.80 | Aug. 6, 2018 | 21,360 | Acquired |
| Aug. 9, 2007 | AVT | Employee Stock Option (right to buy) | Common Stock | $34.34 | Aug. 8, 2017 | 12,764 | Acquired |
| May 30, 2007 | AVT | Employee Stock Option (right to buy) | Common Stock | $28.75 | Sept. 28, 2010 | 19,000 | Disposed |
| March 8, 2007 | AVT | Employee Stock Option (right to buy) | Common Stock | $31.63 | Sept. 24, 2007 | 30,000 | Disposed |
| Feb. 6, 2007 | AVT | Employee Stock Option (right to buy) | Common Stock | $17.47 | Feb. 6, 2007 | 12,930 | Disposed |
| Feb. 6, 2007 | AVT | Employee Stock Option (right to buy) | Common Stock | $18.13 | Sept. 18, 2013 | 37,500 | Disposed |
| Feb. 6, 2007 | AVT | Employee Stock Option (right to buy) | Common Stock | $21.50 | Sept. 23, 2009 | 14,000 | Disposed |
| Feb. 6, 2007 | AVT | Employee Stock Option (right to buy) | Common Stock | $21.50 | Sept. 23, 2009 | 13,000 | Disposed |
| Nov. 9, 2006 | AVT | Employee Stock Option (right to buy) | Common Stock | $12.95 | Sept. 19, 2012 | 37,500 | Disposed |
| Nov. 9, 2006 | AVT | Employee Stock Option (right to buy) | Common Stock | $17.50 | Sept. 26, 2011 | 25,000 | Disposed |
| Nov. 9, 2006 | AVT | Employee Stock Option (right to buy) | Common Stock | $17.88 | Sept. 24, 2008 | 60,000 | Disposed |
| Aug. 10, 2006 | AVT | Employee Stock Option (right to buy) | Common Stock | $16.96 | Aug. 9, 2016 | 16,964 | Acquired |
| Sept. 23, 2005 | AVT | Employee Stock Option (right to buy) | Common Stock | $24.78 | Sept. 22, 2015 | 15,316 | Acquired |
| Sept. 8, 2005 | AVT | Employee Stock Option (right to buy) | Common Stock | $12.95 | Sept. 19, 2012 | 12,500 | Disposed |
| Sept. 7, 2005 | AVT | Employee Stock Option (right to buy) | Common Stock | $23.50 | Nov. 14, 2005 | 11,000 | Disposed |
| Sept. 7, 2005 | AVT | Employee Stock Option (right to buy) | Common Stock | $23.50 | Nov. 14, 2005 | 6,400 | Disposed |
| Sept. 6, 2005 | AVT | Employee Stock Option (right to buy) | Common Stock | $23.50 | Nov. 14, 2005 | 12,600 | Disposed |
| Sept. 23, 2004 | AVT | Employee Stock Option (right to buy) | Common Stock | $17.47 | Sept. 22, 2014 | 25,860 | Acquired |
| Sept. 19, 2003 | AVT | Employee Stock Option (right to buy) | · | $18.13 | Sept. 18, 2013 | 50,000 | Acquired |
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 |
|---|---|---|---|---|---|---|---|---|
| 2013 | $500,000 | · | · | · | $271,478 | · | $22,329 | $1,793,931 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.