Peter W Walcott
First SEC filing: Aug. 8, 2005 · Latest: Aug. 8, 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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 19, 2016 | ENTG | F | 4,805 | $12.11 | $58,189 | 82,655 Direct | -5.49% | Disposed | 1278.4% (price as of 2026-10-05) |
| Feb. 19, 2015 | ENTG | F | 4,995 | $13.70 | $68,432 | 87,460 Direct | -5.40% | Disposed | 1118.4% (price as of 2026-10-05) |
| Feb. 10, 2015 | ENTG | A | 11,916 | · | · | 92,455 Direct | +14.80% | Acquired | (price as of 2026-10-05) |
| Feb. 10, 2015 | ENTG | A | 31,256 | · | · | 31,256 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 19, 2014 | ENTG | F | 6,338 | $12.01 | $76,119 | 80,539 Direct | -7.30% | Disposed | 1289.8% (price as of 2026-10-05) |
| Feb. 11, 2014 | ENTG | A | 12,836 | · | · | 86,877 Direct | +17.34% | Acquired | (price as of 2026-10-05) |
| Feb. 11, 2014 | ENTG | A | 56,564 | · | · | 56,564 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 20, 2013 | ENTG | S | 8,609 | $9.80 | $84,368 | 74,041 Direct | -10.42% | Disposed | 1603.3% (price as of 2026-10-05) |
| Feb. 12, 2013 | ENTG | A | 59,364 | · | · | 59,364 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 12, 2013 | ENTG | A | 15,224 | · | · | 82,650 Direct | +22.58% | Acquired | (price as of 2026-10-05) |
| Nov. 27, 2012 | ENTG | M | 19,494 | · | · | 19,495 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Nov. 27, 2012 | ENTG | M | 41,405 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 27, 2012 | ENTG | M | 35,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 27, 2012 | ENTG | S | 19,494 | $8.77 | $170,962 | 67,426 Direct | -22.43% | Disposed | 1803.3% (price as of 2026-10-05) |
| Nov. 27, 2012 | ENTG | M | 19,494 | $5.40 | $105,268 | 86,920 Direct | +28.91% | Acquired | 2991.1% (price as of 2026-10-05) |
| Nov. 27, 2012 | ENTG | S | 41,405 | $8.77 | $363,122 | 67,426 Direct | -38.05% | Disposed | 1803.3% (price as of 2026-10-05) |
| Nov. 27, 2012 | ENTG | M | 41,405 | $7.07 | $292,733 | 108,831 Direct | +61.41% | Acquired | 2261.0% (price as of 2026-10-05) |
| Nov. 27, 2012 | ENTG | S | 35,000 | $8.77 | $306,950 | 67,426 Direct | -34.17% | Disposed | 1803.3% (price as of 2026-10-05) |
| Nov. 27, 2012 | ENTG | M | 35,000 | $1.13 | $39,550 | 102,426 Direct | +51.91% | Acquired | 14671.7% (price as of 2026-10-05) |
| Sept. 17, 2012 | ENTG | M | 595 | · | · | 41,405 Direct | -1.42% | Disposed | (price as of 2026-10-05) |
| Sept. 17, 2012 | ENTG | S | 595 | $9.07 | $5,397 | 67,426 Direct | -0.87% | Disposed | 1740.4% (price as of 2026-10-05) |
| Sept. 17, 2012 | ENTG | M | 595 | $7.07 | $4,207 | 68,021 Direct | +0.88% | Acquired | 2261.0% (price as of 2026-10-05) |
| Feb. 22, 2012 | ENTG | S 10b5-1 | 1,420 | $9.14 | $12,979 | 64,618 Direct | -2.15% | Disposed | 1726.3% (price as of 2026-10-05) |
| Feb. 22, 2012 | ENTG | S 10b5-1 | 5,820 | $9.14 | $53,195 | 66,038 Direct | -8.10% | Disposed | 1726.3% (price as of 2026-10-05) |
| Feb. 15, 2012 | ENTG | A | 41,624 | · | · | 41,624 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2012 | ENTG | A | 41,624 | · | · | 41,624 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2012 | ENTG | A | 16,224 | · | · | 71,858 Direct | +29.16% | Acquired | (price as of 2026-10-05) |
| Feb. 23, 2011 | ENTG | S 10b5-1 | 360 | $8.41 | $3,028 | 55,634 Direct | -0.64% | Disposed | 1884.8% (price as of 2026-10-05) |
| Feb. 22, 2011 | ENTG | M | 35,000 | $1.13 | $39,550 | 92,010 Direct | +61.39% | Acquired | 14671.7% (price as of 2026-10-05) |
| Feb. 22, 2011 | ENTG | M | 19,495 | $5.40 | $105,273 | 111,505 Direct | +21.19% | Acquired | 2991.1% (price as of 2026-10-05) |
| Feb. 22, 2011 | ENTG | S 10b5-1 | 72,680 | $8.83 | $641,764 | 38,825 Direct | -65.18% | Disposed | 1790.4% (price as of 2026-10-05) |
| Feb. 22, 2011 | ENTG | A | 17,169 | · | · | 55,994 Direct | +44.22% | Acquired | (price as of 2026-10-05) |
| Feb. 22, 2011 | ENTG | M | 35,000 | · | · | 35,000 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Feb. 22, 2011 | ENTG | M | 19,495 | · | · | 38,987 Direct | -33.34% | Disposed | (price as of 2026-10-05) |
| Feb. 22, 2011 | ENTG | A | 43,805 | · | · | 43,805 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 11, 2011 | ENTG | S | 4,170 | $8.85 | $36,904 | 57,010 Direct | -6.82% | Disposed | 1786.1% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.49 | $549 | 65,985 Direct | -0.15% | Disposed | 2940.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 600 | $5.49 | $3,294 | 66,085 Direct | -0.90% | Disposed | 2940.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 895 | $5.48 | $4,905 | 66,685 Direct | -1.32% | Disposed | 2946.0% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 900 | $5.47 | $4,923 | 67,580 Direct | -1.31% | Disposed | 2951.6% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 600 | $5.46 | $3,276 | 68,480 Direct | -0.87% | Disposed | 2957.1% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.45 | $545 | 69,080 Direct | -0.14% | Disposed | 2962.8% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 300 | $5.44 | $1,632 | 69,180 Direct | -0.43% | Disposed | 2968.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 200 | $5.43 | $1,086 | 69,480 Direct | -0.29% | Disposed | 2974.0% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 600 | $5.42 | $3,252 | 69,680 Direct | -0.85% | Disposed | 2979.7% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 400 | $5.41 | $2,164 | 70,280 Direct | -0.57% | Disposed | 2985.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.40 | $540 | 70,680 Direct | -0.14% | Disposed | 2991.1% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 500 | $5.39 | $2,695 | 70,780 Direct | -0.70% | Disposed | 2996.8% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.38 | $538 | 71,280 Direct | -0.14% | Disposed | 3002.6% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.37 | $537 | 71,380 Direct | -0.14% | Disposed | 3008.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 300 | $5.36 | $1,608 | 71,480 Direct | -0.42% | Disposed | 3014.2% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 300 | $5.35 | $1,605 | 71,780 Direct | -0.42% | Disposed | 3020.0% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 200 | $5.34 | $1,068 | 72,080 Direct | -0.28% | Disposed | 3025.8% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 800 | $5.31 | $4,248 | 72,280 Direct | -1.09% | Disposed | 3043.5% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.30 | $530 | 73,080 Direct | -0.14% | Disposed | 3049.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 300 | $5.30 | $1,590 | 73,180 Direct | -0.41% | Disposed | 3049.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 200 | $5.29 | $1,058 | 73,480 Direct | -0.27% | Disposed | 3055.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.28 | $528 | 73,680 Direct | -0.14% | Disposed | 3061.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 300 | $5.28 | $1,584 | 73,780 Direct | -0.40% | Disposed | 3061.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 600 | $5.27 | $3,162 | 74,080 Direct | -0.80% | Disposed | 3067.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 300 | $5.26 | $1,578 | 74,680 Direct | -0.40% | Disposed | 3073.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.24 | $524 | 74,980 Direct | -0.13% | Disposed | 3085.5% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 400 | $5.23 | $2,092 | 75,080 Direct | -0.53% | Disposed | 3091.6% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 300 | $5.22 | $1,566 | 75,480 Direct | -0.40% | Disposed | 3097.7% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 300 | $5.21 | $1,563 | 75,780 Direct | -0.39% | Disposed | 3103.8% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.20 | $520 | 76,080 Direct | -0.13% | Disposed | 3110.0% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.69 | $569 | 61,180 Direct | -0.16% | Disposed | 2833.6% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.68 | $568 | 61,280 Direct | -0.16% | Disposed | 2838.7% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 300 | $5.66 | $1,698 | 61,380 Direct | -0.49% | Disposed | 2849.1% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.65 | $565 | 61,680 Direct | -0.16% | Disposed | 2854.3% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.64 | $564 | 61,780 Direct | -0.16% | Disposed | 2859.6% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 300 | $5.62 | $1,686 | 61,880 Direct | -0.48% | Disposed | 2870.1% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 600 | $5.61 | $3,366 | 62,180 Direct | -0.96% | Disposed | 2875.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 400 | $5.60 | $2,240 | 62,780 Direct | -0.63% | Disposed | 2880.7% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 400 | $5.59 | $2,236 | 63,180 Direct | -0.63% | Disposed | 2886.0% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.58 | $558 | 63,580 Direct | -0.16% | Disposed | 2891.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 200 | $5.57 | $1,114 | 63,680 Direct | -0.31% | Disposed | 2896.8% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 500 | $5.56 | $2,780 | 63,880 Direct | -0.78% | Disposed | 2902.2% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 405 | $5.55 | $2,248 | 64,380 Direct | -0.63% | Disposed | 2907.6% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 500 | $5.54 | $2,770 | 64,785 Direct | -0.77% | Disposed | 2913.0% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.53 | $553 | 65,285 Direct | -0.15% | Disposed | 2918.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 400 | $5.52 | $2,208 | 65,385 Direct | -0.61% | Disposed | 2923.9% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.51 | $551 | 65,785 Direct | -0.15% | Disposed | 2929.4% (price as of 2026-10-05) |
| May 17, 2010 | ENTG | S 10b5-1 | 100 | $5.50 | $550 | 65,885 Direct | -0.15% | Disposed | 2934.9% (price as of 2026-10-05) |
| May 3, 2010 | ENTG | M | 22,646 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 3, 2010 | ENTG | S 10b5-1 | 22,646 | $6.66 | $150,822 | 76,180 Direct | -22.92% | Disposed | 2406.3% (price as of 2026-10-05) |
| May 3, 2010 | ENTG | M | 22,646 | $6.10 | $138,141 | 98,826 Direct | +29.73% | Acquired | 2636.4% (price as of 2026-10-05) |
| April 15, 2010 | ENTG | S 10b5-1 | 400 | $5.99 | $2,396 | 76,180 Direct | -0.52% | Disposed | 2686.6% (price as of 2026-10-05) |
| April 15, 2010 | ENTG | S 10b5-1 | 300 | $5.94 | $1,782 | 76,580 Direct | -0.39% | Disposed | 2710.1% (price as of 2026-10-05) |
| April 15, 2010 | ENTG | S 10b5-1 | 200 | $5.93 | $1,186 | 76,880 Direct | -0.26% | Disposed | 2714.8% (price as of 2026-10-05) |
| April 15, 2010 | ENTG | S 10b5-1 | 200 | $5.92 | $1,184 | 77,080 Direct | -0.26% | Disposed | 2719.6% (price as of 2026-10-05) |
| April 15, 2010 | ENTG | S 10b5-1 | 700 | $5.91 | $4,137 | 77,280 Direct | -0.90% | Disposed | 2724.4% (price as of 2026-10-05) |
| April 15, 2010 | ENTG | S 10b5-1 | 400 | $5.90 | $2,360 | 77,980 Direct | -0.51% | Disposed | 2729.2% (price as of 2026-10-05) |
| April 15, 2010 | ENTG | S 10b5-1 | 1,011 | $5.89 | $5,955 | 78,380 Direct | -1.27% | Disposed | 2734.0% (price as of 2026-10-05) |
| April 15, 2010 | ENTG | S 10b5-1 | 1,700 | $5.88 | $9,996 | 79,391 Direct | -2.10% | Disposed | 2738.8% (price as of 2026-10-05) |
| April 15, 2010 | ENTG | S 10b5-1 | 200 | $5.87 | $1,174 | 81,091 Direct | -0.25% | Disposed | 2743.6% (price as of 2026-10-05) |
| April 15, 2010 | ENTG | S 10b5-1 | 2,589 | $5.87 | $15,197 | 81,291 Direct | -3.09% | Disposed | 2743.6% (price as of 2026-10-05) |
| April 15, 2010 | ENTG | S 10b5-1 | 1,800 | $5.86 | $10,548 | 83,880 Direct | -2.10% | Disposed | 2748.5% (price as of 2026-10-05) |
| April 15, 2010 | ENTG | S 10b5-1 | 1,600 | $5.85 | $9,360 | 85,680 Direct | -1.83% | Disposed | 2753.3% (price as of 2026-10-05) |
| Jan. 21, 2009 | ENTG | S | 0 | $1.66 | · | 85,878 Direct | 0.00% | Disposed | 9955.4% (price as of 2026-10-05) |
Showing latest 100 of 410 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 |
|---|---|---|---|---|---|---|---|
| Feb. 10, 2015 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $13.49 | Feb. 19, 2022 | 31,256 | Acquired |
| Feb. 11, 2014 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $11.71 | Feb. 19, 2021 | 56,564 | Acquired |
| Feb. 12, 2013 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $9.88 | Feb. 19, 2020 | 59,364 | Acquired |
| Nov. 27, 2012 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $5.40 | Feb. 19, 2017 | 19,494 | Disposed |
| Nov. 27, 2012 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $7.07 | Feb. 21, 2015 | 41,405 | Disposed |
| Nov. 27, 2012 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $1.13 | Feb. 19, 2016 | 35,000 | Disposed |
| Sept. 17, 2012 | ENTG | Common Stock | Common Stock | $7.07 | Feb. 19, 2015 | 595 | Disposed |
| Feb. 15, 2012 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $9.27 | Feb. 19, 2019 | 41,624 | Acquired |
| Feb. 15, 2012 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $9.27 | Feb. 19, 2019 | 41,624 | Acquired |
| Feb. 22, 2011 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $1.13 | Feb. 19, 2016 | 35,000 | Disposed |
| Feb. 22, 2011 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $5.40 | Feb. 19, 2017 | 19,495 | Disposed |
| Feb. 22, 2011 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $8.76 | Feb. 19, 2018 | 43,805 | Acquired |
| May 3, 2010 | ENTG | Employee Stock Option (right to buy) | Common Stock | $6.10 | Dec. 7, 2010 | 22,646 | Disposed |
| March 12, 2010 | ENTG | Employee Stock Option (right to buy) | Common Stock | $1.13 | Feb. 19, 2016 | 34,900 | Disposed |
| March 11, 2010 | ENTG | Employee Stock Option (right to buy) | Common Stock | $1.13 | Feb. 19, 2016 | 100 | Disposed |
| Jan. 4, 2010 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $5.40 | Feb. 19, 2017 | 58,484 | Acquired |
| Jan. 4, 2010 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $5.40 | Feb. 19, 2017 | 58,484 | Acquired |
| Dec. 9, 2009 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $4.85 | Dec. 9, 2009 | 14,523 | Disposed |
| Feb. 10, 2009 | ENTG | Employee Stock Option (Right to Buy) | Common Stock | $1.13 | Feb. 19, 2016 | 105,000 | Acquired |
| Feb. 21, 2008 | ENTG | Employee Stock Option (right to buy) | Common Stock | $7.07 | Feb. 21, 2015 | 42,000 | Acquired |
| Aug. 6, 2005 | ENTG | Employee Stock Option (right to buy) | Common Stock | $11.12 | Dec. 4, 2011 | 69,500 | Acquired |
| Aug. 6, 2005 | ENTG | Employee Stock Option (right to buy) | Common Stock | $4.89 | Dec. 18, 2009 | 76,450 | Acquired |
| Aug. 6, 2005 | ENTG | Employee Stock Option (right to buy) | Common Stock | $8.35 | Nov. 29, 2008 | 55,600 | Acquired |
| Aug. 6, 2005 | ENTG | Employee Stock Option (right to buy) | Common Stock | $10.79 | Aug. 10, 2008 | 97,300 | Acquired |
| Aug. 6, 2005 | ENTG | Employee Stock Option (right to buy) | Common Stock | $10.79 | Aug. 10, 2007 | 695 | Acquired |
| Aug. 6, 2005 | ENTG | Employee Stock Option (right to buy) | Common Stock | $3.84 | Dec. 10, 2008 | 7,111 | Acquired |
| Aug. 6, 2005 | ENTG | Employee Stock Option (right to buy) | Common Stock | $4.66 | Dec. 9, 2009 | 14,522 | Acquired |
| Aug. 6, 2005 | ENTG | Employee Stock Option (right to buy) | Common Stock | $6.10 | Dec. 7, 2010 | 22,645 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 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 |
|---|---|---|---|---|---|---|---|---|
| 2015 | · | · | · | · | · | · | · | · |
| 2011 | · | · | · | · | · | · | · | · |
| 2005 | $2,005,200,520,042,003 | · | · | · | · | · | · | · |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.