SEC CIK 1197453

WALCOTT PETER W

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
ENTGview stock →82,6552016-02-19

Position History — ENTG

Reported shares owned immediately after each Form 4 transaction, over time.

051,320102,641153,9612006-012008-062008-092009-022010-022010-052014-022016-02

Recent Filings — ENTG

DateActivitySharesPriceOwned After
2016-02-19Tax withholding4,805$12.1182,655
2015-02-19Tax withholding4,995$13.7087,460
2015-02-10Grant / award (derivative)31,256$0.0031,256
2015-02-10Grant / award11,916$0.0092,455
2014-02-19Tax withholding6,338$12.0180,539
2014-02-11Grant / award (derivative)56,564$0.0056,564
2014-02-11Grant / award12,836$0.0086,877
2013-02-20Open-market sale8,609$9.8074,041
2013-02-12Grant / award (derivative)59,364$0.0059,364
2013-02-12Grant / award15,224$0.0082,650
2012-11-27Option exercise (derivative)19,494$0.0019,495
2012-11-27Option exercise (derivative)41,405$0.000
2012-11-27Option exercise41,405$7.07108,831
2012-11-27Option exercise19,494$5.4086,920
2012-11-27Open-market sale35,000$8.7767,426
2012-11-27Option exercise35,000$1.13102,426
2012-09-17Option exercise (derivative)595$0.0041,405
2012-09-17Open-market sale595$9.0767,426
2012-09-17Option exercise595$7.0768,021
2012-02-22Open-market sale1,420$9.1464,618
2012-02-22Open-market sale5,820$9.1466,038
2012-02-15Grant / award (derivative)41,624$0.0041,624
2012-02-15Grant / award16,224$0.0071,858
2012-02-15Grant / award (derivative)41,624$0.0041,624
2011-02-23Open-market sale360$8.4255,634
2011-02-22Grant / award (derivative)43,805$0.0043,805
2011-02-22Option exercise (derivative)19,495$0.0038,987
2011-02-22Option exercise (derivative)35,000$0.0035,000
2011-02-22Option exercise35,000$1.1392,010
2011-02-22Option exercise19,495$5.40111,505
2011-02-22Open-market sale72,680$8.8338,825
2011-02-22Grant / award17,169$0.0055,994
2011-02-11Open-market sale4,170$8.8557,010
2010-05-17Open-market sale600$5.4966,085
2010-05-17Open-market sale895$5.4866,685
2010-05-17Open-market sale900$5.4767,580
2010-05-17Open-market sale600$5.4668,480
2010-05-17Open-market sale100$5.4569,080
2010-05-17Open-market sale300$5.4469,180
2010-05-17Open-market sale200$5.4369,480
2010-05-17Open-market sale600$5.4269,680
2010-05-17Open-market sale400$5.4170,280
2010-05-17Open-market sale100$5.4070,680
2010-05-17Open-market sale500$5.3970,780
2010-05-17Open-market sale100$5.3871,280
2010-05-17Open-market sale100$5.3771,380
2010-05-17Open-market sale300$5.3671,480
2010-05-17Open-market sale300$5.3571,780
2010-05-17Open-market sale200$5.3472,080
2010-05-17Open-market sale800$5.3172,280
2010-05-17Open-market sale100$5.3073,080
2010-05-17Open-market sale300$5.3073,180
2010-05-17Open-market sale200$5.2973,480
2010-05-17Open-market sale100$5.2873,680
2010-05-17Open-market sale300$5.2873,780
2010-05-17Open-market sale600$5.2774,080
2010-05-17Open-market sale300$5.2674,680
2010-05-17Open-market sale100$5.2474,980
2010-05-17Open-market sale400$5.2375,080
2010-05-17Open-market sale300$5.2275,480
2010-05-17Open-market sale100$5.4965,985
2010-05-17Open-market sale300$5.2175,780
2010-05-17Open-market sale100$5.2076,080
2010-05-17Open-market sale100$5.6861,280
2010-05-17Open-market sale300$5.6661,380
2010-05-17Open-market sale100$5.6561,680
2010-05-17Open-market sale100$5.6461,780
2010-05-17Open-market sale300$5.6261,880
2010-05-17Open-market sale600$5.6162,180
2010-05-17Open-market sale400$5.6062,780
2010-05-17Open-market sale400$5.5963,180
2010-05-17Open-market sale100$5.5863,580
2010-05-17Open-market sale200$5.5763,680
2010-05-17Open-market sale500$5.5663,880
2010-05-17Open-market sale405$5.5564,380
2010-05-17Open-market sale500$5.5464,785
2010-05-17Open-market sale100$5.5365,285
2010-05-17Open-market sale400$5.5265,385
2010-05-17Open-market sale100$5.5165,785
2010-05-17Open-market sale100$5.6961,180
2010-05-17Open-market sale100$5.5065,885
2010-05-03Option exercise (derivative)22,646$0.000
2010-05-03Open-market sale22,646$6.6676,180
2010-05-03Option exercise22,646$6.1098,826
2010-04-15Open-market sale400$5.9976,180
2010-04-15Open-market sale300$5.9476,580
2010-04-15Open-market sale200$5.9376,880
2010-04-15Open-market sale200$5.9277,080
2010-04-15Open-market sale700$5.9177,280
2010-04-15Open-market sale400$5.9077,980
2010-04-15Open-market sale1,011$5.8978,380
2010-04-15Open-market sale1,700$5.8879,391
2010-04-15Open-market sale200$5.8781,091
2010-04-15Open-market sale2,589$5.8781,291
2010-04-15Open-market sale1,800$5.8683,880
2010-04-15Open-market sale1,600$5.8585,680
2010-04-15Open-market sale200$5.8487,280
2010-04-15Open-market sale500$5.8387,480
2010-04-15Open-market sale300$5.8287,980
2010-04-15Open-market sale99$5.8188,280
2010-04-15Open-market sale300$5.7390,880
2010-04-15Open-market sale400$5.7490,480
2010-04-15Open-market sale1,800$5.8088,379
2010-04-15Open-market sale301$5.7990,179
2010-03-15Open-market sale600$5.0298,080
2010-03-15Open-market sale1,400$5.0198,680
2010-03-15Open-market sale100$5.00100,080
2010-03-15Open-market sale1,600$5.00100,180
2010-03-15Open-market sale1,600$4.99101,780
2010-03-15Open-market sale1,200$4.98103,380
2010-03-15Open-market sale1,200$4.97104,580
2010-03-15Open-market sale400$4.96105,780
2010-03-15Open-market sale300$5.2791,180
2010-03-15Open-market sale200$5.2691,480
2010-03-15Open-market sale400$5.2591,680
2010-03-15Open-market sale800$5.2192,080
2010-03-15Open-market sale900$5.1692,880
2010-03-15Open-market sale500$5.1593,780
2010-03-15Open-market sale800$5.1394,280
2010-03-15Open-market sale400$5.1295,080
2010-03-15Open-market sale200$5.1195,480
2010-03-15Open-market sale500$5.0795,680
2010-03-15Open-market sale600$5.0696,180
2010-03-15Open-market sale100$5.0596,780
2010-03-15Open-market sale400$5.0496,880
2010-03-15Open-market sale800$5.0397,280
2010-03-12Option exercise (derivative)34,900$0.0070,000
2010-03-12Option exercise34,900$1.13141,080
2010-03-12Open-market sale28,991$5.27112,089
2010-03-12Open-market sale300$5.27111,789
2010-03-12Open-market sale455$5.28111,334
2010-03-12Open-market sale1,900$5.28109,434
2010-03-12Open-market sale2,000$5.28107,434
2010-03-12Open-market sale1,254$5.29106,180
2010-03-11Option exercise (derivative)100$0.00104,900
2010-03-11Open-market sale100$5.27106,180
2010-03-11Option exercise100$1.13106,280
2010-02-24Open-market sale290$4.61114,580
2010-02-24Open-market sale100$4.60114,870
2010-02-24Open-market sale300$4.73106,180
2010-02-24Open-market sale1,000$4.58114,970
2010-02-24Open-market sale530$4.57115,970
2010-02-24Open-market sale400$4.55116,500
2010-02-24Open-market sale185$4.54116,900
2010-02-24Open-market sale1,037$4.69110,843
2010-02-24Open-market sale1,800$4.64111,880
2010-02-24Open-market sale400$4.63113,780
2010-02-24Open-market sale2,100$4.72106,480
2010-02-24Open-market sale300$4.53117,085
2010-02-24Open-market sale100$4.63113,680
2010-02-24Open-market sale800$4.71108,580
2010-02-23Open-market sale400$4.62114,180
2010-02-23Open-market sale1,463$4.70109,380
2010-01-21Open-market sale600$4.81117,685
2010-01-21Open-market sale200$4.79119,617
2010-01-21Open-market sale100$4.76119,817
2010-01-21Open-market sale300$4.84117,385
2010-01-21Open-market sale1,332$4.80118,285
2010-01-14Open-market sale300$4.92127,017
2010-01-14Open-market sale1,500$4.94125,117
2010-01-14Open-market sale400$4.93126,617
2010-01-14Open-market sale1,900$4.91127,317
2010-01-14Open-market sale900$4.95124,217
2010-01-14Open-market sale600$4.96123,617
2010-01-14Open-market sale2,659$4.97120,958
2010-01-14Open-market sale100$4.98120,858
2010-01-14Open-market sale100$4.87131,465
2010-01-14Open-market sale1,000$4.88130,465
2010-01-14Open-market sale200$4.89130,265
2010-01-14Open-market sale1,048$4.90129,217
2010-01-14Open-market sale1,700$4.87133,565
2010-01-14Open-market sale100$4.86133,265
2010-01-14Open-market sale400$5.00119,917
2010-01-14Open-market sale100$4.99120,317
2010-01-14Open-market sale441$4.98120,417
2010-01-04Grant / award (derivative)58,484$0.00297,630
2010-01-04Grant / award29,242$0.00133,365
2010-01-04Grant / award (derivative)58,484$0.0058,484
2009-12-10Open-market sale400$4.76116,623
2009-12-10Open-market sale200$4.73118,923
2009-12-10Open-market sale400$4.74118,523
2009-12-10Open-market sale1,500$4.75117,023
2009-12-10Open-market sale300$4.77116,323
2009-12-10Open-market sale100$4.79116,223
2009-12-10Open-market sale100$4.80116,123
2009-12-10Open-market sale1,500$4.81114,623
2009-12-10Open-market sale800$4.82113,823
2009-12-10Open-market sale300$4.83113,523
2009-12-10Open-market sale1,100$4.84112,423
2009-12-10Open-market sale1,700$4.85110,723
2009-12-10Open-market sale3,500$4.86107,223
2009-12-10Open-market sale2,100$4.87105,123
2009-12-10Open-market sale500$4.88104,623
2009-12-10Open-market sale300$4.89104,323
2009-12-10Open-market sale100$4.91104,223
2009-12-10Open-market sale100$4.92104,123
2009-12-09Option exercise (derivative)14,523—0
2009-12-09Option exercise14,523$4.65133,646
2009-12-09Open-market sale14,523$4.85119,123
2009-07-28Grant / award37,500$0.00119,123
2009-02-24Open-market sale100$0.6681,923
2009-02-24Open-market sale200$0.6582,023
2009-02-24Open-market sale51$0.6482,223
2009-02-24Open-market sale200$0.9482,544
2009-02-24Open-market sale21$0.9082,744
2009-02-24Open-market sale74$0.9082,765
2009-02-24Open-market sale100$0.8982,839
2009-02-24Open-market sale200$0.6681,723
2009-02-24Open-market sale100$0.6781,623
2009-02-24Open-market sale270$0.6282,274
2009-02-10Grant / award (derivative)105,000$0.00330,119
2009-01-22Open-market sale131$1.5382,939
2009-01-21Open-market sale100$1.6887,378
2009-01-21Open-market sale100$1.6287,478
2009-01-21Open-market sale100$1.6087,578
2009-01-21Open-market sale100$1.5987,678
2009-01-21Open-market sale208$1.5887,778
2009-01-21Open-market sale200$1.5787,986
2009-01-21Open-market sale300$1.5688,186
2009-01-21Open-market sale200$1.5388,486
2009-01-21Open-market sale2,808$1.6683,070
2009-01-21Open-market sale100$1.8285,878
2009-01-21Open-market sale400$1.7785,978
2009-01-21Open-market sale100$1.7686,378
2009-01-21Open-market sale300$1.7286,478
2009-01-21Open-market sale200$1.7186,778
2009-01-21Open-market sale200$1.7086,978
2009-01-21Open-market sale200$1.6987,178
2009-01-21Open-market sale0$1.6685,878
2009-01-14Grant / award13,448$0.0088,686
2009-01-14Grant / award13,448$0.0088,686
2009-01-05Open-market sale38$2.2075,838
2009-01-05Open-market sale100$2.1876,876
2009-01-05Open-market sale1,000$2.1975,876
2009-01-05Open-market sale200$2.1776,976
2009-01-05Open-market sale100$2.2275,738
2009-01-05Open-market sale100$2.2275,638
2009-01-05Open-market sale200$2.2575,438
2009-01-05Open-market sale100$2.1677,176
2009-01-05Open-market sale200$2.2975,238
2008-10-16Open-market sale3,700$3.4178,476
2008-10-16Open-market sale100$3.4182,176
2008-10-16Open-market sale2,500$3.4082,276
2008-10-16Open-market sale700$3.3984,776
2008-10-16Open-market sale400$3.3885,476
2008-10-16Open-market sale100$3.3785,876
2008-10-16Open-market sale2,228$3.3685,976
2008-10-16Open-market sale800$3.3388,204
2008-10-16Open-market sale700$3.3289,004
2008-10-16Open-market sale100$3.3289,704
2008-10-16Open-market sale1,400$3.3189,804
2008-10-16Open-market sale378$3.2991,204
2008-10-16Open-market sale700$3.2891,582
2008-10-16Open-market sale30$3.2792,282
2008-10-16Open-market sale3,000$3.2692,312
2008-10-16Open-market sale200$3.2495,312
2008-10-16Open-market sale1,200$3.4377,276
2008-10-03Open-market sale400$4.4096,312
2008-10-03Open-market sale100$4.3997,012
2008-10-03Open-market sale283$4.3897,112
2008-10-03Open-market sale100$4.4895,512
2008-10-03Open-market sale300$4.3996,712
2008-10-03Open-market sale300$4.4695,612
2008-10-03Open-market sale200$4.4296,112
2008-10-03Open-market sale200$4.4495,912
2008-09-16Open-market sale600$5.07107,057
2008-09-16Open-market sale600$5.06107,657
2008-09-16Open-market sale700$5.04108,257
2008-09-16Open-market sale300$5.03108,957
2008-09-16Open-market sale1,200$5.2297,395
2008-09-16Open-market sale600$5.1998,595
2008-09-16Open-market sale100$5.1899,195
2008-09-16Open-market sale962$5.1799,295
2008-09-16Open-market sale300$5.16100,257
2008-09-16Open-market sale800$5.15100,557
2008-09-16Open-market sale200$5.14101,357
2008-09-16Open-market sale100$5.14101,557
2008-09-16Open-market sale1,200$5.13101,657
2008-09-16Open-market sale300$5.13102,857
2008-09-16Open-market sale300$5.12103,157
2008-09-16Open-market sale1,200$5.11103,457
2008-09-16Open-market sale200$5.10104,657
2008-09-16Open-market sale1,000$5.09104,857
2008-09-16Open-market sale700$5.09105,857
2008-09-16Open-market sale100$5.08106,557
2008-09-16Open-market sale400$5.07106,657
2008-08-18Open-market sale7$6.64117,057
2008-08-18Open-market sale170$6.63117,064
2008-08-18Open-market sale988$6.62117,234
2008-08-18Open-market sale100$6.61118,222
2008-08-18Open-market sale1,400$6.76109,257
2008-08-18Open-market sale200$6.71110,657
2008-08-18Open-market sale45$6.71110,857
2008-08-18Open-market sale600$6.70111,902
2008-08-18Open-market sale100$6.70111,502
2008-08-18Open-market sale1,100$6.69111,602
2008-08-18Open-market sale200$6.69112,702
2008-08-18Open-market sale1,800$6.68112,902
2008-08-18Open-market sale200$6.68114,702
2008-08-18Open-market sale1,300$6.67114,902
2008-08-18Open-market sale855$6.66116,202
2008-07-16Open-market sale400$6.57123,150
2008-07-16Open-market sale400$6.54123,591
2008-07-16Open-market sale1,100$6.53123,991
2008-07-16Open-market sale359$6.52125,091
2008-07-16Open-market sale1,600$6.51125,450
2008-07-16Open-market sale400$6.58122,750
2008-07-16Open-market sale528$6.59122,222
2008-07-16Open-market sale200$6.60122,022
2008-07-16Open-market sale1,800$6.61120,222
2008-07-16Open-market sale1,900$6.62118,322
2008-07-16Open-market sale500$6.50127,050
2008-07-16Open-market sale41$6.55123,550
2008-07-03Open-market sale100$6.56127,650
2008-07-03Open-market sale100$6.59127,550
2008-07-03Open-market sale300$6.54127,750
2008-07-03Open-market sale400$6.52128,450
2008-07-03Open-market sale391$6.51128,850
2008-07-03Open-market sale400$6.53128,050
2008-06-16Open-market sale100$7.46136,499
2008-06-16Open-market sale500$7.82129,641
2008-06-16Open-market sale400$7.81130,141
2008-06-16Open-market sale400$7.80130,541
2008-06-16Open-market sale100$7.79130,941
2008-06-16Open-market sale1,000$7.78131,041
2008-06-16Open-market sale58$7.77132,041
2008-06-16Open-market sale300$7.76132,099
2008-06-16Open-market sale400$7.75132,399
2008-06-16Open-market sale300$7.74132,799
2008-06-16Open-market sale1,000$7.71133,099
2008-06-16Open-market sale300$7.67134,099
2008-06-16Open-market sale700$7.66134,399
2008-06-16Open-market sale400$7.62135,099
2008-06-16Open-market sale600$7.58135,499
2008-06-16Open-market sale400$7.48136,099
2008-06-16Open-market sale400$7.83129,241
2008-06-16Open-market sale500$7.44136,599
2008-03-12Grant / award7,663$0.00137,099
2008-02-21Grant / award (derivative)42,000$0.0042,000
2008-01-23Open-market sale2,480$6.96129,436
2008-01-03Open-market sale499$8.57132,016
2008-01-03Open-market sale1,200$8.56132,515
2008-01-03Open-market sale206$8.55133,715
2008-01-03Open-market sale6$8.54133,921
2008-01-03Open-market sale94$8.52133,927
2008-01-03Open-market sale100$8.58131,916
2007-12-12Open-market sale4,390$9.30134,021
2007-10-03Open-market sale1,680$8.77138,411
2007-08-23Open-market sale7,005$9.08140,091
2007-07-03Open-market sale1,725$11.92147,096
2007-04-04Open-market sale1,690$10.97148,821
2007-03-26Tax withholding2,067$10.74150,511
2007-03-23Grant / award6,313$0.00152,578
2007-02-19Grant / award6,000$0.00146,265
2007-01-23Open-market sale2,132$10.39140,265
2007-01-04Open-market sale2,035$10.61142,397
2006-12-12Open-market sale4,409$10.77144,432
2006-10-03Open-market sale1,705$10.58148,841
2006-07-05Open-market sale49$9.46150,546
2006-07-05Open-market sale499$9.45150,595
2006-07-05Open-market sale310$9.38151,094
2006-07-05Open-market sale465$9.12151,786
2006-07-05Open-market sale75$9.13151,711
2006-07-05Open-market sale35$9.33151,676
2006-07-05Open-market sale272$9.34151,404
2006-04-04Open-market sale1,710$10.40152,251
2006-01-18Grant / award25,000$0.00153,961
2006-01-04Open-market sale198$9.50140,815
2006-01-04Open-market sale127$9.49141,013
2006-01-04Open-market sale7$9.4714,140
2006-01-04Open-market sale5$9.46141,147
2006-01-04Open-market sale28$9.73128,961
2006-01-04Open-market sale141$9.72128,990
2006-01-04Open-market sale106$9.71129,131
2006-01-04Open-market sale205$9.70129,237
2006-01-04Open-market sale384$9.69129,442
2006-01-04Open-market sale455$9.68129,826
2006-01-04Open-market sale163$9.67130,281
2006-01-04Open-market sale617$9.66130,444
2006-01-04Open-market sale570$9.65131,061
2006-01-04Open-market sale381$9.64131,631
2006-01-04Open-market sale664$9.63132,012
2006-01-04Open-market sale839$9.62132,676
2006-01-04Open-market sale907$9.61133,515
2006-01-04Open-market sale1,212$9.60134,422
2006-01-04Open-market sale745$9.59135,634
2006-01-04Open-market sale733$9.58136,379
2006-01-04Open-market sale314$9.57137,112
2006-01-04Open-market sale459$9.56137,426
2006-01-04Open-market sale647$9.55137,885
2006-01-04Open-market sale520$9.54138,532
2006-01-04Open-market sale353$9.53139,052
2006-01-04Open-market sale1,062$9.52139,405
2006-01-04Open-market sale348$9.51140,467
2006-01-04Open-market sale7$9.47141,140

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.