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MILLSTONE DAVID J.

Insider CIK 1572610 · GRA 10% owner · MFRM 10% owner · GCP 10% owner

Track record PRO

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Track record
See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.
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Trades across companies

TickerCodeTradeFiledSharesPriceValueOwned after
GCP GCP Applied Technologies I J Other2022-09-272022-09-282,727,519$32.00 $87.28M0SEC↗
GCP GCP Applied Technologies I J Other2022-09-272022-09-282,386,285$32.00 $76.36M0SEC↗
GRA W R GRACE & CO J Other2021-09-222021-09-229,865,008$70.00 $690.55M0SEC↗
GRA W R GRACE & CO P Buy2019-08-262019-08-27400$65.00 $26.0K9,865,008SEC↗
GRA W R GRACE & CO P Buy2019-08-232019-08-2728,087$64.86 $1.82M9,864,608SEC↗
GRA W R GRACE & CO P Buy2019-08-222019-08-2250,000$64.62 $3.23M9,836,521SEC↗
GRA W R GRACE & CO P Buy2019-08-212019-08-2218,108$64.87 $1.17M9,786,521SEC↗
GRA W R GRACE & CO P Buy2019-08-202019-08-2238,500$64.59 $2.49M9,768,413SEC↗
GRA W R GRACE & CO P Buy2019-08-192019-08-1912,000$64.97 $779.6K9,729,913SEC↗
GRA W R GRACE & CO P Buy2019-08-162019-08-1939,500$64.72 $2.56M9,717,913SEC↗
GRA W R GRACE & CO P Buy2019-08-152019-08-1930,300$64.49 $1.95M9,663,637SEC↗
GRA W R GRACE & CO P Buy2019-08-152019-08-1914,776$64.29 $949.9K9,678,413SEC↗
GRA W R GRACE & CO P Buy2019-08-142019-08-1421,524$64.09 $1.38M9,511,241SEC↗
GRA W R GRACE & CO P Buy2019-08-142019-08-1454,476$63.49 $3.46M9,489,717SEC↗
GRA W R GRACE & CO P Buy2019-08-142019-08-14122,096$63.27 $7.73M9,633,337SEC↗
GRA W R GRACE & CO P Buy2019-08-132019-08-1466,028$64.87 $4.28M9,435,241SEC↗
GRA W R GRACE & CO P Buy2019-08-122019-08-1424,703$64.91 $1.60M9,369,213SEC↗
GRA W R GRACE & CO P Buy2018-12-272018-12-2761,086$61.87 $3.78M9,344,510SEC↗
GRA W R GRACE & CO P Buy2018-12-262018-12-27141,300$60.17 $8.50M9,272,124SEC↗
GRA W R GRACE & CO P Buy2018-12-262018-12-2710,200$61.41 $626.4K9,282,324SEC↗
GRA W R GRACE & CO P Buy2018-12-262018-12-271,100$61.94 $68.1K9,283,424SEC↗
GRA W R GRACE & CO P Buy2018-12-242018-12-2720,034$60.44 $1.21M9,130,824SEC↗
GRA W R GRACE & CO P Buy2018-12-212018-12-215,700$61.58 $351.0K9,110,790SEC↗
GRA W R GRACE & CO P Buy2018-12-212018-12-21381,390$60.96 $23.25M9,105,090SEC↗
GRA W R GRACE & CO P Buy2018-12-202018-12-21100$61.80 $6.2K8,638,700SEC↗
GRA W R GRACE & CO P Buy2018-12-202018-12-2135,000$61.17 $2.14M8,723,700SEC↗
GRA W R GRACE & CO P Buy2018-12-202018-12-2150,000$61.00 $3.05M8,688,700SEC↗
GRA W R GRACE & CO P Buy2018-12-202018-12-21307,500$61.10 $18.79M8,638,600SEC↗
GRA W R GRACE & CO P Buy2018-12-192018-12-2120,000$61.11 $1.22M8,331,100SEC↗
GRA W R GRACE & CO P Buy2018-12-192018-12-2193,614$61.29 $5.74M8,311,100SEC↗
GRA W R GRACE & CO P Buy2018-12-182018-12-1810,000$60.51 $605.1K8,217,486SEC↗
GRA W R GRACE & CO P Buy2018-12-182018-12-1815,414$61.05 $941.0K8,207,486SEC↗
GRA W R GRACE & CO P Buy2018-12-182018-12-18101,711$60.67 $6.17M8,192,072SEC↗
GRA W R GRACE & CO P Buy2018-12-172018-12-1868,168$60.56 $4.13M7,935,361SEC↗
GRA W R GRACE & CO P Buy2018-12-172018-12-18165,458$59.59 $9.86M7,867,193SEC↗
GRA W R GRACE & CO P Buy2018-12-172018-12-1850,000$60.35 $3.02M8,090,361SEC↗
GRA W R GRACE & CO P Buy2018-12-172018-12-18105,000$60.28 $6.33M8,040,361SEC↗
GRA W R GRACE & CO P Buy2018-12-142018-12-1888,913$61.03 $5.43M7,526,735SEC↗
GRA W R GRACE & CO P Buy2018-12-142018-12-18175,000$61.18 $10.71M7,701,735SEC↗
GRA W R GRACE & CO P Buy2018-12-132018-12-1385,525$61.36 $5.25M7,412,822SEC↗
GRA W R GRACE & CO P Buy2018-12-132018-12-1325,000$61.35 $1.53M7,437,822SEC↗
GRA W R GRACE & CO P Buy2018-12-122018-12-1360,100$61.40 $3.69M7,327,297SEC↗
GRA W R GRACE & CO P Buy2018-12-112018-12-1327,197$61.21 $1.66M7,227,197SEC↗
GRA W R GRACE & CO P Buy2018-12-112018-12-1340,000$61.24 $2.45M7,267,197SEC↗
GRA W R GRACE & CO P Buy2018-12-102018-12-102,800$60.99 $170.8K7,200,000SEC↗
GRA W R GRACE & CO P Buy2018-12-102018-12-1044,309$61.18 $2.71M7,167,248SEC↗
GRA W R GRACE & CO P Buy2018-12-102018-12-1069,300$60.41 $4.19M7,122,939SEC↗
GRA W R GRACE & CO P Buy2018-12-102018-12-1029,952$60.28 $1.81M7,197,200SEC↗
GRA W R GRACE & CO P Buy2018-12-072018-12-1017,504$61.60 $1.08M6,837,791SEC↗
GRA W R GRACE & CO P Buy2018-12-072018-12-1094,948$61.17 $5.81M6,820,287SEC↗
GRA W R GRACE & CO P Buy2018-12-072018-12-1050,000$60.99 $3.05M7,053,639SEC↗
GRA W R GRACE & CO P Buy2018-12-072018-12-1027,248$61.21 $1.67M7,003,639SEC↗
GRA W R GRACE & CO P Buy2018-12-072018-12-10138,600$61.26 $8.49M6,976,391SEC↗
GRA W R GRACE & CO P Buy2018-12-062018-12-1026,364$61.40 $1.62M6,725,339SEC↗
MFRM MATTRESS FIRM HOLDING CORP P Buy2016-08-022016-08-0320,608$29.17 $601.1K2,057,600SEC↗
MFRM MATTRESS FIRM HOLDING CORP P Buy2016-08-012016-08-0332,990$29.11 $960.3K2,036,992SEC↗
MFRM MATTRESS FIRM HOLDING CORP P Buy2016-07-292016-08-0111,200$28.84 $323.0K2,004,002SEC↗
MFRM MATTRESS FIRM HOLDING CORP P Buy2016-07-282016-08-0126,300$29.19 $767.7K1,992,802SEC↗
MFRM MATTRESS FIRM HOLDING CORP P Buy2016-07-272016-07-28326,775$29.74 $9.72M1,966,502SEC↗
MFRM MATTRESS FIRM HOLDING CORP P Buy2016-07-262016-07-2875,000$30.12 $2.26M1,639,727SEC↗
MFRM MATTRESS FIRM HOLDING CORP P Buy2016-07-192016-07-2178,310$30.64 $2.40M1,564,727SEC↗
MFRM MATTRESS FIRM HOLDING CORP P Buy2016-06-272016-06-2817,500$32.57 $570.0K1,486,417SEC↗
MFRM MATTRESS FIRM HOLDING CORP P Buy2016-06-242016-06-2831,200$32.31 $1.01M1,468,917SEC↗
MFRM MATTRESS FIRM HOLDING CORP P Buy2016-06-172016-06-203,905$32.86 $128.3K1,437,717SEC↗
MFRM MATTRESS FIRM HOLDING CORP P Buy2016-06-172016-06-2064,051$32.39 $2.07M1,433,812SEC↗
MFRM MATTRESS FIRM HOLDING CORP P Buy2016-06-162016-06-2061,000$32.46 $1.98M1,369,761SEC↗