WILLIAM C MARTIN Insider Trading Transactions

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of WILLIAM C MARTIN. WILLIAM C MARTIN is 10% Owner in CASTLE A M & CO ($CAS) and Director in TIDEWATER INC ($TDW) and 10% Owner in MRV COMMUNICATIONS INC ($MRVC) and 10% Owner in RENTECH, INC. ($RTK) and Director in VITESSE SEMICONDUCTOR CORP ($VTSS) and 10% Owner in GULFMARK OFFSHORE INC ($GLF) and Director in GULFMARK OFFSHORE INC ($GLF) and Director in IMMERSION CORP ($IMMR) and 10% Owner in INTERMOLECULAR INC ($IMI).

Over the past year WILLIAM C MARTIN has been an insider in 1 company. The total value of shares held by WILLIAM C MARTIN in this company amounts to $24,599,917.

WILLIAM C MARTIN 10% Owner
A. M. Castle & Co.
10% Owner, Director
GULFMARK OFFSHORE INC
Director
IMMERSION CORP
10% Owner
INTERMOLECULAR INC
10% Owner
MRV COMMUNICATIONS INC
10% Owner
RENTECH, INC.
Director
TIDEWATER INC
Director
VITESSE SEMICONDUCTOR CORP
$ 24599917 The total value of shares held by WILLIAM C MARTIN
Insider Rank

WILLIAM C MARTIN ranks 1,072 out of 350,000 insiders. Go to Insider Ranking to see more.

Latest Insider Trading Transactions of WILLIAM C MARTIN

1 Week2 Weeks1 Month3 Months6 Months1 Year2 Years
No. of Purchases0000001
Value of Purchases ($)0000000
No. of Sales000001216
Value of Sales ($)0000019,364,81826,653,778

Sentiment: All, CAS, GLF, IMMR, IMI, MRVC, RTK, TDW, VTSS

Page:   1

DateTickerCompanyOwnerRelationship Transaction Code Cost ($) Shares Transaction Value ($) Total Shares % Holdings
Feb 19 2021IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS12.72170,8992,172,9812,222,0892.4 M to 2.2 M (-7.14 %)
Feb 19 2021IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS13.02237,5003,091,0632,392,9882.6 M to 2.4 M (-9.03 %)
Dec 30 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS12.2155,603678,7012,630,4882.7 M to 2.6 M (-2.07 %)
Dec 30 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS9.681,093,71010,586,5662,686,0913.8 M to 2.7 M (-28.94 %)
Dec 28 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS9.003,13428,2063,779,8013.8 M to 3.8 M (-0.08 %)
Dec 28 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS9.013,35230,2093,782,9353.8 M to 3.8 M (-0.09 %)
Dec 28 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS9.003,13428,2063,779,8013.8 M to 3.8 M (-0.08 %)
Dec 28 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS9.013,35230,2093,782,9353.8 M to 3.8 M (-0.09 %)
Dec 22 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS9.21116,2951,070,9373,786,2873.9 M to 3.8 M (-2.98 %)
Dec 22 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS9.1550,124458,7603,902,5824 M to 3.9 M (-1.27 %)
Dec 18 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS9.0961,743561,4663,952,7064 M to 4 M (-1.54 %)
Dec 18 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS9.1668,473627,5144,014,4494.1 M to 4 M (-1.68 %)
Sep 04 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS9.1982,623759,4134,109,8174.2 M to 4.1 M (-1.97 %)
Sep 04 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS9.5367,810646,1684,192,4404.3 M to 4.2 M (-1.59 %)
Sep 04 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS10.30504,9805,201,6984,260,2504.8 M to 4.3 M (-10.60 %)
Sep 04 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorSellS10.1467,215681,6814,765,2304.8 M to 4.8 M (-1.39 %)
Jun 16 2020IMMRIMMERSION CORPMARTIN WILLIAM CDirectorGrantA0.0018,543032,03013.5 K to 32 K (+137.49 %)
Sep 24 2019IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerSellU1.2014,731,35117,677,621014.7 M to 0 (-100.00 %)
Aug 13 2019IMMRIMMERSION CORPMARTIN WILLIAM CDirectorGrantA0.0013,487013,4870 to 13.5 K
Nov 19 2018TDWTIDEWATER INCMARTIN WILLIAM CDirectorOption ExerciseA100.0064464,400644
Nov 19 2018TDWTIDEWATER INCMARTIN WILLIAM CDirectorOption ExerciseA100.0099,0979,909,70099,097
Nov 19 2018TDWTIDEWATER INCMARTIN WILLIAM CDirectorOption ExerciseA100.0065,7926,579,20065,792
Nov 19 2018TDWTIDEWATER INCMARTIN WILLIAM CDirectorGrantA0.00590590 to 59
Nov 19 2018TDWTIDEWATER INCMARTIN WILLIAM CDirectorGrantA0.002,413,37902,413,3790 to 2.4 M
Nov 19 2018TDWTIDEWATER INCMARTIN WILLIAM CDirectorGrantA0.006,08606,0860 to 6.1 K
Nov 19 2018GLFGULFMARK OFFSHORE ...MARTIN WILLIAM CDirectorOption ExerciseU100.0058658,6000
Nov 19 2018GLFGULFMARK OFFSHORE ...MARTIN WILLIAM CDirectorOption ExerciseU100.0090,0899,008,9000
Nov 19 2018GLFGULFMARK OFFSHORE ...MARTIN WILLIAM CDirectorOption ExerciseU100.0059,8115,981,1000
Nov 19 2018GLFGULFMARK OFFSHORE ...MARTIN WILLIAM CDirectorSellU0.00540054 to 0 (-100.00 %)
Nov 19 2018GLFGULFMARK OFFSHORE ...MARTIN WILLIAM CDirectorSellU0.002,193,981002.2 M to 0 (-100.00 %)
Nov 19 2018GLFGULFMARK OFFSHORE ...MARTIN WILLIAM CDirectorSellU0.005,533005.5 K to 0 (-100.00 %)
Dec 26 2017GLFGULFMARK OFFSHORE ...MARTIN WILLIAM CDirectorSellS19.008,334158,34608.3 K to 0 (-100.00 %)
Dec 07 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.0627,1071,5452,003,0592 M to 2 M (-1.34 %)
Dec 07 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.06292,89316,6952,030,1662.3 M to 2 M (-12.61 %)
Dec 07 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.0510,4915562,323,0592.3 M to 2.3 M (-0.45 %)
Dec 07 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.05113,3576,0082,333,5502.4 M to 2.3 M (-4.63 %)
Dec 04 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.063,4171972,446,9072.5 M to 2.4 M (-0.14 %)
Dec 04 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.0636,9192,1272,450,3242.5 M to 2.5 M (-1.48 %)
Dec 04 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.05168,0668,8572,487,2432.7 M to 2.5 M (-6.33 %)
Dec 04 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.05168,9678,9052,655,3092.8 M to 2.7 M (-5.98 %)
Nov 16 2017GLFGULFMARK OFFSHORE ...MARTIN WILLIAM C10% OwnerOption ExerciseJ100.0058658,600586
Nov 16 2017GLFGULFMARK OFFSHORE ...MARTIN WILLIAM C10% OwnerOption ExerciseJ100.00149,90014,990,000149,900
Nov 16 2017GLFGULFMARK OFFSHORE ...MARTIN WILLIAM C10% OwnerOption ExerciseX20.831,400,79629,178,5810
Nov 16 2017GLFGULFMARK OFFSHORE ...MARTIN WILLIAM C10% OwnerOption ExerciseJ20.831,400,79629,178,5811,400,796
Nov 16 2017GLFGULFMARK OFFSHORE ...MARTIN WILLIAM C10% OwnerBuyJ0.00540540 to 54
Nov 16 2017GLFGULFMARK OFFSHORE ...MARTIN WILLIAM C10% OwnerSellJ0.0020,0000020 K to 0 (-100.00 %)
Nov 16 2017GLFGULFMARK OFFSHORE ...MARTIN WILLIAM C10% OwnerBuyJ0.0013,867013,8670 to 13.9 K
Nov 16 2017GLFGULFMARK OFFSHORE ...MARTIN WILLIAM C10% OwnerBuyJ0.00706,78502,193,9811.5 M to 2.2 M (+47.52 %)
Nov 16 2017GLFGULFMARK OFFSHORE ...MARTIN WILLIAM C10% OwnerBuyJ0.0086,40001,487,1961.4 M to 1.5 M (+6.17 %)
Nov 16 2017GLFGULFMARK OFFSHORE ...MARTIN WILLIAM C10% OwnerBuyX20.831,400,79629,178,5811,400,7960 to 1.4 M
Nov 16 2017GLFGULFMARK OFFSHORE ...MARTIN WILLIAM C10% OwnerSellJ0.005,113,155005.1 M to 0 (-100.00 %)
Oct 17 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.20336,52168,4822,824,2763.2 M to 2.8 M (-10.65 %)
Oct 17 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.21147,06030,9713,160,7973.3 M to 3.2 M (-4.45 %)
Oct 12 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.23155,00035,3093,307,8573.5 M to 3.3 M (-4.48 %)
Oct 12 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.2390,01820,9473,462,8573.6 M to 3.5 M (-2.53 %)
Oct 12 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.26522,393133,6283,552,8754.1 M to 3.6 M (-12.82 %)
Oct 12 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.26152,29239,0634,075,2684.2 M to 4.1 M (-3.60 %)
Oct 12 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.2595,54523,8384,227,5604.3 M to 4.2 M (-2.21 %)
Oct 12 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerSellS0.2743,67611,8414,323,1054.4 M to 4.3 M (-1.00 %)
Aug 15 2017MRVCMRV COMMUNICATIONS ...MARTIN WILLIAM C10% OwnerSellU10.002,136,86421,368,64002.1 M to 0 (-100.00 %)
Mar 08 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerBuyP0.77441,285337,5834,366,7813.9 M to 4.4 M (+11.24 %)
Mar 08 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerBuyP0.7512,5769,4323,925,4963.9 M to 3.9 M (+0.32 %)
Mar 08 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerBuyP0.7953,64042,4513,912,9203.9 M to 3.9 M (+1.39 %)
Mar 02 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerBuyP0.7550,00037,6853,859,2803.8 M to 3.9 M (+1.31 %)
Mar 02 2017RTKRENTECH, INC.MARTIN WILLIAM C10% OwnerBuyP0.76122,55393,3983,809,2803.7 M to 3.8 M (+3.32 %)
Dec 19 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.04121,400126,34114,731,35114.6 M to 14.7 M (+0.83 %)
Dec 19 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.015,8005,85814,609,95114.6 M to 14.6 M (+0.04 %)
Dec 19 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.0076,89476,89414,604,15114.5 M to 14.6 M (+0.53 %)
Dec 19 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP0.9910,20010,14214,527,25714.5 M to 14.5 M (+0.07 %)
Nov 22 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.0040040014,517,05714.5 M to 14.5 M (0.00 %)
Nov 22 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.0040040014,517,05714.5 M to 14.5 M (0.00 %)
Nov 17 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.0052,94852,94814,516,65714.5 M to 14.5 M (+0.37 %)
Nov 17 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP0.84937,504790,97214,463,70913.5 M to 14.5 M (+6.93 %)
Nov 07 2016CASCASTLE A M & COMARTIN WILLIAM C10% OwnerSellS0.104,630,795463,08004.6 M to 0 (-100.00 %)
Aug 16 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.2510,94413,67813,526,20513.5 M to 13.5 M (+0.08 %)
Aug 11 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.2429,03236,09013,515,26113.5 M to 13.5 M (+0.22 %)
Aug 11 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.1732,48138,01313,486,22913.5 M to 13.5 M (+0.24 %)
Aug 11 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.1973,42187,12913,453,74813.4 M to 13.5 M (+0.55 %)
Aug 11 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.1015,50017,01013,380,32713.4 M to 13.4 M (+0.12 %)
Aug 11 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.1168,00075,46613,364,82713.3 M to 13.4 M (+0.51 %)
Aug 11 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.0532,00033,54913,296,82713.3 M to 13.3 M (+0.24 %)
Aug 11 2016IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.001,915,2001,915,20013,264,82711.3 M to 13.3 M (+16.87 %)
Jan 04 2016GLFGULFMARK OFFSHORE ...MARTIN WILLIAM CDirectorBuyP4.8420,00096,77020,0000 to 20 K
Sep 25 2015IMIINTERMOLECULAR INCMARTIN WILLIAM C10% OwnerBuyP1.75283,913497,78511,349,62711.1 M to 11.3 M (+2.57 %)
Jun 25 2015MRVCMRV COMMUNICATIONS ...MARTIN WILLIAM C10% OwnerBuyP10.441,20012,5332,136,8642.1 M to 2.1 M (+0.06 %)
Jun 25 2015MRVCMRV COMMUNICATIONS ...MARTIN WILLIAM C10% OwnerBuyP11.00600,0006,599,6402,135,6641.5 M to 2.1 M (+39.07 %)
Apr 29 2015VTSSVITESSE SEMICONDUC ...MARTIN WILLIAM CDirectorSellU5.2814,321,12775,615,551014.3 M to 0 (-100.00 %)
Mar 03 2015CASCASTLE A M & C ...MARTIN WILLIAM C10% OwnerBuyP3.03786,1122,379,9544,630,7953.8 M to 4.6 M (+20.45 %)

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