Insider Screener
Real-time Form 4 Filtering Engine
| Filing Date | Trade Date | Ticker | Company Name | Reporting Person | Relationship | Industry (by SEC) | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021-03-16 00:51 | 2021-03-11 | BLI | N/A | MARKS MICHAEL E | Director | Other | SALE | $54.97 | 28,260 | $1,553,512 | 1,114,142 | -2.5% |
| 2021-03-12 02:43 | 2021-03-09 | BLI | N/A | MARKS MICHAEL E | Director | Other | SALE | $53.19 | 130,000 | $6,914,141 | 1,142,402 | -10.2% |
| 2021-03-06 05:40 | 2021-03-03 | BLI | N/A | MARKS MICHAEL E | Director | Other | SALE | $61.54 | 1,740 | $107,083 | 1,272,402 | -0.1% |
| 2021-03-04 05:52 | 2021-03-01 | BLI | N/A | MARKS MICHAEL E | Director | Other | SALE | $62.33 | 40,000 | $2,493,068 | 1,274,142 | -3.0% |
| 2020-12-19 04:28 | 2020-12-10 | BLI | N/A | MARKS MICHAEL E | Director | Other | SALE | $82.56 | 55,162 | $4,554,175 | 3,700,007 | -1.5% |
| 2020-11-25 22:08 | 2020-11-23 | BLI | N/A | MARKS MICHAEL E | Director | Other | SALE | $82.56 | 362,586 | $29,935,100 | 3,755,169 | -8.8% |
| 2018-12-04 01:43 | 2017-10-26 | SLB | SLB LIMITED/NV | MARKS MICHAEL E | Director | Oil & Gas Field Services, NEC | BUY | $63.56 | 16,000 | $1,016,960 | 84,205 | +23.5% |
| 2018-09-07 19:12 | 2018-09-06 | SLB | SLB LIMITED/NV | MARKS MICHAEL E | Director | Oil & Gas Field Services, NEC | BUY | $60.31 | 8,000 | $482,480 | 68,021 | +13.3% |
| 2017-08-15 00:44 | 2017-08-11 | SLB | SLB LIMITED/NV | MARKS MICHAEL E | Director | Oil & Gas Field Services, NEC | BUY | $64.20 | 8,000 | $513,592 | 18,000 | +80.0% |
| 2017-02-23 05:03 | 2017-02-17 | GPRO | GoPro, Inc. | MARKS MICHAEL E | Director | Photographic Equipment & Supplies | SALE | $9.22 | 30,000 | $276,510 | 35,401 | -45.9% |
| 2016-09-02 01:10 | 2016-08-31 | GPRO | GoPro, Inc. | MARKS MICHAEL E | Director | Photographic Equipment & Supplies | SALE | $14.94 | 264 | $3,944 | 0 | -100.0% |
| 2016-08-30 01:52 | 2016-08-29 | SLB | SLB LIMITED/NV | MARKS MICHAEL E | Director | Oil & Gas Field Services, NEC | SALE | $81.19 | 13,600 | $1,104,184 | 37,000 | -26.9% |
| 2016-08-18 03:30 | 2016-08-15 | GPRO | GoPro, Inc. | MARKS MICHAEL E | Director | Photographic Equipment & Supplies | SALE | $15.58 | 40,000 | $623,132 | 120,839 | -24.9% |
| 2015-08-28 22:13 | 2015-08-27 | SLB | SLB LIMITED/NV | MARKS MICHAEL E | Director | Oil & Gas Field Services, NEC | BUY | $73.18 | 13,600 | $995,294 | 48,350 | +39.1% |
| 2015-03-03 05:58 | 2015-02-25 | GPRO | GoPro, Inc. | MARKS MICHAEL E | Director, 10% owner | Photographic Equipment & Supplies | SALE | $45.20 | 185,000 | $8,361,871 | 8,559,949 | -2.1% |
| 2015-02-27 04:13 | 2015-02-24 | GPRO | GoPro, Inc. | MARKS MICHAEL E | Director, 10% owner | Photographic Equipment & Supplies | SALE | $44.32 | 300,000 | $13,295,130 | 8,744,949 | -3.3% |
| 2015-02-24 04:50 | 2015-02-19 | GPRO | GoPro, Inc. | MARKS MICHAEL E | Director, 10% owner | Photographic Equipment & Supplies | SALE | $45.26 | 700,000 | $31,683,540 | 9,044,949 | -7.2% |
| 2015-02-20 02:53 | 2015-02-18 | GPRO | GoPro, Inc. | MARKS MICHAEL E | Director, 10% owner | Photographic Equipment & Supplies | SALE | $46.56 | 5,000,000 | $232,800,000 | 9,744,949 | -33.9% |
| 2014-12-05 05:47 | 2014-12-03 | GPRO | GoPro, Inc. | MARKS MICHAEL E | Director, 10% owner | Photographic Equipment & Supplies | SALE | $72.38 | 332,572 | $24,069,899 | 0 | -100.0% |
| 2014-11-27 02:13 | 2014-11-25 | GPRO | GoPro, Inc. | MARKS MICHAEL E | Director, 10% owner | Photographic Equipment & Supplies | SALE | $72.38 | 1,627,400 | $117,783,075 | 0 | -100.0% |
| 2014-11-01 04:45 | 2014-10-30 | SNDK | N/A | MARKS MICHAEL E | Director | Other | OPT+S | $90.08 | 20,000 | $1,801,566 | 13,414 | -59.9% |
| 2014-10-28 22:21 | 2014-10-27 | SLB | SLB LIMITED/NV | MARKS MICHAEL E | Director | Oil & Gas Field Services, NEC | BUY | $92.59 | 3,250 | $300,917 | 32,500 | +11.1% |
| 2014-07-02 03:24 | 2014-07-01 | GPRO | GoPro, Inc. | MARKS MICHAEL E | Director, 10% owner | Photographic Equipment & Supplies | SALE | $22.56 | 1,651,540 | $37,258,742 | 0 | -100.0% |
| 2014-01-30 05:26 | 2014-01-28 | SNDK | N/A | MARKS MICHAEL E | Director | Other | SALE | $69.60 | 10,000 | $695,950 | 20,000 | -33.3% |
| 2013-11-09 05:14 | 2013-11-08 | SNDK | N/A | MARKS MICHAEL E | Director | Other | OPT+S | $68.05 | 12,500 | $850,625 | 7,184 | -63.5% |
| 2011-11-02 00:34 | 2011-11-01 | SNDK | N/A | MARKS MICHAEL E | Director | Other | OPT+S | $48.75 | 64,000 | $3,119,680 | 3,559 | -94.7% |
| 2011-08-11 23:10 | 2011-08-11 | SLB | SLB LIMITED/NV | MARKS MICHAEL E | Director | Oil & Gas Field Services, NEC | BUY | $74.60 | 2,700 | $201,420 | 22,500 | +13.6% |
| 2011-07-30 02:08 | 2011-07-29 | SNDK | N/A | MARKS MICHAEL E | Director | Other | OPT+S | $42.99 | 9,473 | $407,287 | 3,559 | -72.7% |
| 2011-07-29 02:44 | 2011-07-26 | SNDK | N/A | MARKS MICHAEL E | Director | Other | OPT+S | $43.92 | 28,777 | $1,263,969 | 3,559 | -89.0% |
| 2010-12-08 23:09 | 2010-12-06 | CALX | CALIX, INC | MARKS MICHAEL E | Director | Communications Services, NEC | SALE | $15.42 | 64,653 | $996,833 | 22,080 | -74.5% |
| 2010-12-06 22:35 | 2010-12-03 | CALX | CALIX, INC | MARKS MICHAEL E | Director | Communications Services, NEC | SALE | $15.25 | 13,267 | $202,322 | 86,733 | -13.3% |
| 2010-12-03 23:09 | 2010-12-01 | CALX | CALIX, INC | MARKS MICHAEL E | Director | Communications Services, NEC | SALE | $13.25 | 352,719 | $4,671,869 | 14,786 | -96.0% |
| 2010-11-30 00:08 | 2010-11-24 | CALX | CALIX, INC | MARKS MICHAEL E | Director | Communications Services, NEC | SALE | $13.00 | 9,440 | $122,763 | 437,719 | -2.1% |
| 2010-11-16 03:15 | 2010-11-12 | SLB | SLB LIMITED/NV | MARKS MICHAEL E | Director | Oil & Gas Field Services, NEC | SALE | $73.87 | 3,610 | $266,684 | 0 | -100.0% |
| 2010-11-15 22:02 | 2010-11-11 | CALX | CALIX, INC | MARKS MICHAEL E | Director | Communications Services, NEC | SALE | $13.04 | 20,157 | $262,861 | 447,159 | -4.3% |
| 2010-11-10 02:07 | 2010-11-09 | SNDK | N/A | MARKS MICHAEL E | Director | Other | SALE | $40.81 | 17,746 | $724,214 | 0 | -100.0% |
| 2010-11-03 21:34 | 2010-11-01 | CALX | CALIX, INC | MARKS MICHAEL E | Director | Communications Services, NEC | SALE | $12.40 | 100,000 | $1,240,300 | 467,316 | -17.6% |
| 2010-04-30 00:45 | 2010-04-29 | SNDK | N/A | MARKS MICHAEL E | Director | Other | SALE | $41.77 | 20,000 | $835,322 | 30,000 | -40.0% |
| 2010-04-28 02:34 | 2010-04-27 | SNDK | N/A | MARKS MICHAEL E | Director | Other | SALE | $42.00 | 6,000 | $252,000 | 0 | -100.0% |
| 2010-03-31 03:30 | 2010-03-26 | CALX | CALIX, INC | MARKS MICHAEL E | Director | Communications Services, NEC | SALE | $13.00 | 328,703 | $4,273,139 | 29,786 | -91.7% |
| 2010-03-01 19:39 | 2010-02-26 | SLB | SLB LIMITED/NV | MARKS MICHAEL E | Director | Oil & Gas Field Services, NEC | BUY | $60.75 | 3,300 | $200,462 | 29,550 | +12.6% |
| 2009-10-20 21:09 | 2009-05-13 | JAVA | N/A | MARKS MICHAEL E | Director | Other | SALE | $8.96 | 85,000 | $761,600 | 0 | -100.0% |
| 2008-08-21 19:49 | 2008-08-20 | JAVA | N/A | MARKS MICHAEL E | Director | Other | SALE | $10.00 | 90,000 | $900,360 | 35,000 | -72.0% |
| 2008-08-20 04:40 | 2008-08-15 | CROX | Crocs, Inc. | MARKS MICHAEL E | Director | Rubber & Plastics Footwear | SALE | $4.53 | 714,808 | $3,238,080 | 500,000 | -58.8% |
| 2008-08-16 02:03 | 2008-07-30 | CROX | Crocs, Inc. | MARKS MICHAEL E | Director | Rubber & Plastics Footwear | SALE | $4.44 | 250,000 | $1,111,150 | 11,494 | -95.6% |
| 2008-03-11 02:43 | 2008-03-06 | CROX | Crocs, Inc. | MARKS MICHAEL E | Director | Rubber & Plastics Footwear | BUY | $19.95 | 250,000 | $4,988,275 | 250,000 | +100.0% |
| 2007-10-27 02:26 | 2007-10-26 | SNDK | N/A | MARKS MICHAEL E | Director | Other | BUY | $41.01 | 18,600 | $762,725 | 50,000 | +59.2% |
| 2007-10-27 02:25 | 2007-10-26 | SNDK | N/A | MARKS MICHAEL E | Director | Other | BUY | $40.71 | 19,500 | $793,806 | 31,400 | +163.9% |
| 2007-10-27 02:24 | 2007-10-26 | SNDK | N/A | MARKS MICHAEL E | Director | Other | BUY | $40.44 | 11,900 | $481,221 | 11,900 | +100.0% |
| 2007-08-29 23:15 | 2007-08-27 | CROX | Crocs, Inc. | MARKS MICHAEL E | Director | Rubber & Plastics Footwear | OPT+S | $60.07 | 34,220 | $2,055,496 | 0 | -100.0% |
Strategic Signal Filtering
Our screener allows you to cut through the noise of routine stock grants and small trades. By focusing on high-value transactions from C-suite executives (CEO/CFO), you can identify where the "Smart Money" is being deployed with maximum conviction.
Investing Without Illusions
Insider data is not a magic wand, but it is the most honest indicator available. While insiders sell for many reasons (taxes, personal needs), they generally buy for only one: they believe the stock price is undervalued. We provide the tools to track these skin-in-the-game moves.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.