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Company Analysis

EPZM Insider Trading

EPZM | Market Equity

Comprehensive Trading Performance Summary

The investment history of corporate insiders at EPZM provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Market Equity sector.

Transactions on Chart

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Filing Date Trade Date Reporting Person Relationship Type Price Qty Total, $ Owned After Change, %
2015-09-02 22:30 2015-08-31 Ho Peter Tai-Ching Officer - Chief Development Officer BUY $17.00 522 $8,874 3,522 +17.4%
2015-08-25 00:38 2015-08-20 Ho Peter Tai-Ching Officer - Chief Development Officer BUY $16.51 2,000 $33,020 3,000 +200.0%
2015-08-06 04:53 2015-08-03 Copeland Robert A Officer - President of Research and CSO OPT+S $22.19 8,370 $185,727 0 0.0%
2015-08-06 04:38 2015-08-03 Gould Robert J Director, Officer - President & CEO OPT+S $21.97 60,000 $1,318,356 0 0.0%
2015-07-09 01:13 2015-07-06 Copeland Robert A Officer - President of Research and CSO OPT+S $22.86 8,371 $191,399 0 0.0%
2015-07-08 23:53 2015-07-06 Gould Robert J Director, Officer - President & CEO OPT+S $23.22 60,000 $1,393,080 0 0.0%
2015-05-07 01:03 2015-05-05 Ho Peter Tai-Ching Officer - Chief Development Officer BUY $16.36 800 $13,084 1,000 +400.0%
2014-12-19 02:34 2014-12-16 Ho Peter Tai-Ching Officer - Chief Development Officer BUY $17.63 400 $7,052 600 +200.0%
2014-12-05 02:17 2014-12-02 Ho Peter Tai-Ching Officer - Chief Development Officer BUY $21.17 1,000 $21,168 400 +100.0%
2014-11-20 01:39 2014-11-17 Copeland Robert A Officer - EVP and CSO OPT+S $22.68 20,000 $453,636 0 0.0%
2014-11-05 02:35 2014-11-03 Garbacz Stephen Officer - Principal Accounting Officer OPT+S $26.44 868 $22,950 13,073 0.0%
2014-11-05 02:33 2014-11-03 Copeland Robert A Officer - EVP and CSO OPT+S $25.48 20,000 $509,500 0 0.0%
2014-11-05 02:31 2014-11-03 Gould Robert J Director, Officer - President & CEO OPT+S $24.95 30,000 $748,623 0 0.0%
2014-10-28 01:00 2014-10-23 Garbacz Stephen Officer - Principal Accounting Officer OPT+S $30.00 535 $16,050 13,073 0.0%
2014-10-18 01:52 2014-10-15 Hedrick Eric Officer - Chief Medical Officer OPT+S $23.38 2,000 $46,760 429 0.0%
2014-10-10 01:10 2014-10-07 Copeland Robert A Officer - EVP and CSO OPT+S $26.90 20,000 $538,030 0 0.0%
2014-10-04 00:54 2014-10-01 Garbacz Stephen Officer - Principal Accounting Officer OPT+S $27.06 868 $23,488 13,073 0.0%
2014-10-04 00:51 2014-10-01 Gould Robert J Director, Officer - President & CEO OPT+S $26.28 30,000 $788,301 0 0.0%
2014-09-25 01:14 2014-09-22 Copeland Robert A Officer - EVP and CSO OPT+S $25.55 20,000 $510,990 0 0.0%
2014-09-16 01:26 2014-09-15 Hedrick Eric Officer - Chief Medical Officer OPT+S $28.67 2,000 $57,340 429 0.0%
2014-09-06 02:30 2014-09-04 GOLDFISCHER CARL Director SELL $35.14 4,000 $140,560 2,825,396 -0.1%
2014-09-05 01:41 2014-09-02 Rhodes Jason P Officer - President, CFO and Treasurer OPT+S $33.47 30,000 $1,004,163 94,000 0.0%
2014-09-05 01:39 2014-09-02 Gould Robert J Director, Officer - CEO OPT+S $33.46 30,000 $1,003,902 0 0.0%
2014-08-29 01:09 2014-08-26 BAY CITY CAPITAL LLC 10% owner SELL $35.14 200,000 $7,027,800 2,825,396 -6.6%
2014-08-29 01:11 2014-08-26 GOLDFISCHER CARL Director SELL $35.14 200,000 $7,027,800 2,825,396 -6.6%
2014-08-26 01:28 2014-08-21 BAY CITY CAPITAL LLC 10% owner SELL $33.98 366,666 $12,459,897 2,825,396 -11.5%
2014-08-26 01:29 2014-08-21 GOLDFISCHER CARL Director SELL $33.98 366,666 $12,459,897 2,825,396 -11.5%
2014-08-20 01:19 2014-08-18 Copeland Robert A Officer - EVP and CSO SELL $36.07 10,830 $390,613 0 -100.0%
2014-08-20 01:20 2014-08-15 Hedrick Eric Officer - Chief Medical Officer OPT+S $38.60 2,000 $77,200 0 0.0%
2014-08-19 00:31 2014-08-18 Viswanathan Ravi 10% owner SELL $35.56 433 $15,396 0 -100.0%
2014-08-19 00:46 2014-08-15 DRANT RYAN D 10% owner SELL $36.54 4,061 $148,383 0 -100.0%
2014-08-19 00:47 2014-08-15 BASKETT FOREST 10% owner SELL $36.58 3,970 $145,218 0 -100.0%
2014-08-19 00:32 2014-08-15 KOLLURI KRISHNA KITTU 10% owner SELL $36.57 651 $23,807 0 -100.0%
2014-08-19 00:31 2014-08-15 SANDELL SCOTT D 10% owner SELL $36.51 3,411 $124,519 0 -100.0%
2014-08-19 00:47 2014-08-15 BARRETT M JAMES 10% owner SELL $36.39 4,061 $147,788 0 -100.0%
2014-08-19 00:47 2014-08-15 BARRIS PETER J 10% owner SELL $36.51 3,411 $124,519 0 -100.0%
2014-08-06 01:29 2014-08-04 Copeland Robert A Officer - EVP and CSO OPT+S $29.42 20,000 $588,346 5,305 0.0%
2014-08-06 01:28 2014-08-04 Rhodes Jason P Officer - President, CFO and Treasurer OPT+S $29.74 30,000 $892,323 82,000 0.0%
2014-08-06 01:26 2014-08-01 Gould Robert J Director, Officer - CEO OPT+S $30.24 30,000 $907,257 0 0.0%
2014-07-18 01:45 2014-07-15 Hedrick Eric Officer - Chief Medical Officer OPT+S $31.35 2,000 $62,700 0 0.0%
2014-07-10 01:16 2014-07-07 Rhodes Jason P Officer - President, CFO and Treasurer OPT+S $32.74 30,000 $982,161 70,000 0.0%
2014-07-04 01:27 2014-07-01 Gould Robert J Director, Officer - CEO OPT+S $31.53 30,000 $945,795 0 0.0%
2014-02-13 03:56 2014-02-10 Copeland Robert A Officer - EVP and CSO SELL $29.25 19,179 $560,986 24,911 -43.5%
2014-02-13 03:55 2014-02-10 Rhodes Jason P Officer - President, CFO and Treasurer OPT+S $29.25 50,000 $1,462,500 24,000 0.0%
2014-02-13 03:53 2014-02-10 Gould Robert J Director, Officer - CEO OPT+S $29.25 60,000 $1,755,000 0 0.0%
2014-02-13 03:57 2014-02-10 Hedrick Eric Officer - Chief Medical Officer OPT+S $29.25 13,500 $394,875 0 0.0%
2014-02-13 04:18 2014-02-10 KPCB XIII Associates, LLC 10% owner SELL $27.64 388,584 $10,740,967 3,838,167 -9.2%
2014-02-12 22:59 2014-02-10 BAY CITY CAPITAL LLC 10% owner SELL $29.25 466,667 $13,650,010 3,192,062 -12.8%
2014-02-13 04:05 2014-02-10 SEIDENBERG BETH C Director, 10% owner SELL $27.64 388,584 $10,740,967 3,838,167 -9.2%
2014-02-12 23:01 2014-02-10 GOLDFISCHER CARL Director, 10% owner SELL $29.25 466,667 $13,650,010 3,192,062 -12.8%
SHOW ENTRIES

How to Interpret $EPZM Trades

Not every insider transaction in EPZM is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $EPZM shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.

Data Source & Accuracy for EPZM

Insider activity data for EPZM is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $EPZM, allowing you to follow the capital of those with the most intimate knowledge of the company.

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.