CBST Insider Trading
CBST | Market Equity
Comprehensive Trading Performance Summary
The investment history of corporate insiders at CBST 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
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2013-05-16 00:16 | 2013-05-14 | GILMAN STEVEN C | Officer - EVP & Chief Scientific Officer | OPT+S | $49.18 | 1,135 | $55,818 | 20,725 | 0.0% |
| 2013-05-16 00:27 | 2013-05-14 | PEREZ ROBERT J | Officer - President & COO | OPT+S | $49.18 | 2,346 | $115,374 | 32,685 | 0.0% |
| 2013-05-16 00:15 | 2013-05-14 | BONNEY MICHAEL W | Director, Officer - Chief Executive Officer | OPT+S | $49.18 | 3,753 | $184,569 | 155,647 | 0.0% |
| 2013-04-26 21:35 | 2013-04-26 | Hutson Nancy J | Director | OPT+S | $46.23 | 5,000 | $231,131 | 3,500 | 0.0% |
| 2013-04-02 23:05 | 2013-04-02 | PEREZ ROBERT J | Officer - President & COO | OPT+S | $47.98 | 15,000 | $719,700 | 30,031 | 0.0% |
| 2013-03-08 23:17 | 2013-03-08 | STEA GREGORY | Officer - SVP, Commercial Operations | OPT+S | $48.00 | 4,375 | $210,000 | 11,236 | 0.0% |
| 2013-03-08 00:43 | 2013-03-06 | BATE KENNETH | Director | OPT+S | $47.50 | 5,000 | $237,500 | 5,839 | 0.0% |
| 2013-03-06 00:59 | 2013-03-04 | STEA GREGORY | Officer - SVP, Commercial Operations | OPT+S | $45.00 | 8,750 | $393,754 | 11,236 | 0.0% |
| 2013-03-01 21:47 | 2013-02-28 | STEA GREGORY | Officer - SVP, Commercial Operations | OPT+S | $42.00 | 5,625 | $236,258 | 11,236 | 0.0% |
| 2013-02-20 19:45 | 2013-02-19 | LARANJEIRA CHARLES ANTHONY | Officer - SVP, Technical Operations | OPT+S | $41.40 | 384 | $15,898 | 1,257 | 0.0% |
| 2013-02-20 19:48 | 2013-02-19 | STEA GREGORY | Officer - SVP, Commercial Operations | OPT+S | $41.40 | 611 | $25,296 | 11,236 | 0.0% |
| 2013-02-20 19:43 | 2013-02-19 | GILMAN STEVEN C | Officer - EVP & Chief Scientific Officer | OPT+S | $41.40 | 1,233 | $51,047 | 18,360 | 0.0% |
| 2013-02-20 19:47 | 2013-02-19 | PEREZ ROBERT J | Officer - President & COO | OPT+S | $41.40 | 2,177 | $90,128 | 30,031 | 0.0% |
| 2013-01-31 01:09 | 2013-01-28 | Hutson Nancy J | Director | OPT+S | $43.27 | 5,000 | $216,340 | 3,500 | 0.0% |
| 2013-01-31 01:11 | 2013-01-28 | BONNEY MICHAEL W | Director, Officer - President & CEO | OPT+S | $42.94 | 105,452 | $4,528,288 | 142,500 | 0.0% |
| 2013-01-03 21:21 | 2013-01-02 | GILMAN STEVEN C | Officer - EVP & Chief Scientific Officer | OPT+S | $42.98 | 15,000 | $644,745 | 15,843 | 0.0% |
| 2012-10-30 16:17 | 2012-10-26 | Hutson Nancy J | Director | OPT+S | $43.52 | 5,000 | $217,615 | 3,500 | 0.0% |
| 2012-10-02 23:11 | 2012-10-01 | Rosenberg Martin | Director | OPT+S | $47.75 | 10,000 | $477,475 | 4,658 | 0.0% |
| 2012-09-24 22:17 | 2012-09-21 | MCGIRR DAVID W J | Officer - SVP & Chief Financial Officer | OPT+S | $49.79 | 15,000 | $746,850 | 17,200 | 0.0% |
| 2012-08-27 22:40 | 2012-08-24 | PEREZ ROBERT J | Officer - President & COO | OPT+S | $45.97 | 30,000 | $1,379,178 | 27,038 | 0.0% |
| 2012-08-27 22:38 | 2012-08-24 | SINGLETON J MATTHEW | Director | OPT+S | $45.52 | 2,500 | $113,800 | 3,625 | 0.0% |
| 2012-08-27 22:39 | 2012-08-24 | MCGIRR DAVID W J | Officer - SVP & Chief Financial Officer | OPT+S | $45.69 | 20,000 | $913,870 | 17,200 | 0.0% |
| 2012-08-09 21:33 | 2012-08-07 | STEA GREGORY | Officer - SVP, Commercial Operations | OPT+S | $44.00 | 7,500 | $330,000 | 10,247 | 0.0% |
| 2012-07-26 23:12 | 2012-07-26 | STEA GREGORY | Officer - SVP, Commercial Operations | OPT+S | $42.00 | 7,500 | $315,000 | 10,247 | 0.0% |
| 2012-07-26 23:11 | 2012-07-24 | CORRIGAN MARK | Director | OPT+S | $41.01 | 10,000 | $410,075 | 3,156 | 0.0% |
| 2012-07-03 19:25 | 2012-07-02 | Rosenberg Martin | Director | OPT+S | $37.88 | 10,000 | $378,756 | 4,658 | 0.0% |
| 2012-06-08 21:27 | 2012-06-06 | JOSEPH TAMARA L | Officer - SVP, GC & Secretary | OPT+S | $41.16 | 20,000 | $823,206 | 19,059 | 0.0% |
| 2012-06-01 00:18 | 2012-05-30 | STEA GREGORY | Officer - SVP, Commercial Operations | OPT+S | $40.05 | 9,000 | $360,450 | 8,693 | 0.0% |
| 2012-05-17 23:09 | 2012-05-17 | GILMAN STEVEN C | Officer - EVP & Chief Scientific Officer | OPT+S | $41.57 | 20,000 | $831,466 | 18,379 | 0.0% |
| 2012-05-16 22:08 | 2012-05-15 | STEA GREGORY | Officer - SVP, Commercial Operations | OPT+S | $41.89 | 832 | $34,849 | 8,693 | 0.0% |
| 2012-05-16 22:07 | 2012-05-15 | GILMAN STEVEN C | Officer - EVP & Chief Scientific Officer | OPT+S | $41.88 | 1,597 | $66,875 | 18,379 | 0.0% |
| 2012-05-16 22:08 | 2012-05-15 | PEREZ ROBERT J | Officer - EVP, Chief Operating Officer | OPT+S | $41.88 | 2,625 | $109,923 | 31,460 | 0.0% |
| 2012-05-16 22:06 | 2012-05-15 | BONNEY MICHAEL W | Director, Officer - President and CEO | OPT+S | $41.88 | 4,245 | $177,763 | 147,877 | 0.0% |
| 2012-05-15 23:17 | 2012-05-14 | STEA GREGORY | Officer - SVP, Commercial Operations | OPT+S | $41.55 | 584 | $24,267 | 6,925 | 0.0% |
| 2012-05-15 23:11 | 2012-05-14 | GILMAN STEVEN C | Officer - EVP & Chief Scientific Officer | OPT+S | $41.55 | 1,135 | $47,162 | 14,976 | 0.0% |
| 2012-05-15 23:18 | 2012-05-14 | PEREZ ROBERT J | Officer - EVP, Chief Operating Officer | OPT+S | $41.55 | 2,131 | $88,549 | 27,835 | 0.0% |
| 2012-05-15 23:15 | 2012-05-14 | BONNEY MICHAEL W | Director, Officer - President and CEO | OPT+S | $41.55 | 2,927 | $121,625 | 140,872 | 0.0% |
| 2012-04-26 20:49 | 2012-04-24 | STEA GREGORY | Officer - SVP, Commercial Operations | SELL | $40.91 | 119 | $4,868 | 1,553 | -7.1% |
| 2012-04-03 23:11 | 2012-04-02 | Rosenberg Martin | Director | OPT+S | $42.76 | 10,000 | $427,597 | 4,658 | 0.0% |
| 2012-03-28 23:31 | 2012-03-26 | PEREZ ROBERT J | Officer - EVP, Chief Operating Officer | OPT+S | $44.73 | 40,000 | $1,789,184 | 24,706 | 0.0% |
| 2012-03-12 19:23 | 2012-03-09 | SINGLETON J MATTHEW | Director | OPT+S | $43.06 | 10,000 | $430,565 | 3,625 | 0.0% |
| 2012-02-27 22:18 | 2012-02-23 | MCGIRR DAVID W J | Officer - SVP & Chief Financial Officer | OPT+S | $42.68 | 15,000 | $640,185 | 17,345 | 0.0% |
| 2012-02-06 21:45 | 2012-02-03 | SINGLETON J MATTHEW | Director | OPT+S | $42.28 | 2,000 | $84,562 | 3,625 | 0.0% |
| 2012-01-17 20:24 | 2012-01-12 | PEREZ ROBERT J | Officer - EVP, Chief Operating Officer | OPT+S | $41.97 | 17,100 | $717,687 | 25,125 | 0.0% |
| 2012-01-11 21:12 | 2012-01-10 | STEA GREGORY | Officer - SVP, Commercial Operations | OPT+S | $40.94 | 10,500 | $429,867 | 8,817 | 0.0% |
| 2012-01-11 21:11 | 2012-01-10 | PEREZ ROBERT J | Officer - EVP, Chief Operating Officer | OPT+S | $40.99 | 14,400 | $590,187 | 25,125 | 0.0% |
| 2012-01-05 00:18 | 2012-01-03 | Rosenberg Martin | Director | OPT+S | $40.08 | 10,000 | $400,822 | 4,658 | 0.0% |
| 2011-12-21 19:14 | 2011-12-20 | PEREZ ROBERT J | Officer - EVP, Chief Operating Officer | OPT+S | $39.48 | 25,000 | $987,063 | 24,893 | 0.0% |
| 2011-12-21 19:10 | 2011-12-19 | BONNEY MICHAEL W | Director, Officer - President and CEO | OPT+S | $38.69 | 150,000 | $5,802,765 | 135,433 | 0.0% |
| 2011-12-15 21:50 | 2011-12-15 | Rosenberg Martin | Director | OPT+S | $37.10 | 11,500 | $426,658 | 4,658 | 0.0% |
How to Interpret $CBST Trades
Not every insider transaction in CBST is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $CBST 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 CBST
Insider activity data for CBST 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 $CBST, 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.