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ISIS Insider Trading

IONIS PHARMACEUTICALS INC | Pharmaceutical Preparations

Comprehensive Trading Performance Summary

The investment history of corporate insiders at IONIS PHARMACEUTICALS INC 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 Pharmaceutical Preparations sector.

Transactions on Chart

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Filing Date Trade Date Reporting Person Relationship Type Price Qty Total, $ Owned After Change, %
2012-09-07 04:38 2012-09-04 CROOKE STANLEY T Director, Officer - Chairman, CEO and President OPT+S $14.62 75,000 $1,096,155 0 0.0%
2012-09-07 04:39 2012-09-06 Monia Brett P Officer - VP, Antisense Drug Discovery OPT+S $15.25 12,031 $183,473 5,384 0.0%
2012-09-07 04:39 2012-09-04 REED JOHN C Director OPT+S $15.17 10,000 $151,724 0 0.0%
2012-09-07 04:49 2012-09-04 PARSHALL B LYNNE Director, Officer - COO, Secretary OPT+S $15.01 62,000 $930,583 0 0.0%
2012-07-11 23:45 2012-07-09 Geary Richard S Officer - Sr VP, Development OPT+S $13.47 5,686 $76,610 3,190 0.0%
2012-07-11 23:43 2012-07-09 REED JOHN C Director OPT+S $13.99 10,000 $139,900 0 0.0%
2012-07-11 23:46 2012-07-09 BENNETT C FRANK Officer - SVP, Antisense Research OPT+S $13.51 10,500 $141,855 1,277 0.0%
2012-07-04 02:06 2012-07-03 Monia Brett P Officer - SVP, Antisense Drug Discovery SELL $12.92 587 $7,584 5,384 -9.8%
2012-07-04 02:05 2012-07-03 Geary Richard S Officer - Sr VP, Development SELL $12.91 2,434 $31,423 3,190 -43.3%
2012-07-04 02:06 2012-07-03 BENNETT C FRANK Officer - SVP, Antisense Research OPT+S $12.91 6,000 $77,460 1,277 0.0%
2012-06-26 03:56 2012-06-25 BERTHELSEN SPENCER R Director OPT+S $11.57 10,000 $115,669 29,300 0.0%
2012-06-23 02:46 2012-06-22 REED JOHN C Director OPT+S $11.06 10,000 $110,600 0 0.0%
2012-06-15 03:16 2012-06-14 Geary Richard S Officer - Sr VP, Development SELL $10.86 1,579 $17,148 4,324 -26.7%
2012-05-23 02:51 2012-05-21 BERTHELSEN SPENCER R Director OPT+S $9.54 20,000 $190,818 29,300 0.0%
2011-12-23 01:21 2011-12-21 CROOKE STANLEY T Director, Officer - Chairman, President, CEO OPT+S $6.92 17,800 $123,176 0 0.0%
2011-12-23 01:21 2011-12-21 Geary Richard S Officer - Senior Vice President OPT+S $6.92 1,144 $7,916 4,278 0.0%
2011-12-23 01:20 2011-12-21 BENNETT C FRANK Officer - Senior Vice President OPT+S $6.92 1,555 $10,761 305 0.0%
2011-12-23 01:20 2011-12-21 PARSHALL B LYNNE Director, Officer - Director, COO OPT+S $6.92 6,763 $46,800 0 0.0%
2011-12-21 05:09 2011-12-16 CROOKE STANLEY T Director, Officer - Chairman, President, CEO OPT+S $6.82 63,300 $431,896 0 0.0%
2011-12-21 05:06 2011-12-16 Geary Richard S Officer - Senior Vice President OPT+S $6.82 3,900 $26,607 4,278 0.0%
2011-12-21 05:08 2011-12-16 BENNETT C FRANK Officer - Senior Vice President OPT+S $6.82 5,500 $37,528 305 0.0%
2011-12-21 05:05 2011-12-16 PARSHALL B LYNNE Director, Officer - Director, COO OPT+S $6.82 23,500 $160,359 0 0.0%
2011-08-06 00:40 2011-08-04 BENNETT C FRANK Officer - Senior Vice President OPT+S $7.62 10,000 $76,206 305 0.0%
2011-07-30 01:11 2011-07-28 BENNETT C FRANK Officer - Senior Vice President SELL $8.60 1,000 $8,600 305 -76.6%
2010-12-30 03:22 2010-12-27 CROOKE STANLEY T Director, Officer - Chairman, President, CEO OPT+S $10.38 32,000 $332,179 0 0.0%
2010-12-30 04:15 2010-12-27 Geary Richard S Officer - Senior Vice President OPT+S $10.38 5,280 $54,810 1,579 0.0%
2010-12-30 04:09 2010-12-27 BENNETT C FRANK Officer - Senior Vice President OPT+S $10.38 12,300 $127,683 561 0.0%
2010-12-30 04:14 2010-12-27 PARSHALL B LYNNE Director, Officer - Director, COO OPT+S $10.38 17,200 $178,551 1,985 0.0%
2010-12-29 03:40 2010-12-23 Geary Richard S Officer - Senior Vice President OPT+S $10.53 200 $2,105 1,579 0.0%
2010-12-28 00:09 2010-12-22 CROOKE STANLEY T Director, Officer - Chairman, President, CEO OPT+S $10.52 20,000 $210,420 0 0.0%
2010-12-28 00:09 2010-12-22 Geary Richard S Officer - Senior Vice President OPT+S $10.52 3,000 $31,562 1,579 0.0%
2010-12-28 00:09 2010-12-22 BENNETT C FRANK Officer - Senior Vice President OPT+S $10.52 7,700 $81,012 561 0.0%
2010-12-28 00:10 2010-12-22 PARSHALL B LYNNE Director, Officer - COO OPT+S $10.52 6,450 $67,864 1,985 0.0%
2010-07-26 23:35 2010-07-23 BENNETT C FRANK Officer - Senior Vice President SELL $9.60 1,100 $10,560 561 -66.2%
2010-07-01 02:47 2010-06-28 BENNETT C FRANK Officer - Senior Vice President OPT+S $9.90 10,000 $98,950 1,171 0.0%
2010-01-01 00:37 2009-12-31 PARSHALL B LYNNE Director, Officer - Director, COO OPT+S $11.21 7,090 $79,479 0 0.0%
2009-12-31 03:49 2009-12-30 CROOKE STANLEY T Director, Officer - Chairman, President, CEO OPT+S $11.07 6,535 $72,310 0 0.0%
2009-12-31 03:50 2009-12-28 PARSHALL B LYNNE Director, Officer - Director, COO OPT+S $11.09 8,000 $88,730 0 0.0%
2009-12-24 01:36 2009-12-22 CROOKE STANLEY T Director, Officer - Chairman, President, CEO OPT+S $10.13 20,000 $202,600 0 0.0%
2009-12-24 01:35 2009-12-22 PARSHALL B LYNNE Director, Officer - Director, COO OPT+S $10.42 26,910 $280,378 0 0.0%
2009-12-18 03:14 2009-12-15 CROOKE STANLEY T Director, Officer - Chairman, President, CEO OPT+S $10.07 50,000 $503,260 0 0.0%
2009-12-18 03:15 2009-12-15 BENNETT C FRANK Officer - Senior Vice President OPT+S $10.03 1,000 $10,030 976 0.0%
2009-12-18 03:14 2009-12-15 PARSHALL B LYNNE Director, Officer - Director, COO OPT+S $10.03 10,000 $100,300 1,985 0.0%
2009-12-15 03:59 2009-12-10 CROOKE STANLEY T Director, Officer - Chairman, President, CEO OPT+S $10.02 70,000 $701,302 0 0.0%
2009-12-15 04:00 2009-12-10 PARSHALL B LYNNE Director, Officer - Director, COO OPT+S $10.08 23,000 $231,750 1,985 0.0%
2009-12-11 03:21 2009-12-08 CROOKE STANLEY T Director, Officer - Chairman, President, CEO OPT+S $10.42 50,000 $521,100 0 0.0%
2009-12-11 03:20 2009-12-08 PARSHALL B LYNNE Director, Officer - Director, COO OPT+S $10.44 30,000 $313,200 1,985 0.0%
2009-12-09 03:40 2009-12-04 CROOKE STANLEY T Director, Officer - Chairman, President, CEO OPT+S $10.54 60,000 $632,100 0 0.0%
2009-12-09 03:41 2009-12-04 PARSHALL B LYNNE Director, Officer - Director, COO OPT+S $10.53 45,000 $473,999 1,985 0.0%
2009-07-25 00:05 2009-07-23 BENNETT C FRANK Officer - Senior Vice President OPT+S $17.03 12,000 $204,307 976 0.0%
SHOW ENTRIES

How to Interpret $ISIS Trades

Not every insider transaction in IONIS PHARMACEUTICALS INC is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $ISIS 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 ISIS

Insider activity data for IONIS PHARMACEUTICALS INC 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 $ISIS, 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.