ACLS Insider Trading
Axcelis Technologies, Inc. | Special Industry Machinery, NEC
Comprehensive Trading Performance Summary
The investment history of corporate insiders at Axcelis Technologies, 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 Special Industry Machinery, NEC sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2023-05-11 01:08 | 2023-05-10 | Lawson Douglas A. | Officer - EVP, Corporate Mktg & Strategy | SELL | $122.00 | 5,734 | $699,548 | 35,205 | -14.0% |
| 2023-05-09 23:12 | 2023-05-09 | Chiu Tzu Yin | Director | SELL | $118.50 | 10,000 | $1,185,000 | 18,873 | -34.6% |
| 2023-02-15 00:00 | 2023-02-01 | Chiu Tzu Yin | Director | SELL | $127.12 | 1,700 | $216,104 | 28,873 | -5.6% |
| 2023-02-14 00:27 | 2023-02-13 | St Dennis Thomas | Director | SELL | $127.02 | 12,000 | $1,524,240 | 10,625 | -53.0% |
| 2023-02-14 00:27 | 2023-02-13 | FALLON LYNNETTE C | Officer - Executive VP, HR/Legal | SELL | $127.67 | 3,531 | $450,803 | 44,239 | -7.4% |
| 2023-02-14 00:23 | 2023-02-13 | Low Russell | Officer - EVP, Global Cust & Eng Ops | SELL | $125.72 | 9,630 | $1,210,645 | 59,663 | -13.9% |
| 2023-02-14 00:21 | 2023-02-13 | Titinger Jorge | Director | SELL | $122.95 | 8,456 | $1,039,707 | 13,799 | -38.0% |
| 2023-02-14 00:19 | 2023-02-13 | PUMA MARY G | Director, Officer - President and CEO | SELL | $124.98 | 24,797 | $3,099,065 | 361,605 | -6.4% |
| 2023-02-14 00:17 | 2023-02-13 | Lawson Douglas A. | Officer - EVP, Corporate Mktg & Strategy | SELL | $122.47 | 1,998 | $244,695 | 32,040 | -5.9% |
| 2023-02-14 00:24 | 2023-02-13 | KEITHLEY JOSEPH P | Director | SELL | $124.52 | 6,000 | $747,120 | 13,375 | -31.0% |
| 2022-12-15 00:14 | 2022-12-14 | KEITHLEY JOSEPH P | Director | SELL | $86.24 | 1,000 | $86,240 | 20,375 | -4.7% |
| 2022-12-10 00:11 | 2022-12-08 | KURTZWEIL JOHN T | Director | SELL | $78.42 | 3,037 | $238,162 | 34,091 | -8.2% |
| 2022-12-09 00:40 | 2022-12-08 | PUMA MARY G | Director, Officer - President and CEO | SELL | $80.31 | 4,202 | $337,463 | 393,511 | -1.1% |
| 2022-12-06 02:00 | 2022-12-01 | PUMA MARY G | Director, Officer - President and CEO | SELL | $80.08 | 4,197 | $336,114 | 397,713 | -1.0% |
| 2022-12-01 02:48 | 2022-11-30 | KEITHLEY JOSEPH P | Director | SELL | $79.00 | 1,000 | $79,000 | 20,375 | -4.7% |
| 2022-11-29 00:15 | 2022-11-28 | Lawson Douglas A. | Officer - EVP, Corporate Mktg & Strategy | SELL | $76.52 | 350 | $26,782 | 34,038 | -1.0% |
| 2022-11-29 00:15 | 2022-11-23 | PUMA MARY G | Director, Officer - President and CEO | SELL | $80.01 | 3,998 | $319,880 | 401,910 | -1.0% |
| 2022-11-24 00:17 | 2022-11-23 | Bintz William J | Officer - EVP, Product Development | SELL | $79.24 | 7,978 | $632,213 | 31,173 | -20.4% |
| 2022-11-19 00:16 | 2022-11-18 | St Dennis Thomas | Director | SELL | $76.66 | 3,000 | $229,980 | 22,625 | -11.7% |
| 2022-11-16 00:48 | 2022-11-15 | BREWER KEVIN J | Officer - EVP & Chief Financial Officer | SELL | $79.26 | 6,500 | $515,177 | 48,286 | -11.9% |
| 2022-11-16 00:43 | 2022-11-15 | FALLON LYNNETTE C | Officer - Executive VP, HR/Legal | SELL | $79.00 | 3,563 | $281,477 | 47,770 | -6.9% |
| 2022-11-14 15:27 | 2022-11-10 | KEITHLEY JOSEPH P | Director | SELL | $74.02 | 2,000 | $148,040 | 21,375 | -8.6% |
| 2022-11-11 00:30 | 2022-11-10 | Low Russell | Officer - EVP, Global Cust & Eng Ops | SELL | $73.64 | 7,700 | $567,015 | 69,293 | -10.0% |
| 2022-08-25 23:20 | 2022-08-25 | KEITHLEY JOSEPH P | Director | SELL | $79.37 | 2,000 | $158,740 | 23,375 | -7.9% |
| 2022-08-15 23:36 | 2022-08-15 | BREWER KEVIN J | Officer - EVP & Chief Financial Officer | SELL | $75.35 | 9,461 | $712,878 | 54,786 | -14.7% |
| 2022-08-12 23:17 | 2022-08-12 | FAUBERT RICHARD J | Director | SELL | $76.28 | 15,000 | $1,144,200 | 33,625 | -30.8% |
| 2022-08-12 23:15 | 2022-08-12 | PUMA MARY G | Director, Officer - President and CEO | SELL | $75.94 | 13,288 | $1,009,091 | 405,908 | -3.2% |
| 2022-08-12 23:14 | 2022-08-12 | FALLON LYNNETTE C | Officer - Executive VP, HR/Legal | SELL | $75.50 | 3,787 | $285,919 | 51,333 | -6.9% |
| 2022-08-12 23:13 | 2022-08-11 | Bintz William J | Officer - EVP, Product Development | SELL | $71.20 | 13,289 | $946,177 | 46,772 | -22.1% |
| 2022-08-08 23:12 | 2022-08-08 | Lawson Douglas A. | Officer - EVP, Corporate Mktg & Strategy | SELL | $74.69 | 4,554 | $340,138 | 34,388 | -11.7% |
| 2022-03-17 23:11 | 2022-03-17 | FALLON LYNNETTE C | Officer - Executive VP, HR/Legal | SELL | $71.85 | 3,249 | $233,441 | 47,977 | -6.3% |
| 2022-03-17 00:26 | 2022-03-16 | PUMA MARY G | Director, Officer - President and CEO | SELL | $69.23 | 11,000 | $761,530 | 393,901 | -2.7% |
| 2022-03-04 00:26 | 2022-03-02 | Lawson Douglas A. | Officer - EVP, Corporate Mktg & Strategy | SELL | $70.20 | 7,329 | $514,475 | 33,335 | -18.0% |
| 2022-03-03 01:01 | 2022-03-02 | BREWER KEVIN J | Officer - EVP & Chief Financial Officer | SELL | $70.89 | 8,636 | $612,206 | 58,125 | -12.9% |
| 2022-03-01 00:49 | 2022-02-25 | KEITHLEY JOSEPH P | Director | SELL | $69.05 | 3,000 | $207,150 | 22,686 | -11.7% |
| 2022-02-11 00:35 | 2022-02-10 | St Dennis Thomas | Director | SELL | $72.81 | 3,000 | $218,430 | 22,936 | -11.6% |
| 2021-12-10 03:01 | 2021-12-08 | KEITHLEY JOSEPH P | Director | SELL | $69.00 | 3,000 | $207,000 | 25,686 | -10.5% |
| 2021-11-23 00:35 | 2021-11-22 | KURTZWEIL JOHN T | Director | SELL | $64.58 | 3,497 | $225,836 | 34,439 | -9.2% |
| 2021-11-12 16:40 | 2021-11-11 | PUMA MARY G | Director, Officer - President and CEO | SELL | $62.06 | 1,000 | $62,060 | 5,000 | -16.7% |
| 2021-11-09 01:29 | 2021-11-08 | FALLON LYNNETTE C | Officer - Executive VP, HR/Legal | SELL | $62.27 | 6,329 | $394,107 | 52,151 | -10.8% |
| 2021-11-09 01:28 | 2021-11-08 | Lawson Douglas A. | Officer - EVP, Corporate Mktg & Strategy | SELL | $62.41 | 1,217 | $75,953 | 41,958 | -2.8% |
| 2021-08-31 23:07 | 2021-08-31 | Lawson Douglas A. | Officer - EVP, Corporate Mktg & Strategy | SELL | $49.63 | 655 | $32,508 | 43,175 | -1.5% |
| 2021-08-31 00:04 | 2021-08-30 | St Dennis Thomas | Director | SELL | $50.32 | 3,500 | $176,120 | 25,936 | -11.9% |
| 2021-08-31 00:03 | 2021-08-30 | Low Russell | Officer - EVP, Engineering | OPT+S | $50.63 | 3,305 | $167,332 | 71,331 | 0.0% |
| 2021-08-27 23:20 | 2021-08-27 | FALLON LYNNETTE C | Officer - Executive VP, HR/Legal | SELL | $50.58 | 6,252 | $316,226 | 58,480 | -9.7% |
| 2021-08-27 23:18 | 2021-08-26 | BREWER KEVIN J | Officer - EVP & Chief Financial Officer | SELL | $49.72 | 18,065 | $898,157 | 68,986 | -20.8% |
| 2021-08-27 23:19 | 2021-08-26 | KEITHLEY JOSEPH P | Director | SELL | $48.49 | 5,000 | $242,450 | 28,585 | -14.9% |
| 2021-08-25 23:44 | 2021-08-25 | Bintz William J | Officer - EVP, Product Development | SELL | $49.09 | 15,061 | $739,344 | 59,836 | -20.1% |
| 2021-08-16 23:16 | 2021-08-13 | Titinger Jorge | Director | SELL | $42.86 | 3,500 | $150,010 | 21,681 | -13.9% |
| 2021-08-09 23:25 | 2021-08-09 | FALLON LYNNETTE C | Officer - Executive VP, HR/Legal | SELL | $44.00 | 4,978 | $219,032 | 64,732 | -7.1% |
How to Interpret $ACLS Trades
Not every insider transaction in Axcelis Technologies, Inc. is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $ACLS 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 ACLS
Insider activity data for Axcelis Technologies, 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 $ACLS, 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.