SEC Form 4 · STOCK Act
Insider buys that paid off for the people who copied them.
ZeroStack Corp.
Michael Heinrich, Executive Chair, bought $3.5M. Filed Jul 20, 6:31 PM ET.
$1,000 copied at the first price after the filing (Jul 21 open, $1.66) was $3,060 30 trading days later.
Example. Of 339 buys of $100K or more filed Jun 29 to Sep 11, the median lost 5.3% and 67.8% lost money over the same 30 trading days. Not investment advice.
Officers and directors must report their own stock purchases within two business days. We list every one, largest first, with what copying it would have returned.
A free account keeps a watchlist. No password: we email you a link.
AXCELIS TECHNOLOGIES INC
Necip Sayiner · Director
AXCELIS TECHNOLOGIES INC
Robert John Mahoney · EVP Global Operations
AXCELIS TECHNOLOGIES INC
Todd Sutton · VP Corporate Controller
AXCELIS TECHNOLOGIES INC
Dennis Thomas St · Director
AXCELIS TECHNOLOGIES INC
Eileen Evans · EVP, General Counsel and Sec'y
Axcelis Technologies Inc
Gerald M Blumenstock · EVP, Research, Dev., Eng.
AXCELIS TECHNOLOGIES INC
Christopher Tatnall · EVP Global Customer Operations
AXCELIS TECHNOLOGIES INC
Gregory B Graves · Director
AXCELIS TECHNOLOGIES INC
John T Kurtzweil · Director
AXCELIS TECHNOLOGIES INC
Jeanne Quirk · Director
AXCELIS TECHNOLOGIES INC
Todd Sutton · VP Corporate Controller
Axcelis Technologies Inc
Gerald M Blumenstock · EVP, Research, Dev., Eng.
Axcelis Technologies Inc
Jorge Titinger · Director
Axcelis Technologies Inc
Greg Redinbo · EVP Marketing, Applications
AXCELIS TECHNOLOGIES INC
Robert John Mahoney · EVP Global Operations
Axcelis Technologies Inc
Russell Low · President and CEO
Axcelis Technologies Inc
Russell Low · President and CEO
Axcelis Technologies Inc
Russell Low · President and CEO
Axcelis Technologies Inc
Russell Low · President and CEO
Axcelis Technologies Inc
Jorge Titinger · Director
Axcelis Technologies Inc
Jorge Titinger · Director
Axcelis Technologies Inc
Gerald M Blumenstock · EVP, Research, Dev., Eng.
Axcelis Technologies Inc
Jorge Titinger · Director
Axcelis Technologies Inc
John T Kurtzweil · Director
Axcelis Technologies Inc
Joseph P Keithley · Director
Axcelis Technologies Inc
Joseph P Keithley · Director
Axcelis Technologies Inc
Greg Redinbo · EVP Marketing, Applications
Axcelis Technologies Inc
Mary G Puma · Exec Chairperson
Axcelis Technologies Inc
Russell Low · President and CEO
Axcelis Technologies Inc
Jorge Titinger · Director
Axcelis Technologies Inc
Lynnette C Fallon · EVP, HR, Legal
Axcelis Technologies Inc
Douglas A. Lawson · EVP, Corporate Mktg, Strategy
Axcelis Technologies Inc
Joseph P Keithley · Director
Axcelis Technologies Inc
Jeanne Quirk · Director
Axcelis Technologies Inc
Douglas A. Lawson · EVP, Corporate Mktg, Strategy
Axcelis Technologies Inc
Russell Low · President and CEO
Axcelis Technologies Inc
Mary G Puma · Exec Chairperson
Axcelis Technologies Inc
Lynnette C Fallon · EVP, HR, Legal
Axcelis Technologies Inc
Joseph P Keithley · Director
Axcelis Technologies Inc
Joseph P Keithley · Director
Axcelis Technologies Inc
Joseph P Keithley · Director
Axcelis Technologies Inc
Douglas A. Lawson · EVP, Corporate Mktg, Strategy
Axcelis Technologies Inc
Russell Low · President and CEO
Axcelis Technologies Inc
Mary G Puma · Exec Chairperson
Axcelis Technologies Inc
Lynnette C Fallon · EVP, HR, Legal
Axcelis Technologies Inc
Kevin J Brewer · EVP and CFO
Axcelis Technologies Inc
Douglas A. Lawson · EVP, Corporate Mktg, Strategy
Axcelis Technologies Inc
Joseph P Keithley · Director
Axcelis Technologies Inc
Mary G Puma · Exec Chairperson
Axcelis Technologies Inc
Greg Redinbo · EVP Marketing, Applications
Filings come from SEC EDGAR within a minute of the SEC accepting them. Without Pro, each one unlocks 4 hours later. Not investment advice.
Questions
Where does the data come from?
Corporate insider trades come straight from SEC Form 4 filings, pulled from EDGAR within a minute of each filing. Congress trades come from STOCK Act disclosures. All of it is public and free to browse here, and Pro sees the newest filings first.
How often is it updated?
Every minute from 6 AM to 10 PM New York time on weekdays, the hours the SEC accepts filings. Pro sees each filing as it lands. Without Pro, a filing unlocks 4 hours after the SEC accepts it.
Is following insider trades legal?
Yes. Insiders are legally required to disclose their trades within a few days. Acting on those public disclosures is completely legal. Trading on private, non-public information is illegal, but that's a different thing.
What does the iPhone app add?
We're building an iPhone app that alerts you to new filings and, if you choose, copies a buy into your own brokerage after you approve it. It isn't out yet, and the waitlist is free.