Why a 13G is amended
An amendment can update previously reported beneficial-ownership information when the applicable rules require a new filing. The change may involve shares, ownership percentage, reporting persons, voting or dispositive power, or other material information.
The SEC's current rules include amendment requirements for material changes and additional threshold-based obligations for some 13G filers.
What to compare first
- Reporting person or reporting-person group
- Issuer and class of securities
- Shares beneficially owned
- Percentage of the class
- Sole and shared voting power
- Sole and shared dispositive power
- Filing date and the prior comparable filing
An amendment is not a trade confirmation
The amended ownership figure is a reported state of beneficial ownership. It is not a complete ledger of purchases and sales. A change can be economically meaningful, but researchers should avoid assigning a precise trade date or trade price unless another source actually supports it.
Why the prior holder matters
A 13G/A becomes much more informative when it is compared with the same holder's prior filing. That comparison can show a reported increase, reported decrease, unchanged position, new appearance, or exit without mixing together separate institutions.