I believe around 2013 Apple altered its buyback and dividend practices, as large shareholder Carl Icahn seemed at the time to be trying to manipulate the company and shareholders to his own advantage.
Several articles discussed such around the time. Here are a few.
Several articles discussed such around the time. Here are a few.
https://www.latimes.com/business/technology/la-fi-tn-carl-ic...
https://www.marketwatch.com/story/carl-icahns-2-billion-appl...
https://www.forbes.com/sites/chuckjones/2017/11/10/carl-icah...