“It’s just never recovered since she stepped away from the company,” a source told Page Six of the company Trump launched in 2007, and other sources told the same site that the company will be shuttered “ASAP.” MarketWatch reported that Klem broke the news to her 18 employees Tuesday, while Trump herself is expected to speak to the staff later.
I don't fully understand the sentence above in bold, especially a source told Page Six of the company Trump launched in 2007. Is it Trump launched the company in 2007 or a source told Page Six about the company in 2007? I don't quite understand the structure of told ... of ... either. I can't find it in my dictionary. Is it a common structure or phrase?
The full source.