Seems like a function the SEC should perform. What's the issue here?
It is none of their business, that's why. [0]
Standard link: 'I've Got Nothing to Hide' and Other Misunderstandings of Privacy by Daniel J. Solove
(my portfolio was previously reported for compliance purposes to my financial services employer, and trades required pre-approval and ongoing portfolio monitoring)
Instead, I'd rather prefer that corporations and governments would be forced to act in the open.
The need to disclose spousal information may dissuade some (maybe many) from public service, but that doesn't necessarily seem like a bad thing.
It's a matter of incentives in the end, I prefer adjusting these over complicated bullshit regarding "insider" trading rules that's constantly gamed anyway because it has no real teeth attached.
If you want to see my baskets of index funds, have at it.
And yes, there's recent precedent of federal market regulators abusing their power to help corporate friends. Feel free to look up the predict.it/Kashi situation, if you have any doubt.
The amount of damage that can be done by a breach of a large trove of sensitive data is quite impressive.
Some people may like that, but I reflexively disagree with any tool that gives even more of my private information to a government or private entity. Including and especially my finances.
Google, Facebook, ISPs, etc. are probably already giving it to them.
Ok, now make a useful argument.