Dan Primack / Axios:
Substack discloses financials as required by crowdfunding rules: 2021 gross revenue of $11.9M vs $2.3M in 2020, 2021 net loss of $22M vs $2.3M in 2020 — When newsletter platform Substack last month launched a crowdfunding campaign, its writers and fans responded with more than $7.5 million …
