Blade Air Mobility, INC Schedule 13D activist filings

Filed when an investor crosses five percent and intends to influence the company — the activist disclosure.

Velibor Krstic's 1.58 million Strata Critical Medical warrants expired worthless, reducing beneficial ownership to zero.
Investor Velibor Krstic has increased his stake in Strata Critical Medical warrants to 16.21% and is calling for a mandatory exchange to prevent expiration.
Velibor Krstic has increased his beneficial ownership of Strata Critical Medical warrants to 12.4%, citing undervaluation and strategic investment goals.
Velibor Krstic has acquired 764,435 warrants in Strata Critical Medical, Inc., representing 8.3% of the outstanding public warrants, citing undervaluation and potential strategic discussions.