Last mentioned: Mar 20, 2026
FTC Guidance Issued
The FTC confirms it will accept legacy forms while its appeal proceeds.
Fifth Circuit Denial
The appellate court denies the FTC's stay request, reinstating the old filing regime.
District Court Vacatur
A lower court finds the new HSR rules improperly promulgated and vacates them.
New HSR Rules Effective
The FTC's expanded premerger notification requirements officially take effect.
The U.S. Court of Appeals for the Fifth Circuit has denied the FTC's request to stay a lower court ruling, effectively suspending the rigorous 2025 HSR filing requirements. This decision provides immediate relief to dealmakers by reverting to the less-burdensome pre-2025 disclosure framework while the legal battle continues.
This page surfaces every story mentioning Hart-Scott-Rodino (HSR) Act across our startup coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.
Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running startup beat. Cross-entity comparisons live on our compare view.
| What you see | What it tells you |
|---|---|
| Story count | Number of distinct stories where Hart-Scott-Rodino (HSR) Act was a primary or referenced actor. |
| Recency clustering | Whether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc). |
| Sentiment distribution | Aggregate sentiment of the stories mentioning this entity, weighted by impact score. |
| Cross-niche links | When the same entity surfaces in our sibling networks, we link to those views to enrich context. |