---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-123772"
form_type: "8-K"
ticker: "ASRT"
cik: "0001808665"
company_name: "Assertio Holdings, Inc."
filed_at: "2025-12-22T23:59:59+00:00"
generated_at: "2026-05-16T12:26:15.013632+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Assertio Holdings to effect 1:15 reverse stock split effective Dec 26, 2025

## Summary
- Reverse split at ratio 1:15 effective 12:01 a.m. ET on Dec 26, 2025.
- Common stock will trade split-adjusted under symbol ASRT with new CUSIP 04546C 304.
- No fractional shares; cash will be paid for fractional interests based on Dec 24 closing price.
- Proportionate adjustments to conversion rate of 6.5% Convertible Senior Notes due 2027 and equity incentive plans.
- Reverse split approved by stockholders at May 7, 2025 annual meeting.

## SEC filing metadata
- accession: 0001104659-25-123772
- form_type: 8-K
- ticker: ASRT
- cik: 0001808665
- company_name: Assertio Holdings, Inc.
- filed_at: 2025-12-22T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 3.03, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1808665/000110465925123772/0001104659-25-123772-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1808665/000110465925123772/tm2533991d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-123772
- JSON: https://secwatch.observer/filing/0001104659-25-123772.json
- Plain text: https://secwatch.observer/filing/0001104659-25-123772.txt

## Source-grounded claims
- claim_id: 6c7712ba80d226c8d99f0962a95d24f546dbeaf7
  claim: Assertio Holdings, Inc.: Certificate of Amendment to certificate of incorporation to implement a 1-for-15 reverse stock split of common stock (effective 2025-12-26).
  evidence_excerpt: On December 19, 2025, Assertio Holdings, Inc. (the “ Company ”) filed a Certificate of Amendment to its certificate of incorporation (the “ Certificate of Amendment ”) to implement a reverse stock split (the “ Reverse Split ”) of the Company’s common stock, par value $0.0001 per share (the “ Common Stock ”), at a ratio of 1:15 (the “ Reverse Split Ratio ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1808665/000110465925123772/0001104659-25-123772-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.