secwatch / observer
8-K filed December 23, 2025, 6:59 PM ET ticker RVPH CIK 0001742927
regulatory confidence high sentiment negative materiality 0.85

FDA requires second Phase 3 trial for Reviva's brilaroxazine in schizophrenia; NDA delayed to late 2027

REVIVA PHARMACEUTICALS HOLDINGS, INC.

Machine-readable event card

schema_version
secwatch.filing_event.v1
accession
0001437749-25-038602
form_type
8-K
ticker
RVPH
cik
0001742927
company_name
REVIVA PHARMACEUTICALS HOLDINGS, INC.
filed_at
2025-12-23T23:59:59+00:00
discovered_at
2026-05-14T18:02:40.313003+00:00
generated_at
2026-05-16T12:16:34.623653+00:00
sec_items
["5.03", "5.07", "7.01", "8.01", "9.01"]
event_type
regulatory
sentiment
negative
materiality_score
0.85
calibrated_materiality_score
0.85
confidence
high
secwatch_canonical_url
https://secwatch.observer/filing/0001437749-25-038602
json_url
https://secwatch.observer/filing/0001437749-25-038602.json
markdown_url
https://secwatch.observer/filing/0001437749-25-038602.md
text_url
https://secwatch.observer/filing/0001437749-25-038602.txt
edgar_index_url
https://www.sec.gov/Archives/edgar/data/1742927/000143774925038602/0001437749-25-038602-index.htm
edgar_primary_document_url
https://www.sec.gov/Archives/edgar/data/1742927/000143774925038602/rvph20251216_8k.htm
generated_by_model
deepseek-v4-flash:cloud@v2
review_status
machine_generated
human_reviewed
false
corrected
false
correction_note
null
correction_timestamp
null
superseded_by
null

Source-grounded claims

6d196f616325b44dacb502d951a8d0cb15c46d93

REVIVA PHARMACEUTICALS HOLDINGS, INC.: Stockholders approved an amendment to the Certificate of Incorporation to increase authorized shares of Common Stock from 315,000,000 to 515,000,000, filed and effective December 18, 2025 (effective 2025-12-18).

On December 18, 2025, the Company filed the Increase in Authorized Charter Amendment with the Secretary of State of the State of Delaware and such amendment became effective immediately.

SEC 8-K Item 5.03/5.05/5.06 confidence 0.9 SEC evidence

Comparable filings

GROO

Groovy dismisses auditor after SEC suspension, reduces authorized common 99.5%, two officers depart

GROOVY COMPANY, INC. May 28, 2026, 3:28 PM ET regulatory Items 4.01, 4.02, 5.03, 5.02, 9.01

same fact type: governance_change same SEC item: 5.03, 9.01 same event type: regulatory similar materiality

This filing

On December 18, 2025, the Company filed the Increase in Authorized Charter Amendment with the Secretary of State of the State of Delaware and such amendment became effective immediately.

Comparable filing

On April 14, 2026, Articles of Amendment to the Articles of Incorporation of the Company (the “Articles of Amendment”) became effective upon acceptance for filing by the Secretary of State of the State of Wyoming.

Filing page SEC filing

SLXN

Silexion Therapeutics completes 1-for-10 reverse share split; warrants adjusted

Silexion Therapeutics Corp May 29, 2026, 7:00 AM ET regulatory Items 3.03, 5.03, 8.01, 9.01

same fact type: governance_change same SEC item: 5.03, 8.01, 9.01 same event type: regulatory

This filing

On December 18, 2025, the Company filed the Increase in Authorized Charter Amendment with the Secretary of State of the State of Delaware and such amendment became effective immediately.

Comparable filing

On May 28, 2026, the Company’s Board of Directors, acting pursuant to that approval by the Company’s shareholders, effected the Reverse Share Split following the close of trading on the Nasdaq Capital Market through the filing of a certificate with the Companies Registry of the Cayman Islands that served as an effective amendment to the Company’s Amended and Restated Memorandum of Association (the “ Memorandum Amendment ”).

Filing page SEC filing

ESAB

ESAB completes $1.45B acquisition of Eddyfi Technologies

ESAB Corp June 2, 2026, 6:41 AM ET m_and_a Items 2.01, 3.02, 5.03, 3.03, 7.01, 8.01, 9.01

same fact type: governance_change same SEC item: 5.03, 7.01, 8.01, 9.01 similar materiality

This filing

On December 18, 2025, the Company filed the Increase in Authorized Charter Amendment with the Secretary of State of the State of Delaware and such amendment became effective immediately.

Comparable filing

On June 1, 2026, the Company filed the Certificate of Designations with the Delaware Secretary of State to establish the preferences, limitations and relative rights of its 6.50% Series A Mandatory Convertible Preferred Stock (the “ Series A Mandatory Convertible Preferred Stock ”), which became effective upon filing.

Filing page SEC filing

OLOX

Olenox acquires CS Digital for $30M upfront; launches gas-powered data center platform

OLENOX INDUSTRIES INC. May 28, 2026, 8:30 AM ET m_and_a Items 1.01, 5.03, 2.01, 2.03, 3.02, 7.01, 8.01, 9.01

same fact type: governance_change same SEC item: 5.03, 7.01, 8.01, 9.01 similar materiality

This filing

On December 18, 2025, the Company filed the Increase in Authorized Charter Amendment with the Secretary of State of the State of Delaware and such amendment became effective immediately.

Comparable filing

On May 26, 2026, in connection with the closing of the Acquisition, the Company filed a Certificate of Designation of Series D Preferred Stock (the “Certificate of Designation”) with the Secretary of State of the State of Delaware, establishing the rights, preferences, privileges and restrictions of the Series D Preferred Stock.

Filing page SEC filing

SOUN

SoundHound AI files LivePerson financials, pro forma confirming acquisition; $300M equity shelf

SOUNDHOUND AI, INC. May 27, 2026, 5:27 PM ET m_and_a Items 5.03, 5.07, 8.01, 9.01

same fact type: governance_change same SEC item: 5.03, 5.07, 8.01, 9.01 similar materiality

This filing

On December 18, 2025, the Company filed the Increase in Authorized Charter Amendment with the Secretary of State of the State of Delaware and such amendment became effective immediately.

Comparable filing

The Second Amended and Restated Bylaws amend and restate those certain Amended and Restated Bylaws of the Company adopted by the Board on April 26, 2022, to remove the provision allowing any unauthorized, defective or conflicted transaction questioned in any stockholders’ derivative suit, or any other suit to enforce alleged rights of the Company or any of its stockholders, to be approved, ratified and confirmed by the Board or the Company’s stockholders before or after judgment, and thereby to be cured, and such approval, ratification or confirmation to constitute a bar to any claim or execution of any judgment in respect of such questioned transaction.

Filing page SEC filing

Enviri II Corp

New Enviri completes spin-off; starts trading June 2 under NVRI; ~$1.2B revenue, ~$140M EBITDA

Enviri II Corp June 1, 2026, 5:18 PM ET m_and_a Items 1.01, 2.03, 3.03, 5.03, 5.01, 5.02, 5.05, 7.01, 9.01

same fact type: governance_change same SEC item: 5.03, 7.01, 9.01 similar materiality

This filing

On December 18, 2025, the Company filed the Increase in Authorized Charter Amendment with the Secretary of State of the State of Delaware and such amendment became effective immediately.

Comparable filing

In connection with the Spin-Off, the Board adopted the Code of Conduct, a copy of which is available on New Enviri’s website at www.enviri.com.

Filing page SEC filing

DGAC

Disciplined Growth Acquisition Corp. closes $150M IPO on NYSE

DISCIPLINED GROWTH ACQUISITION Corp June 1, 2026, 4:15 PM ET other_material Items 1.01, 3.02, 5.02, 5.03, 8.01, 9.01

same fact type: governance_change same SEC item: 5.03, 8.01, 9.01 similar materiality

This filing

On December 18, 2025, the Company filed the Increase in Authorized Charter Amendment with the Secretary of State of the State of Delaware and such amendment became effective immediately.

Comparable filing

On May 26, 2026, in connection with the IPO, the Company filed its amended and restated memorandum and articles of association (the “Amended and Restated Memorandum and Articles of Association”) with the Cayman Islands Registrar of Companies, which was effective on May 26, 2026.

Filing page SEC filing

CECO

CECO Environmental completes acquisition of Thermon Group Holdings, issues ~22.5M shares and pays $329.4M cash

CECO ENVIRONMENTAL CORP June 1, 2026, 9:16 AM ET m_and_a Items 2.01, 2.03, 5.02, 5.03, 7.01, 9.01

same fact type: governance_change same SEC item: 5.03, 7.01, 9.01 similar materiality

This filing

On December 18, 2025, the Company filed the Increase in Authorized Charter Amendment with the Secretary of State of the State of Delaware and such amendment became effective immediately.

Comparable filing

The Bylaws Amendment increased the maximum number of directors that may constitute the full Board from nine to ten, to facilitate the expansion of the Board from eight to ten members and the appointment of two directors previously serving on the board of directors of Thermon, as contemplated by the Merger Agreement.

Filing page SEC filing

Source: SEC EDGAR
accession 0001437749-25-038602

This headline and bullets were generated automatically by deepseek-v4-flash:cloud@v2 from the public filing. Read the source on SEC.gov before relying on any specific claim. Not investment advice. See methodology for how this pipeline works.