ATEK Athena Technology Acquisition Corp. II

CIK 0001882198 34 ready 8-Ks latest May 4, 2026, 7:59 PM ET RSS · JSON

Activity: NORMAL 1 filings / 30d vs 1 baseline

Ready 8-Ks 34

Latest filing May 4, 2026, 7:59 PM ET

Top materiality 0.90

Event mix other_material ×21 · other ×7 · m_and_a ×3

Sentiment 1 pos · 3 neg · 30 neu

Executive change recent →

Recent 8-K filings for ATEK

Highest-materiality recent filing

NYSE American commences delisting of Athena Technology for missing business combination deadline

December 12, 2024, 6:59 PM ET regulatory materiality 0.90 negative item 3.01 item 8.01 item 9.01

NYSE American initiated delisting proceedings against Athena Technology (ATEK) for failing to consummate a business combination within 36 months of IPO effectiveness.
Trading of ATEK common stock, units, and warrants suspended; company can request review by December 17, 2024.

Read filing →

May 4, 2026, 7:59 PM ET other material materiality 0.30 neutral item 8.01 item 9.01

Athena Tech Acquisition Corp. II deposits $497.74 for ninth monthly extension to June 14, 2026

Deposited $497.74 into trust account to extend deadline for initial business combination by one month.
April 23, 2026, 7:59 PM ET other material materiality 0.75 positive item 1.01 item 3.02 item 8.01 item 9.01 ◈ Material Agreements ×2

Athena II and Ace Green Recycling secure $32M PIPE financing for proposed business combination

PIPE investors to purchase 3.33M shares of 12% Series A Cumulative Convertible Preferred Stock at $12/share conversion, plus 5M warrants at $12 exercise, for $32M.
April 7, 2026, 7:59 PM ET other material materiality 0.35 neutral item 8.01 item 9.01

Athena Tech Acquisition Corp. II extends business combo deadline to May 14, 2026 with $497.74 deposit

Deposited $497.74 into trust account to fund the eighth monthly extension.
March 25, 2026, 7:59 PM ET M&A materiality 0.65 neutral item 1.01 item 9.01 ◈ Material Agreements

Athena Technology and Ace Green amend BCA: extend outside date, add 25.5M earnout shares, adjust board

Outside date for merger completion extended to April 30, 2026 from December 3, 2025.
March 5, 2026, 6:59 PM ET other materiality 0.30 neutral item 8.01 item 9.01

Athena Technology Acquisition Corp. II extends business combination deadline to April 14, 2026

Deposited $497.74 into trust account to fund one-month extension.
February 5, 2026, 6:59 PM ET other material materiality 0.25 neutral item 8.01 item 9.01

Athena Technology Acquisition Corp. II extends deadline to March 14, 2026 with $497.74 deposit

Deposited $497.74 into trust account to extend business combination deadline by one month.
January 30, 2026, 6:59 PM ET M&A materiality 0.50 neutral item 8.01 item 9.01

Investor presentation filed for Athena/Ace Green SPAC merger; details not provided

Ace Green investor presentation posted, highlights proprietary battery recycling technology.
January 6, 2026, 6:59 PM ET other materiality 0.30 neutral item 8.01 item 9.01

Athena Tech Acquisition II deposits $498 for one-month extension to Feb 14, 2026

Deposited $497.74 into trust account to extend business combination deadline from Jan 14 to Feb 14, 2026.
December 30, 2025, 6:59 PM ET other materiality 0.20 neutral item 5.07

Athena Technology Acquisition Corp. II stockholders elect directors and ratify auditor at annual meeting

Elected Isabelle Freidheim and Kirthiga Reddy as Class III directors with 9,835,056 votes For, 248 withheld, no broker non-votes.
December 9, 2025, 6:59 PM ET other material materiality 0.50 neutral item 8.01 item 9.01

Athena Tech SPAC extends deadline to Jan 14, 2026 with $497.74 deposit

Deposited $497.74 into trust account to extend deadline for initial business combination by one month.
November 4, 2025, 6:59 PM ET other materiality 0.25 neutral item 8.01 item 9.01

Athena Tech Acquisition Corp II deposits $497.74 to extend business combination deadline to Dec 14, 2025

Deposit of $497.74 into trust account extends deadline one month to December 14, 2025.
October 8, 2025, 7:59 PM ET other material materiality 0.50 neutral item 8.01 item 9.01

Athena Technology Acquisition Corp. II extends combination deadline to Nov 14, 2025

Deposited $497.74 into trust to extend business combination deadline by one month.
September 12, 2025, 7:59 PM ET other material materiality 0.45 neutral item 5.03 item 5.07 item 8.01 item 9.01 ◈ Governance Changes

Athena Technology Acquisition II shareholders approve extension to June 2026; $3.3M redeemed

Shareholders approved amendment to extend business combination deadline from Sep 14, 2025 to up to June 14, 2026, with monthly deposits.
August 11, 2025, 7:59 PM ET other materiality 0.20 neutral item 8.01 item 9.01

Athena Tech SPAC extends business combination deadline to Sept 14, 2025 with $6,203 deposit

Deposited $6,203.12 into trust account to extend period to consummate initial business combination.
July 9, 2025, 7:59 PM ET other material materiality 0.50 neutral item 8.01 item 9.01

Athena Technology Acquisition Corp. II extends deadline to August 14, 2025 with $6,203 deposit

Deposited $6,203.12 into trust account to extend business combination deadline by one month.
June 6, 2025, 7:59 PM ET other material materiality 0.25 neutral item 8.01 item 9.01

Athena Technology Acquisition Corp. II extends business combination deadline to July 14, 2025

Deposited $6,203.12 into trust account to extend deadline by one month.
May 19, 2025, 7:59 PM ET other material materiality 0.50 neutral item 8.01 item 9.01

Athena Technology SPAC files investor presentation for Ace Green battery recycling merger

Ace Green is an IP-driven battery recycling technology company; presentation details not fully visible in exhibit.
May 7, 2025, 7:59 PM ET other material materiality 0.10 neutral item 8.01 item 9.01

Athena Technology Acquisition Corp. II deposits $6,203 to extend business combination deadline to June 14, 2025

Deposited $6,203.12 into trust account to fund one-month extension from May 14 to June 14, 2025.
April 8, 2025, 7:59 PM ET other material materiality 0.20 neutral item 8.01 item 9.01

Athena Technology Acquisition Corp. II extends deadline to May 14, 2025 with $6,203 deposit

Deposited $6,203.12 into trust account for one-month extension to complete initial business combination.
March 7, 2025, 6:59 PM ET other material materiality 0.30 neutral item 8.01 item 9.01

Athena Technology Acquisition Corp. II extends deadline to April 14, 2025 with $6,203 deposit

Deposited $6,203.12 into trust account for fourth monthly extension.
February 12, 2025, 6:59 PM ET other material materiality 0.20 neutral item 8.01 item 9.01

Athena Technology Acquisition Corp. II extends deadline to March 14, 2025 with $6,203 deposit

Deposited $6,203.12 into trust account to extend business combination deadline by one month.
January 10, 2025, 6:59 PM ET other material materiality 0.30 neutral item 8.01 item 9.01

Athena Technology Acquisition Corp. II extends SPAC deadline to Feb 14, 2025

Deposited $6,203.12 into trust account to extend business combination deadline by one month.
December 12, 2024, 6:59 PM ET regulatory materiality 0.90 negative item 3.01 item 8.01 item 9.01

NYSE American commences delisting of Athena Technology for missing business combination deadline

NYSE American initiated delisting proceedings against Athena Technology (ATEK) for failing to consummate a business combination within 36 months of IPO effectiveness.
December 11, 2024, 6:59 PM ET other materiality 0.60 neutral item 5.03 item 5.07 item 8.01 item 9.01

Athena Tech SPAC extends deadline to Sep 2025; ~978K shares redeemed for $11.5M

Stockholders approved charter amendment extending business combination deadline from Dec 14, 2024 to up to Sep 14, 2025.
December 5, 2024, 6:59 PM ET M&A materiality 0.75 neutral item 1.01 item 7.01 item 9.01

Athena Technology Acquisition Corp. II signs definitive business combination with Ace Green Recycling

SPAC Athena to merge with Ace Green Recycling via Merger Sub; Ace survives as wholly owned subsidiary.
November 25, 2024, 6:59 PM ET regulatory materiality 0.70 negative item 3.01 item 7.01 item 9.01

Athena Technology receives NYSE American delisting notice over late Q3 2024 10-Q filing

Notice received Nov. 20, 2024; Q3 2024 10-Q due Nov. 19 was not filed.
November 12, 2024, 6:59 PM ET other material materiality 0.60 neutral item 8.01 item 9.01

Athena Tech Acquisition Corp. II deposits $25,756 to extend trust deadline for 9th monthly extension

Deposited $25,755.62 into trust account to extend business combination deadline by one month.
October 15, 2024, 7:59 PM ET other material materiality 0.50 neutral item 8.01 item 9.01

Athena Technology Acquisition Corp. II extends business combination deadline to Nov 14, 2024

Deposited $25,755.62 into trust account for one-month extension.
September 13, 2024, 7:59 PM ET other material materiality 0.75 negative item 4.02 item 8.01

Athena Tech SPAC restates Q3 2023 financials over $1.5M trust error; extends deadline to Oct 14

Non-reliance on Q3 2023 unaudited financials due to $1.5M trust withdrawal incorrectly recorded as investments instead of restricted cash.
August 8, 2024, 7:59 PM ET other material materiality 0.40 neutral item 8.01 item 9.01

Athena Technology II extends business combo deadline to Sep 14, 2024 via $25,756 deposit

Deposited $25,755.62 into trust account for sixth monthly extension.
July 24, 2024, 7:59 PM ET leadership materiality 0.60 neutral item 5.02 ◈ executive_change ×3

Director Randi Zuckerberg resigns; CFO Anna Apostolova replaced by Jennifer Calabrese

Randi Zuckerberg resigned from Board and all committees effective July 24, 2024; no disagreement with Company.
July 11, 2024, 7:59 PM ET other material materiality 0.25 neutral item 8.01 item 9.01

Athena Technology Acquisition Corp. II extends deadline to August 14, 2024 with $25,756 deposit

Deposited $25,755.62 into trust account to extend business combination deadline by one month.
June 17, 2024, 7:59 PM ET other material materiality 0.40 neutral item 8.01 item 9.01

Athena Tech SPAC deposits $25,755.62 to extend business combination deadline to July 14

Deposited $25,755.62 into trust account for one-month extension from June 14 to July 14, 2024.
May 14, 2024, 7:59 PM ET other materiality 0.20 neutral item 8.01 item 9.01

Athena Technology Acquisition Corp. II deposits $25,756 to extend combination deadline to June 14, 2024

Deposited $25,755.62 into trust account to extend period to complete initial business combination by one month to June 14, 2024.

Executive changes

Departed

Randi Zuckerberg

Director

ATEK · Athena Technology Acquisition Corp. II

Effective: 2024-07-24
Filed: July 24, 2024, 7:59 PM ET

On July 18, 2024, Randi Zuckerberg gave notice of her resignation as a member of the Board of Directors (the “Board”) of Athena Technology Acquisition Corp. II (the “Company”), and all other positions she held as a member of any committee of the Board.

Appointed

Jennifer Calabrese

Chief Financial Officer

ATEK · Athena Technology Acquisition Corp. II

Effective: 2024-07-24
Filed: July 24, 2024, 7:59 PM ET

The Company appointed a new Chief Financial Officer, Jennifer Calabrese, effective as of July 24, 2024, after serving as the Company’s outside consultant providing accounting and financial reporting services to the Company since September 2022.

Departed

Anna Apostolova

Chief Financial Officer

ATEK · Athena Technology Acquisition Corp. II

Effective: 2024-07-24
Successor: Jennifer Calabrese
Filed: July 24, 2024, 7:59 PM ET

As of the same date, Anna Apostolova stepped down as Chief Financial Officer to pursue other opportunities.

Materiality & sentiment trend

Max materiality 0.90 · Median 0.40 · Most common event other_material

1 positive 3 negative 30 neutral

source · ATEK on sec.gov