Private company
RMG Acquisition Corp. III
Electrical industrial apparatus company in the Cayman Islands1
In its 2023 annual report the company says: “We are a blank check company incorporated as a Cayman Islands exempted company on December 23, 2020. The Company’s sponsor is RMG Sponsor III, LLC, a Delaware limited liability company. We have not yet selected a business combination target.”31 It is headquartered in Miami Beach, Florida.1
Last updated Oct 21, 2026.
Overview
Financials
From the company’s reports to the SEC. Every number links to the filing it came from.
Financial statements
| Fiscal year | 2020 | 2021 | 2022 |
|---|---|---|---|
| Cash | $07 | $93.6K2 | $22.3K2 |
| Current assets | $10.2K7 | $661.7K2 | $73.2K2 |
| Total assets | $35.2K7 | $483.7M2 | $487.3M2 |
| Accounts payable | $73.4K2 | $153.6K2 | |
| Current liabilities | $25.0K7 | $163.7K2 | $1.2M2 |
| Total liabilities | $25.0K7 | $31.6M2 | $19.4M2 |
| Retained earnings | -$30.9M2 | -$19.2M2 | |
| Shareholders’ equity | $10.2K2 | -$30.9M2 | -$19.2M2 |
Cash flow is reported year to date, not quarter by quarter, so there are no separate quarterly figures.
Corporate structure
RMG Acquisition Corp. III sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.
Major holders of RMG Acquisition Corp. III
- Walleye Capital LLC Filed SCHEDULE 13G/A on RMG Acquisition Corp. III, latest Feb 14, 2025 (3 filings since Feb 14, 2024)
- Kerry Propper Filed SC 13G/A on RMG Acquisition Corp. III, latest Feb 14, 2024 (2 filings since Jun 12, 2023)
- METEORA CAPITAL, LLC Filed SC 13G on RMG Acquisition Corp. III, latest Feb 14, 2024 (2 filings since Feb 16, 2023)
- ARISTEIA CAPITAL, L.L.C. Filed SC 13G/A on RMG Acquisition Corp. III, latest Feb 12, 2024 (3 filings since Feb 14, 2022)
- RMG Acquisition Corp. III Miami Beach, Florida
Built from major holders from Schedules 13D and 13G. Each entity in the chart links to its source.
What it owns
What RMG Acquisition Corp. III reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.
Investments
Leadership
Who has led RMG Acquisition Corp. III, and when. Pick a name to see everywhere that person has worked.
Chief executive
President
Chief financial officer
Chief operating officer
- Chief executive officerRobert S. Mancini Feb 4, 2021 to Feb 11, 20218
- ChairDavid James Carpenter Feb 11, 2021 to Feb 11, 20219
- PresidentPhilip Kassin Feb 4, 2021 to Feb 11, 20218
- Chief financial officerWesley Sima Feb 4, 2021 to Feb 4, 202110
- Chief operating officerPhilip Kassin Feb 4, 2021 to Feb 11, 20218
Board members and other officers (7)
- Board memberCatherine Rice Feb 4, 2021 to Feb 4, 202111
- Board memberCraig W. Broderick Feb 4, 2021 to Feb 4, 202112
- Board memberDavid James Carpenter Feb 4, 2021 to Feb 4, 20218
- Board memberPhilip Kassin Feb 4, 2021 to Feb 11, 20218
- Board memberRobert S. Mancini Feb 4, 2021 to Feb 11, 20218
- Board memberW. Grant Gregory Feb 4, 2021 to Feb 4, 202113
- Board memberW. Thaddeus Miller Feb 4, 2021 to Feb 4, 202114
Timeline
- Jul 9, 20258-K Executive or director change; Regulation FD disclosure15
- Oct 18, 20248-K Bylaws or fiscal year changed; Shareholder vote16
- May 9, 20248-K Executive or director change17
- Apr 22, 20248-K Listing notice or transfer; Other events18
- Apr 19, 20248-K Listing notice or transfer; Other events19
- Apr 9, 20248-K Regulation FD disclosure20
- Apr 4, 20248-K Ended a material agreement21
- Feb 9, 20248-K Listing notice or transfer; Bylaws or fiscal year changed; Shareholder vote22
- Dec 27, 20238-K Listing notice or transfer23
- Dec 18, 20238-K Entered a material agreement; Regulation FD disclosure24
- Nov 7, 20238-K Listing notice or transfer; Executive or director change25
- Nov 3, 20238-K Regulation FD disclosure26
- Feb 4, 2021New chief executive Robert S. Mancini becomes CEO8
Filings
84 filings to the SEC since October 2021: 2 annual reports, 7 quarterly reports, 22 major events, 10 large holders, 43 other. The latest 20:
- Jul 28, 202515-12G EDGAR
- Jul 9, 20258-K CURRENT REPORT EDGAR
- Feb 14, 2025SCHEDULE 13G/A EDGAR
- Nov 14, 2024SC 13G/A EDGAR
- Oct 18, 20248-K CURRENT REPORT EDGAR
- Oct 8, 2024DEFA14A DEFINITIVE ADDITIONAL MATERIALS EDGAR
- Oct 7, 2024DEF 14A PROXY STATEMENT EDGAR
- Sep 18, 2024PRE 14A PROXY STATEMENT EDGAR
- May 29, 2024RW WITHDRAWAL REQUEST EDGAR
- May 9, 20248-K CURRENT REPORT EDGAR
- Apr 22, 20248-K CURRENT REPORT EDGAR
- Apr 19, 20248-K EDGAR
- Apr 9, 20248-K EDGAR
- Apr 4, 2024425 EDGAR
- Apr 4, 20248-K EDGAR
- Feb 14, 2024SC 13G/A EDGAR
- Feb 14, 2024SC 13G EDGAR
- Feb 14, 2024SC 13G EDGAR
- Feb 12, 2024SC 13G/A EDGAR
- Feb 9, 2024425 EDGAR
The 84 filings since October 2021 can be filtered by form type and year here when JavaScript is on.
Every filing from the last five years, summarized. The full record is on SEC EDGAR.
Major holders
Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.
- Walleye Capital LLCSCHEDULE 13G/A, 3 filings Feb 14, 2024 to Feb 14, 202527
- Kerry PropperSC 13G/A, 2 filings Jun 12, 2023 to Feb 14, 202428
- METEORA CAPITAL, LLCSC 13G, 2 filings Feb 16, 2023 to Feb 14, 202429
- ARISTEIA CAPITAL, L.L.C.SC 13G/A, 3 filings Feb 14, 2022 to Feb 12, 202430
SEC filer profile
How RMG Acquisition Corp. III is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.
- Name on EDGARRMG Acquisition Corp. III1
- CIK0001838108
- Filer status<br>emerging growth company1
- Incorporated inCayman Islands1
- Fiscal year endsDecember 311
- Industry code (SIC)3620 Electrical Industrial Apparatus1
- SEC reviewing officeOffice of Manufacturing, Division of Corporation Finance1
- Business address57 Ocean, Suite 403, 5775 Collins Avenue, Miami Beach, FL 331401
- Phone(786) 584-83521
- Public float$475.3M as of Jun 30, 20222
- On EDGAR sinceJan 4, 20211
- Filings105 in all: 8-K (26), 425 (15), 10-Q (9), 3 (6), NT 10-Q (5), SC 13G (5), DEF 14A (4), PRE 14A (4)1
All 28 form types
SC 13G/A (4), UPLOAD (4), S-4/A (3), 10-K (2), CORRESP (2), PRER14A (2), 15-12G (1), 25-NSE (1), 4 (1), 424B4 (1), 8-A12B (1), CERT (1), DEFA14A (1), EFFECT (1), NT 10-K (1), RW (1), S-1 (1), S-1/A (1), S-4 (1), SCHEDULE 13G/A (1)
- Latest filingsAnnual report (10-K) Apr 18, 2023
Quarterly report (10-Q) Nov 20, 2023
Proxy statement (DEF 14A) Oct 7, 2024
Latest 8-K (8-K) Jul 9, 2025
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9SEC EDGARDavid James Carpenter, Chair
- 10SEC EDGARWesley Sima, Chief financial officer
- 11SEC EDGARCatherine Rice, Board member
- 12SEC EDGARCraig W. Broderick, Board member
- 13SEC EDGARW. Grant Gregory, Board member
- 14SEC EDGARW. Thaddeus Miller, Board member
- 15
- 16
- 17SEC EDGARExecutive or director change
- 18
- 19
- 20SEC EDGARRegulation FD disclosure
- 21SEC EDGAREnded a material agreement
- 22
- 23SEC EDGARListing notice or transfer
- 24
- 25
- 26SEC EDGARRegulation FD disclosure
- 27
- 28
- 29
- 30
- 31