Private company
RMG Acquisition Corp. III
Electrical industrial apparatus company in the Cayman Islands.
Last updated Oct 18, 2026.
Overview
Financials
From the company’s reports to the SEC. Every number links to the filing it came from.
Financial statements
Cash flow is reported year to date, not quarter by quarter, so there are no separate quarterly figures.
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
- 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 three years, summarized. The full record is on SEC EDGAR.
Insider trades and holders
Large holders
Investors who own more than 5% must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively. 10 such filings since October 2021:
- Feb 14, 2025SCHEDULE 13G/A
- Nov 14, 2024SC 13G/A
- Feb 14, 2024SC 13G/A
- Feb 14, 2024SC 13G
- Feb 14, 2024SC 13G
- Feb 12, 2024SC 13G/A
- Jun 12, 2023SC 13G
- Feb 16, 2023SC 13G
- Feb 13, 2023SC 13G/A
- Feb 14, 2022SC 13G
From Forms 4 and Schedules 13D and 13G filed with the SEC.
Sources
The numbers on this page point here. Each one links to the record it came from.
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- 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