Comparable stake leader
CGC III Sponsor LLC
SEC ownership of Factorial Energy Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002049662.
Disclosed value leader
CGC III Sponsor LLC
Comparable rows
50/50
Latest evidence
05 Jun 2026
- Public ticker
- FAC, CGCT, CGCTU, CGCTW, FACWW on Nasdaq
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
CGC III Sponsor LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
CGC III Sponsor LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
05 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002049662
- Issuer location
- Billerica, MA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Factorial Energy Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
CGC III Sponsor LLC
Disclosed value leader
CGC III Sponsor LLC
Comparable rows
50/50
Latest evidence
05 Jun 2026
3/4/5
13D/G
13F
Lead comparable stake: 20%
13D/G row: CGC III Sponsor LLC
Showing 1-8 of 50 holder rows.
Quick read
CGC III Sponsor LLC leads the comparable SEC ownership view at 20%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens CGC III Sponsor LLC's linked filing trail.
Comparable ownership
Top 5
CGC III Sponsor LLC
20%
Huang Siyu
19%
Wave Factorial Energy I, LLC
11%
Stellantis N.V.
9.5%
Fort Baker Capital Management LP
9.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| CGC III Sponsor LLC |
3/4/5
13D/G
10%+ Owner
|
20%
from 13D/G
|
$192,824,907
12,003,014 shares
mixed-class rows
|
+$15,471,351 | 05 Jun 2026 |
| Huang Siyu |
13D/G
|
19%
|
—
21,597,865 shares
|
$0 | 05 Jun 2026 |
| Wave Factorial Energy I, LLC |
13D/G
Mark Robinson
|
11%
|
—
11,474,452 shares
|
$0 | 05 Jun 2026 |
| Stellantis N.V. |
13D/G
|
9.5%
|
—
8,669,995 shares
|
$0 | 05 Jun 2026 |
| Fort Baker Capital Management LP |
13F
13D/G
Company
|
9.2%
from 13D/G
|
$27,718,557
2,702,931 shares
|
— | 31 Mar 2026 |
| Mercedes-Benz Corporate Investments LLC |
13D/G
|
8.1%
|
—
8,669,995 shares
|
$0 | 05 Jun 2026 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC |
13F
13D/G
Company
|
7.2%
from 13D/G
|
$20,756,250
2,025,000 shares
|
— | 31 Mar 2026 |
| MILLENNIUM MANAGEMENT LLC |
13D/G
13F
Company
|
5.5%
|
$15,432,155
1,504,842 shares
|
$0 | 30 Apr 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$33,254,036.
Buys
$33,254,036
Insiders: 3
Sells
$0
Insiders: 0
Net
+$33,254,036
Shares: +4,024,092
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 4,024,092
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 18,267 | 0 | $189,557 | $0 | +$189,557 |
| 3-6 | 4,005,825 | 0 | $33,064,479 | $0 | +$33,064,479 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 21 reporting-owner rows connected to Factorial Energy Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
21
Largest Forms 3/4/5 holder
CGC III Sponsor LLC
Net 12M change
+$33,254,035
Latest report
05 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| CGC III Sponsor LLC | 10%+ Owner | $192,824,907 | +$15,471,351 | +8.7% | Mixed | 05 Jun 2026 |
| Peter Yu | Chairman and CEO, Director, 10%+ Owner | $192,824,907 | +$15,471,351 | +8.7% | Mixed | 05 Jun 2026 |
| Pangaea Three-B, LP | 10%+ Owner | $192,824,907 | +$2,311,333 | +1.2% | Mixed | 05 Jun 2026 |
| Mark Ivers Robinson | 10%+ Owner | $113,597,074 | Market | 05 Jun 2026 | ||
| WAVE Equity GP LP | 10%+ Owner | $113,597,074 | Market | 05 Jun 2026 | ||
| Uriel Haskell Crocker II | 10%+ Owner | $113,597,074 | Market | 05 Jun 2026 | ||
| Praveen Kant Sahay | 10%+ Owner | $113,597,074 | Market | 05 Jun 2026 | ||
| Liad Y. Meidar | Director | $31,031,114 | Mixed | 05 Jun 2026 | ||
| Richard Wei | Chief Financial Officer | $5,645,254 | Mixed | 05 Jun 2026 | ||
| Dieter Zetsche | Director | $2,363,028 | Mixed | 05 Jun 2026 | ||
| Jason A. Duva | General Counsel | $458,203 | Mixed | 05 Jun 2026 | ||
| Joseph M. Taylor | Director | $236,285 | Mixed | 05 Jun 2026 | ||
| Uwe Keller | Director | Mixed | 05 Jun 2026 | |||
| Yingchao Yu | Chief Technology Officer, Director, 10%+ Owner | Mixed | 05 Jun 2026 | |||
| Scuteri Jeffrey T. Jr. | Principal Accounting Officer | Mixed | 05 Jun 2026 | |||
| Huang Siyu | Chief Executive Officer, Director, 10%+ Owner | Mixed | 05 Jun 2026 | |||
| Sanford M. Litvack | Director | Mixed | 05 Jun 2026 | |||
| Rafael de Luque | Chief Financial Officer, Director | Mixed | 05 Jun 2026 | |||
| Kevin Gold | Director | Mixed | 05 Jun 2026 | |||
| Ali Bouzarif | Director | Mixed | 05 Jun 2026 |
Recent insider transactions for Factorial Energy Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| CGC III Sponsor LLC | CGCT | Series A Common Stock | Award | 2,648,298 | 1,468,894 | 05 Jun 2026 | See footnote | |||
| CGC III Sponsor LLC | CGCT | Series A Common Stock | Award | 2,648,298 | 1,468,894 | 05 Jun 2026 | See footnote | |||
| CGC III Sponsor LLC | CGCT | Series A Common Stock | Award | 2,648,298 | 1,468,894 | 05 Jun 2026 | See footnote | |||
| CGC III Sponsor LLC | CGCT | Series A Common Stock | Conversion of derivative security | 100,000 | 100,000 | 05 Jun 2026 | See footnote | |||
| CGC III Sponsor LLC | CGCT | Series A Common Stock | Conversion of derivative security | 100,000 | 100,000 | 05 Jun 2026 | See footnote | |||
| CGC III Sponsor LLC | CGCT | Series A Common Stock | Conversion of derivative security | 100,000 | 100,000 | 05 Jun 2026 | See footnote | |||
| CGC III Sponsor LLC | CGCT | Series A Common Stock | Conversion of derivative security | 5,710,000 | 5,710,000 | 05 Jun 2026 | Direct | |||
| CGC III Sponsor LLC | CGCT | Series A Common Stock | Conversion of derivative security | 5,710,000 | 5,710,000 | 05 Jun 2026 | Direct | |||
| CGC III Sponsor LLC | CGCT | Series A Common Stock | Conversion of derivative security | 5,710,000 | 5,710,000 | 05 Jun 2026 | Direct | |||
| CGC III Sponsor LLC | CGCT | Class B ordinary shares | Other | -100% | -1,090,000 | 0 | 05 Jun 2026 | Direct | ||
| CGC III Sponsor LLC | CGCT | Class B ordinary shares | Other | -100% | -1,090,000 | 0 | 05 Jun 2026 | Direct | ||
| CGC III Sponsor LLC | CGCT | Class B ordinary shares | Other | -100% | -1,090,000 | 0 | 05 Jun 2026 | Direct | ||
| CGC III Sponsor LLC | CGCT | Class B ordinary shares | Conversion of derivative security | -50% | -100,000 | 100,000 | 05 Jun 2026 | See footnote | ||
| CGC III Sponsor LLC | CGCT | Class B ordinary shares | Conversion of derivative security | -50% | -100,000 | 100,000 | 05 Jun 2026 | See footnote | ||
| CGC III Sponsor LLC | CGCT | Class B ordinary shares | Conversion of derivative security | -50% | -100,000 | 100,000 | 05 Jun 2026 | See footnote | ||
| CGC III Sponsor LLC | CGCT | Class B ordinary shares | Conversion of derivative security | -50% | -5,710,000 | 5,710,000 | 05 Jun 2026 | Direct | ||
| CGC III Sponsor LLC | CGCT | Class B ordinary shares | Conversion of derivative security | -50% | -5,710,000 | 5,710,000 | 05 Jun 2026 | Direct | ||
| CGC III Sponsor LLC | CGCT | Class B ordinary shares | Conversion of derivative security | -50% | -5,710,000 | 5,710,000 | 05 Jun 2026 | Direct | ||
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 0.42% | $63,186 | $10.38 | 6,089 | 1,468,894 | 21 May 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 0.42% | $63,186 | $10.38 | 6,089 | 1,468,894 | 21 May 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 0.42% | $63,186 | $10.38 | 6,089 | 1,468,894 | 21 May 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Gift | -0.56% | -8,195 | 1,462,805 | 01 May 2026 | See footnote | ||
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Gift | -0.56% | -8,195 | 1,462,805 | 01 May 2026 | See footnote | ||
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Gift | -0.56% | -8,195 | 1,462,805 | 01 May 2026 | See footnote | ||
| CGC III Sponsor LLC | CGCT | Warrants | Purchase | 9.65% | $25,670 | $0.9000 | 28,522 | 324,120 | 17 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Warrants | Purchase | 9.65% | $25,670 | $0.9000 | 28,522 | 324,120 | 17 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Warrants | Purchase | 9.65% | $25,670 | $0.9000 | 28,522 | 324,120 | 17 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 7.29% | $1,032,700 | $10.33 | 100,000 | 1,471,000 | 16 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 7.29% | $1,032,700 | $10.33 | 100,000 | 1,471,000 | 16 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 7.29% | $1,032,700 | $10.33 | 100,000 | 1,471,000 | 16 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Warrants | Purchase | 106% | $130,806 | $0.8600 | 152,100 | 295,598 | 16 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Warrants | Purchase | 106% | $130,806 | $0.8600 | 152,100 | 295,598 | 16 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Warrants | Purchase | 106% | $130,806 | $0.8600 | 152,100 | 295,598 | 16 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 7.87% | $1,032,400 | $10.32 | 100,000 | 1,371,000 | 15 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 7.87% | $1,032,400 | $10.32 | 100,000 | 1,371,000 | 15 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 7.87% | $1,032,400 | $10.32 | 100,000 | 1,371,000 | 15 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Warrants | Purchase | 32.2% | $26,572 | $0.7600 | 34,963 | 143,498 | 15 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Warrants | Purchase | 32.2% | $26,572 | $0.7600 | 34,963 | 143,498 | 15 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Warrants | Purchase | 32.2% | $26,572 | $0.7600 | 34,963 | 143,498 | 15 Apr 2026 | See footnote |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 8.54% | $1,030,300 | $10.30 | 100,000 | 1,271,000 | 08 Apr 2026 | Direct |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 8.54% | $1,030,300 | $10.30 | 100,000 | 1,271,000 | 08 Apr 2026 | Direct |
| CGC III Sponsor LLC | CGCT | Warrants | Purchase | $74,889 | $0.6900 | 108,535 | 108,535 | 08 Apr 2026 | Direct | |
| CGC III Sponsor LLC | CGCT | Warrants | Purchase | $74,889 | $0.6900 | 108,535 | 108,535 | 08 Apr 2026 | Direct | |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 9.34% | $1,030,500 | $10.30 | 100,000 | 1,171,000 | 07 Apr 2026 | Direct |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 9.34% | $1,030,500 | $10.30 | 100,000 | 1,171,000 | 07 Apr 2026 | Direct |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 10.3% | $1,030,600 | $10.31 | 100,000 | 1,071,000 | 06 Apr 2026 | Direct |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 10.3% | $1,030,600 | $10.31 | 100,000 | 1,071,000 | 06 Apr 2026 | Direct |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 223.7% | $6,910,629 | $10.30 | 671,000 | 971,000 | 01 Apr 2026 | Direct |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | 223.7% | $6,910,629 | $10.30 | 671,000 | 971,000 | 01 Apr 2026 | Direct |
| CGC III Sponsor LLC | CGCT | Class A ordinary shares | Purchase | $3,083,100 | $10.28 | 300,000 | 300,000 | 31 Mar 2026 | Direct |
* marks a reported price that did not pass the local price check.