Comparable stake leader
Proem SPAC Partners I LLC
SEC ownership of Proem Acquisition Corp. I
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002087446.
Disclosed value leader
Proem SPAC Partners I LLC
Comparable rows
47/49
Latest evidence
31 Mar 2026
- Public ticker
- PAAC, PAACU, PAACW 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
-
Proem SPAC Partners I LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
47 of 49
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Proem SPAC Partners I LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002087446
- Issuer location
- Dallas, TX
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 Proem Acquisition Corp. I (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
Proem SPAC Partners I LLC
Disclosed value leader
Proem SPAC Partners I LLC
Comparable rows
47/49
Latest evidence
31 Mar 2026
3/4/5
13D/G
13F
Lead comparable stake: 26%
2 rows are not safely comparable across share classes.
13D/G row: Proem SPAC Partners I LLC
Showing 1-8 of 49 holder rows.
Quick read
Proem SPAC Partners I LLC leads the comparable SEC ownership view at 26%.
47 of 49 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 Proem SPAC Partners I LLC's linked filing trail.
Comparable ownership
Top 5
Proem SPAC Partners I LLC
26%
Linden Capital L.P.
7.5%
Polar Asset Management Partners Inc.
6.5%
Magnetar Financial LLC
5.4%
MILLENNIUM MANAGEMENT LLC
4.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 49 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Proem SPAC Partners I LLC |
3/4/5
13D/G
10%+ Owner
|
26%
from 13D/G
|
$46,212,071
4,772,406 shares
mixed-class rows
|
— | 13 Feb 2026 |
| Linden Capital L.P. |
13D/G
Linden Advisors LP
|
7.5%
|
—
1,000,000 shares
|
$0 | 17 Feb 2026 |
| Polar Asset Management Partners Inc. |
13F
13D/G
Company
|
6.5%
from 13D/G
|
$12,012,000
1,200,000 shares
|
— | 31 Mar 2026 |
| Magnetar Financial LLC |
13F
13D/G
Company
|
5.4%
from 13D/G
|
$9,980,000
1,000,000 shares
|
— | 31 Mar 2026 |
| MILLENNIUM MANAGEMENT LLC |
13F
13D/G
Company
|
4.1%
from 13D/G
|
$8,443,435
843,500 shares
|
— | 31 Mar 2026 |
| Andrey Kazakov |
3/4/5
Director
|
0.14%
|
$249,750
25,000 shares
|
— | 11 Feb 2026 |
| David Eckstein |
3/4/5
Director
|
0.14%
|
$249,750
25,000 shares
|
— | 11 Feb 2026 |
| ARISTEIA CAPITAL, L.L.C. |
13F
Company
|
5.7%
|
$10,410,400
1,040,000 shares
|
— | 31 Mar 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
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 28 Jul 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-7 of 7 reporting-owner rows connected to Proem Acquisition Corp. I. Open a relationship link for the CIK-to-CIK filing trail.
Rows
7
Largest Forms 3/4/5 holder
Proem SPAC Partners I LLC
Net 12M change
$0
Latest report
13 Feb 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Proem SPAC Partners I LLC | 10%+ Owner | $46,212,071 | Filing P/S | 13 Feb 2026 | ||
| Imran Khan | Chief Executive Officer, Director, 10%+ Owner | $46,212,071 | Filing P/S | 13 Feb 2026 | ||
| David Eckstein | Director | $249,750 | Mixed | 11 Feb 2026 | ||
| Andrey Kazakov | Director | $249,750 | Mixed | 11 Feb 2026 | ||
| John Wu | Director | Mixed | 11 Feb 2026 | |||
| Greg Pearson | Chief Financial Officer | Mixed | 11 Feb 2026 | |||
| Amarnath Thombre | Director | Mixed | 11 Feb 2026 |
Recent insider transactions for Proem Acquisition Corp. I
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Proem SPAC Partners I LLC | PAAC | Ordinary Shares | Purchase | 6.75% | 292,500 | 4,625,833 | 13 Feb 2026 | Direct | ||
| Proem SPAC Partners I LLC | PAAC | Warrants to purchase Ordinary Shares | Purchase | 45278.6% | 146,250 | 146,573 | 13 Feb 2026 | Direct | ||
| Imran Khan | PAAC | Ordinary Shares | Purchase | 6.75% | 292,500 | 4,625,833 | 13 Feb 2026 | See Footnote | ||
| Imran Khan | PAAC | Warrants to purchase Ordinary Shares | Purchase | 45278.6% | 146,250 | 146,573 | 13 Feb 2026 | See Footnote |
* marks a reported price that did not pass the local price check.