Comparable stake leader
A23 Revocable Trust No.1, Dated January 26, 2026
SEC ownership of Boost Run Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002090646.
Disclosed value leader
—
Comparable rows
0/5
Latest evidence
08 May 2026
- Public ticker
- BRUN
- Parsed ownership sources
- 3/4/5
- Largest SEC-reported holder
- A23 Revocable Trust No.1, Dated January 26, 2026
- Latest parsed ownership date
- 08 May 2026
- Issuer CIK
- 0002090646
- Issuer location
- Northbrook, IL
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Boost Run 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
A23 Revocable Trust No.1,...
Disclosed value leader
—
Comparable rows
0/5
Latest evidence
08 May 2026
3/4/5
Some rows are evidence-backed but not safely comparable across classes.
5 rows are not safely comparable across share classes.
Quick read
SEC ownership evidence is available, but the rows are not safely comparable across share classes.
0 of 5 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 A23 Revocable Trust No.1, Dated January 26, 2026's linked filing trail.
Detailed SEC evidence table Showing 1-5 of 5 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| A23 Revocable Trust No.1, Dated January 26, 2026 |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
8,016,095 shares
|
— | 08 May 2026 |
| Harilaos Georgakopoulos |
3/4/5
Chief Operating Officer, Director, 10%+ Owner
|
—
class O/S missing
|
—
8,016,095 shares
|
— | 08 May 2026 |
| B. Luke Weil |
3/4/5
Director, 10%+ Owner
|
—
class O/S missing
|
—
4,628,674 shares
|
— | 08 May 2026 |
| Sean Goodrich |
3/4/5
Director
|
—
class O/S missing
|
—
2,065,385 shares
|
— | 08 May 2026 |
| Ryan Matthew Burke |
3/4/5
Director
|
—
class O/S missing
|
—
792,500 shares
|
— | 08 May 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 06 Jun 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 1-8 of 8 reporting-owner rows connected to Boost Run Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
8
Largest Forms 3/4/5 holder
Sean Goodrich
Net 12M change
$0
Latest report
08 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Sean Goodrich | Director | Mixed | 08 May 2026 | |||
| Ryan Matthew Burke | Director | Mixed | 08 May 2026 | |||
| Erik Guckel | Chief Financial Officer | Mixed | 08 May 2026 | |||
| Harilaos Georgakopoulos | Chief Operating Officer, Director, 10%+ Owner | Mixed | 08 May 2026 | |||
| Jeffrey Kleinops | Director | Mixed | 08 May 2026 | |||
| Andrew Karos | Chief Executive Officer, Director, 10%+ Owner | Mixed | 08 May 2026 | |||
| A23 Revocable Trust No.1, Dated January 26, 2026 | 10%+ Owner | Mixed | 08 May 2026 | |||
| B. Luke Weil | Director, 10%+ Owner | Mixed | 08 May 2026 |
Recent insider transactions for Boost Run 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| B. Luke Weil | BRUN | Class A Common Stock, par value $0.0001 per share | 0 | 4,628,674 | 08 May 2026 | By Willow Lane Sponsor, LLC | ||||
| A23 Revocable Trust No.1, Dated January 26, 2026 | BRUN | Class A Common Stock, par value $0.0001 per share | 0 | 8,016,095 | 08 May 2026 | Direct | ||||
| Harilaos Georgakopoulos | BRUN | Class A Common Stock, par value $0.0001 per share | 0 | 8,016,095 | 08 May 2026 | By Self as Trustee for the A23 Revocable Trust No.1 | ||||
| Ryan Matthew Burke | BRUN | Class A Common Stock, par value $0.0001 per share | 0 | 792,500 | 08 May 2026 | Direct | ||||
| Sean Goodrich | BRUN | Class A Common Stock, par value $0.0001 per share | 0 | 2,065,385 | 08 May 2026 | By Goodrich ILMJS LLC |
* marks a reported price that did not pass the local price check.