Holder evidence
37
SEC ownership of Swarmer, Inc
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002092574.
Lead holder
Michael Rapp
13D/G signal
Michael Rapp
Latest evidence
31 Mar 2026
- CIK
- 0002092574
- Symbol
- SWMR on Nasdaq
- Location
- Austin, TX
- SEC evidence mix
- 13D/G, 13F, and 3/4/5
- Lead holder
- Michael Rapp
- Latest large-stake holder
- Michael Rapp
- Latest evidence date
- 31 Mar 2026
Issuer identity
Ownership snapshot
Ownership snapshot
Top shareholders of Swarmer, 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.
Lead holder
Michael Rapp
13D/G signal
Michael Rapp
Evidence rows
37
Latest as of
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 5%
13D/G row: Michael Rapp
Showing 1-8 of 37 holder rows.
Rank 1 holder
Michael Rapp
13D/G
- Ownership
- 5%
- Position
- $25.14M
Rank 2 holder
HRT FINANCIAL LP
13F
- Ownership
- 0.49%
- Position
- $2.53M
Rank 3 holder
Cambridge Investment Research Advisors, Inc.
13F
- Ownership
- 0.23%
- Position
- $1.17M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Michael Rapp |
13D/G
Michael Rapoport
|
5%
|
$25,141,902
548,830 shares
|
$0 | 31 Mar 2026 |
| HRT FINANCIAL LP |
13F
Company
|
0.49%
|
$2,528,000
53,567 shares
|
— | 31 Mar 2026 |
| Cambridge Investment Research Advisors, Inc. |
13F
Company
|
0.23%
|
$1,173,000
24,851 shares
|
— | 31 Mar 2026 |
| FIFTH THIRD BANCORP |
13F
Company
|
0.21%
|
$1,104,480
23,400 shares
|
— | 31 Mar 2026 |
| Scientech Research LLC |
13F
Company
|
0.16%
|
$851,441
18,039 shares
|
— | 31 Mar 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
Company
|
0.13%
|
$692,802
14,678 shares
|
— | 31 Mar 2026 |
| Vident Advisory, LLC |
13F
Company
|
0.13%
|
$669,202
14,178 shares
|
— | 31 Mar 2026 |
| Defiance ETFs, LLC |
13F
Company
|
0.13%
|
$663,821
14,064 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 31 May 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 1-10 of 10 reporting-owner rows connected to Swarmer, Inc. Open a relationship link for the CIK-to-CIK filing trail.
Rows
10
Lead holder
Serhii Kupriienko
Net 12M change
$0
Latest report
18 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Serhii Kupriienko | Chief Executive Officer (Global), Director, 10%+ Owner | Mixed | 18 Mar 2026 | |||
| Alexander Fink | President and Chief Executive Officer (U.S.), Director, 10%+ Owner | Mixed | 18 Mar 2026 | |||
| Jennifer Jane DeTrani | Chief Legal Officer, General Counsel and Secretary. Exhibit 24.1 - Power of Attorney | Mixed | 16 Mar 2026 | |||
| Brooks Loring Ensign | Chief Financial Officer and Treasurer. Exhibit 24.1 - Power of Attorney | Mixed | 16 Mar 2026 | |||
| Philip Wagenheim | Director, 10%+ Owner | Mixed | 18 Mar 2026 | |||
| Erik Dean Prince | Director | Mixed | 16 Mar 2026 | |||
| Amir Frenkel | Director | Mixed | 16 Mar 2026 | |||
| Edward N. Antoian | Director | Mixed | 16 Mar 2026 | |||
| Derek Reisfield | Director | Mixed | 16 Mar 2026 | |||
| Justin Matthew Zeefe | Director | Mixed | 18 Mar 2026 |
Recent insider transactions for Swarmer, Inc
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Alexander Fink | SWMR | Common Stock | Award | 95.1% | 1,341,840 | 2,752,815 | 18 Mar 2026 | Direct | ||
| Alexander Fink | SWMR | Stock Option (right to buy) | Award | 400,000 | 400,000 | 18 Mar 2026 | Direct | |||
| Serhii Kupriienko | SWMR | Common Stock | Award | 1,341,840 | 1,341,840 | 18 Mar 2026 | Direct | |||
| Serhii Kupriienko | SWMR | Stock Option (right to buy) | Award | 400,000 | 400,000 | 18 Mar 2026 | Direct | |||
| Philip Wagenheim | SWMR | Common Stock | Conversion of derivative security | 1,124,981 | 1,124,981 | 18 Mar 2026 | Theseus Capital Partners, LLC | |||
| Philip Wagenheim | SWMR | Series A-1 Preferred Stock | Conversion of derivative security | -100% | -597,980 | 0 | 18 Mar 2026 | Theseus Capital Partners, LLC | ||
| Justin Matthew Zeefe | SWMR | Common Stock | Conversion of derivative security | 499,927 | 499,927 | 18 Mar 2026 | Green Flag Fund I, L.P. | |||
| Justin Matthew Zeefe | SWMR | Series A-4 Preferred Stock | Conversion of derivative security | -100% | -191,354 | 0 | 18 Mar 2026 | Green Flag Fund I, L.P. | ||
| Justin Matthew Zeefe | SWMR | Series A-1 Preferred Stock | Conversion of derivative security | -100% | -74,380 | 0 | 18 Mar 2026 | Green Flag Fund I, L.P. |
* indicates a reported price that failed the local validity check.