Comparable stake leader
Michael Rapp
SEC ownership of Swarmer, Inc
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002092574.
Disclosed value leader
Michael Rapp
Comparable rows
34/38
Latest evidence
31 Mar 2026
- Public ticker
- SWMR on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Michael Rapp
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
34 of 38
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Michael Rapp
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
- 0002092574
- Issuer location
- Austin, 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 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.
Comparable stake leader
Michael Rapp
Disclosed value leader
Michael Rapp
Comparable rows
34/38
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 5%
4 rows are not safely comparable across share classes.
13D/G row: Michael Rapp
Showing 1-8 of 38 holder rows.
Quick read
Michael Rapp leads the comparable SEC ownership view at 5%.
34 of 38 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 Michael Rapp's linked filing trail.
Comparable ownership
Top 5
Michael Rapp
5%
HRT FINANCIAL LP
0.49%
Cambridge Investment Research Adv...
0.23%
FIFTH THIRD BANCORP
0.21%
Scientech Research LLC
0.16%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 38 holder rows
| 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 07 Aug 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
Largest Forms 3/4/5 holder
Philip Wagenheim
Net 12M change
$0
Latest report
18 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Philip Wagenheim | 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 | |||
| Erik Dean Prince | Director | Mixed | 16 Mar 2026 | |||
| Amir Frenkel | Director | Mixed | 16 Mar 2026 | |||
| Edward N. Antoian | Director | Mixed | 16 Mar 2026 | |||
| 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 | |||
| 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 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-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. |
* marks a reported price that did not pass the local price check.