Serhii Kupriienko - 19 Aug 2026 Form 4 Insider Report for Swarmer, Inc (SWMR)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: SWMR
Reported as of: 19 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 23 Sep 2026, 16:33:52 UTC
Prior SEC filing: 12 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Kostantinos Skordalos, Attorney-in-Fact for Serhii Kupriienko

Key filing fact

Serhii Kupriienko filed Form 4 for Swarmer, Inc (SWMR) on 23 Sep 2026.

Key facts

This page summarizes Serhii Kupriienko's Form 4 filing for Swarmer, Inc (SWMR).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 23 Sep 2026, 16:33.

Change

Previous filing in this sequence was filed on 12 Aug 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002114246 Primary reporting owner

Kupriienko Serhii

Relationship: Director, 10%+ Owner
Address: C/O SWARMER, INC, 4515 SETON CENTER PKWY #330, AUSTIN
Signature: /s/ Kostantinos Skordalos, Attorney-in-Fact for Serhii Kupriienko
Signature date: 23 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SWMR transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -1,202,065
Change %: -23%
Price: $0.000000^*
Shares after: 4,137,537
Date: 19 Aug 2026
Ownership: Direct
Footnotes: F1

SWMR transaction

Common Stock

Options Exercise

Transaction value
Shares: +235,163
Change %: +5.7%
Price
Shares after: 4,372,700
Date: 21 Sep 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SWMR transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value
Shares: -235,163
Change %: -14%
Price: $0.000000^*
Shares after: 1,410,975
Date: 21 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 235,163
Exercise price
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The restricted stock units held by the Reporting Person that were unvested upon the termination of his employment with a subsidiary of the Issuer on August 19, 2026 were forfeited. This transaction is being reported late due to an inadvertent administrative error and not any error of the Reporting Person.

Footnote F2

$0.00001.

Footnote F3

The shares underlying this option vest over a four-year period with (i) one-fourth vesting on the one-year anniversary of the grant date and (ii) one-forty-eighth vesting monthly thereafter, subject to the Reporting Person's continued service through the applicable vesting date.