Eric L. Keller - 13 Oct 2026 Form 4 Insider Report for Retension Pharmaceuticals, Inc.

Reporting relationship: CHIEF EXECUTIVE OFFICER, Director
Issuer ticker: N/A
Reported as of: 13 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 13 Oct 2026, 18:12:28 UTC
Prior SEC filing: 08 Oct 2026
Source filing: View source filing
Reporting owner signature: /s/ Alex Schwartz, Attorney-in-fact

Key filing fact

Eric L. Keller filed Form 4 for Retension Pharmaceuticals, Inc. on 13 Oct 2026.

Key facts

This page summarizes Eric L. Keller's Form 4 filing for Retension Pharmaceuticals, Inc..
6 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 13 Oct 2026, 18:12.

Change

Previous filing in this sequence was filed on 08 Oct 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 0002156365 Primary reporting owner

Keller Eric L.

Relationship: CHIEF EXECUTIVE OFFICER, Director
Address: 1104 WEST BROAD STREET, SUITE 1029, FALLS CHURCH
Signature: /s/ Alex Schwartz, Attorney-in-fact
Signature date: 13 Oct 2026

Reported non-derivative transactions

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

No ticker transaction

Common Stock

Purchase

Transaction value
Shares: +20,800
Change %: +5.2%
Price: $12.00^*
Shares after: 423,377
Date: 13 Oct 2026
Ownership: Direct

No ticker transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +9,662
Change %: +2.3%
Price
Shares after: 433,039
Date: 13 Oct 2026
Ownership: Direct
Footnotes: F1

No ticker transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +31,368
Change %: +7.2%
Price
Shares after: 464,407
Date: 13 Oct 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

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

No ticker transaction Derivative

Stock Option (right to buy)

Award

Transaction value
Shares: +255,174
Change %
Price: $0.000000^*
Shares after: 255,174
Date: 13 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 255,174
Exercise price: $11.63
Footnotes: F3

No ticker transaction Derivative

Series A Convertible Preferred Stock

Conversion of derivative security

Transaction value
Shares: -9,662
Change %: -100%
Price
Shares after: 0
Date: 13 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 9,662
Exercise price
Footnotes: F1

No ticker transaction Derivative

Series B Convertible Preferred Stock

Conversion of derivative security

Transaction value
Shares: -31,368
Change %: -100%
Price
Shares after: 0
Date: 13 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 31,368
Exercise price
Footnotes: F2

^* 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

Each share of Series A Convertible Preferred Stock (the "Series A Preferred Stock") converted automatically into one share of Common Stock immediately prior to the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock had no expiration date.

Footnote F2

Each share of Series B Convertible Preferred Stock (the "Series B Preferred Stock") converted automatically into one share of Common Stock immediately prior to the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock had no expiration date.

Footnote F3

Option award granted pursuant to the Issuer's 2026 Equity Incentive Plan. Twenty-five percent of the stock option vests on August 14, 2027, with the remaining stock options vesting in 36 monthly increments thereafter, subject to the Reporting Person's continued service to the Issuer on each vesting date.