Lawrence G. Miller - 03 Aug 2026 Form 4 Insider Report for Apnimed, Inc. (APMD)

Reporting relationship: Director
Issuer ticker: APMD
Reported as of: 03 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Aug 2026, 16:01:04 UTC
Prior SEC filing: 30 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/Kevin R. Lind, Attorney-in-Fact

Key filing fact

Lawrence G. Miller filed Form 4 for Apnimed, Inc. (APMD) on 03 Aug 2026.

Key facts

This page summarizes Lawrence G. Miller's Form 4 filing for Apnimed, Inc. (APMD).
30 reported transactions and 19 derivative rows are listed below.
Accepted by SEC: 03 Aug 2026, 16:01.

Change

Previous filing in this sequence was filed on 30 Jul 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 0001572378 Primary reporting owner

Miller Lawrence G.

Relationship: Director
Address: APNIMED, INC., 39 JOHN F. KENNEDY STREET, 4TH FLOOR, CAMBRIDGE
Signature: /s/Kevin R. Lind, Attorney-in-Fact
Signature date: 03 Aug 2026

Reported non-derivative transactions

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

APMD transaction

Class A Common Stock

Disposed to Issuer

Transaction value
Shares: -92,431
Change %: -100%
Price
Shares after: 0
Date: 03 Aug 2026
Ownership: By Lawrence G. Miller Irrevocable Family Trust
Footnotes: F1, F2

APMD transaction

Common Stock

Award

Transaction value
Shares: +92,431
Change %
Price
Shares after: 92,431
Date: 03 Aug 2026
Ownership: By Lawrence G. Miller Irrevocable Family Trust
Footnotes: F1, F2

APMD transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +10,845
Change %: +12%
Price
Shares after: 103,276
Date: 03 Aug 2026
Ownership: By Lawrence G. Miller Irrevocable Family Trust
Footnotes: F2, F3

APMD transaction

Class A Common Stock

Disposed to Issuer

Transaction value
Shares: -88,954
Change %: -100%
Price
Shares after: 0
Date: 03 Aug 2026
Ownership: By Kathleen W. Miller Irrevocable Trust
Footnotes: F1, F2

APMD transaction

Common Stock

Award

Transaction value
Shares: +88,954
Change %
Price
Shares after: 88,954
Date: 03 Aug 2026
Ownership: By Kathleen W. Miller Irrevocable Trust
Footnotes: F1, F2

APMD transaction

Class A Common Stock

Disposed to Issuer

Transaction value
Shares: -88,954
Change %: -100%
Price
Shares after: 0
Date: 03 Aug 2026
Ownership: By James S. Miller Irrevocable Trust
Footnotes: F1, F2

APMD transaction

Common Stock

Award

Transaction value
Shares: +88,954
Change %
Price
Shares after: 88,954
Date: 03 Aug 2026
Ownership: By James S. Miller Irrevocable Trust
Footnotes: F1, F2

APMD transaction

Class A Common Stock

Disposed to Issuer

Transaction value
Shares: -88,954
Change %: -100%
Price
Shares after: 0
Date: 03 Aug 2026
Ownership: By David G. Miller Irrevocable Trust
Footnotes: F1, F2

APMD transaction

Common Stock

Award

Transaction value
Shares: +88,954
Change %
Price
Shares after: 88,954
Date: 03 Aug 2026
Ownership: By David G. Miller Irrevocable Trust
Footnotes: F1, F2

APMD transaction

Class A Common Stock

Disposed to Issuer

Transaction value
Shares: -88,954
Change %: -100%
Price
Shares after: 0
Date: 03 Aug 2026
Ownership: By Ellen K. Williams Irrevocable Family Trust
Footnotes: F1, F2

APMD transaction

Common Stock

Award

Transaction value
Shares: +88,954
Change %
Price
Shares after: 88,954
Date: 03 Aug 2026
Ownership: By Ellen K. Williams Irrevocable Family Trust
Footnotes: F1, F2

Reported derivative securities

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

APMD transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -10,845
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 03 Aug 2026
Ownership: By Lawrence G. Miller Irrevocable Family Trust
Underlying class: Common Stock
Underlying amount: 10,845
Exercise price
Footnotes: F1, F2, F3

APMD transaction Derivative

Stock Option (Right to Buy)

Disposed to Issuer

Transaction value
Shares: -688,042
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 688,042
Exercise price: $1.00
Footnotes: F1, F4

APMD transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +688,042
Change %
Price: $0.000000^*
Shares after: 688,042
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 688,042
Exercise price: $1.00
Footnotes: F1, F4

APMD transaction Derivative

Stock Option (Right to Buy)

Disposed to Issuer

Transaction value
Shares: -98,843
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 98,843
Exercise price: $1.00
Footnotes: F1, F4

APMD transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +98,843
Change %
Price: $0.000000^*
Shares after: 98,843
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 98,843
Exercise price: $1.00
Footnotes: F1, F4

APMD transaction Derivative

Stock Option (Right to Buy)

Disposed to Issuer

Transaction value
Shares: -302,541
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 302,541
Exercise price: $1.06
Footnotes: F1, F4

APMD transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +302,541
Change %
Price: $0.000000^*
Shares after: 302,541
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 302,541
Exercise price: $1.06
Footnotes: F1, F4

APMD transaction Derivative

Stock Option (Right to Buy)

Disposed to Issuer

Transaction value
Shares: -333,580
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 333,580
Exercise price: $2.74
Footnotes: F1, F4

APMD transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +333,580
Change %
Price: $0.000000^*
Shares after: 333,580
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 333,580
Exercise price: $2.74
Footnotes: F1, F4

APMD transaction Derivative

Stock Option (Right to Buy)

Disposed to Issuer

Transaction value
Shares: -333,580
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 333,580
Exercise price: $4.00
Footnotes: F1, F5

APMD transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +333,580
Change %
Price: $0.000000^*
Shares after: 333,580
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 333,580
Exercise price: $4.00
Footnotes: F1, F5

APMD transaction Derivative

Stock Option (Right to Buy)

Disposed to Issuer

Transaction value
Shares: -333,580
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 333,580
Exercise price: $4.87
Footnotes: F1, F6

APMD transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +333,580
Change %
Price: $0.000000^*
Shares after: 333,580
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 333,580
Exercise price: $4.87
Footnotes: F1, F6

APMD transaction Derivative

Stock Option (Right to Buy)

Disposed to Issuer

Transaction value
Shares: -59,303
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 59,303
Exercise price: $8.88
Footnotes: F1, F4

APMD transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +59,303
Change %
Price: $0.000000^*
Shares after: 59,303
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 59,303
Exercise price: $8.88
Footnotes: F1, F4

APMD transaction Derivative

Stock Option (Right to Buy)

Disposed to Issuer

Transaction value
Shares: -25,574
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 25,574
Exercise price: $8.88
Footnotes: F1, F7

APMD transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +25,574
Change %
Price: $0.000000^*
Shares after: 25,574
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 25,574
Exercise price: $8.88
Footnotes: F1, F7

APMD transaction Derivative

Stock Option (Right to Buy)

Disposed to Issuer

Transaction value
Shares: -74,128
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 74,128
Exercise price: $8.15
Footnotes: F1, F8

APMD transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +74,128
Change %
Price: $0.000000^*
Shares after: 74,128
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 74,128
Exercise price: $8.15
Footnotes: F1, F8

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 8 footnotes

Footnote F1

Pursuant to a reclassification exempt under Rule 16b-7 and Rule 16b-3, each share of Class A Common Stock was reclassified into one share of Common Stock.

Footnote F2

The Reporting Person disclaims beneficial ownership of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Exchange Act or for any other purpose.

Footnote F3

Immediately prior to the Issuer's initial public offering, each share of Series A Preferred Stock automatically converted on a one-for-one basis into shares of the Issuer's Class A Common Stock. The Series A Preferred Stock has no expiration date.

Footnote F4

100% of the shares subject to the option are fully vested.

Footnote F5

25% of the shares subject to such option vest and become exercisable when the Reporting Person completes twelve months of continuous service after December 22, 2022, and the remainder of the shares vest and become exercisable in substantially equal quarterly installments for a period of 36 months thereafter, subject to the Reporting Person's continuous service to the Issuer on each such date.

Footnote F6

25% of the shares subject to such option vest and become exercisable when the Reporting Person completes twelve months of continuous service after December 21, 2023, and the remainder of the shares vest and become exercisable in substantially equal quarterly installments for a period of 36 months thereafter, subject to the Reporting Person's continuous service to the Issuer on each such date.

Footnote F7

25% of the shares subject to such option vest and become exercisable when the Reporting Person completes twelve months of continuous service after September 17, 2025, and the remainder of the shares vest and become exercisable in substantially equal quarterly installments for a period of 36 months thereafter, subject to the Reporting Person's continuous service to the Issuer on each such date.

Footnote F8

The shares subject to such option vest and become exercisable in substantially equal monthly installments for a period of 24 months after June 1, 2026, subject to the Reporting Person's continuous service to the Issuer on each such date.