ETRA: Parry Graham discloses securities transactions

By AlphaYouPublished Sep 21, 2026Form 4

Stocks in this disclosure

Reported activity

Parry Graham

Reporting filer

Parry Graham reported Conversion in Electra Therapeutics, Inc.: 85504 units of Common Stock, dated 2026-09-21. The full Form 4 contains 2 transaction entries.

Disclosed: Sep 21, 2026

Reported details

2 entries

All validated entries in this disclosure
Security	Owner	Date	Code	Action	Quantity	Price	Following holdings	Reporting delay	Filed terms and references
Common Stock	Parry Graham	2026-09-21	C	Conversion	85504	Not stated (see footnotes)	85,504	0 days	Filed terms security Title: Common Stock transaction Date: 2026-09-21 transaction Form Type: 4 transaction Code: C equity Swap Involved: 0 transaction Shares: 85504 id: F1 id: F2 transaction Acquired Disposed Code: A shares Owned Following Transaction: 85504 direct Or Indirect Ownership: D nature Of Ownership:
Series A Convertible Preferred Stock (derivative)	Parry Graham	2026-09-21	C	Conversion	85504	Not stated (see footnotes)	0	0 days	Filed terms security Title: Series A Convertible Preferred Stock id: F2 transaction Date: 2026-09-21 transaction Form Type: 4 transaction Code: C equity Swap Involved: 0 transaction Shares: 85504 id: F1 id: F2 transaction Acquired Disposed Code: D id: F2 id: F2 underlying Security Title: Common Stock underlying Security Shares: 85504 id: F1 shares Owned Following Transaction: 0 direct Or Indirect Ownership: D nature Of Ownership:

Common Stock

Owner: Parry Graham
Date: 2026-09-21
Code: C
Action: Conversion
Quantity: 85504
Price: Not stated (see footnotes)
Following holdings: 85,504
Reporting delay: 0 days
Filed terms and references: Filed terms
security Title: Common Stock
transaction Date: 2026-09-21
transaction Form Type: 4
transaction Code: C
equity Swap Involved: 0
transaction Shares: 85504
id: F1
id: F2
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 85504
direct Or Indirect Ownership: D
nature Of Ownership:

Series A Convertible Preferred Stock (derivative)

Owner: Parry Graham
Date: 2026-09-21
Code: C
Action: Conversion
Quantity: 85504
Price: Not stated (see footnotes)
Following holdings: 0
Reporting delay: 0 days
Filed terms and references: Filed terms
security Title: Series A Convertible Preferred Stock
id: F2
transaction Date: 2026-09-21
transaction Form Type: 4
transaction Code: C
equity Swap Involved: 0
transaction Shares: 85504
id: F1
id: F2
transaction Acquired Disposed Code: D
id: F2
id: F2
underlying Security Title: Common Stock
underlying Security Shares: 85504
id: F1
shares Owned Following Transaction: 0
direct Or Indirect Ownership: D
nature Of Ownership:

Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.
Parry Graham: Chief Scientific Officer.
F1: 7,125 of the shares ("Restricted Shares") shall be subject to vesting as follows: 1/4th of the Restricted Shares shall vest monthly commencing from September 2, 2026.
F2: Each share of Series A Convertible Preferred Stock (the "Preferred Stock") converted automatically into 1 share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock had no expiration date.

Original sources

SEC ownership filing

Prepared automatically from public filing data. Report a correction.

Security

Owner

Date

Code

Action

Quantity

Price

Following holdings

Reporting delay

Filed terms and references

Common Stock

Parry Graham

2026-09-21

Conversion

85504

Not stated (see footnotes)

85,504

0 days

Filed terms

security Title: Common Stock
transaction Date: 2026-09-21
transaction Form Type: 4
transaction Code: C
equity Swap Involved: 0
transaction Shares: 85504
id: F1
id: F2
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 85504
direct Or Indirect Ownership: D
nature Of Ownership:

Series A Convertible Preferred Stock (derivative)

Parry Graham

2026-09-21

Conversion

85504

Not stated (see footnotes)

0 days

Filed terms

security Title: Series A Convertible Preferred Stock
id: F2
transaction Date: 2026-09-21
transaction Form Type: 4
transaction Code: C
equity Swap Involved: 0
transaction Shares: 85504
id: F1
id: F2
transaction Acquired Disposed Code: D
id: F2
id: F2
underlying Security Title: Common Stock
underlying Security Shares: 85504
id: F1
shares Owned Following Transaction: 0
direct Or Indirect Ownership: D
nature Of Ownership:

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.

Parry Graham: Chief Scientific Officer.

F1: 7,125 of the shares ("Restricted Shares") shall be subject to vesting as follows: 1/4th of the Restricted Shares shall vest monthly commencing from September 2, 2026.

F2: Each share of Series A Convertible Preferred Stock (the "Preferred Stock") converted automatically into 1 share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock had no expiration date.