enGene interim medical chief buys 5,102 shares

After the transaction, the Interim Chief Medical Officer reported direct holdings of 5,102 common shares.

Rhea-AI Filing Summary

enGene Therapeutics Inc. Interim Chief Medical Officer William Grossman purchased 5,102 common shares directly on September 22, 2026, at $1.97 per share. The transaction is described as a purchase in the open market or a private transaction. His reported direct holdings after the purchase were 5,102 shares. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Net Buyer: 5,102 shares

Net Buy 1 txn

Insider Grossman William

Role Interim Chief Medical Officer

Bought 5,102 shs ($10K)

Type	Security	Shares	Price	Value
Purchase	Common Shares	5,102	$1.97	$10K

Holdings After Transaction: Common Shares — 5,102 shares (Direct)

Key Figures

Common shares purchased: 5,102 shares Purchase price: $1.97 per share Direct holdings after purchase: 5,102 shares

3 metrics

Common shares purchased 5,102 shares September 22, 2026

Purchase price $1.97 per share September 22, 2026

Direct holdings after purchase 5,102 shares Reported after the September 22, 2026 purchase

Key Terms

Rule 10b5-1 plan

1 terms

Rule 10b5-1 plan regulatory

"No Rule 10b5-1 plan is reported for the purchase"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many ENGN shares did the Interim Chief Medical Officer purchase?

William Grossman, enGene Therapeutics Inc.'s Interim Chief Medical Officer, purchased 5,102 common shares directly on September 22, 2026, at $1.97 per share. His reported direct holdings after the purchase were 5,102 shares.

Was the ENGN purchase reported under a Rule 10b5-1 plan?

No Rule 10b5-1 plan is reported for the purchase.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/24/2026 - 04:41 PM Accepted by SEC EDGAR 09/24/2026 - 04:40 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Grossman William

(Last) (First) (Middle)

C/O 4868 RUE LEVY, SUITE 220

(Street)

SAINT-LAURENT H4R 2P1

(City) (State) (Zip)

QUEBEC, CANADA

(Country)

2. Issuer Name and Ticker or Trading Symbol
enGene Therapeutics Inc. [ ENGN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Interim Chief Medical Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/22/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Shares	09/22/2026		P		5,102	A	$1.97	5,102	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Ronald H.W. Cooper as attorney-in-fact for William Grossman	09/24/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)