Cybin CEO buys 100K shares at $13.47 each

Cybin Inc.’s chief executive officer increased his direct ownership through a 100,000-share open-market purchase.

Rhea-AI Filing Summary

CYBIN INC. (HELP) reported that Chief Executive Officer Michael Halstead purchased 100,000 Common Shares on September 21, 2026. The weighted average purchase price was $13.4705 per share, with individual trades executed between $13.395 and $13.53. After these open-market purchases, he directly owns 168,568 Common Shares.

Insider Trade Summary

Net Buyer: 100,000 shares

Net Buy 1 txn

Insider Halstead Michael

Role Chief Executive Officer

Bought 100,000 shs ($1.35M)

Type	Security	Shares	Price	Value
Purchase	Common Shares F1	100,000	$13.4705	$1.35M

Holdings After Transaction: Common Shares — 168,568 shares (Direct)

Footnotes (1)

1. F1. The purchase price reported above is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.395 to $13.53, inclusive. The reporting person undertakes to provide to Cybin Inc., any security holder of Cybin Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

Key Figures

Shares purchased: 100,000 Common Shares Weighted average purchase price: $13.4705 per share Purchase price range: $13.395 to $13.53 per share +1 more

4 metrics

Shares purchased 100,000 Common Shares Open-market acquisition by the CEO on September 21, 2026

Weighted average purchase price $13.4705 per share Price for 100,000 Common Shares bought on September 21, 2026

Purchase price range $13.395 to $13.53 per share Range of prices for multiple trades included in the 100,000-share purchase

Shares owned after transaction 168,568 Common Shares Total direct holdings of the CEO following the September 21, 2026 purchases

Key Terms

weighted average price, multiple transactions, inclusive

3 terms

weighted average price financial

"The purchase price reported above is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

multiple transactions financial

"These shares were purchased in multiple transactions at prices"

inclusive financial

"at prices ranging from $13.395 to $13.53, inclusive."

FAQ

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

What insider transaction did CYBN report for its CEO on September 21, 2026?

Michael Halstead, CEO of CYBIN INC., purchased 100,000 Common Shares on September 21, 2026. These were open-market purchases at a weighted average price of $13.4705 per share, with trades occurring between $13.395 and $13.53.

What is the CEO’s total direct share ownership in CYBN after this Form 4 transaction?

After the reported purchases, Michael Halstead directly owns 168,568 Common Shares of CYBIN INC. This total reflects the addition of 100,000 shares acquired in the September 21, 2026 open-market transactions.

At what prices did the CYBN CEO’s September 21, 2026 share purchases occur?

The filing states a weighted average purchase price of $13.4705 per share. Individual trades were executed in a price range from $13.395 to $13.53 per share, inclusive, across multiple transactions that together totaled 100,000 shares.

Were the CYBN CEO’s recent share purchases made under a Rule 10b5-1 trading plan?

The Form 4 indicates that these transactions were not reported as being made under a Rule 10b5-1 trading plan. The document-level trading-plan affirmation box is left unchecked for this set of transactions.

What type of security did the CYBN CEO buy in the latest Form 4?

Michael Halstead purchased Common Shares of CYBIN INC. The Form 4 reports a total of 100,000 Common Shares acquired in open-market transactions at a weighted average price of $13.4705 per share.

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

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Available on EDGAR 09/21/2026 - 05:09 PM Accepted by SEC EDGAR 09/21/2026 - 05:07 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^*

Halstead Michael

(Last) (First) (Middle)

C/O CYBIN INC.

100 KING STREET W., SUITE 5600

(Street)

TORONTO M5X 1C9

(City) (State) (Zip)

ONTARIO, CANADA

(Country)

2. Issuer Name and Ticker or Trading Symbol
CYBIN INC. [ CYBN ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/21/2026

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	09/21/2026		P		100,000	A	$13.4705(1)	168,568	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:

1. The purchase price reported above is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.395 to $13.53, inclusive. The reporting person undertakes to provide to Cybin Inc., any security holder of Cybin Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

	/s/ Michael Halstead	09/21/2026
	** 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)