Alpha Cognition (ACOG) COO adds 3,500 shares in open-market purchase

Rhea-AI Filing Summary

Alpha Cognition Inc. Chief Operating Officer Lauren D'Angelo bought 3,500 Common Shares in an open-market purchase at $5.76 per share. This transaction increased her direct ownership to 140,695 shares, representing a modest expansion of her personal stake in the company.

Insider Trade Summary

Net Buyer: 3,500 shares ($20,160)

Net Buy 1 txn

Insider D'Angelo Lauren

Role Chief Operating Officer

Bought 3,500 shs ($20K)

Type	Security	Shares	Price	Value
Purchase	Common Shares	3,500	$5.76	$20K

Holdings After Transaction: Common Shares — 140,695 shares (Direct, null)

Footnotes (1)

Key Figures

Shares purchased: 3,500 shares Purchase price: $5.76 per share Shares owned after transaction: 140,695 shares +1 more

4 metrics

Shares purchased 3,500 shares Open-market purchase of Common Shares

Purchase price $5.76 per share Price paid in the May 19, 2026 transaction

Shares owned after transaction 140,695 shares Direct Common Share holdings after purchase

Net buy shares 3,500 shares Net buying across all transactions in this Form 4

Key Terms

Common Shares, open-market purchase, Form 4

3 terms

Common Shares financial

"security_title: "Common Shares" in the reported transaction"

Common shares are the basic units of ownership in a company that give holders a claim on profits and a right to vote on key matters, like electing the board. Think of them as membership cards in a club: they let you share in successes and losses, but in a bankruptcy or liquidation they are paid after creditors and preferred shareholders, so their value can swing more and matters for assessing risk and potential return.

open-market purchase financial

"transaction_action: "open-market purchase" for the Form 4 trade"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

Form 4 regulatory

"INSIDER FILING DATA (Form 4) describing the insider trade"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

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^*

D'Angelo Lauren

(Last) (First) (Middle)

C/O ALPHA COGNITION INC.

1200 - 750 WEST PENDER STREET

(Street)

VANCOUVER V6C 2T8

(City) (State) (Zip)

BRITISH COLUMBIA, CANADA

(Country)

2. Issuer Name and Ticker or Trading Symbol
Alpha Cognition Inc. [ ACOG ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/19/2026

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	05/19/2026		P		3,500	A	$5.76	140,695	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:

	Lauren D'Angelo	05/19/2026
	** 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)

FAQ

What insider transaction did Alpha Cognition (ACOG) report on this Form 4?

Alpha Cognition reported that Chief Operating Officer Lauren D'Angelo completed an open-market purchase of 3,500 Common Shares. The shares were acquired in a single transaction and increased her overall direct ownership position in the company.

At what price did the Alpha Cognition (ACOG) COO buy shares?

Lauren D'Angelo bought 3,500 Common Shares at $5.76 per share. This was recorded as an open-market purchase, meaning she acquired the shares on the market at that transaction price, rather than receiving them as compensation or through an option exercise.

How many Alpha Cognition (ACOG) shares does the COO own after this trade?

Following the transaction, Chief Operating Officer Lauren D'Angelo directly owns 140,695 Common Shares of Alpha Cognition Inc. This total reflects her position after adding the 3,500 shares purchased in the reported open-market transaction.

Is the Alpha Cognition (ACOG) insider transaction a purchase or a sale?

The filing shows a purchase. Lauren D'Angelo, Alpha Cognition’s Chief Operating Officer, executed an open-market buy of 3,500 Common Shares, with no reported sales or disposals in this specific Form 4 transaction record.

Did the Alpha Cognition (ACOG) Form 4 include any derivative transactions?

This Form 4 reports no derivative securities activity. The only transaction disclosed is a non-derivative open-market purchase of Common Shares, and the derivative summary section shows no remaining or newly reported derivative positions linked to this filing.