Rigel director granted 5,750 RSUs

MILLER MICHAEL PATRICK reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

MILLER MICHAEL PATRICK reported acquisition or exercise transactions in this Form 4 filing.

RIGEL PHARMACEUTICALS INC director Michael Patrick Miller reported an equity grant of 5,750 shares of Common Stock via Restricted Stock Units. The award has a grant price of $0.00 per share because it is a compensation grant, not a market purchase.

According to the footnote, these Restricted Stock Units will fully vest on the date prior to the company’s next Annual Meeting, as long as Miller continues serving on the Board of Directors. After this grant, he holds 5,937 shares of Common Stock directly.

Insider Trade Summary

Grant/Award: 5,750 shares

Grant/Award 1 txn

Insider MILLER MICHAEL PATRICK

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	5,750	$0.00	$0.00

Holdings After Transaction: Common Stock — 5,937 shares (Direct)

Footnotes (1)

1. F1. The shares of Common Stock are to be acquired upon the vesting of a Restricted Stock Unit award granted to the Reporting Person. The Restricted Stock Units shall fully vest on the date prior to the Company's next Annual Meeting, subject to the Reporting Person's continuous service on the Company's Board of Directors.

Key Figures

RSU grant size: 5,750 shares Grant price: $0.00 per share Shares after transaction: 5,937 shares +2 more

5 metrics

RSU grant size 5,750 shares Restricted Stock Unit award to director on 2026-05-15

Grant price $0.00 per share Compensation-related RSU grant, not open-market purchase

Shares after transaction 5,937 shares Total Common Stock directly held following the grant

Transaction code A (grant, award, or other acquisition) SEC Form 4 non-derivative transaction classification

Vesting condition Fully vests before next Annual Meeting Subject to continuous Board service

Key Terms

Restricted Stock Unit, Annual Meeting, Grant, award, or other acquisition, Common Stock

4 terms

Restricted Stock Unit financial

"The shares of Common Stock are to be acquired upon the vesting of a Restricted Stock Unit award granted to the Reporting Person."

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

Annual Meeting regulatory

"The Restricted Stock Units shall fully vest on the date prior to the Company's next Annual Meeting, subject to the Reporting Person's continuous service"

A company's annual meeting is a yearly gathering where owners (shareholders) and the board review performance, ask questions, and vote on key matters like electing directors, approving auditor choices, and sometimes setting pay or dividend policies. For investors it matters because decisions made and votes cast can change who runs the company, influence strategy and payouts, and affect the value or direction of their investment—similar to a homeowners’ meeting where rules and leaders that shape your property’s value are decided.

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

Common Stock financial

"The shares of Common Stock are to be acquired upon the vesting of a Restricted Stock Unit award"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

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

What insider transaction did RIGEL (RIGL) director Michael Patrick Miller report?

Michael Patrick Miller reported receiving a grant of 5,750 shares of Common Stock through a Restricted Stock Unit award. This is a compensation-related acquisition at $0.00 per share, not an open-market stock purchase or sale.

Is the RIGEL (RIGL) Form 4 transaction a stock purchase or a grant?

The Form 4 shows a grant, not a purchase. Miller received 5,750 shares through a Restricted Stock Unit award, classified with code A for grant or award, meaning no cash was paid in a market transaction.

When will Michael Patrick Miller’s 5,750 RIGEL (RIGL) RSUs vest?

The 5,750 Restricted Stock Units will fully vest on the date before RIGEL’s next Annual Meeting. Vesting is contingent on Miller’s continuous service on the company’s Board of Directors through that time.

How many RIGEL (RIGL) shares does Michael Patrick Miller hold after this grant?

Following the Restricted Stock Unit grant, Michael Patrick Miller holds 5,937 shares of RIGEL Common Stock directly. This figure reflects his position after the reported acquisition on the Form 4 filing date.

Does the RIGEL (RIGL) Form 4 indicate any insider share sales?

The Form 4 does not report any insider sales. It shows a single acquisition transaction via a 5,750-share Restricted Stock Unit award to director Michael Patrick Miller, with no corresponding disposition or sale of shares.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 05/19/2026 - 08:49 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^*

MILLER MICHAEL PATRICK

(Last) (First) (Middle)

RIGEL PHARMACEUTICALS, INC.

611 GATEWAY BLVD, SUITE 900

(Street)

SOUTH SAN FRANCISCO CALIFORNIA 94080

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
RIGEL PHARMACEUTICALS INC [ RIGL ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

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 Stock	05/15/2026		A		5,750(1)	A	$0	5,937	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 shares of Common Stock are to be acquired upon the vesting of a Restricted Stock Unit award granted to the Reporting Person. The Restricted Stock Units shall fully vest on the date prior to the Company's next Annual Meeting, subject to the Reporting Person's continuous service on the Company's Board of Directors.

	/s/ Raymond Furey (Attorney-in-Fact)	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)