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Immix Biopharma (IMMX) director receives 6,250 RSUs and 12,500 options

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Immix Biopharma director Nancy T. Chang reported new equity awards, not open‑market trades. She received 6,250 restricted stock units under the 2021 Equity Incentive Plan, which vest in full on the earlier of the one-year anniversary of grant or the company’s 2027 annual stockholders’ meeting, subject to continued service.

She was also granted stock options for 12,500 shares of common stock at an exercise price of $8.78 per share, expiring on May 22, 2036, vesting in substantially equal monthly installments over 12 months or, if earlier, on the 2027 annual meeting date. After these awards, she holds 428,190 common shares directly and 496,940 shares indirectly through Robinhood II, LP, where she is general manager and disclaims beneficial ownership except for her pecuniary interest.

Positive

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Insider CHANG NANCY T
Role null
Type Security Shares Price Value
Grant/Award Stock Option (Right to Buy) 12,500 $0.00 --
Grant/Award Common Stock 6,250 $0.00 --
holding Common Stock -- -- --
Holdings After Transaction: Stock Option (Right to Buy) — 12,500 shares (Direct, null); Common Stock — 428,190 shares (Direct, null); Common Stock — 496,940 shares (Indirect, Held by Robinhood II, LP)
Footnotes (1)
  1. The Reporting Person was granted 6,250 restricted stock units ("RSUs") pursuant to the Issuer's 2021 Equity Incentive Plan, which RSUs will vest in full on the earlier of (i) the one-year anniversary of the date of grant, and (ii) the date that the Issuer's 2027 annual meeting of stockholders (the "2027 Annual Meeting") is held, subject to the Reporting Person's continued service with the Issuer. The Reporting Person is the general manager of Robinhood II, LP and may be deemed to beneficially own the securities held by Robinhood II, LP. The Reporting Person disclaims beneficial ownership of the common stock owned directly by Robinhood II, LP, except to the extent of her pecuniary interest therein. The stock option will vest in substantially equal monthly installments over the 12 months following the date of grant (or, in the event the 2027 Annual Meeting occurs prior to the first anniversary of the date of grant, any remaining unvested portion of the stock option will vest on the date of such 2027 Annual Meeting), subject to the Reporting Person's continued service on the Issuer's Board through the applicable vesting date.
RSUs granted 6,250 units Restricted stock units granted under 2021 Equity Incentive Plan
Stock options granted 12,500 options Options on common stock granted as director compensation
Option exercise price $8.78 per share Strike price for 12,500 stock options
Option expiration May 22, 2036 Expiration date of stock options
Direct common shares after award 428,190 shares Direct ownership following reported transactions
Indirect common shares 496,940 shares Held by Robinhood II, LP associated with Nancy T. Chang
restricted stock units financial
"The Reporting Person was granted 6,250 restricted stock units ("RSUs") pursuant to the Issuer's 2021 Equity Incentive Plan"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
2021 Equity Incentive Plan financial
"granted 6,250 restricted stock units ("RSUs") pursuant to the Issuer's 2021 Equity Incentive Plan"
pecuniary interest financial
"disclaims beneficial ownership of the common stock owned directly by Robinhood II, LP, except to the extent of her pecuniary interest therein"
stock option financial
"The stock option will vest in substantially equal monthly installments over the 12 months following the date of grant"
A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.
beneficially own financial
"may be deemed to beneficially own the securities held by Robinhood II, LP"
Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.
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SEC Form 4
FORM 4UNITED 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*
CHANG NANCY T

(Last)(First)(Middle)
C/O IMMIX BIOPHARMA, INC.
11400 WEST OLYMPIC BLVD., SUITE 200

(Street)
LOS ANGELES CALIFORNIA 90064

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Immix Biopharma, Inc. [ IMMX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/22/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock05/22/2026A6,250(1)A$0428,190D
Common Stock496,940IHeld by Robinhood II, LP(2)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$8.7805/22/2026A12,500 (3)05/22/2036Common Stock12,500$012,500D
Explanation of Responses:
1. The Reporting Person was granted 6,250 restricted stock units ("RSUs") pursuant to the Issuer's 2021 Equity Incentive Plan, which RSUs will vest in full on the earlier of (i) the one-year anniversary of the date of grant, and (ii) the date that the Issuer's 2027 annual meeting of stockholders (the "2027 Annual Meeting") is held, subject to the Reporting Person's continued service with the Issuer.
2. The Reporting Person is the general manager of Robinhood II, LP and may be deemed to beneficially own the securities held by Robinhood II, LP. The Reporting Person disclaims beneficial ownership of the common stock owned directly by Robinhood II, LP, except to the extent of her pecuniary interest therein.
3. The stock option will vest in substantially equal monthly installments over the 12 months following the date of grant (or, in the event the 2027 Annual Meeting occurs prior to the first anniversary of the date of grant, any remaining unvested portion of the stock option will vest on the date of such 2027 Annual Meeting), subject to the Reporting Person's continued service on the Issuer's Board through the applicable vesting date.
Remarks:
Exhibit 24.1 - Powers of Attorney
/s/ Ilya Rachman as Attorney-In-Fact for Nancy T. Chang05/29/2026
** Signature of Reporting PersonDate
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 equity awards did Immix Biopharma (IMMX) director Nancy T. Chang receive?

Nancy T. Chang received 6,250 restricted stock units and stock options for 12,500 shares of Immix Biopharma common stock. Both awards were granted as compensation, with the RSUs and options subject to specific vesting schedules tied to time and the 2027 annual stockholders’ meeting.

How do the 6,250 RSUs granted to Nancy T. Chang vest at Immix Biopharma (IMMX)?

The 6,250 RSUs vest in full on the earlier of one year after the grant date or the date of Immix Biopharma’s 2027 annual stockholders’ meeting. Vesting is contingent on Nancy T. Chang’s continued service with the company through the applicable vesting date.

What are the key terms of Nancy T. Chang’s 12,500 stock options at Immix Biopharma (IMMX)?

Nancy T. Chang’s 12,500 stock options have an exercise price of $8.78 per share and expire on May 22, 2036. They vest in substantially equal monthly installments over 12 months, or fully on the 2027 annual meeting date if that occurs earlier, subject to continued board service.

How many Immix Biopharma (IMMX) shares does Nancy T. Chang hold after these transactions?

Following the reported awards, Nancy T. Chang holds 428,190 shares of Immix Biopharma common stock directly. In addition, 496,940 shares are held indirectly through Robinhood II, LP, where she is general manager and disclaims beneficial ownership except for her pecuniary interest.

What is Robinhood II, LP’s role in Nancy T. Chang’s Immix Biopharma (IMMX) holdings?

Robinhood II, LP holds 496,940 Immix Biopharma shares reported as indirect holdings for Nancy T. Chang. She is the general manager and may be deemed to beneficially own those securities but formally disclaims beneficial ownership except to the extent of her pecuniary interest in the partnership.

Are Nancy T. Chang’s Form 4 transactions in Immix Biopharma (IMMX) open-market buys or sales?

The Form 4 shows compensation-related acquisitions, not open-market trades. Nancy T. Chang received RSUs and stock options at no cash cost per share, with vesting tied to time and service, and one entry reflects existing indirect holdings through Robinhood II, LP rather than new market purchases or sales.