IMAX (NYSE: IMAX) Gelfond to sell 151K shares via preset plan

Rhea-AI Filing Summary

IMAX Corporation (IMAX) received a notice that Richard Gelfond plans to sell common shares under SEC Rule 144. Up to 151,253 shares may be sold through Goldman Sachs & Co. LLC on the NYSE, in connection with a Rule 10b5-1(c) selling plan dated 05/19/2026. The shares were acquired as compensation via stock options and are to be sold through a cashless exercise and same-day sale mechanism.

Key Figures

Shares to be sold: 151,253 shares Aggregate market value: $7,645,839.15 Selling plan date: 05/19/2026 +2 more

5 metrics

Shares to be sold 151,253 shares Maximum IMAX common shares covered by the Rule 144 notice

Aggregate market value $7,645,839.15 Reported market value associated with the 151,253 IMAX shares

Selling plan date 05/19/2026 Date of Rule 10b5-1(c) selling plan governing these sales

Notice date 08/18/2026 Date on which the Rule 144 notice is dated

Option acquisition date 01/03/2017 Date the compensatory stock options were acquired

Key Terms

Rule 144, Rule 10b5-1(c), cashless exercise

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Rule 10b5-1(c) regulatory

"selling plan dated 05/19/2026, that is intended to comply with Rule 10b5-1(c)."

Rule 10b5-1(c) is an SEC guideline that lets company insiders set up a written, pre-planned schedule to buy or sell their company stock when they are not in possession of material, nonpublic information. For investors, it matters because such plans can reduce the appearance of insider trading by separating decisions from inside knowledge—like putting your trades on autopilot—while also requiring scrutiny since pre-planned trades can still affect market confidence and share value.

cashless exercise financial

"Compensation -- Cashless exercise / same-day sale"

A cashless exercise is a way for an option holder to convert stock options into actual shares without paying the purchase price in cash; instead they immediately give up a portion of the newly issued shares to cover the cost and any withholding taxes. Investors care because this process increases the number of shares available and can slightly dilute existing holdings, while also signaling how insiders or employees are realizing compensation without needing cash — similar to paying for a purchase by handing over part of what you just bought.

FAQ

What share sale is being reported for IMAX (IMAX)?

The notice reports a planned sale of up to 151,253 IMAX common shares for the account of Richard Gelfond. The sales are expected to be executed through Goldman Sachs & Co. LLC on the NYSE under SEC Rule 144.

Who is selling IMAX (IMAX) shares and through which broker?

Shares are to be sold for the account of Richard Gelfond, using Goldman Sachs & Co. LLC as broker. The broker’s New York office is identified as the selling broker for these Rule 144 transactions.

How many IMAX (IMAX) shares may be sold under this notice and what is their value?

The notice covers up to 151,253 IMAX common shares, with an indicated aggregate market value of $7,645,839.15. These figures frame the potential size of the Rule 144 sale for Gelfond’s account.

What trading plan governs these IMAX (IMAX) share sales?

The sales are made under a selling plan dated 05/19/2026 intended to comply with Rule 10b5-1(c). Such plans prearrange trade parameters to help executives trade while managing insider information concerns.

How were the IMAX (IMAX) shares being sold originally acquired?

The shares were acquired as compensation via stock options on 01/03/2017. The sale is structured as a cashless exercise and same-day sale, meaning option exercise and share sale occur in a single transaction cycle.

When was the notice regarding IMAX (IMAX) share sales filed?

The notice is dated 08/18/2026. It documents Gelfond’s intention to sell shares under Rule 144, in connection with the previously adopted 10b5-1(c) plan dated 05/19/2026.

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

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Available on EDGAR 08/18/2026 - 05:46 PM Accepted by SEC EDGAR 08/18/2026 - 05:45 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0000944011
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	IMAX Corporation
SEC File Number	001-35066
Address of Issuer	2525 Speakman Drive Mississauga Unknown L5K 1B1
Phone	1-905-403-6457
Name of Person for Whose Account the Securities are To Be Sold	Richard Gelfond
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Goldman Sachs & Co. LLC 200 West Street New York NY 10282	151253	7645839.15	54842114	08/18/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	01/03/2017	Acquired as compensation -- Stock Options	Issuer			151253	01/03/2017	Compensation -- Cashless exercise / same-day sale

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks	The sales of shares set forth herein are made in connection with a selling plan dated 05/19/2026, that is intended to comply with Rule 10b5-1(c).
Date of Notice	08/18/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/19/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Goldman Sachs & Co. LLC on behalf of Richard Gelfond
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)