What does share withholding for taxes mean in the IMAX (IMAX) Form 4?

Share withholding for taxes means IMAX Corporation retains a portion of vested shares to pay the insider’s tax obligations. In this filing, 51,720 common shares at $40.80 per share were withheld, coded as tax-withholding dispositions, rather than discretionary open-market stock sales.

How are IMAX (IMAX) restricted share units described in the Welton filing?

Footnotes explain that each restricted share unit represents the economic equivalent of one IMAX common share. These units vest over time and are then converted into common shares in specified installments on future dates, following the vesting schedules detailed in the accompanying footnotes.

IMAX (IMAX) president gains share awards as company withholds stock for tax

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Form Type

Rhea-AI Filing Summary

IMAX CORP President IMAX Global Theatres Mark Welton reported multiple equity compensation transactions in common shares and restricted share units. On March 7, 2026 he received grants and conversions of restricted share units and performance stock units into common shares, with no cash purchase or open-market sale activity.

IMAX Corporation withheld 51,720 common shares at $40.80 per share to satisfy tax obligations tied to these vesting and conversion events, which are coded as tax-withholding dispositions. According to the footnotes, following these transactions Welton holds 173,216 common shares and 53,272 restricted share units.

Insider Trade Summary

36,950 shares exercised/converted

Mixed 12 txns

Insider WELTON MARK

Role President IMAX Global Theatres

Type	Security	Shares	Price	Value
Exercise	restricted share units	12,959	$0.00	--
Exercise	restricted share units	14,325	$0.00	--
Exercise	restricted share units	9,666	$0.00	--
Grant/Award	restricted share units	19,613	$0.00	--
Exercise	common shares	12,959	$0.00	--
Exercise	common shares	14,325	$0.00	--
Exercise	common shares	9,666	$0.00	--
Tax Withholding	common shares	19,781	$40.80	$807K
Grant/Award	common shares	40,817	$0.00	--
Grant/Award	common shares	18,846	$0.00	--
Tax Withholding	common shares	31,939	$40.80	$1.30M
holding	common shares (opening balance)	--	--	--

Holdings After Transaction: restricted share units — 0 shares (Direct); common shares — 141,282 shares (Direct); common shares (opening balance) — 128,323 shares (Direct)

Footnotes (1)

Represents the conversion upon vesting of restricted share units into common shares. Mr. Welton is reporting the withholding of common shares by IMAX Corporation to satisfy the tax withholding obligations in connection with the delivery of common shares upon conversion of the restricted share unit transactions. Represents the conversion of vested performance stock units into common shares granted by the Company on March 7, 2023. The shares earned are based on the level of achievement on the EBITDA performance conditions over the three year performance period. Represents the conversion of vested performance stock units into common shares granted by the Company on March 7, 2023. The shares earned are based on the level of achievement on the TSR performance conditions over the three year performance period. Mr. Welton is reporting the withholding of common shares by IMAX Corporation to satisfy the tax withholding obligations in connection with the delivery of common shares upon conversion of the performance stock unit transactions. Each restricted share unit represents a contingent right to receive one common share of IMAX Corporation. Each restricted share unit is the economic equivalent of one common share of IMAX Corporation. The restricted share units vest and will be converted to common shares in three installments: 12,957 on each of March 7, 2024 and March 7, 2025 and 12,959 on March 7, 2026. The restricted share units vest and will be converted to common shares in three equal installments: 14,325 on each of March 7, 2025, March 7, 2026 and March 7, 2027. The restricted share units vest and will be converted to common shares in three installments: 9,666 on each of March 7, 2026 and March 7, 2027 and 9,668 on March 7, 2028. The restricted share units vest and will be converted to common shares in three installments: 6,537 on each of March 7, 2027 and March 7, 2028 and 6,539 on March 7, 2029. This represents the number of restricted share units for this transaction only. Mr. Welton's aggregate remaining restricted share unit and common share balances following these transactions will be 53,272 and 173,216, respectively.

Form 4 Insider Transactions: What Each Field Means →

03/10/2026 - 04:25 PM

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^*

WELTON MARK

(Last)

(First)

(Middle)

2525 SPEAKMAN DRIVE

C/O IMAX CORPORATION

(Street)

MISSISSAUGA

L5K 1B1

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
IMAX CORP [ IMAX ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President IMAX Global Theatres

3. Date of Earliest Transaction (Month/Day/Year)
03/07/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
common shares (opening balance)								128,323	D
common shares	03/07/2026		M		12,959⁽¹⁾	A	$0.00	141,282	D
common shares	03/07/2026		M		14,325⁽¹⁾	A	$0.00	155,607	D
common shares	03/07/2026		M		9,666⁽¹⁾	A	$0.00	165,273	D
common shares	03/07/2026		F		19,781⁽²⁾	D	$40.8	145,492	D
common shares	03/07/2026		A		40,817⁽³⁾	A	$0.00	186,309	D
common shares	03/07/2026		A		18,846⁽⁴⁾	A	$0.00	205,155	D
common shares	03/07/2026		F		31,939⁽⁵⁾	D	$40.8	173,216	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
restricted share units⁽⁶⁾	$0.00⁽⁷⁾	03/07/2026		M			12,959⁽¹⁾	⁽⁸⁾	⁽⁸⁾	common shares	12,959	$0.00⁽⁷⁾	0⁽¹²⁾	D
restricted share units⁽⁶⁾	$0.00⁽⁷⁾	03/07/2026		M			14,325⁽¹⁾	⁽⁹⁾	⁽⁹⁾	common shares	14,325	$0.00⁽⁷⁾	14,325⁽¹²⁾	D
restricted share units⁽⁶⁾	$0.00⁽⁷⁾	03/07/2026		M			9,666⁽¹⁾	⁽¹⁰⁾	⁽¹⁰⁾	common shares	9,666	$0.00⁽⁷⁾	19,334⁽¹²⁾	D
restricted share units⁽⁶⁾	$0.00⁽⁷⁾	03/07/2026		A		19,613		⁽¹¹⁾	⁽¹¹⁾	common shares	19,613	$0.00⁽⁷⁾	19,613⁽¹²⁾	D

Explanation of Responses:

1. Represents the conversion upon vesting of restricted share units into common shares.

2. Mr. Welton is reporting the withholding of common shares by IMAX Corporation to satisfy the tax withholding obligations in connection with the delivery of common shares upon conversion of the restricted share unit transactions.

3. Represents the conversion of vested performance stock units into common shares granted by the Company on March 7, 2023. The shares earned are based on the level of achievement on the EBITDA performance conditions over the three year performance period.

4. Represents the conversion of vested performance stock units into common shares granted by the Company on March 7, 2023. The shares earned are based on the level of achievement on the TSR performance conditions over the three year performance period.

5. Mr. Welton is reporting the withholding of common shares by IMAX Corporation to satisfy the tax withholding obligations in connection with the delivery of common shares upon conversion of the performance stock unit transactions.

6. Each restricted share unit represents a contingent right to receive one common share of IMAX Corporation.

7. Each restricted share unit is the economic equivalent of one common share of IMAX Corporation.

8. The restricted share units vest and will be converted to common shares in three installments: 12,957 on each of March 7, 2024 and March 7, 2025 and 12,959 on March 7, 2026.

9. The restricted share units vest and will be converted to common shares in three equal installments: 14,325 on each of March 7, 2025, March 7, 2026 and March 7, 2027.

10. The restricted share units vest and will be converted to common shares in three installments: 9,666 on each of March 7, 2026 and March 7, 2027 and 9,668 on March 7, 2028.

11. The restricted share units vest and will be converted to common shares in three installments: 6,537 on each of March 7, 2027 and March 7, 2028 and 6,539 on March 7, 2029.

12. This represents the number of restricted share units for this transaction only. Mr. Welton's aggregate remaining restricted share unit and common share balances following these transactions will be 53,272 and 173,216, respectively.

Remarks:

	/s/ Kenneth I. Weissman (attorney-in-fact for Mark Welton)	03/10/2026
	** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did IMAX (IMAX) executive Mark Welton report?

Mark Welton reported equity compensation activity, including grants and conversions of restricted share units and performance stock units into IMAX common shares. These were non-cash awards and vesting events, combined with share withholding to cover related tax obligations, rather than open-market buying or selling.

Did Mark Welton of IMAX (IMAX) buy or sell shares on the open market?

The filing shows no open-market purchases or sales by Mark Welton. Activity consists of equity awards, conversions of restricted and performance stock units into common shares, and company share withholding coded as tax-withholding dispositions to satisfy tax obligations arising from those vesting and conversion events.

How many IMAX (IMAX) shares and units does Mark Welton hold after these transactions?

Footnotes state that after these March 7, 2026 transactions, Mark Welton holds 173,216 IMAX common shares and 53,272 restricted share units. These figures reflect his remaining direct equity and unit position following the reported awards, unit conversions, and share withholdings for tax obligations.