Mark H. Rachesky MD - 28 Jul 2026 Form 4 Insider Report for STARZ ENTERTAINMENT CORP /CN/ (STRZ)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
30 Jul 2026, 16:15:05 UTC
Prior SEC filing
10 Jul 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Janet Yeung as attorney in fact

Key filing fact

Mark H. Rachesky MD filed Form 4 for STARZ ENTERTAINMENT CORP /CN/ (STRZ) on 30 Jul 2026.

Key facts

  • This page summarizes Mark H. Rachesky MD's Form 4 filing for STARZ ENTERTAINMENT CORP /CN/ (STRZ).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Accepted by SEC: 30 Jul 2026, 16:15.

Change

  • Previous filing in this sequence was filed on 10 Jul 2026.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001194368 Primary reporting owner

RACHESKY MARK H MD

Relationship
Director, 10%+ Owner
Address
40 WEST 57TH STREET, FLOOR 24, NEW YORK
Signature
/s/ Janet Yeung as attorney in fact
Signature date
30 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

STRZ transaction

Common Shares

Award

Transaction value
Shares
+1,946
Change %
+8.8%
Price
$0.000000*
Shares after
24,080
Date
28 Jul 2026
Ownership
Direct
Footnotes
F14
STRZ holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
6,488
Date
28 Jul 2026
Ownership
Direct
Footnotes
F1
STRZ holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
471,153
Date
28 Jul 2026
Ownership
See Footnotes
Footnotes
F2, F3, F13
STRZ holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
61,886
Date
28 Jul 2026
Ownership
See Footnotes
Footnotes
F4, F13
STRZ holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
97,963
Date
28 Jul 2026
Ownership
See Footnotes
Footnotes
F5, F6, F13
STRZ holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
246,799
Date
28 Jul 2026
Ownership
See Footnotes
Footnotes
F7, F8, F13
STRZ holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,678,258
Date
28 Jul 2026
Ownership
See Footnotes
Footnotes
F9, F10, F13
STRZ holding

Common Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
307,173
Date
28 Jul 2026
Ownership
See Footnotes
Footnotes
F11, F12, F13
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 14 footnotes

Footnote F1

Annual director compensation awards. These are restricted share units granted by the Issuer, payable upon vesting in an equal number of Common Shares, which are scheduled to vest in one annual installment on May 15, 2027.

Footnote F2

These shares are held for the account of MHR Capital Partners Master Account LP, an Anguilla, British West Indies limited partnership ("Master Account"). MHR Advisors LLC, a Delaware limited liability company ("Advisors"), is the general partner of Master Account. MHRC LLC, a Delaware limited liability company ("MHRC"), is the managing member of Advisors. Mark H. Rachesky, M.D. ("Dr. Rachesky") is the managing member of MHRC. MHR Fund Management LLC ("Fund Management") has an investment management agreement with Master Account pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Master Account. MHR Holdings LLC, a Delaware limited liability company ("MHR Holdings"), is the managing member of Fund Management. (Continued to footnote 3)

Footnote F3

Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Master Account. Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Footnote F4

These shares are held for the account of MHR Capital Partners (100) LP, a Delaware limited partnership ("Capital Partners (100)"). Advisors is the general partner of Capital Partners (100). MHRC is the managing member of Advisors. Dr. Rachesky is the managing member of MHRC. Fund Management has an investment management agreement with Capital Partners (100) pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Capital Partners (100). MHR Holdings is the managing member of Fund Management. Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Capital Partners (100). Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Footnote F5

These shares are held for the account of MHR Institutional Partners II LP, a Delaware limited partnership ("Institutional Partners II"). MHR Institutional Advisors II LLC, a Delaware limited liability company ("Institutional Advisors II"), is the general partner of Institutional Partners II. MHRC II LLC, a Delaware limited liability company ("MHRC II"), is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. Fund Management has an investment management agreement with Institutional Partners II pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners II. MHR Holdings is the managing member of Fund Management. (Continued to footnote 6)

Footnote F6

Accordingly, Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Institutional Partners II. Each of Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Footnote F7

These shares are held for the account of MHR Institutional Partners IIA LP, a Delaware limited partnership ("Institutional Partners IIA"). Institutional Advisors II is the general partner of Institutional Partners IIA. MHRC II is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. Fund Management has an investment management agreement with Institutional Partners IIA pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners IIA. MHR Holdings is the managing member of Fund Management. (Continued to footnote 8)

Footnote F8

Accordingly, Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Institutional Partners IIA. Each of Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Footnote F9

These shares are held for the account of MHR Institutional Partners III LP, a Delaware limited partnership ("Institutional Partners III"). MHR Institutional Advisors III LLC, a Delaware limited liability company ("Institutional Advisors III"), is the general partner of Institutional Partners III. Dr. Rachesky is the managing member of Institutional Advisors III. Fund Management is an affiliate of, and has an investment management agreement with, Institutional Partners III pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners III. MHR Holdings is the managing member of Fund Management. (Continued to footnote 10)

Footnote F10

Accordingly, Institutional Advisors III, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Institutional Partners III. Each of Institutional Advisors III, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Footnote F11

These shares are held for the account of MHR Institutional Partners IV LP, a Delaware limited partnership ("Institutional Partners IV"). MHR Institutional Advisors IV LLC, a Delaware limited liability company ("Institutional Advisors IV") is the general partner of Institutional Partners IV. Dr. Rachesky is the managing member of Institutional Advisors IV. Fund Management is an affiliate of, and has an investment management agreement with, Institutional Partners IV pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners IV. MHR Holdings is the managing member of Fund Management. (Continued to footnote 12)

Footnote F12

Accordingly, Institutional Advisors IV, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Institutional Partners IV. Each of Institutional Advisors IV, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Footnote F13

The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Ventures Limited, a limited company organized under the laws of England and Wales, Liberty Global Ltd., Bermuda exempted company limited by shares, Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales, Warner Bros. Discovery, Inc., a Delaware corporation, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III, Institutional Partners IV and Fund Management, but as to which they have no pecuniary interest.

Footnote F14

Director fees granted in restricted share units of the Issuer, which vested immediately upon grant.

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