STOCK TITAN

Director at Milestone Pharmaceuticals (MIST) receives 77,000 stock options at $1.22

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

Rhea-AI Filing Summary

Milestone Pharmaceuticals Inc. director Michael John Tomsicek received a grant of stock options covering 77,000 shares of common stock at an exercise price of $1.22 per share. The options vest in twelve equal monthly installments beginning on July 10, 2026, and will in any case be fully vested by the date of the next annual stockholders’ meeting, as long as he continues to provide service. Following this grant, he holds 77,000 stock options directly, which are scheduled to expire on June 10, 2036.

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Insider TOMSICEK MICHAEL JOHN
Role null
Type Security Shares Price Value
Grant/Award Stock Option (right to buy) 77,000 $0.00 --
Holdings After Transaction: Stock Option (right to buy) — 77,000 shares (Direct, null)
Footnotes (1)
  1. [object Object]
Option grant size 77,000 options Stock Option (right to buy) granted to director
Exercise price $1.22 per share Conversion or exercise price of granted options
Underlying shares 77,000 shares Underlying common stock tied to the option grant
Expiration date June 10, 2036 Option expiration for this grant
Vesting start July 10, 2026 First of twelve equal monthly vesting dates
Post-transaction options held 77,000 options Total options directly owned after the grant
Stock Option (right to buy) financial
"security_title: "Stock Option (right to buy)""
Grant, award, or other acquisition financial
"transaction_code_description: "Grant, award, or other acquisition""
vesting financial
"This option will vest in twelve (12) equal monthly installments"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
exercise price financial
"conversion_or_exercise_price: "1.2200""
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
expiration date financial
"expiration_date: "2036-06-10T00:00:00.000Z""
The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.
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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*
TOMSICEK MICHAEL JOHN

(Last)(First)(Middle)
C/O MILESTONE PHARMACEUTICALS INC.
1111 DR. FREDERIK-PHILIPS BLVD, STE 420

(Street)
MONTREALH4M 2X6

(City)(State)(Zip)

QUEBEC, CANADA

(Country)
2. Issuer Name and Ticker or Trading Symbol
Milestone Pharmaceuticals Inc. [ MIST ]
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)
06/10/2026
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
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)$1.2206/10/2026A77,000 (1)06/10/2036Common Stock77,000$077,000D
Explanation of Responses:
1. This option will vest in twelve (12) equal monthly installments, beginning on July 10, 2026, provided that the option will in any case be fully vested on the date of next annual meeting of the stockholders of the Issuer, subject to the Reporting Person continuing to provide service through each such vesting date.
/s/ Joseph Oliveto, Attorney-in-Fact06/12/2026
** 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 did Milestone Pharmaceuticals (MIST) disclose in this Form 4 filing?

Milestone Pharmaceuticals reported that director Michael John Tomsicek received a grant of stock options for 77,000 shares of common stock at a $1.22 exercise price. These options represent equity-based compensation rather than an open‑market stock purchase or sale.

How many Milestone Pharmaceuticals (MIST) options were granted to the director?

The director was granted stock options covering 77,000 shares of Milestone Pharmaceuticals common stock. This entire 77,000-share option position is reported as directly owned following the transaction, providing him potential future ownership if the options are exercised.

What is the exercise price and term of the new MIST stock options?

The granted stock options have an exercise price of $1.22 per share and are scheduled to expire on June 10, 2036. This long-dated term gives the director a multi‑year window to decide whether to exercise the options.

How do the Milestone Pharmaceuticals (MIST) options vest for the director?

The option grant will vest in twelve equal monthly installments starting July 10, 2026. According to the disclosure, the options will in any case be fully vested by the next annual stockholders’ meeting, if the director continues providing service through each vesting date.

Is this MIST Form 4 a market purchase or sale of shares?

No, this filing reports an option grant classified as a “Grant, award, or other acquisition,” not an open‑market trade. The director received the options as compensation and would need to exercise them later to acquire actual common shares.

How many Milestone Pharmaceuticals (MIST) options does the director hold after this grant?

Following this reported transaction, the director holds 77,000 stock options directly. These options relate to 77,000 underlying shares of Milestone Pharmaceuticals common stock, contingent on vesting and any future exercise decisions.