Form 4 for MIST Milestone Pharmaceuticals Inc.

Accepted 2025-07-15 00:00:00 ET · period of report 2025-07-11 · accession 0001415889-25-019776 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2025-07-15	2025-07-11	MIST	Liebert Debra K.	Dir	A - Grant	—	+16.7K	16.8K	+13,123%	—
DM	2025-07-15	2025-07-11	MIST	Liebert Debra K.	Dir	A - Grant	—	+33.6K	16.8K	New	—

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Shares	2025-07-11	A	A	16,666	—	16,793	D	—	—	(F1) The reported securities are included within 16,793 Issuer Units purchased by the Reporting Person for $1.50 per Unit. Each Unit consists of one common share, one Series A common warrant and one Series B common warrant, each warrant represents the right to purchase 16,793 shares of common stock.
2	Derivative	Series A Common Warrants (right to buy)	2025-07-11	A	A	16,793	—	16,793	D	$1.50 · — to 2026-07-11	16,793 Common Shares	(F1) The reported securities are included within 16,793 Issuer Units purchased by the Reporting Person for $1.50 per Unit. Each Unit consists of one common share, one Series A common warrant and one Series B common warrant, each warrant represents the right to purchase 16,793 shares of common stock. (F3) Fully vested and exercisable.
3	Derivative	Series B Common Warrants (right to buy)	2025-07-11	A	A	16,793	—	16,793	D	$1.88 · — to 2030-07-11	16,793 Common Shares	(F1) The reported securities are included within 16,793 Issuer Units purchased by the Reporting Person for $1.50 per Unit. Each Unit consists of one common share, one Series A common warrant and one Series B common warrant, each warrant represents the right to purchase 16,793 shares of common stock. (F3) Fully vested and exercisable.