Milestone Pharmaceuticals Inc. (MIST)
Nasdaq: MIST · Pharmaceutical Preparations · Montreal, QC · filing with the SEC since 2007
Who owns Milestone Pharmaceuticals Inc.
As filed with the SECHolders of 5% or more
4
RTW Investments, LP holds 9.9% of Common Shares, no par value per share, as its SCHEDULE 13G/A filed May 15, 2026 says.
Directors and officers
14
report now, of 22 people on the record since 2019. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
RTW Investments, LP
SCHEDULE 13G/A · filed May 15, 2026 · Common Shares, no par value per share · 9.9% in Nov 14, 2025
Propel Bio Management, LLC
SCHEDULE 13G · filed Dec 23, 2025 · Common Stock
Pavaki Capital Management LLC
SCHEDULE 13G · filed Aug 7, 2026 · Common Shares, no par value
Adage Capital Management, L.P.
SCHEDULE 13G/A · filed May 13, 2026 · Common Shares, no par value · 9.99% in Nov 13, 2025
Trails Edge Capital Partners, LP
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Shares · reported falling below 5%, from 9.9% in Nov 14, 2025
Integrated Core Strategies (US) LLC
SCHEDULE 13G/A · filed Apr 30, 2025 · Common Shares, no par value · reported falling below 5%
Blackrock, Inc.
SCHEDULE 13G/A · filed Apr 22, 2025 · Common Stock · reported falling below 5%, from 7.6% in Feb 5, 2025
What MIST reports owning in othersstakes of 5% or more, and other ties
Milestone Pharmaceuticals Inc. reports no stake in another company in the record.
Insider tradesForm 4
13sales
0purchases
3sales on a scheduled plan
5people selling
$1.2Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window5 of 27 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Oliveto Joseph | President and CEO | 5 | $600,000 | 3 | 0 | $0 |
| Hasija Amit | CFO & EVP of Corp. Development | 2 | $200,000 | 0 | 0 | $0 |
| Nelson Jeffrey Edward | Chief Operating Officer | 2 | $200,000 | 0 | 0 | $0 |
| Bharucha David | Chief Medical Officer | 2 | $200,000 | 0 | 0 | $0 |
| Muller Lorenz | Chief Commercial Officer | 2 | $100,000 | 0 | 0 | $0 |