Supernus Pharmaceuticals, Inc. (SUPN)
SUPN · Pharmaceutical Preparations · Rockville, MD · filing with the SEC since 2006
Grade5.9
◀ Past 5.2● Present 7.1▶ Future 5.0
Who owns Supernus Pharmaceuticals, Inc.
As filed with the SECHolders of 5% or more
3
Blackrock, Inc. holds 14.7% of Common Stock, as its SCHEDULE 13G/A filed Apr 22, 2025 says.
Directors and officers
11
report now, of 19 people on the record since 2012. 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 3 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Apr 22, 2025 · Common Stock
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Vanguard Capital Management
SCHEDULE 13G · filed Apr 30, 2026 · Common Stock
Millennium Management LLC
SCHEDULE 13G/A · filed Aug 6, 2026 · Common Stock, par value $0.001 per share · reported falling below 5%, from 5.7% in Feb 18, 2026
Armistice Capital, LLC
SCHEDULE 13G/A · filed Feb 17, 2026 · Common Stock, $0.001 par value per share · reported falling below 5%, from 5.06% in Nov 14, 2025
Dimensional Fund Advisors LP
SCHEDULE 13G/A · filed Jan 21, 2026 · Common Stock · reported falling below 5%
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What SUPN reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Sage Therapeutics, Inc.
An entity · co registrant · owns, named in the 10-K filed Mar 2, 2026
Sage Therapeutics, Inc.
A company bought · acquisition, legal entity · Jul 2025 · owns, named in the 10-K filed Mar 2, 2026
MDD US Enterprises LLC (Formerly USWM Enterprises)
A company bought · acquisition · owns, named in the 10-K filed Mar 2, 2026
8 subsidiaries in 1 country, from the list filed with the 10-K filed Mar 2, 2026.
Insider tradesForm 4
20sales
0purchases
13sales on a scheduled plan
7people selling
$10.3Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 4, 2025 to Nov 4, 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 Nov 4, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window7 of 19 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Bhatt Padmanabh P. | Sr. VP of IP, CSO | 7 | $5.4M | 6 | 0 | $0 |
| Khattar Jack A. | President, CEO | 3 | $1.8M | 3 | 0 | $0 |
| Mottola Frank | SVP, Chief Tech. Ops. Officer | 3 | $1.1M | 2 | 0 | $0 |
| Gemayel Georges | director | 2 | $1.0M | 0 | 0 | $0 |
| Horich William Todd | SVP, Commercial Operations | 2 | $500,000 | 0 | 0 | $0 |
| Hudson Frederick M. | director | 1 | $300,000 | 0 | 0 | $0 |
| Sensenig Bethany | director | 2 | $200,000 | 2 | 0 | $0 |