OPRX
OPTIMIZERX (OPRX)
NASDAQ
$4.97-$0.32 (-5.97%)
Price as of Jun 03, 2026 7:53 PM EDT
  • $97.4M
    Market Cap
  • -60.06%
    1-Year Change
  • Health Information Services
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
WHETSTONE CAPITAL ADVISORS, LLC
8.04%
1.5M
0 (0.00%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
7.12%
1.3M
+60,737 (+4.55%)
Dec 31, 2024
BLACKROCK INC.
6.26%
1.2M
+90,127 (+7.67%)
Jun 30, 2024
BLACKROCK, INC.
6.20%
1.2M
-31,210 (-2.68%)
Mar 31, 2026
VANGUARD GROUP INC
6.06%
1.1M
+77,824 (+6.85%)
Dec 31, 2025
ROYCE & ASSOCIATES LP
4.73%
888,030
+206,000 (+23.20%)
Mar 31, 2026
PARKMAN HEALTHCARE PARTNERS LLC
3.89%
729,369
+190,720 (+26.15%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions243.4M (75.63%)
  • Mutual Funds67.8M (21.06%)
  • Insiders10.7M (3.31%)
  • Other0 (0.00%)

Insider Transactions

  • 3.31% (10.7M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $5.2M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Silvestro Stephen L
Chief Executive Officer
In Kind
May 15, 2026
$27,190.99
5,219
$5.21
185,288
Odence-Ford Marion
Chief Legal & Admin Officer
Exempt
Feb 11, 2026
$0.00
4,000
$0.00
0
Odence-Ford Marion
Chief Legal & Admin Officer
Exempt
Feb 11, 2026
$0.00
4,000
$0.00
93,322
Odence-Ford Marion
Chief Legal & Admin Officer
In Kind
Feb 11, 2026
$12,792.78
1,386
$9.23
91,936
Stelmakh Edward
Chief Finance & Strat Officer
In Kind
Dec 23, 2025
$46,602.92
3,658
$12.74
123,172
Greco Theresa
Chief Commercial Officer
In Kind
Dec 23, 2025
$18,090.80
1,420
$12.74
72,868
Odence-Ford Marion
Chief Legal & Admin Officer
In Kind
Dec 23, 2025
$51,609.74
4,051
$12.74
89,322
Silvestro Stephen L
Chief Executive Officer
In Kind
Dec 23, 2025
$42,819.14
3,361
$12.74
190,507
D'Silva Andrew J.
Chief Business Officer
In Kind
Dec 19, 2025
$9,497.53
703
$13.51
44,735
Merrell Brendan W.
CHIEF OPERATING OFFICER
In Kind
Dec 19, 2025
$3,904.39
289
$13.51
26,207
Besch Doug
Chief Product & Tech Officer
Exempt
Dec 19, 2025
$0.00
1,964
$0.00
1,964
Stelmakh Edward
Chief Finance & Strat Officer
Exempt
Dec 19, 2025
$0.00
5,237
$0.00
5,237
Silvestro Stephen L
Chief Executive Officer
Exempt
Dec 19, 2025
$0.00
6,546
$0.00
6,547
Stelmakh Edward
Chief Finance & Strat Officer
Exempt
Dec 19, 2025
$0.00
5,237
$0.00
128,218
Besch Doug
Chief Product & Tech Officer
Exempt
Dec 19, 2025
$0.00
1,964
$0.00
71,536
Stelmakh Edward
Chief Finance & Strat Officer
Sell
Dec 19, 2025
$18,751.88
1,388
$13.51
126,830
Silvestro Stephen L
Chief Executive Officer
Exempt
Dec 19, 2025
$0.00
6,546
$0.00
195,462
Besch Doug
Chief Product & Tech Officer
In Kind
Dec 19, 2025
$7,849.31
581
$13.51
70,955
Silvestro Stephen L
Chief Executive Officer
In Kind
Dec 19, 2025
$21,534.94
1,594
$13.51
193,868
Greco Theresa
Chief Commercial Officer
In Kind
Nov 01, 2025
$34,689.57
1,693
$20.49
74,288
Odence-Ford Marion
Chief Legal & Admin Officer
Exempt
Oct 03, 2025
$0.00
6,649
$0.00
0
Stelmakh Edward
Chief Finance & Strat Officer
Exempt
Oct 03, 2025
$0.00
16,623
$0.00
0
Merrell Brendan W.
CHIEF OPERATING OFFICER
In Kind
Oct 03, 2025
$9,056.25
483
$18.75
27,208
Besch Doug
Chief Product & Tech Officer
Exempt
Oct 03, 2025
$0.00
3,325
$0.00
0
Odence-Ford Marion
Chief Legal & Admin Officer
Exempt
Oct 03, 2025
$0.00
6,649
$0.00
92,550
Stelmakh Edward
Chief Finance & Strat Officer
Exempt
Oct 03, 2025
$0.00
16,623
$0.00
127,387
Odence-Ford Marion
Chief Legal & Admin Officer
In Kind
Oct 03, 2025
$36,600.00
1,952
$18.75
90,598
Silvestro Stephen L
Chief Executive Officer
Exempt
Oct 03, 2025
$0.00
6,649
$0.00
0
Stelmakh Edward
Chief Finance & Strat Officer
In Kind
Oct 03, 2025
$82,612.50
4,406
$18.75
122,981
Besch Doug
Chief Product & Tech Officer
Exempt
Oct 03, 2025
$0.00
3,325
$0.00
70,555