As of September 29, 2026, the three largest insider holders of OPRX are William J Febbo (Ceo, 600.85K shares), William J Febbo (Chief Executive Officer, 469.38K shares), James Paul Lang (Director, 433.84K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | William J Febbo | Ceo | 1,070,229 | 0 | 1,070,229 | 37.6% | 20 Feb, 2025 |
| 2 | James Paul Lang | Director | 433,837 | 0 | 433,837 | 15.2% | 10 Jun, 2026 |
| 3 | Stephen L Silvestro | Chief Executive Officer | 183,551 | 0 | 183,551 | 6.4% | 24 Aug, 2026 |
| 4 | Miriam J Paramore | President And Cso | 145,656 | 0 | 145,656 | 5.1% | 03 Dec, 2021 |
| 5 | Edward Stelmakh | Chief Finance Strat Officer | 121,791 | 0 | 121,791 | 4.3% | 24 Aug, 2026 |
| 6 | Ellen O'Connor Vos | Director | 107,159 | 0 | 107,159 | 3.8% | 10 Jun, 2026 |
| 7 | Andrew J. D'Silva | Chief Business Officer | 99,660 | 0 | 99,660 | 3.5% | 02 Sep, 2026 |
| 8 | Patrick D Spangler | Director | 94,815 | 0 | 94,815 | 3.3% | 10 Jun, 2026 |
| 9 | Gregory D Wasson | Director | 91,700 | 0 | 91,700 | 3.2% | 10 Jun, 2026 |
| 10 | Marion Odence-Ford | Chief Legal Admin Officer | 90,407 | 0 | 90,407 | 3.2% | 24 Aug, 2026 |
| 11 | Gus D Halas | Director | 80,926 | 0 | 80,926 | 2.8% | 11 Jun, 2024 |
| 12 | Douglas P Baker | Chief Financial Officer | 79,592 | 0 | 79,592 | 2.8% | 05 Oct, 2021 |
| 13 | Theresa Greco | Chief Commercial Officer | 71,075 | 0 | 71,075 | 2.5% | 18 May, 2026 |
| 14 | Doug Besch | Chief Product Tech Officer | 66,876 | 0 | 66,876 | 2.3% | 23 Dec, 2025 |
| 15 | Cathy Klema | Director | 56,137 | 0 | 56,137 | 2.0% | 10 Jun, 2026 |
| 16 | Mariyamma Varghese Presti | Director | 30,318 | 0 | 30,318 | 1.1% | 10 Jun, 2026 |
| 17 | Brendan W. Merrell | Chief Operating Officer | 25,187 | 0 | 25,187 | 0.9% | 24 Aug, 2026 |
| 18 | Todd Inman | Chief Technology Officer | 538 | 0 | 538 | 0.0% | 03 Mar, 2023 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 01 Sep, 2026 | Andrew J. D'Silva | Chief Business Officer | Disposed F | 1,432 | $7.86 | $11.26K | 99,660 | Direct |
| 21 Aug, 2026 | Andrew J. D'Silva | Chief Business Officer | Disposed F | 1,243 | $7.71 | $9.58K | 43,492 | Direct |
| 20 Aug, 2026 | Brendan W. Merrell | Chief Operating Officer | Acquired A | 57,600 | $0.00 | $0 | 82,787 | Direct |
| 21 Aug, 2026 | Brendan W. Merrell | Chief Operating Officer | Disposed F | 1,020 | $7.71 | $7.86K | 25,187 | Direct |
| 21 Aug, 2026 | Marion Odence-Ford | Chief Legal Admin Officer | Disposed F | 1,529 | $7.71 | $11.79K | 90,407 | Direct |
| 20 Aug, 2026 | Marion Odence-Ford | Chief Legal Admin Officer | Acquired A | 57,600 | $0.00 | $0 | 148,007 | Direct |
| 21 Aug, 2026 | Stephen L Silvestro | Chief Executive Officer | Disposed F | 1,737 | $7.71 | $13.39K | 183,551 | Direct |
| 21 Aug, 2026 | Edward Stelmakh | Chief Finance Strat Officer | Disposed F | 1,381 | $7.71 | $10.65K | 121,791 | Direct |
| 20 Aug, 2026 | Stephen L Silvestro | Chief Executive Officer | Acquired A | 79,200 | $0.00 | $0 | 262,751 | Direct |
| 20 Aug, 2026 | Andrew J. D'Silva | Chief Business Officer | Acquired A | 57,600 | $0.00 | $0 | 101,092 | Direct |
| 09 Jun, 2026 | Patrick D Spangler | Director | Acquired A | 34,517 | $0.00 | $0 | 78,732 | Direct |
| 09 Jun, 2026 | Gregory D Wasson | Director | Acquired A | 34,517 | $0.00 | $0 | 91,700 | Direct |
| 09 Jun, 2026 | Cathy Klema | Director | Acquired A | 34,517 | $0.00 | $0 | 56,137 | Direct |
| 09 Jun, 2026 | James Paul Lang | Director | Acquired A | 34,517 | $0.00 | $0 | 433,837 | Direct |
| 09 Jun, 2026 | Ellen O'Connor Vos | Director | Acquired A | 34,517 | $0.00 | $0 | 107,159 | Direct |
| 01 May, 2026 | Mariyamma Varghese Presti | Director | Acquired A | 13,060 | $0.00 | $0 | 13,060 | Direct |
| 09 Jun, 2026 | Mariyamma Varghese Presti | Director | Acquired A | 17,258 | $0.00 | $0 | 30,318 | Direct |
| 15 May, 2026 | Stephen L Silvestro | Chief Executive Officer | Disposed F | 5,219 | $5.21 | $27.19K | 185,288 | Direct |
| 15 May, 2026 | Theresa Greco | Chief Commercial Officer | Disposed F | 914 | $5.21 | $4.76K | 71,954 | Direct |
| 15 May, 2026 | Theresa Greco | Chief Commercial Officer | Disposed F | 879 | $5.21 | $4.58K | 71,075 | Direct |