As of September 09, 2026, the three largest insider holders of NBIX are Kevin Charles Gorman (Chief Executive Officer, 511.29K shares), Kyle Gano (Chief Executive Officer, 150.81K shares), Gary A Lyons (President And Ceo, 122.14K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Kevin Charles Gorman | Chief Executive Officer | 511,293 | 0 | 511,293 | 39.4% | 21 May, 2026 |
| 2 | Kyle Gano | Chief Executive Officer | 150,815 | 0 | 150,815 | 11.6% | 17 Feb, 2026 |
| 3 | Gary A Lyons | President And Ceo | 122,141 | 0 | 122,141 | 9.4% | 21 May, 2026 |
| 4 | Dimitri E. Grigoriadis | Chief Research Officer | 82,273 | 0 | 82,273 | 6.3% | 12 Oct, 2021 |
| 5 | Eric Benevich | Chief Commercial Officer | 63,190 | 0 | 63,190 | 4.9% | 17 Feb, 2026 |
| 6 | Darin Lippoldt | Chief Legal Officer | 54,729 | 0 | 54,729 | 4.2% | 13 Jul, 2026 |
| 7 | William H Rastetter | Director | 43,678 | 0 | 43,678 | 3.4% | 21 May, 2026 |
| 8 | Matt Abernethy | Chief Financial Officer | 42,808 | 0 | 42,808 | 3.3% | 05 Mar, 2026 |
| 9 | Malcolm Lloyd-Smith | Chief Integration Officer | 42,337 | 0 | 42,337 | 3.3% | 08 Feb, 2023 |
| 10 | Richard F Pops | Director | 37,798 | 0 | 37,798 | 2.9% | 21 May, 2026 |
| 11 | Eiry Roberts | Chief Medical Officer | 35,640 | 0 | 35,640 | 2.7% | 14 Feb, 2025 |
| 12 | Julie Cooke | Chief Human Resources Officer | 22,374 | 0 | 22,374 | 1.7% | 04 Jun, 2026 |
| 13 | Jude Onyia | Chief Scientific Officer | 20,996 | 0 | 20,996 | 1.6% | 05 Aug, 2026 |
| 14 | Ingrid Delaet | Chief Regulatory Officer | 16,225 | 0 | 16,225 | 1.2% | 13 Jul, 2026 |
| 15 | Stephen A Sherwin | Director | 14,860 | 0 | 14,860 | 1.1% | 03 Sep, 2026 |
| 16 | George J Morrow | Director | 10,386 | 0 | 10,386 | 0.8% | 21 May, 2026 |
| 17 | David W. Boyer | Chief Corp. Affairs Officer | 7,799 | 0 | 7,799 | 0.6% | 28 May, 2026 |
| 18 | Johanna Mercier | Director | 6,853 | 0 | 6,853 | 0.5% | 21 May, 2026 |
| 19 | Christine A Poon | Director | 4,753 | 0 | 4,753 | 0.4% | 21 May, 2026 |
| 20 | Shalini Sharp | Director | 4,088 | 0 | 4,088 | 0.3% | 21 May, 2026 |
| 21 | Leslie V Norwalk | Director | 2,430 | 0 | 2,430 | 0.2% | 30 Jul, 2026 |
| 22 | Sanjay Chandru Keswani | Chief Medical Officer | 1,479 | 0 | 1,479 | 0.1% | 04 Jun, 2026 |
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 |
|---|---|---|---|---|---|---|---|---|
| 04 Aug, 2026 | Jude Onyia | Chief Scientific Officer | Disposed G | 2,409 | $0.00 | $0 | 20,996 | Direct |
| 28 Jul, 2026 | Leslie V Norwalk | Director | Disposed S | 1,250 | $182.01 | $227.51K | 1,588 | Direct |
| 29 Jul, 2026 | Leslie V Norwalk | Director | Acquired M | 842 | $139.43 | $117.40K | 2,430 | Direct |
| 29 Jul, 2026 | Leslie V Norwalk | Director | Disposed M | 842 | $0.00 | $0 | 2,140 | Direct |
| 09 Jul, 2026 | Darin Lippoldt | Chief Legal Officer | Acquired M | 10,000 | $81.49 | $814.90K | 64,729 | Direct |
| 10 Jul, 2026 | Ingrid Delaet | Chief Regulatory Officer | Acquired M | 4,367 | $106.02 | $462.99K | 20,592 | Direct |
| 09 Jul, 2026 | Darin Lippoldt | Chief Legal Officer | Disposed S | 10,000 | $179.60 | $1.80Mn | 54,729 | Direct |
| 10 Jul, 2026 | Ingrid Delaet | Chief Regulatory Officer | Disposed S | 4,367 | $181.02 | $790.51K | 16,225 | Direct |
| 09 Jul, 2026 | Darin Lippoldt | Chief Legal Officer | Disposed M | 10,000 | $0.00 | $0 | 4,965 | Direct |
| 10 Jul, 2026 | Ingrid Delaet | Chief Regulatory Officer | Disposed M | 4,367 | $0.00 | $0 | 0 | Direct |
| 07 Jul, 2026 | Ingrid Delaet | Chief Regulatory Officer | Acquired M | 3,401 | $103.52 | $352.07K | 19,626 | Direct |
| 07 Jul, 2026 | Ingrid Delaet | Chief Regulatory Officer | Disposed S | 3,401 | $178.57 | $607.31K | 16,225 | Direct |
| 08 Jul, 2026 | Ingrid Delaet | Chief Regulatory Officer | Acquired M | 2,737 | $103.52 | $283.33K | 18,962 | Direct |
| 08 Jul, 2026 | Ingrid Delaet | Chief Regulatory Officer | Disposed S | 2,737 | $178.54 | $488.67K | 16,225 | Direct |
| 09 Jul, 2026 | Ingrid Delaet | Chief Regulatory Officer | Acquired M | 8,433 | $103.52 | $872.98K | 24,658 | Direct |
| 09 Jul, 2026 | Ingrid Delaet | Chief Regulatory Officer | Disposed S | 8,433 | $178.72 | $1.51Mn | 16,225 | Direct |
| 07 Jul, 2026 | Ingrid Delaet | Chief Regulatory Officer | Disposed M | 3,401 | $0.00 | $0 | 18,648 | Direct |
| 08 Jul, 2026 | Ingrid Delaet | Chief Regulatory Officer | Disposed M | 2,737 | $0.00 | $0 | 15,911 | Direct |
| 09 Jul, 2026 | Ingrid Delaet | Chief Regulatory Officer | Disposed M | 8,433 | $0.00 | $0 | 7,478 | Direct |
| 26 Jun, 2026 | Darin Lippoldt | Chief Legal Officer | Acquired M | 200 | $81.49 | $16.30K | 54,929 | Direct |