Roy C. Hardiman serves as Executive at Principia Biopharma Inc., where they oversee executive responsibilities. Since joining the company, Roy C. Hardiman has executed 21 insider transactions totaling $1.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 26, 2026 involved receiving (via award) 190,875 shares valued at $0.
Roy C. Hardiman currently holds 190,875 shares of Principia Biopharma Inc. (PRNB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Roy C. Hardiman has been a net seller of PRNB stock. They have purchased $0 and sold $1.3M worth of shares.
Roy C. Hardiman's most recent insider trade was on Jan 26, 2026, when they sold 190,875 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Sep 28, 2020 | PRNB | $191.6K | Tender | 1,916 | $100.00 | Discretionary |
| Sep 28, 2020 | PRNB | $11.8M | Tender | 117,761 | $100.00 | Discretionary |
| Sep 18, 2020 | PRNB | $499.9K | Sale | 5,000 | $99.98 | Discretionary |
| Sep 18, 2020 | PRNB | $16.3K | Option Exercise | 2,242 | $7.27 | Discretionary |
| Sep 18, 2020 | PRNB | $13.0K | Option Exercise | 2,758 | $4.72 | Discretionary |
| Jun 12, 2020 | PRNB | $53.6K | Sale | 863 | $62.13 | Discretionary |
| Jun 12, 2020 | PRNB | $23.6K | Option Exercise | 5,000 | $4.72 | Discretionary |
| Jun 12, 2020 | PRNB | $95.5K | Sale | 1,595 | $59.90 | Discretionary |
| Jun 12, 2020 | PRNB | $156.6K | Sale | 2,542 | $61.62 | Discretionary |
| Mar 13, 2020 | PRNB | $5.1K | Sale | 100 | $51.04 | Discretionary |
| Mar 13, 2020 | PRNB | $23.6K | Option Exercise | 5,000 | $4.72 | Discretionary |
| Mar 13, 2020 | PRNB | $179.3K | Sale | 3,719 | $48.21 | Discretionary |
| Mar 13, 2020 | PRNB | $58.4K | Sale | 1,181 | $49.46 | Discretionary |
| Dec 30, 2019 | PRNB | $0 | Gift | 540 | $N/A | Discretionary |
| Dec 30, 2019 | PRNB | $0 | Gift | 3,240 | $N/A | Discretionary |
| Dec 13, 2019 | PRNB | $80.7K | Sale | 1,619 | $49.83 | Discretionary |
| Dec 13, 2019 | PRNB | $166.3K | Sale | 3,381 | $49.20 | Discretionary |
| Dec 13, 2019 | PRNB | $20.6K | Option Exercise | 4,129 | $5.00 | Discretionary |
| Dec 13, 2019 | PRNB | $4.1K | Option Exercise | 871 | $4.72 | Discretionary |