Insider Transactions
Showing insider trading activity for Harrison Robert Gardner.
Insider Trading Activity Chart
Visualizing insider transactions on stock price candles
Transaction Type
Insider Role
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Recent Filings
| Symbol | Name | Filed | Transaction | Type | Role | Shares |
|---|---|---|---|---|---|---|
| SERA | Harrison Robert Gardner | 6 May 2026 | 12 Mar 2026 | — | 0 | |
| SERA | Harrison Robert Gardner | 12 Mar 2026 | 11 Mar 2026 | S-Sale | Chief Information Officer | 716 |
| SERA | Harrison Robert Gardner | 10 Mar 2026 | 9 Mar 2026 | S-Sale | Chief Information Officer | 3,360 |
| SERA | Harrison Robert Gardner | 24 Feb 2026 | 24 Feb 2026 | S-Sale | Chief Information Officer | 2,000 |
| SERA | Harrison Robert Gardner | 27 Jan 2026 | 27 Jan 2026 | S-Sale | Chief Information Officer | 2,000 |
| SERA | Harrison Robert Gardner | 30 Dec 2025 | 30 Dec 2025 | S-Sale | Chief Information Officer | 2,000 |
| SERA | Harrison Robert Gardner | 11 Dec 2025 | 10 Dec 2025 | S-Sale | Chief Information Officer | 616 |
| SERA | Harrison Robert Gardner | 3 Dec 2025 | 2 Dec 2025 | S-Sale | Chief Information Officer | 2,000 |
| SERA | Harrison Robert Gardner | 12 Nov 2025 | 10 Nov 2025 | S-Sale | Chief Information Officer | 6,528 |
| SERA | Harrison Robert Gardner | 4 Nov 2025 | 4 Nov 2025 | S-Sale | Chief Information Officer | 2,000 |
| SERA | Harrison Robert Gardner | 8 Oct 2025 | 7 Oct 2025 | S-Sale | Chief Information Officer | 2,000 |
| SERA | Harrison Robert Gardner | 12 Sept 2025 | 11 Sept 2025 | S-Sale | Chief Information Officer | 645 |
| SERA | Harrison Robert Gardner | 9 Sept 2025 | 9 Sept 2025 | S-Sale | Chief Information Officer | 2,000 |
| SERA | Harrison Robert Gardner | 20 Aug 2025 | 20 Aug 2025 | S-Sale | Chief Information Officer | 6,000 |
| SERA | Harrison Robert Gardner | 11 Aug 2025 | 8 Aug 2025 | S-Sale | Chief Information Officer | 5,962 |
| SERA | Harrison Robert Gardner | 11 Jun 2025 | 10 Jun 2025 | S-Sale | Chief Information Officer | 667 |
| SERA | Harrison Robert Gardner | 9 May 2025 | 8 May 2025 | S-Sale | Chief Information Officer | 6,551 |
| SERA | Harrison Robert Gardner | 10 Mar 2025 | 7 Mar 2025 | S-Sale | Chief Information Officer | 3,874 |
| SERA | Harrison Robert Gardner | 7 Mar 2025 | 5 Mar 2025 | A-Award | Chief Information Officer | 25,770 |
| SERA | Harrison Robert Gardner | 7 Mar 2025 | 6 Mar 2025 | S-Sale | Chief Information Officer | 3,251 |