Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Exelixis Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Liquidia Corporation June 16, 202699.9%
-
Liquidia Corporation June 15, 202380.4%
-
Exelixis Inc. May 31, 202393.5%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| May 19, 2026 | Liquidia Corporation | Open-market sale | −5,300 | $59.98 | $317,894 |
| May 19, 2026 | Liquidia Corporation | Open-market purchase | +5,300 | $59.98 | $317,894 |
| Jun 17, 2025 | Liquidia Corporation | Grant or award | +18,396 | — | — |
| May 30, 2024 | Exelixis Inc. | Open-market purchase | +225,000 | $20.76 | $4,671,000 |
| May 28, 2024 | Exelixis Inc. | Open-market purchase | +200,000 | $20.32 | $4,064,000 |
| Jul 3, 2023 | Standard BioTools Inc. | Other | −670,466 | — | — |
| Jun 29, 2023 | Standard BioTools Inc. | Other | −108,879 | — | — |
Questions about David Edward Johnson
What boards is David Edward Johnson on?
David Edward Johnson sits on the boards of Exelixis Inc. and Liquidia Corporation.
How long has David Edward Johnson served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
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