Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 5 years
- Director since
- 2023
5 years of board service in total across 2 boards, counting each seat separately. Longest: Yarrow Bioscience Inc., 2 years.
Chief executive roles
Outstanding · grade A+
Out of 100, from shareholder return, dividends, growth and acquisitions.
Partial: only 20% of the scoring weight is on file.
- Revenue growth 20%
- 100
216.9% a year in revenue
20% of the scoring weight is on file. Figures cover December 2024 – December 2025.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Phathom Pharmaceuticals Inc. May 19, 202690.5%
-
Yarrow Bioscience Inc. December 12, 202573.6%
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 |
|---|---|---|---|---|---|
| Feb 10, 2026 | Phathom Pharmaceuticals Inc. | Grant or award | +12,362 | — | — |
| Feb 10, 2026 | Phathom Pharmaceuticals Inc. | Shares withheld for tax | −6,277 | $12.82 | $80,471 |
| Jan 2, 2026 | Phathom Pharmaceuticals Inc. | Grant or award | +251,034 | — | — |
| Dec 17, 2025 | Phathom Pharmaceuticals Inc. | Grant or award | +62,038 | — | — |
| Dec 17, 2025 | Phathom Pharmaceuticals Inc. | Shares withheld for tax | −31,502 | $15.36 | $483,871 |
| Nov 28, 2025 | Phathom Pharmaceuticals Inc. | Option exercise | +90,000 | — | — |
| Nov 28, 2025 | Phathom Pharmaceuticals Inc. | Shares withheld for tax | −48,375 | $15.62 | $755,618 |
| Sep 25, 2025 | Phathom Pharmaceuticals Inc. | Option exercise | +90,000 | — | — |
| Sep 25, 2025 | Phathom Pharmaceuticals Inc. | Shares withheld for tax | −48,375 | $11.66 | $564,053 |
Questions about Steven L. Basta
What boards is Steven L. Basta on?
Steven L. Basta sits on the boards of Phathom Pharmaceuticals Inc. and Yarrow Bioscience Inc.
What company is Steven L. Basta the CEO of?
Steven L. Basta has been President and CEO of Phathom Pharmaceuticals Inc. since April 2025.
How long has Steven L. Basta served on boards?
Our records show at least 5 years of board service across 2 boards, the earliest from 2023.
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