Who
Sarah A. O'Dowd
Director
Company insider
Files Form 4 as: Director, Protagonist Therapeutics; Director, Ichor; Chief Legal Officer & SVP, Lam Research.
In numbers
- Trades disclosed
- 113
- Buys
- 0
- Sells
- 19
- Bought
- $0
- Sold
- $15.0M
- Companies
- 3
- Companies where not an officer
- 2
- First trade
- 27 Oct 2008
- Last trade
- 2 Jan 2026
- Last filed
- 6 Jan 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 2 Jan 2026filed 6 Jan 2026 | PTGX Protagonist TherapeuticsBiotechnology | SEC FORM 4 Code A | —2,695 at $0.00 | filing |
| 2 Jan 2026filed 6 Jan 2026 | PTGX Protagonist Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —3,762 at $0.00 | filing |
| 2 Jan 2026filed 6 Jan 2026 | PTGX Protagonist Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —3,762 at $0.00 | filing |
| 2 Jan 2026filed 6 Jan 2026 | PTGX Protagonist TherapeuticsBiotechnology | SEC FORM 4 Code A | —2,695 at $0.00 | filing |
| 2 Jan 2025filed 6 Jan 2025 | PTGX Protagonist Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —6,584 at $0.00 | filing |
| 2 Jan 2025filed 6 Jan 2025 | PTGX Protagonist TherapeuticsBiotechnology | SEC FORM 4 Code A | —5,130 at $0.00 | filing |
| 15 May 2024filed 17 May 2024 | ICHR IchorSemiconductor Equipment | SEC FORM 4 Code A | —3,923 at $0.00 | filing |
| 2 Jan 2024filed 4 Jan 2024 | PTGX Protagonist Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —25,700 at $0.00 | filing |
| 18 May 2023filed 22 May 2023 | ICHR IchorSemiconductor Equipment | SEC FORM 4 Code A | —4,752 at $0.00 | filing |
| 16 Jan 2023filed 18 Jan 2023 | PTGX Protagonist Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —30,000 at $0.00 | filing |
| 26 May 2022filed 27 May 2022 | PTGX Protagonist Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —20,000 at $0.00 | filing |
| 24 May 2022filed 26 May 2022 | ICHR IchorSemiconductor Equipment | SEC FORM 4 Code A | —5,635 at $0.00 | filing |
| 27 May 2021filed 28 May 2021 | PTGX Protagonist Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —18,000 at $0.00 | filing |
| 11 May 2021filed 14 May 2021 | ICHR IchorSemiconductor Equipment | SEC FORM 4 Code A | —2,526 at $0.00 | filing |
| 17 Aug 2020filed 18 Aug 2020 | PTGX Protagonist Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —30,000 at $0.00 | filing |
| 12 May 2020filed 14 May 2020 | ICHR IchorSemiconductor Equipment | SEC FORM 4 Code A | —6,893 at $0.00 | filing |
| 12 May 2020filed 14 May 2020 | ICHR IchorSemiconductor Equipment | SEC FORM 4 Code A | —4,596 at $0.00 | filing |
| 19 Dec 2019filed 23 Dec 2019 | LRCX Lam ResearchSemiconductor Equipment | SEC FORM 4 Sold | $1.1M3,831 at $287.80 | filing |
| 11 Sep 2019filed 13 Sep 2019 | LRCX Lam Researchoption or derivative · Semiconductor Equipment | SEC FORM 4 Code M | $943K22,140 at $42.61 | filing |
| 11 Sep 2019filed 13 Sep 2019 | LRCX Lam ResearchSemiconductor Equipment | SEC FORM 4 Code M | $943K22,140 at $42.61 | filing |
News
Lam Research (LRCX) Q1 2027 Earnings Call TranscriptLRCX · fool.com · 22 Oct 2026Stocks to Watch: Meta Platforms, Tesla, IBM, Lam ResearchLRCX · morningstar.com · 22 Oct 2026Lam Research Falls As Chip-Gear Maker's Guide Fails To ImpressLRCX · investors.com · 21 Oct 2026
0 headlines in the last 90 days name Sarah A. O'Dowd; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.