Current roles
From Section 16 filings (Forms 3, 4 and 5) in the last 13 months.
Past roles
“Last filing” is the latest Form 3/4/5 for that company, an upper bound on the end date.
Sits alongside
People who currently share a board or management team with this person.
- Andrew EmersonIDXX
- Brodie GageCIEN
- Daniel M. JuniusIDXX
- David M. RothensteinCIEN
- Devinder KumarCIEN
- Dino DipernaCIEN
- Gary B. SmithCIEN
- George FennellIDXX
- Grant HoffmanCIEN
- Hassan AhmedCIEN
- Irene Chang BrittIDXX
- Jason PhippsCIEN
- Joanne Beth OlsenCIEN
- Jonathan Jay MazelskyIDXX
- Joseph CumelloCIEN
- Joseph L. HooleyIDXX
- Karen PeacockIDXX
- Lawrence D. KingsleyIDXX
- Lawton W. FittCIEN
- M. Anne SzostakIDXX
- Marc D. GraffCIEN
- Martin Alexander SmithIDXX
- Mary G. PumaCIEN
- Michael G. EricksonIDXX
- Michael LaneIDXX
- Michael Perkins JohnsonIDXX
- Michael SchreckIDXX
- Nimrata HuntIDXX
- Patrick GallagherCIEN
- Sam SamadIDXX
Open-market trades
Purchases and sales reported on Form 4 at S&P 500 companies.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 24, 2026 | CIEN | Sale | 2,857 | $355.91 | $1.0M |
| Sep 24, 2025 | CIEN | Sale | 8,461 | $140.12 | $1.2M |
| Jan 6, 2025 | CIEN | Sale | 16,912 | $84.96 | $1.4M |
| May 17, 2024 | IDXX | Sale | 200 | $540.80 | $108K |
| Feb 16, 2021 | IDXX | Sale | 586 | $537.19 | $315K |
| Feb 16, 2021 | IDXX | Sale | 6,745 | $536.89 | $3.6M |
| Aug 18, 2020 | IDXX | Sale | 5,629 | $385.11 | $2.2M |
| Aug 14, 2020 | IDXX | Sale | 1,111 | $378.08 | $420K |
| Jul 8, 2020 | CIEN | Sale | 18,600 | $56.22 | $1.0M |
| Dec 12, 2019 | CIEN | Sale | 5,262 | $40.00 | $210K |
| Aug 3, 2018 | IDXX | Buy | 415 | $242.12 | $100K |
| Feb 7, 2018 | IDXX | Buy | 1,000 | $179.58 | $180K |
| Apr 10, 2017 | AMD | Sale | 20,000 | $13.33 | $267K |
| Mar 10, 2017 | AMD | Sale | 20,000 | $13.58 | $272K |
| Feb 10, 2017 | AMD | Sale | 20,000 | $13.51 | $270K |
| Jan 10, 2017 | AMD | Sale | 20,000 | $11.51 | $230K |
| Dec 12, 2016 | AMD | Sale | 20,000 | $10.76 | $215K |
| Feb 22, 2016 | CIEN | Sale | 800 | $20.00 | $16K |
SEC reporting-owner ID (CIK) 1403694 · all filings on EDGAR