- Corporate Officers - N
- Newton Charles W.
Insider Trading History of Newton Charles W.
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Newton Charles W. since 2025.
This trader's CIK number is 1866219.
At the time of last reporting, Newton Charles W. was the Officer of Keros Therapeutics, Inc.. (stock ticker symbol KROS).
Also see all insider trading activities at Keros Therapeutics, Inc..
Note that in the past
Newton Charles W. also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Novavax Inc (NVAX) by Newton Charles W.
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2026 | NVAX | 0 | $0 | 0 | $0 | 9,520 | $0 |
Yearly summary of insider trading at Lyell Immunopharma, Inc. (LYEL) by Newton Charles W.
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | LYEL | 200,000 | $111,600 | 1,720 | $18,103 | 0 | $0 |
Yearly summary of insider trading at Keros Therapeutics, Inc. (KROS) by Newton Charles W.
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2026 | KROS | 0 | $0 | 550 | $5,521 | 0 | $0 |
Insider trading activities at 3 companies by Newton Charles W.:
1. Novavax Inc (NVAX)
2. Lyell Immunopharma, Inc. (LYEL)
3. Keros Therapeutics, Inc. (KROS)
Table 1. Insider trading of Novavax Inc (NVAX) by Newton Charles W.
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2026-04-25 | NVAX | Option Ex | 9,520 | .00 | 0 |
Table 2. Insider trading of Lyell Immunopharma, Inc. (LYEL) by Newton Charles W.
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-08-21 | LYEL | Sale | 1,453 | 10.54 | 15,320 |
| 2025-08-12 | LYEL | Sale | 136 | 10.34 | 1,405 |
| 2025-08-11 | LYEL | Sale | 131 | 10.53 | 1,378 |
| 2025-03-17 | LYEL | Buy | 200,000 | .56 | 111,600 |
Table 3. Insider trading of Keros Therapeutics, Inc. (KROS) by Newton Charles W.
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2026-06-11 | KROS | Sale | 550 | 10.04 | 5,521 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Newton Charles W.
(Officer of Keros Therapeutics, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.