Newton Charles W.
Director · Officer · KROS, NVAX, CHRS, LYEL, TSVT
As of 2026-09-16, Newton Charles W. has 29 Form 4 transactions on record across 5 companies — 10 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-18 | KROS | Sale | 551 @ $10.30 | $6K | −4.4% of holding | 12,114 | Form 4 |
| 2026-06-11 | KROS | Sale | 550 @ $10.04 | $6K | −4.2% of holding | 12,665 | Form 4 |
| 2025-08-21 | LYEL | Sale | 1,453 @ $10.54 | $15K | −8.7% of holding | 15,306 | Form 4 |
| 2025-08-12 | LYEL | Sale | 136 @ $10.34 | $1K | −1.5% of holding | 8,759 | Form 4 |
| 2025-08-11 | LYEL | Sale | 131 @ $10.53 | $1K | −1.5% of holding | 8,895 | Form 4 |
| 2025-03-17 | LYEL | Purchase | 200,000 @ $0.56 | $112K | ownership Δ n/a | 200,000 | Form 4 |
23 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-06-18 | NVAX | Award / grant | 14,180 | 14,180 | Form 4 |
| 2026-06-18 | NVAX | Award / grant | 21,270 | 21,270 | Form 4 |
| 2026-06-05 | CHRS | Award / grant | 30,000 | 30,000 | Form 4 |
| 2026-06-05 | CHRS | Award / grant | 60,000 | 60,000 | Form 4 |
| 2026-04-25 | NVAX | Option exercise | 9,520 | 19,040 | Form 4 |
| 2026-04-25 | NVAX | Option exercise | 9,520 | 9,520 | Form 4 |
| 2026-03-09 | KROS | Award / grant | 14,788 | 14,788 | Form 4 |
| 2026-03-09 | KROS | Award / grant | 13,215 | 13,215 | Form 4 |
| 2025-08-20 | LYEL | Award / grant | 8,000 | 16,759 | Form 4 |
| 2025-06-12 | CHRS | Award / grant | 112,000 | 112,000 | Form 4 |
| 2025-05-13 | TSVT | Disposition | 17,092 | 5,533 | Form 4 |
| 2025-05-13 | TSVT | Disposition | 12,050 | 0 | Form 4 |
| 2025-05-13 | TSVT | Disposition | 33,400 | 0 | Form 4 |
| 2025-05-13 | TSVT | Code U | 5,533 | 0 | Form 4 |
| 2025-05-13 | TSVT | Disposition | 17,092 | 5,533 | Form 4 |
| 2025-05-13 | TSVT | Disposition | 12,050 | 0 | Form 4 |
| 2025-05-13 | TSVT | Disposition | 33,400 | 0 | Form 4 |
| 2025-05-13 | TSVT | Code U | 5,533 | 0 | Form 4 |
| 2025-04-25 | NVAX | Award / grant | 42,840 | 42,840 | Form 4 |
| 2025-04-25 | NVAX | Award / grant | 28,560 | 28,560 | Form 4 |
| 2025-02-10 | LYEL | Award / grant | 450,000 | 450,000 | Form 4 |
| 2025-02-10 | LYEL | Award / grant | 56,250 | 56,250 | Form 4 |
| 2025-02-10 | LYEL | Award / grant | 112,500 | 172,725 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.