Newton Charles W. — SEC Form 4 filings
SEC reporting owner CIK 1866219. 17 Form 4 filings on record with FilingPulse; latest filed 2026-08-20.
Transaction summary — filings shown
Covers all 17 filings on record, filed 2024-02-13 to 2026-08-20. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing — 200,000 shares, $111,620 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 5 legs across 4 filings — 2,821 shares, $29,303 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 26.
- Largest priced transaction: purchase of 200,000 shares @ $0.56 ($111,620) in Lyell Immunopharma, Inc., filed 2025-03-18.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Lyell Immunopharma, Inc. (LYEL) | Chief Financial Officer | 5 | 1 leg · 200,000 sh · $111,620 | 3 legs · 1,720 sh · $18,105 | 6 |
| Keros Therapeutics, Inc. (KROS) | Director | 3 | — | 2 legs · 1,101 sh · $11,197 | 2 |
| 2seventy bio, Inc. (TSVT) | Director | 3 | — | — | 8 |
| NOVAVAX INC (NVAX) | Director | 3 | — | — | 6 |
| Coherus Oncology, Inc. (CHRS) | Director | 3 | — | — | 4 |
Form 4 filings — Newton Charles W.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-20 | 4 | Keros Therapeutics, Inc. (KROS) | Sale (S): 551 @ $10.30 | EDGAR |
| 2026-06-23 | 4 | NOVAVAX INC (NVAX) | Grant/award (A): 21,270 (derivative) @ $0 · Grant/award (A): 14,180 (derivative) @ $0 | EDGAR |
| 2026-06-15 | 4 | Keros Therapeutics, Inc. (KROS) | Sale (S): 550 @ $10.04 | EDGAR |
| 2026-06-09 | 4 | Coherus Oncology, Inc. (CHRS) | Grant/award (A): 30,000 @ $0 · Grant/award (A): 60,000 (derivative) @ $0 | EDGAR |
| 2026-04-28 | 4 | NOVAVAX INC (NVAX) | Option exercise (M): 9,520 @ $0 · Option exercise (M): 9,520 (derivative) @ $0 | EDGAR |
| 2026-03-11 | 4 | Keros Therapeutics, Inc. (KROS) | Grant/award (A): 13,215 @ $0 · Grant/award (A): 14,788 (derivative) @ $0 | EDGAR |
| 2025-08-22 | 4 | Lyell Immunopharma, Inc. (LYEL) | Grant/award (A): 8,000 @ $0 · Sale (S): 1,453 @ $10.54 | EDGAR |
| 2025-08-13 | 4 | Lyell Immunopharma, Inc. (LYEL) | Sale (S): 131 @ $10.53 · Sale (S): 136 @ $10.34 | EDGAR |
| 2025-06-13 | 4 | Coherus Oncology, Inc. (CHRS) | Grant/award (A): 112,000 (derivative) @ $0 | EDGAR |
| 2025-05-15 | 4 | 2seventy bio, Inc. (TSVT) | Disposition to issuer (D): 17,092 · Code (U): 5,533 · Disposition to issuer (D): 33,400 (derivative) · Disposition to issuer (D): 12,050 (derivative) | EDGAR |
| 2025-04-29 | 4 | NOVAVAX INC (NVAX) | Grant/award (A): 42,840 (derivative) @ $0 · Grant/award (A): 28,560 (derivative) @ $0 | EDGAR |
| 2025-03-18 | 4 | Lyell Immunopharma, Inc. (LYEL) | Purchase (P): 200,000 @ $0.56 | EDGAR |
| 2025-02-26 | 4 | Lyell Immunopharma, Inc. (LYEL) | Grant/award (A): 112,500 @ $0 · Grant/award (A): 450,000 (derivative) @ $0 · Grant/award (A): 56,250 (derivative) @ $0 | EDGAR |
| 2024-06-12 | 4 | 2seventy bio, Inc. (TSVT) | Grant/award (A): 6,025 @ $0 · Grant/award (A): 12,050 (derivative) @ $0 | EDGAR |
| 2024-06-05 | 4 | Coherus BioSciences, Inc. (CHRS) | Grant/award (A): 112,000 (derivative) @ $0 | EDGAR |
| 2024-03-25 | 4 | 2seventy bio, Inc. (TSVT) | Grant/award (A): 16,600 @ $0 · Grant/award (A): 33,400 (derivative) @ $0 | EDGAR |
| 2024-02-13 | 4 | Lyell Immunopharma, Inc. (LYEL) | Grant/award (A): 40,000 @ $0 · Grant/award (A): 400,000 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1866219 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →