Walker Luke Nathaniel — SEC Form 4 filings
SEC reporting owner CIK 1701440. 9 Form 4 filings on record with FilingPulse; latest filed 2026-06-26.
Transaction summary — filings shown
Covers all 9 filings on record, filed 2024-01-09 to 2026-06-26. 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 — 14,200 shares, $24,966 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 10.
- Largest priced transaction: purchase of 14,200 shares @ $1.76 ($24,966) in Zentalis Pharmaceuticals, Inc., filed 2025-02-04.
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 |
|---|---|---|---|---|---|
| Zentalis Pharmaceuticals, Inc. (ZNTL) | Director | 4 | 1 leg · 14,200 sh · $24,966 | — | 3 |
| Harpoon Therapeutics, Inc. (HARP) | Chief Medical Officer | 2 | — | — | 4 |
| Context Therapeutics Inc. (CNTX) | Director | 3 | — | — | 3 |
Form 4 filings — Walker Luke Nathaniel
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-26 | 4 | Context Therapeutics Inc. (CNTX) | Grant/award (A): 45,000 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Zentalis Pharmaceuticals, Inc. (ZNTL) | Grant/award (A): 57,100 @ $0 | EDGAR |
| 2025-06-18 | 4 | Zentalis Pharmaceuticals, Inc. (ZNTL) | Grant/award (A): 57,603 @ $0 | EDGAR |
| 2025-06-12 | 4 | Context Therapeutics Inc. (CNTX) | Grant/award (A): 123,500 (derivative) @ $0 | EDGAR |
| 2025-02-04 | 4 | Zentalis Pharmaceuticals, Inc. (ZNTL) | Purchase (P): 14,200 @ $1.76 | EDGAR |
| 2024-09-05 | 4 | Context Therapeutics Inc. (CNTX) | Grant/award (A): 19,315 (derivative) @ $0 | EDGAR |
| 2024-05-29 | 4 | Zentalis Pharmaceuticals, Inc. (ZNTL) | Grant/award (A): 72,481 @ $0 | EDGAR |
| 2024-03-11 | 4 | Harpoon Therapeutics, Inc. (HARP) | Disposition to issuer (D): 135,000 · Disposition to issuer (D): 30,500 (derivative) · Disposition to issuer (D): 10,000 (derivative) | EDGAR |
| 2024-01-09 | 4 | Harpoon Therapeutics, Inc. (HARP) | Grant/award (A): 115,000 @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-09 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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