KEYSER D JEFFREY — SEC Form 4 filings
SEC reporting owner CIK 1393516. 5 Form 4 filings on record with FilingPulse; latest filed 2026-05-14.
Transaction summary — filings shown
Covers all 5 filings on record, filed 2024-07-17 to 2026-05-14. 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 — 48,544 shares, $100,001 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 48,544 shares @ $2.06 ($100,001) in Lantern Pharma Inc., filed 2026-05-14.
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 |
|---|---|---|---|---|---|
| Lantern Pharma Inc. (LTRN) | Director | 5 | 1 leg · 48,544 sh · $100,001 | — | 10 |
Form 4 filings — KEYSER D JEFFREY
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-14 | 4 | Lantern Pharma Inc. (LTRN) | Purchase (P): 48,544 @ $2.06 · Purchase (P): 48,544 (derivative) @ $0 | EDGAR |
| 2026-01-13 | 4 | Lantern Pharma Inc. (LTRN) | Grant/award (A): 25,000 (derivative) @ $0 · Grant/award (A): 28,844 (derivative) @ $0 | EDGAR |
| 2025-09-23 | 4 | Lantern Pharma Inc. (LTRN) | Disposition to issuer (D): 9,135 (derivative) @ $0 · Grant/award (A): 9,135 (derivative) @ $0 · Disposition to issuer (D): 3,200 (derivative) @ $0 · Grant/award (A): 3,200 (derivative) @ $0 | EDGAR |
| 2024-07-26 | 4 | Lantern Pharma Inc. (LTRN) | Option exercise/expiry (X): 3,832 @ $3.13 · Option exercise/expiry (X): 3,832 (derivative) @ $0 | EDGAR |
| 2024-07-17 | 4 | Lantern Pharma Inc. (LTRN) | Grant/award (A): 5,000 (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=1393516 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →