Landsittel Michael — SEC Form 4 filings
SEC reporting owner CIK 1651036. 12 Form 4 filings on record with FilingPulse; latest filed 2026-03-25.
Transaction summary — filings shown
Covers all 12 filings on record, filed 2024-03-06 to 2026-03-25. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 13 legs across 7 filings — 47,280 shares, $4,485,189 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 27.
- Largest priced transaction: sale of 10,000 shares @ $105.00 ($1,050,000) in Blueprint Medicines Corp, filed 2024-05-06.
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 |
|---|---|---|---|---|---|
| Blueprint Medicines Corp (BPMC) | Chief Financial Officer | 11 | — | 13 legs · 47,280 sh · $4,485,189 | 26 |
| Damora Therapeutics, Inc. (DMRA) | Director | 1 | — | — | 1 |
Form 4 filings — Landsittel Michael
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-25 | 4 | Damora Therapeutics, Inc. (DMRA) | Grant/award (A): 37,313 (derivative) @ $0 | EDGAR |
| 2025-07-21 | 4 | Blueprint Medicines Corp (BPMC) | Grant/award (A): 21,353 · Disposition to issuer (D): 51,102 · Code (U): 43,175 · Disposition to issuer (D): 10,000 (derivative) · Disposition to issuer (D): 26,000 (derivative) · Disposition to issuer (D): 19,500 (derivative) · +6 more | EDGAR |
| 2025-03-07 | 4 | Blueprint Medicines Corp (BPMC) | Sale (S): 5,284 @ $88.80 | EDGAR |
| 2025-03-04 | 4 | Blueprint Medicines Corp (BPMC) | Grant/award (A): 11,000 @ $0 · Grant/award (A): 22,000 (derivative) @ $0 | EDGAR |
| 2024-08-19 | 4 | Blueprint Medicines Corp (BPMC) | Sale (S): 4,409 @ $95.23 | EDGAR |
| 2024-05-17 | 4 | Blueprint Medicines Corp (BPMC) | Sale (S): 2,486 @ $107.17 · Sale (S): 1,364 @ $106.56 | EDGAR |
| 2024-05-10 | 4 | Blueprint Medicines Corp (BPMC) | Option exercise (M): 26,363 @ $1.87 · Option exercise (M): 1,818 @ $8.80 · Option exercise (M): 26,363 (derivative) @ $0 · Option exercise (M): 1,818 (derivative) @ $0 | EDGAR |
| 2024-05-06 | 4 | Blueprint Medicines Corp (BPMC) | Option exercise (M): 10,000 @ $36.05 · Sale (S): 10,000 @ $105 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2024-04-01 | 4 | Blueprint Medicines Corp (BPMC) | Option exercise (M): 5,000 @ $36.05 · Sale (S): 5,000 @ $95 · Option exercise (M): 5,000 (derivative) @ $0 | EDGAR |
| 2024-03-19 | 4 | Blueprint Medicines Corp (BPMC) | Option exercise (M): 5,000 @ $36.05 · Sale (S): 2,675 @ $87.10 · Sale (S): 1,413 @ $88.27 · Sale (S): 912 @ $88.88 · Sale (S): 4,629 @ $87.09 · Sale (S): 1,638 @ $88.08 · +2 more | EDGAR |
| 2024-03-11 | 4 | Blueprint Medicines Corp (BPMC) | Sale (S): 5,003 @ $90.69 | EDGAR |
| 2024-03-06 | 4 | Blueprint Medicines Corp (BPMC) | Grant/award (A): 12,500 @ $0 · Grant/award (A): 25,000 (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.
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