Blumenstock Gerald M — SEC Form 4 filings
SEC reporting owner CIK 1979418. 11 Form 4 filings on record with FilingPulse; latest filed 2026-06-16.
Transaction summary — filings shown
Covers all 11 filings on record, filed 2024-05-15 to 2026-06-16. 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): 3 legs across 3 filings — 5,210 shares, $613,456 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 14.
- Largest priced transaction: sale of 3,034 shares @ $89.46 ($271,422) in AXCELIS TECHNOLOGIES INC, filed 2025-12-12.
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 |
|---|---|---|---|---|---|
| AXCELIS TECHNOLOGIES INC (ACLS) | EVP, Research, Dev. & Eng. | 11 | — | 3 legs · 5,210 sh · $613,456 | 14 |
Form 4 filings — Blumenstock Gerald M
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-16 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Tax withholding (F): 506 @ $191.60 | EDGAR |
| 2026-05-22 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Sale (S): 1,161 @ $152.70 | EDGAR |
| 2026-05-19 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Grant/award (A): 2,725 @ $0 · Grant/award (A): 2,725 @ $0 · Tax withholding (F): 744 @ $155.18 · Tax withholding (F): 345 @ $155.18 | EDGAR |
| 2026-05-15 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Sale (S): 1,015 @ $162.31 | EDGAR |
| 2026-03-03 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Tax withholding (F): 1,121 @ $86.58 | EDGAR |
| 2025-12-12 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Sale (S): 3,034 @ $89.46 | EDGAR |
| 2025-06-17 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Tax withholding (F): 506 @ $68.96 | EDGAR |
| 2025-05-19 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Grant/award (A): 6,148 @ $0 · Grant/award (A): 6,148 @ $0 · Tax withholding (F): 345 @ $62.67 | EDGAR |
| 2025-03-04 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Tax withholding (F): 748 @ $54.79 | EDGAR |
| 2024-06-18 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Tax withholding (F): 308 @ $138.02 | EDGAR |
| 2024-05-15 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Grant/award (A): 2,849 @ $0 · Grant/award (A): 2,849 @ $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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