Tatnall Christopher — SEC Form 4 filings
SEC reporting owner CIK 1990732. 12 Form 4 filings on record with FilingPulse; latest filed 2026-09-16.
Transaction summary — filings shown
Covers all 12 filings on record, filed 2024-04-19 to 2026-09-16. 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): 1 leg across 1 filing — 1,166 shares, $174,608 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 20.
- Largest priced transaction: sale of 1,166 shares @ $149.75 ($174,608) in AXCELIS TECHNOLOGIES INC, filed 2026-05-21.
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 Global Customer Operations | 12 | — | 1 leg · 1,166 sh · $174,608 | 20 |
Form 4 filings — Tatnall Christopher
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-16 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Tax withholding (F): 136 @ $105.04 | EDGAR |
| 2026-05-21 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Sale (S): 1,166 @ $149.75 | EDGAR |
| 2026-05-19 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Grant/award (A): 3,504 @ $0 · Grant/award (A): 3,504 @ $0 · Tax withholding (F): 744 @ $155.18 · Tax withholding (F): 345 @ $155.18 · Tax withholding (F): 170 @ $155.18 | EDGAR |
| 2026-04-21 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Tax withholding (F): 907 @ $131.02 | EDGAR |
| 2026-03-03 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Tax withholding (F): 1,121 @ $86.58 | EDGAR |
| 2025-09-17 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Tax withholding (F): 137 @ $87.30 | 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 · Tax withholding (F): 170 @ $62.67 | EDGAR |
| 2025-04-22 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Tax withholding (F): 907 @ $45.23 | EDGAR |
| 2025-03-04 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Tax withholding (F): 1,146 @ $54.79 | EDGAR |
| 2024-09-17 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Tax withholding (F): 83 @ $98.86 | EDGAR |
| 2024-05-16 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Grant/award (A): 2,849 @ $0 · Grant/award (A): 2,849 @ $0 · Tax withholding (F): 103 @ $112.94 | EDGAR |
| 2024-04-19 | 4 | AXCELIS TECHNOLOGIES INC (ACLS) | Tax withholding (F): 551 @ $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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