Who
Mary G. Puma
Director
Company insider
Files Form 4 as: Director, Allegro MicroSystems; Director, Entegris; Director, Ciena; Director, Penguin Solutions; Executive Chairperson, Axcelis Technologies; Director, Nordson.
In numbers
- Trades disclosed
- 233
- Buys
- 5
- Sells
- 40
- Bought
- $214K
- Sold
- $38.6M
- Companies
- 6
- Companies where not an officer
- 5
- First trade
- 30 Dec 2005
- Last trade
- 5 Aug 2026
- Last filed
- 7 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 5 Aug 2026filed 7 Aug 2026 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —4,251 at $0.00 | filing |
| 5 Aug 2026filed 7 Aug 2026 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —4,251 at $0.00 | filing |
| 6 May 2026filed 8 May 2026 | ENTG EntegrisSemiconductor Equipment | SEC FORM 4 Code A | —1,412 at $0.00 | filing |
| 6 May 2026filed 8 May 2026 | ENTG EntegrisSemiconductor Equipment | SEC FORM 4 Code A | —1,412 at $0.00 | filing |
| 26 Mar 2026filed 30 Mar 2026 | CIEN CienaElectronic Components & EMS | SEC FORM 4 Code A | —605 at $0.00 | filing |
| 26 Mar 2026filed 30 Mar 2026 | CIEN CienaElectronic Components & EMS | SEC FORM 4 Code A | —605 at $0.00 | filing |
| 6 Feb 2026filed 10 Feb 2026 | PENG Penguin SolutionsSemiconductors | SEC FORM 4 Code A | —10,034 at $0.00 | filing |
| 6 Feb 2026filed 10 Feb 2026 | PENG Penguin SolutionsSemiconductors | SEC FORM 4 Code A | —10,034 at $0.00 | filing |
| 7 Aug 2025filed 8 Aug 2025 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —5,932 at $0.00 | filing |
| 23 Apr 2025filed 25 Apr 2025 | ENTG EntegrisSemiconductor Equipment | SEC FORM 4 Code A | —2,897 at $0.00 | filing |
| 27 Mar 2025filed 31 Mar 2025 | CIEN CienaElectronic Components & EMS | SEC FORM 4 Code A | —3,738 at $0.00 | filing |
| 7 Feb 2025filed 11 Feb 2025 | PENG Penguin SolutionsSemiconductors | SEC FORM 4 Code A | —8,397 at $0.00 | filing |
| 5 Sep 2024filed 6 Sep 2024 | ENTG EntegrisSemiconductor Equipment | SEC FORM 4 Code A | —1,207 at $0.00 | filing |
| 8 Aug 2024filed 9 Aug 2024 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | $185K6,873 at $26.92 | filing |
| 9 May 2024filed 13 May 2024 | ACLS Axcelis TechnologiesSemiconductor Equipment | SEC FORM 4 Code F | $2.0M17,393 at $113.04 | filing |
| 21 Mar 2024filed 25 Mar 2024 | CIEN CienaElectronic Components & EMS | SEC FORM 4 Code A | —4,438 at $0.00 | filing |
| 28 Feb 2024filed 1 Mar 2024 | ACLS Axcelis TechnologiesSemiconductor Equipment | SEC FORM 4 Code F | —6,289 | filing |
| 28 Feb 2024filed 1 Mar 2024 | ACLS Axcelis TechnologiesSemiconductor Equipment | SEC FORM 4 Code F | —6,828 | filing |
| 18 Oct 2023filed 20 Oct 2023 | ALGM Allegro MicroSystemsSemiconductors | SEC FORM 4 Code A | —4,678 at $0.00 | filing |
| 1 Sep 2023filed 6 Sep 2023 | CIEN CienaElectronic Components & EMS | SEC FORM 4 Code A | —2,696 at $0.00 | filing |
News
Axcelis Technologies To Start Construction Of Implantation Facility In South KoreaACLS · finanzen.ch · 20 Oct 2026
0 headlines in the last 90 days name Mary G. Puma; 1 article from the last 14 days about the 2 companies they traded most, at most three about any one of them.