Who
Teresa A. Harris
Director
Company insider
Files Form 4 as: Director, Ziff Davis; Director, Altair Engineering.
In numbers
- Trades disclosed
- 67
- Buys
- 3
- Sells
- 13
- Bought
- $122K
- Sold
- $1.0M
- Companies
- 2
- Companies where not an officer
- 2
- First trade
- 14 Jun 2018
- Last trade
- 7 May 2026
- Last filed
- 8 May 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 | |
|---|---|---|---|---|
| 7 May 2026filed 8 May 2026 | ZD Ziff DavisTelecom Carriers | SEC FORM 4 Code M | $342K7,903 at $43.31 | filing |
| 7 May 2026filed 8 May 2026 | ZD Ziff DavisTelecom Carriers | SEC FORM 4 Code M | $342K7,903 at $43.31 | filing |
| 6 May 2026filed 8 May 2026 | ZD Ziff Davisoption or derivative · Telecom Carriers | SEC FORM 4 Code A | —5,723 at $0.00 | filing |
| 6 May 2026filed 8 May 2026 | ZD Ziff Davisoption or derivative · Telecom Carriers | SEC FORM 4 Code A | —5,723 at $0.00 | filing |
| 7 May 2025filed 8 May 2026 | ZD Ziff Davisoption or derivative · Telecom Carriers | SEC FORM 4 Code M | —7,903 at $0.00 | filing |
| 7 May 2025filed 8 May 2026 | ZD Ziff Davisoption or derivative · Telecom Carriers | SEC FORM 4 Code M | —7,903 at $0.00 | filing |
| 7 May 2025filed 9 May 2025 | ZD Ziff Davisoption or derivative · Telecom Carriers | SEC FORM 4 Code A | —7,903 at $0.00 | filing |
| 7 May 2025filed 9 May 2025 | ZD Ziff DavisTelecom Carriers | SEC FORM 4 Code M | $114K3,610 at $31.63 | filing |
| 26 Mar 2025filed 26 Mar 2025 | Altair Engineeringoption or derivative | SEC FORM 4 Code D | $1.3M12,020 at $108.48 | filing |
| 26 Mar 2025filed 26 Mar 2025 | Altair Engineeringoption or derivative | SEC FORM 4 Code D | $431K4,000 at $107.82 | filing |
| 26 Mar 2025filed 26 Mar 2025 | Altair Engineering | SEC FORM 4 Code D | $2.0M18,092 at $113.00 | filing |
| 6 Mar 2025filed 6 Mar 2025 | Altair Engineering | SEC FORM 4 Sold | $50K450 at $111.08 | filing |
| 27 Feb 2025filed 28 Feb 2025 | ZD Ziff DavisTelecom Carriers | SEC FORM 4 Bought | $25K593 at $42.11 | filing |
| 25 Feb 2025filed 27 Feb 2025 | Altair Engineering | SEC FORM 4 Sold | $301K2,700 at $111.61 | filing |
| 5 Nov 2024filed 6 Nov 2024 | Altair Engineeringoption or derivative | SEC FORM 4 Code M | —620 at $0.00 | filing |
| 5 Nov 2024filed 6 Nov 2024 | Altair Engineering | SEC FORM 4 Code M | —620 at $0.00 | filing |
| 5 Nov 2024filed 6 Nov 2024 | Altair Engineering | SEC FORM 4 Sold | $65K620 at $104.10 | filing |
| 1 Oct 2024filed 1 Oct 2024 | Altair Engineeringoption or derivative | SEC FORM 4 Code M | —620 at $0.00 | filing |
| 1 Oct 2024filed 1 Oct 2024 | Altair Engineering | SEC FORM 4 Code M | —620 at $0.00 | filing |
| 1 Oct 2024filed 1 Oct 2024 | Altair Engineering | SEC FORM 4 Sold | $59K620 at $95.12 | filing |
News
No headline names them, or the companies they trade most, lately.