Brown Matthew Charles
Insider CIK 1766979 · TENB Chief Financial Officer · ALTR Chief Financial Officer · SYMC VP, Finance & CAO
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| TENB Tenable Holdings, Inc. | M Exercise deriv | 2026-08-21 | 2026-08-25 | 14,544 | — | $0 | 174,536 | SEC↗ |
| TENB Tenable Holdings, Inc. | F Tax w/h | 2026-08-21 | 2026-08-25 | 7,400 | $34.38 | $254.4K | 47,010 | SEC↗ |
| TENB Tenable Holdings, Inc. | M Exercise | 2026-08-21 | 2026-08-25 | 14,544 | — | $0 | 54,410 | SEC↗ |
| TENB Tenable Holdings, Inc. | M Exercise deriv | 2026-08-21 | 2026-08-25 | 14,544 | — | $0 | 174,536 | SEC↗ |
| TENB Tenable Holdings, Inc. | F Tax w/h | 2026-08-21 | 2026-08-25 | 7,400 | $34.38 | $254.4K | 47,010 | SEC↗ |
| TENB Tenable Holdings, Inc. | M Exercise | 2026-08-21 | 2026-08-25 | 14,544 | — | $0 | 54,410 | SEC↗ |
| TENB Tenable Holdings, Inc. | M Exercise deriv | 2026-05-21 | 2026-05-26 | 14,544 | — | $0 | 189,080 | SEC↗ |
| TENB Tenable Holdings, Inc. | F Tax w/h | 2026-05-21 | 2026-05-26 | 5,219 | $25.17 | $131.4K | 39,866 | SEC↗ |
| TENB Tenable Holdings, Inc. | M Exercise | 2026-05-21 | 2026-05-26 | 14,544 | — | $0 | 45,085 | SEC↗ |
| TENB Tenable Holdings, Inc. | P Buy | 2026-05-04 | 2026-05-05 | 12,000 | $21.54 | $258.5K | 30,541 | SEC↗ |
| TENB Tenable Holdings, Inc. | A Award deriv | 2026-02-26 | 2026-02-27 | 141,898 | — | $0 | 141,898 | SEC↗ |
| TENB Tenable Holdings, Inc. | M Exercise deriv | 2026-02-23 | 2026-02-25 | 14,544 | — | $0 | 203,624 | SEC↗ |
| TENB Tenable Holdings, Inc. | M Exercise | 2026-02-23 | 2026-02-25 | 14,544 | — | $0 | 23,810 | SEC↗ |
| TENB Tenable Holdings, Inc. | F Tax w/h | 2026-02-23 | 2026-02-25 | 5,269 | $17.55 | $92.5K | 18,541 | SEC↗ |
| TENB Tenable Holdings, Inc. | M Exercise deriv | 2025-11-21 | 2025-11-25 | 14,544 | — | $0 | 218,168 | SEC↗ |
| TENB Tenable Holdings, Inc. | F Tax w/h | 2025-11-21 | 2025-11-25 | 5,278 | $26.06 | $137.5K | 9,266 | SEC↗ |
| TENB Tenable Holdings, Inc. | M Exercise | 2025-11-21 | 2025-11-25 | 14,544 | — | $0 | 14,544 | SEC↗ |
| TENB Tenable Holdings, Inc. | A Award deriv | 2025-08-21 | 2025-08-25 | 232,712 | — | $0 | 232,712 | SEC↗ |
| ALTR Altair Engineering Inc. | D To issuer deriv | 2025-03-26 | 2025-03-26 | 12,000 | $51.21 | $614.5K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | D To issuer deriv | 2025-03-26 | 2025-03-26 | 45,000 | $55.30 | $2.49M | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | D To issuer deriv | 2025-03-26 | 2025-03-26 | 8,000 | $50.09 | $400.7K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | D To issuer deriv | 2025-03-26 | 2025-03-26 | 21,563 | $33.97 | $732.5K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | D To issuer deriv | 2025-03-26 | 2025-03-26 | 20,625 | $47.81 | $986.1K | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | D To issuer deriv | 2025-03-26 | 2025-03-26 | 24,000 | $67.09 | $1.61M | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | D To issuer | 2025-03-26 | 2025-03-26 | 66,125 | $113.00 | $7.47M | 0 | SEC↗ |
| ALTR Altair Engineering Inc. | G Gift | 2025-03-06 | 2025-03-06 | 2,527 | — | $0 | 66,125 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2025-03-03 | 2025-03-05 | 742 | $111.45 | $82.7K | 68,652 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2025-02-26 | 2025-02-27 | 3,811 | $111.53 | $425.0K | 69,394 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award | 2025-02-12 | 2025-02-14 | 17,613 | — | $0 | 73,205 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award | 2025-01-14 | 2025-01-16 | 73 | $82.42 | $6.0K | 55,592 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-12-23 | 2024-12-26 | 1,048 | $108.90 | $114.1K | 55,519 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award | 2024-07-12 | 2024-07-16 | 83 | $71.68 | $5.9K | 56,567 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award deriv | 2024-03-15 | 2024-03-19 | 21,563 | — | $0 | 21,563 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award | 2024-03-15 | 2024-03-19 | 8,625 | — | $0 | 56,484 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-03-04 | 2024-03-05 | 883 | $85.32 | $75.3K | 47,859 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2024-02-28 | 2024-02-29 | 4,363 | $83.65 | $365.0K | 48,742 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award | 2024-01-12 | 2024-01-17 | 94 | $63.92 | $6.0K | 53,105 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award | 2023-12-20 | 2023-12-21 | 10,000 | — | $0 | 53,011 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award | 2023-07-14 | 2023-07-17 | 140 | $42.65 | $6.0K | 43,011 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award deriv | 2023-03-02 | 2023-03-03 | 20,625 | — | $0 | 20,625 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award | 2023-03-02 | 2023-03-03 | 8,250 | — | $0 | 42,871 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-03-01 | 2023-03-03 | 956 | $63.84 | $61.0K | 34,621 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-03-01 | 2023-03-03 | 2,173 | $63.84 | $138.7K | 35,925 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2023-03-01 | 2023-03-03 | 348 | $63.84 | $22.2K | 35,577 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award | 2023-01-14 | 2023-01-18 | 142 | $42.31 | $6.0K | 38,098 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award deriv | 2022-12-15 | 2022-12-16 | 24,000 | — | $0 | 24,000 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award | 2022-07-14 | 2022-07-18 | 145 | $41.68 | $6.0K | 37,956 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award deriv | 2022-03-19 | 2022-03-22 | 8,000 | — | $0 | 8,000 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award | 2022-03-19 | 2022-03-22 | 11,000 | — | $0 | 37,811 | SEC↗ |
| ALTR Altair Engineering Inc. | S Sale | 2022-03-07 | 2022-03-09 | 2,298 | $64.55 | $148.3K | 22,811 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award deriv | 2022-02-15 | 2022-03-16 | 12,000 | — | $0 | 12,000 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award | 2022-02-15 | 2022-03-16 | 4,000 | — | $0 | 26,811 | SEC↗ |
| ALTR Altair Engineering Inc. | A Award | 2022-01-14 | 2022-01-19 | 109 | $54.57 | $5.9K | 25,109 | SEC↗ |
| NLOK NortonLifeLock Inc. | S Sale | 2020-08-17 | 2020-08-18 | 531 | $22.94 | $12.2K | 114,675 | SEC↗ |
| NLOK NortonLifeLock Inc. | S Sale | 2020-08-11 | 2020-08-12 | 31,598 | $22.63 | $715.1K | 83,077 | SEC↗ |
| NLOK NortonLifeLock Inc. | A Award | 2020-07-10 | 2020-07-14 | 36,789 | — | $0 | 114,675 | SEC↗ |
| NLOK NortonLifeLock Inc. | F Tax w/h | 2020-06-01 | 2020-06-02 | 6,350 | $21.71 | $137.9K | 77,886 | SEC↗ |
| NLOK NortonLifeLock Inc. | F Tax w/h | 2020-03-01 | 2020-03-02 | 2,586 | $19.03 | $49.2K | 86,855 | SEC↗ |
| NLOK NortonLifeLock Inc. | S Sale | 2020-02-18 | 2020-06-02 | 1,766 | $20.45 | $36.1K | 84,236 | SEC↗ |
| NLOK NortonLifeLock Inc. | F Tax w/h | 2019-12-01 | 2019-12-02 | 726 | $24.90 | $18.1K | 87,675 | SEC↗ |
| NLOK NortonLifeLock Inc. | S Sale | 2019-08-16 | 2020-06-02 | 853 | $23.35 | $19.9K | 86,002 | SEC↗ |
| SYMC SYMANTEC CORP | F Tax w/h | 2019-08-01 | 2019-08-02 | 1,200 | $21.54 | $25.8K | 87,548 | SEC↗ |
| SYMC SYMANTEC CORP | A Award | 2019-06-10 | 2019-06-12 | 29,459 | — | $0 | 88,748 | SEC↗ |
| SYMC SYMANTEC CORP | F Tax w/h | 2019-06-01 | 2019-06-03 | 5,781 | $18.73 | $108.3K | 59,289 | SEC↗ |
| SYMC SYMANTEC CORP | A Award | 2019-05-20 | 2019-05-21 | 6,556 | $20.05 | $131.4K | 65,070 | SEC↗ |
| SYMC SYMANTEC CORP | S Sale | 2019-03-07 | 2019-03-08 | 5,393 | $21.90 | $118.1K | 58,514 | SEC↗ |
| SYMC SYMANTEC CORP | A Award | 2019-02-08 | 2019-02-12 | 25,080 | — | $0 | 58,514 | SEC↗ |