Brown Matthew Charles

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Brown Matthew Charles
CIK #0001766979
EDGAR Form CIK 2011 - 2026
3 [0001766979]
4 [0001766979]
Form 3/4/5 Subject 2011 - 2026
Tenable Holdings Inc
Brown Matthew Charles
Altair Engineering Inc
Symantec Corp
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Tenable Holdings Inc TENB
Restricted Stock Units · derivative
2026-02-26 Grant 141,898 $0.00
Tenable Holdings Inc TENB
Common Stock
2026-02-23 Tax withheld 5,269 $17.55 92,471
Tenable Holdings Inc TENB
Common Stock
2026-02-23 Option exercise 14,544 $0.00
Tenable Holdings Inc TENB
Restricted Stock Units · derivative
2026-02-23 Option exercise 14,544 $0.00
Tenable Holdings Inc TENB
Common Stock
2025-11-21 Option exercise 14,544 $0.00
Tenable Holdings Inc TENB
Common Stock
2025-11-21 Tax withheld 5,278 $26.06 137,545
Tenable Holdings Inc TENB
Restricted Stock Units · derivative
2025-11-21 Option exercise 14,544 $0.00
Altair Engineering Inc ALTR
Class A Common Stock Option · derivative
2025-03-26 Disposed to issuer 21,563 $33.97 732,495
Altair Engineering Inc ALTR
Class A Common Stock
2025-03-26 Disposed to issuer 66,125 $113.00 7,472,125
Altair Engineering Inc ALTR
Class A Common Stock Option · derivative
2025-03-26 Disposed to issuer 24,000 $67.09 1,610,160
Altair Engineering Inc ALTR
Class A Common Stock Option · derivative
2025-03-26 Disposed to issuer 20,625 $47.81 986,081
Altair Engineering Inc ALTR
Class A Common Stock Option · derivative
2025-03-26 Disposed to issuer 8,000 $50.09 400,720
Altair Engineering Inc ALTR
Class A Common Stock Option · derivative
2025-03-26 Disposed to issuer 45,000 $55.30 2,488,500
Altair Engineering Inc ALTR
Class A Common Stock Option · derivative
2025-03-26 Disposed to issuer 12,000 $51.21 614,520
Altair Engineering Inc ALTR
Class A Common Stock
2025-03-06 Gift 2,527 $0.00
Altair Engineering Inc ALTR
Class A Common Stock
2025-03-03 Sell 742 $111.45 82,696
Altair Engineering Inc ALTR
Class A Common Stock
2025-02-26 Sell 3,811 $111.53 425,041
Altair Engineering Inc ALTR
Class A Common Stock
2025-02-12 Grant 17,613 $0.00
Altair Engineering Inc ALTR
Class A Common Stock
2025-01-14 Grant 73 $82.42 6,017
Altair Engineering Inc ALTR
Class A Common Stock
2024-12-23 Sell 1,048 $108.90 114,127
showing 20 of 56 most recent transactions
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