Insider · CIK 0001766979

Brown Matthew Charles

Reports to the SEC for 3 companies · COLUMBIA, MD

sec.gov

Transactions

Companies

Filings

CIK

0001766979

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-08-21	TENBTenable Holdings, Inc.M Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	+14.5K sh	—	—	54,410
2026-08-21	TENBTenable Holdings, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−7,400 sh	$34.38	−$254K	47,010
2026-08-21	TENBTenable Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	−14.5K sh	—	—	174,536
2026-05-21	TENBTenable Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	−14.5K sh	—	—	189,080
2026-05-21	TENBTenable Holdings, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−5,219 sh	$25.17	−$131K	39,866
2026-05-21	TENBTenable Holdings, Inc.M Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	+14.5K sh	—	—	45,085
2026-05-04	TENBTenable Holdings, Inc.P Purchase	Chief Financial Officer	PPurchase	+12K sh	$21.54	+$258K	30,541
2026-02-26	TENBTenable Holdings, Inc. · Restricted Stock UnitsA Award	Chief Financial Officer	AAward	+142K sh	—	—	141,898
2026-02-23	TENBTenable Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	−14.5K sh	—	—	203,624
2026-02-23	TENBTenable Holdings, Inc.M Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	+14.5K sh	—	—	23,810
2026-02-23	TENBTenable Holdings, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−5,269 sh	$17.55	−$92.5K	18,541
2025-11-21	TENBTenable Holdings, Inc.M Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	+14.5K sh	—	—	14,544
2025-11-21	TENBTenable Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	−14.5K sh	—	—	218,168
2025-11-21	TENBTenable Holdings, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−5,278 sh	$26.06	−$138K	9,266
2025-08-21	TENBTenable Holdings, Inc. · Restricted Stock UnitsA Award	Chief Financial Officer	AAward	+233K sh	—	—	232,712
2025-03-26	Altair Engineering Inc.Class A Common Stock OptionD Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−8,000 sh	$50.09	−$401K	0
2025-03-26	Altair Engineering Inc.D Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−66.1K sh	$113.00	−$7.47M	0
2025-03-26	Altair Engineering Inc.Class A Common Stock OptionD Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−45K sh	$55.30	−$2.49M	0
2025-03-26	Altair Engineering Inc.Class A Common Stock OptionD Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−12K sh	$51.21	−$615K	0
2025-03-26	Altair Engineering Inc.Class A Common Stock OptionD Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−24K sh	$67.09	−$1.61M	0
2025-03-26	Altair Engineering Inc.Class A Common Stock OptionD Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−20.6K sh	$47.81	−$986K	0
2025-03-26	Altair Engineering Inc.Class A Common Stock OptionD Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−21.6K sh	$33.97	−$732K	0
2025-03-06	Altair Engineering Inc.G Gift	Chief Financial Officer	GGift	−2,527 sh	—	—	66,125
2025-03-03	Altair Engineering Inc.S Sale	Chief Financial Officer	SSale	−742 sh	$111.45	−$82.7K	68,652
2025-02-26	Altair Engineering Inc.S Sale	Chief Financial Officer	SSale	−3,811 sh	$111.53	−$425K	69,394
2025-02-12	Altair Engineering Inc.A Award	Chief Financial Officer	AAward	+17.6K sh	—	—	73,205
2025-01-14	Altair Engineering Inc.A Award	Chief Financial Officer	AAward	+73 sh	$82.42	+$6,016.66	55,592
2024-12-23	Altair Engineering Inc.S Sale	Chief Financial Officer	SSale	−1,048 sh	$108.90	−$114K	55,519
2024-07-12	Altair Engineering Inc.A Award	Chief Financial Officer	AAward	+83 sh	$71.68	+$5,949.44	56,567
2024-03-15	Altair Engineering Inc.A Award	Chief Financial Officer	AAward	+8,625 sh	—	—	56,484
2024-03-15	Altair Engineering Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+21.6K sh	—	—	21,563
2024-03-04	Altair Engineering Inc.S Sale	Chief Financial Officer	SSale	−883 sh	$85.32	−$75.3K	47,859
2024-02-28	Altair Engineering Inc.S Sale	Chief Financial Officer	SSale	−4,363 sh	$83.65	−$365K	48,742
2024-01-12	Altair Engineering Inc.A Award	Chief Financial Officer	AAward	+94 sh	$63.92	+$6,008.48	53,105
2023-12-20	Altair Engineering Inc.A Award	Chief Financial Officer	AAward	+10K sh	—	—	53,011
2023-07-14	Altair Engineering Inc.A Award	Chief Financial Officer	AAward	+140 sh	$42.65	+$5,971	43,011
2023-03-02	Altair Engineering Inc.A Award	Chief Financial Officer	AAward	+8,250 sh	—	—	42,871
2023-03-02	Altair Engineering Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+20.6K sh	—	—	20,625
2023-03-01	Altair Engineering Inc.S Sale	Chief Financial Officer	SSale	−956 sh	$63.84	−$61K	34,621
2023-03-01	Altair Engineering Inc.S Sale	Chief Financial Officer	SSale	−348 sh	$63.84	−$22.2K	35,577
2023-03-01	Altair Engineering Inc.S Sale	Chief Financial Officer	SSale	−2,173 sh	$63.84	−$139K	35,925
2023-01-14	Altair Engineering Inc.A Award	Chief Financial Officer	AAward	+142 sh	$42.31	+$6,008.02	38,098
2022-12-15	Altair Engineering Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+24K sh	—	—	24,000
2022-07-14	Altair Engineering Inc.A Award	Chief Financial Officer	AAward	+145 sh	$41.68	+$6,043.6	37,956
2022-03-19	Altair Engineering Inc.A Award	Chief Financial Officer	AAward	+11K sh	—	—	37,811
2022-03-19	Altair Engineering Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+8,000 sh	—	—	8,000
2022-03-07	Altair Engineering Inc.S Sale	Chief Financial Officer	SSale	−2,298 sh	$64.55	−$148K	22,811
2022-02-15	Altair Engineering Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+12K sh	—	—	12,000
2022-02-15	Altair Engineering Inc.A Award	Chief Financial Officer	AAward	+4,000 sh	—	—	26,811
2022-01-14	Altair Engineering Inc.A Award	Chief Financial Officer	AAward	+109 sh	$54.57	+$5,948.13	25,109

Recent filings

Accepted (ET)
Aug 254
Brown Matthew Charles0001766979-26-000010
SEC(opens sec.gov)
May 264
Brown Matthew Charles0001766979-26-000008
SEC(opens sec.gov)
May 54
Brown Matthew Charles0001766979-26-000006
SEC(opens sec.gov)
Feb 274
Brown Matthew Charles0001766979-26-000004
SEC(opens sec.gov)
Feb 254
Brown Matthew Charles0001766979-26-000002
SEC(opens sec.gov)
Nov 254
Brown Matthew Charles0001766979-25-000005
SEC(opens sec.gov)
Aug 254
Brown Matthew Charles0001660280-25-000100
SEC(opens sec.gov)
Mar 264
Brown Matthew Charles0000950170-25-045344
SEC(opens sec.gov)

Companies

Address

C/O TENABLE HOLDINGS, INC. 6100 MERRIWEATHER DRIVE

COLUMBIA, MD, 21044