United States Software & IT Services

Tenable Holdings Inc (TENB)

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Over the past 90 days, Tenable Holdings Inc. recorded a single insider transaction involving a $258,480 purchase by CFO Matthew Charles Brown. This follows a period of significant stock price appreciation. While previous months saw various sales by directors and officers, recent activity reflects a net buying position by executive leadership.
Ticker: TENB Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Tenable Holdings Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Trades
Buy 4 May 2026
Value US$2,615,956.73 | Price 190.35 | Shares 1,591 (+2.4%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-05 2026-05-04 B Purchase
3.2
Brown Matthew Charles

Chief Financial Officer

Officer
1,591 +2.4%
190.35
US$2,615,957 		1,591 +2.4% 190.35 US$2,615,957
2026-02-13 2026-02-12 B Purchase
1.6
Vicks Raymond Jr.
Non-Executive Director
39,341 +44.1%
154.70
US$2,064,683 		39,341 +44.1% 154.70 US$2,064,683
2026-02-09 2026-02-09 B Purchase
2.3
COVIELLO ARTHUR W JR
Non-Executive Director
96,632 +37.1%
346.05
US$3,247,900 		96,632 +37.1% 346.05 US$3,247,900
2025-12-17 2025-12-15 S Sale
3.6
SEAWELL A BROOKE
Non-Executive Director
115,000 -100.0%
24.82
US$2,854,300 		115,000 -100.0% 24.82 US$2,854,300
2025-12-15 2025-12-15 PrS Proposed sale
3.6
SEAWELL A BROOKE

Director

Non-Executive Director
115,000
24.82
US$2,854,662 		115,000 24.82 US$2,854,662
2025-10-20 2025-10-17 S Sale
3.8
Anschutz Barron

Principal Accounting Officer
976 -1.6%
29.10
US$28,402 		976 -1.6% 29.10 US$28,402
2025-10-17 2025-10-17 PrS Proposed sale
3.8
Anschutz Barron

Officer

Officer
976
29.10
US$28,403 		976 29.10 US$28,403
2025-09-11 2025-09-09 S Sale
3.6
SEAWELL A BROOKE
Non-Executive Director
15,000 -100.0%
30.80
US$462,000 		15,000 -100.0% 30.80 US$462,000
2025-09-09 2025-09-09 PrS Proposed sale
3.6
SEAWELL A BROOKE

Director

Non-Executive Director
15,000
30.80
US$462,040 		15,000 30.80 US$462,040
2025-09-08 2025-09-04 S Sale
3.6
SEAWELL A BROOKE
Non-Executive Director
4,622 -23.6%
30.12
US$139,215 		4,622 -23.6% 30.12 US$139,215
2025-09-04 2025-09-04 PrS Proposed sale
3.6
SEAWELL A BROOKE

Director

Non-Executive Director
4,622
30.12
US$139,193 		4,622 30.12 US$139,193
2025-08-27 2025-08-26 S Sale
3.5
Thurmond Mark C.

Co-Chief Executive Officer

Executive Director
2,541 -2.4%
29.84
US$75,823 		2,541 -2.4% 29.84 US$75,823
2025-08-27 2025-08-26 S Sale
3.8
Anschutz Barron

Principal Accounting Officer
670 -1.1%
29.84
US$19,993 		670 -1.1% 29.84 US$19,993
2025-08-27 2025-08-26 S Sale
3.4
Vintz Stephen A

Co-Chief Executive Officer

Executive Director
3,464 -0.9%
29.84
US$103,366 		3,464 -0.9% 29.84 US$103,366
2025-08-26 2025-08-26 PrS Proposed sale
3.4
Vintz Stephen A

Officer

Officer
3,464
29.84
US$103,381 		3,464 29.84 US$103,381
2025-08-26 2025-08-26 PrS Proposed sale
3.8
Anschutz Barron

Officer

Officer
670
29.84
US$19,996 		670 29.84 US$19,996
2025-08-26 2025-08-26 PrS Proposed sale
3.5
Thurmond Mark C.

Officer

Officer
2,541
29.84
US$75,835 		2,541 29.84 US$75,835
2025-08-26 2025-08-25 S Sale
3.5
Thurmond Mark C.

Co-Chief Executive Officer

Executive Director
28,500 -21.8%
30.25
US$862,125 		28,500 -21.8% 30.25 US$862,125
2025-08-26 2025-08-25 S Sale
3.8
Anschutz Barron

Principal Accounting Officer
1,261 -2.1%
30.25
US$38,145 		1,261 -2.1% 30.25 US$38,145
2025-08-26 2025-08-25 S Sale
3.4
Vintz Stephen A

Co-Chief Executive Officer

Executive Director
29,196 -7.5%
30.25
US$883,179 		29,196 -7.5% 30.25 US$883,179
2025-08-25 2025-08-25 PrS Proposed sale
3.5
Thurmond Mark C.

Officer

Officer
28,500
30.25
US$862,219 		28,500 30.25 US$862,219
2025-08-25 2025-08-25 PrS Proposed sale
3.8
Anschutz Barron

Officer

Officer
1,261
30.25
US$38,149 		1,261 30.25 US$38,149
2025-08-25 2025-08-25 PrS Proposed sale
3.4
Vintz Stephen A

Officer

Officer
29,196
30.25
US$883,275 		29,196 30.25 US$883,275
2025-07-18 2025-07-17 S Sale
3.8
Anschutz Barron

Principal Accounting Officer
970 -1.6%
33.08
US$32,088 		970 -1.6% 33.08 US$32,088
2025-07-17 2025-07-17 PrS Proposed sale
3.8
Anschutz Barron

Officer

Officer
970
33.08
US$32,088 		970 33.08 US$32,088
2025-05-29 2025-05-27 S Sale
3.4
Vintz Stephen A

Co-Chief Executive Officer

Executive Director
3,386 -1.0%
32.45
US$109,876 		3,386 -1.0% 32.45 US$109,876
2025-05-29 2025-05-27 S Sale
3.5
Thurmond Mark C.

Co-Chief Executive Officer

Executive Director
2,483 -3.3%
32.45
US$80,573 		2,483 -3.3% 32.45 US$80,573
2025-05-29 2025-05-27 S Sale
3.8
Anschutz Barron

Principal Accounting Officer
655 -1.1%
32.45
US$21,255 		655 -1.1% 32.45 US$21,255
2025-05-27 2025-05-27 PrS Proposed sale
3.4
Vintz Stephen A

Officer

Officer
3,386
32.45
US$109,873 		3,386 32.45 US$109,873
2025-05-27 2025-05-27 PrS Proposed sale
3.5
Thurmond Mark C.

Officer

Officer
2,483
32.45
US$80,572 		2,483 32.45 US$80,572
2025-05-27 2025-05-27 PrS Proposed sale
3.8
Anschutz Barron

Officer

Officer
655
32.45
US$21,254 		655 32.45 US$21,254
2025-05-27 2025-05-23 PlS Planned sale
3.4
Vintz Stephen A

Co-Chief Executive Officer

Executive Director
6,499 -1.9%
31.98
US$207,838 		6,499 -1.9% 31.98 US$207,838
2025-05-27 2025-05-23 S Sale
3.8
Anschutz Barron

Principal Accounting Officer
1,245 -2.1%
31.98
US$39,815 		1,245 -2.1% 31.98 US$39,815
2025-05-27 2025-05-23 PlS Planned sale
3.5
Thurmond Mark C.

Co-Chief Executive Officer

Executive Director
5,577 -6.9%
31.98
US$178,352 		5,577 -6.9% 31.98 US$178,352
2025-05-23 2025-05-23 PrS Proposed sale
3.8
Anschutz Barron

Officer

Officer
1,245
31.98
US$39,815 		1,245 31.98 US$39,815
2025-05-23 2025-05-23 PrS Proposed sale
3.4
Vintz Stephen A

Officer

Officer
6,499
31.98
US$207,835 		6,499 31.98 US$207,835
2025-05-23 2025-05-23 PrS Proposed sale
3.5
Thurmond Mark C.

Officer

Officer
5,577
31.98
US$178,350 		5,577 31.98 US$178,350
2025-03-13 2025-03-11 S Sale
3.3
Zecher Linda Kay
Non-Executive Director
2,500 -87.6%
37.00
US$92,500 		2,500 -87.6% 37.00 US$92,500
2025-03-04 2025-02-28 S Sale
3.8
Anschutz Barron

Principal Accounting Officer
4,405 -7.6%
37.59
US$165,584 		4,405 -7.6% 37.59 US$165,584
2025-02-28 2025-02-28 PrS Proposed sale
3.8
Anschutz Barron

Officer

Officer
4,405
37.59
US$165,565 		4,405 37.59 US$165,565
2025-02-28 2025-02-27 S Sale
3.5
Thurmond Mark C.

Co-CEO,Chief Operating Officer

Officer
5,984 -8.6%
38.16
US$228,349 		5,984 -8.6% 38.16 US$228,349
2025-02-28 2025-02-27 S Sale
3.4
Vintz Stephen A

Co-CEO,Chief Financial Officer

Officer
6,681 -2.1%
38.16
US$254,947 		6,681 -2.1% 38.16 US$254,947
2025-02-27 2025-02-27 PrS Proposed sale
3.4
Vintz Stephen A

Officer

Officer
6,681
38.16
US$254,958 		6,681 38.16 US$254,958
2025-02-27 2025-02-27 PrS Proposed sale
3.5
Thurmond Mark C.

Officer

Officer
5,984
38.16
US$228,360 		5,984 38.16 US$228,360
2025-02-28 2025-02-26 S Sale
3.5
Thurmond Mark C.

Co-CEO,Chief Operating Officer

Officer
4,878 -6.6%
38.19
US$186,291 		4,878 -6.6% 38.19 US$186,291
2025-02-28 2025-02-26 S Sale
3.4
Vintz Stephen A

Co-CEO,Chief Financial Officer

Officer
6,284 -1.9%
38.19
US$239,986 		6,284 -1.9% 38.19 US$239,986
2025-02-26 2025-02-26 PrS Proposed sale
3.4
Vintz Stephen A

Officer

Officer
6,284
38.19
US$239,982 		6,284 38.19 US$239,982
2025-02-26 2025-02-26 PrS Proposed sale
3.5
Thurmond Mark C.

Officer

Officer
4,878
38.19
US$186,287 		4,878 38.19 US$186,287
2025-02-26 2025-02-25 S Sale
3.4
Vintz Stephen A

Co-CEO,Chief Financial Officer

Officer
4,551 -1.4%
38.48
US$175,122 		4,551 -1.4% 38.48 US$175,122
2025-02-26 2025-02-25 S Sale
3.5
Thurmond Mark C.

Co-CEO,Chief Operating Officer

Officer
3,606 -4.6%
38.48
US$138,759 		3,606 -4.6% 38.48 US$138,759
2025-02-25 2025-02-25 PrS Proposed sale
3.4
Vintz Stephen A

Officer

Officer
4,551
38.48
US$175,120 		4,551 38.48 US$175,120
2025-02-25 2025-02-25 PrS Proposed sale
3.5
Thurmond Mark C.

Officer

Officer
3,606
38.48
US$138,757 		3,606 38.48 US$138,757
2025-02-21 2025-02-21 PrS Proposed sale
3.2
Yoran Amit

Former Officer & Director

Executive Director
2,163
38.47
US$83,205 		2,163 38.47 US$83,205
2025-02-20 2025-02-19 S Sale
3.5
Thurmond Mark C.

Co-CEO,Chief Operating Officer

Officer
1,341 -3.1%
39.56
US$53,050 		1,341 -3.1% 39.56 US$53,050
2025-02-20 2025-02-19 S Sale
3.4
Vintz Stephen A

Co-CEO,Chief Financial Officer

Officer
1,922 -0.7%
39.56
US$76,034 		1,922 -0.7% 39.56 US$76,034
2025-02-19 2025-02-19 PrS Proposed sale
3.5
Thurmond Mark C.

Officer

Officer
1,341
39.56
US$53,052 		1,341 39.56 US$53,052
2025-02-19 2025-02-19 PrS Proposed sale
3.4
Vintz Stephen A

Officer

Officer
1,922
39.56
US$76,037 		1,922 39.56 US$76,037
2025-01-23 2025-01-23 PrS Proposed sale
3.2
Yoran Amit

Former Officer & Director

Executive Director
7,874
42.46
US$334,340 		7,874 42.46 US$334,340
2025-01-10 2025-01-08 PlS Planned sale
1.6
Vicks Raymond Jr.
Non-Executive Director
809 -8.5%
38.52
US$31,163 		809 -8.5% 38.52 US$31,163
2025-01-08 2025-01-08 PrS Proposed sale
1.6
Vicks Raymond Jr.

Director

Non-Executive Director
809
38.52
US$31,163 		809 38.52 US$31,163
2024-12-02 2024-11-27 PlS Planned sale
3.5
Thurmond Mark C.

Chief Operating Officer

Officer
939 -2.4%
42.95
US$40,330 		939 -2.4% 42.95 US$40,330
2024-11-27 2024-11-27 PrS Proposed sale
3.5
Thurmond Mark C.

Officer

Officer
939
42.95
US$40,330 		939 42.95 US$40,330
2024-11-27 2024-11-26 S Sale
3.5
Thurmond Mark C.

Chief Operating Officer

Officer
2,537 -6.1%
42.56
US$107,975 		2,537 -6.1% 42.56 US$107,975
2024-11-27 2024-11-26 PlS Planned sale
3.5
Thurmond Mark C.

Chief Operating Officer

Officer
886 -2.1%
42.61
US$37,752 		886 -2.1% 42.61 US$37,752
2024-11-26 2024-11-26 PrS Proposed sale
3.5
Thurmond Mark C.

Officer

Officer
2,537
42.56
US$107,976 		2,537 42.56 US$107,976
2024-11-26 2024-11-26 PrS Proposed sale
3.4
Vintz Stephen A

Officer

Officer
3,460
42.56
US$147,260 		3,460 42.56 US$147,260
2024-11-26 2024-11-26 PrS Proposed sale
3.2
Yoran Amit

Officer; Director

Executive Director
5,753
42.56
US$244,851 		5,753 42.56 US$244,851
2024-11-26 2024-11-26 PrS Proposed sale
3.5
Thurmond Mark C.

Officer

Officer
886
42.61
US$37,752 		886 42.61 US$37,752
2024-11-26 2024-11-26 S Sale
3.4
Vintz Stephen A

Chief Financial Officer

Officer
3,460 -1.2%
42.56
US$147,258 		3,460 -1.2% 42.56 US$147,258
2024-11-26 2024-11-26 S Sale
3.2
Yoran Amit

President, CEO and Chairman

Executive Director
5,753 -8.9%
42.56
US$244,848 		5,753 -8.9% 42.56 US$244,848
2024-11-26 2024-11-25 S Sale
3.4
Vintz Stephen A

Chief Financial Officer

Officer
3,180 -1.1%
42.74
US$135,913 		3,180 -1.1% 42.74 US$135,913
2024-11-26 2024-11-25 S Sale
3.5
Thurmond Mark C.

Chief Operating Officer

Officer
2,343 -5.9%
42.74
US$100,140 		2,343 -5.9% 42.74 US$100,140
2024-11-26 2024-11-25 S Sale
3.2
Yoran Amit

President, CEO and Chairman

Executive Director
5,293 -9.3%
42.74
US$226,223 		5,293 -9.3% 42.74 US$226,223
2024-11-25 2024-11-25 PrS Proposed sale
3.2
Yoran Amit

Officer; Director

Executive Director
5,293
42.74
US$226,245 		5,293 42.74 US$226,245
2024-11-25 2024-11-25 PrS Proposed sale
3.5
Thurmond Mark C.

Officer

Officer
2,343
42.74
US$100,149 		2,343 42.74 US$100,149
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