$TENB

📈 Chart

242 transactions across 28 dates · last 365 days

30d 90d 180d 365d

6-Month Buy/Sell Trend

Buys Sells
▶ 2026-04-16
3 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — M 2,031 $0 $0 Apr 17
Anschutz Barron — F 972 $19 $18K Apr 17
Anschutz Barron — M 2,031 $0 $0 Apr 17
▶ 2026-02-26
4 other
⚡ 4 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — A 92,879 $0 $0 Feb 27
Brown Matthew Charles Chief Financial Officer A 141,898 $0 $0 Feb 27
Vintz Stephen A Co-Chief Executive Officer A 341,847 $0 $0 Feb 27
Thurmond Mark C. Co-Chief Executive Officer A 341,847 $0 $0 Feb 27
▶ 2026-02-25
6 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Vintz Stephen A Co-Chief Executive Officer M 24,381 $0 $0 Feb 27
Vintz Stephen A Co-Chief Executive Officer F 11,667 $19 $222K Feb 27
Vintz Stephen A Co-Chief Executive Officer M 24,381 $0 $0 Feb 27
Thurmond Mark C. Co-Chief Executive Officer M 24,381 $0 $0 Feb 27
Thurmond Mark C. Co-Chief Executive Officer F 11,789 $19 $224K Feb 27
Thurmond Mark C. Co-Chief Executive Officer M 24,381 $0 $0 Feb 27
▶ 2026-02-23
57 other
⚡ 4 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — M 1,390 $0 $0 Feb 25
Anschutz Barron — F 666 $18 $12K Feb 25
Anschutz Barron — M 1,337 $0 $0 Feb 25
Anschutz Barron — F 640 $18 $11K Feb 25
Anschutz Barron — M 1,258 $0 $0 Feb 25
Anschutz Barron — F 669 $18 $12K Feb 25
Anschutz Barron — M 6,515 $0 $0 Feb 25
Anschutz Barron — F 3,179 $18 $56K Feb 25
Anschutz Barron — M 1,390 $0 $0 Feb 25
Anschutz Barron — M 1,337 $0 $0 Feb 25
Anschutz Barron — M 1,258 $0 $0 Feb 25
Anschutz Barron — M 6,515 $0 $0 Feb 25
Brown Matthew Charles Chief Financial Officer M 14,544 $0 $0 Feb 25
Brown Matthew Charles Chief Financial Officer F 5,269 $18 $92K Feb 25
Brown Matthew Charles Chief Financial Officer M 14,544 $0 $0 Feb 25
Vintz Stephen A Co-Chief Executive Officer M 1,882 $0 $0 Feb 25
Vintz Stephen A Co-Chief Executive Officer F 619 $18 $11K Feb 25
Vintz Stephen A Co-Chief Executive Officer M 1,594 $0 $0 Feb 25
Vintz Stephen A Co-Chief Executive Officer F 524 $18 $9K Feb 25
Vintz Stephen A Co-Chief Executive Officer M 2,345 $0 $0 Feb 25
Vintz Stephen A Co-Chief Executive Officer F 771 $18 $14K Feb 25
Vintz Stephen A Co-Chief Executive Officer M 5,316 $0 $0 Feb 25
Vintz Stephen A Co-Chief Executive Officer F 2,544 $18 $45K Feb 25
Vintz Stephen A Co-Chief Executive Officer M 5,095 $0 $0 Feb 25
Vintz Stephen A Co-Chief Executive Officer F 1,674 $18 $29K Feb 25
Vintz Stephen A Co-Chief Executive Officer M 46,586 $0 $0 Feb 25
Vintz Stephen A Co-Chief Executive Officer F 17,298 $18 $304K Feb 25
Vintz Stephen A Co-Chief Executive Officer M 4,518 $0 $0 Feb 25
Vintz Stephen A Co-Chief Executive Officer F 1,485 $18 $26K Feb 25
Vintz Stephen A Co-Chief Executive Officer M 1,882 $0 $0 Feb 25
Vintz Stephen A Co-Chief Executive Officer M 1,594 $0 $0 Feb 25
Vintz Stephen A Co-Chief Executive Officer M 2,345 $0 $0 Feb 25
Vintz Stephen A Co-Chief Executive Officer M 5,316 $0 $0 Feb 25
Vintz Stephen A Co-Chief Executive Officer M 5,095 $0 $0 Feb 25
Vintz Stephen A Co-Chief Executive Officer M 46,586 $0 $0 Feb 25
Vintz Stephen A Co-Chief Executive Officer M 4,518 $0 $0 Feb 25
Thurmond Mark C. Co-Chief Executive Officer M 1,365 $0 $0 Feb 25
Thurmond Mark C. Co-Chief Executive Officer F 401 $18 $7K Feb 25
Thurmond Mark C. Co-Chief Executive Officer M 1,162 $0 $0 Feb 25
Thurmond Mark C. Co-Chief Executive Officer F 342 $18 $6K Feb 25
Thurmond Mark C. Co-Chief Executive Officer M 2,267 $0 $0 Feb 25
Thurmond Mark C. Co-Chief Executive Officer F 666 $18 $12K Feb 25
Thurmond Mark C. Co-Chief Executive Officer M 3,857 $0 $0 Feb 25
Thurmond Mark C. Co-Chief Executive Officer F 1,865 $18 $33K Feb 25
Thurmond Mark C. Co-Chief Executive Officer M 3,713 $0 $0 Feb 25
Thurmond Mark C. Co-Chief Executive Officer F 1,090 $18 $19K Feb 25
Thurmond Mark C. Co-Chief Executive Officer M 46,586 $0 $0 Feb 25
Thurmond Mark C. Co-Chief Executive Officer F 15,635 $18 $274K Feb 25
Thurmond Mark C. Co-Chief Executive Officer M 4,368 $0 $0 Feb 25
Thurmond Mark C. Co-Chief Executive Officer F 1,283 $18 $23K Feb 25
Thurmond Mark C. Co-Chief Executive Officer M 1,365 $0 $0 Feb 25
Thurmond Mark C. Co-Chief Executive Officer M 1,162 $0 $0 Feb 25
Thurmond Mark C. Co-Chief Executive Officer M 2,267 $0 $0 Feb 25
Thurmond Mark C. Co-Chief Executive Officer M 3,857 $0 $0 Feb 25
Thurmond Mark C. Co-Chief Executive Officer M 3,713 $0 $0 Feb 25
Thurmond Mark C. Co-Chief Executive Officer M 46,586 $0 $0 Feb 25
Thurmond Mark C. Co-Chief Executive Officer M 4,368 $0 $0 Feb 25
▶ 2026-02-12
▲ 1 buy · $100K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Vicks Raymond Jr. — ▲ Buy 4,500 $22 $100K Feb 13
▶ 2026-02-09
▲ 1 buy · $258K
Insider Title Type Shares Price $ Value 10b5-1 Filed
COVIELLO ARTHUR W JR — ▲ Buy 12,000 $22 $258K Feb 9
▶ 2026-01-16
3 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — M 2,031 $0 $0 Jan 21
Anschutz Barron — F 1,080 $22 $24K Jan 21
Anschutz Barron — M 2,031 $0 $0 Jan 21
▶ 2025-12-15
▼ 1 sell · $2.9M 2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
SEAWELL A BROOKE — M 115,000 $10 $1.1M Dec 17
SEAWELL A BROOKE — ▼ Sell 115,000 $25 $2.9M Dec 17
SEAWELL A BROOKE — M 115,000 $0 $0 Dec 17
▶ 2025-11-24
45 other
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — M 1,390 $0 $0 Nov 25
Anschutz Barron — F 666 $26 $17K Nov 25
Anschutz Barron — M 1,337 $0 $0 Nov 25
Anschutz Barron — F 640 $26 $16K Nov 25
Anschutz Barron — M 1,258 $0 $0 Nov 25
Anschutz Barron — F 602 $26 $15K Nov 25
Anschutz Barron — M 1,390 $0 $0 Nov 25
Anschutz Barron — M 1,337 $0 $0 Nov 25
Anschutz Barron — M 1,258 $0 $0 Nov 25
Vintz Stephen A Co-Chief Executive Officer M 1,878 $0 $0 Nov 25
Vintz Stephen A Co-Chief Executive Officer F 899 $26 $23K Nov 25
Vintz Stephen A Co-Chief Executive Officer M 1,594 $0 $0 Nov 25
Vintz Stephen A Co-Chief Executive Officer F 763 $26 $20K Nov 25
Vintz Stephen A Co-Chief Executive Officer M 2,345 $0 $0 Nov 25
Vintz Stephen A Co-Chief Executive Officer F 1,123 $26 $29K Nov 25
Vintz Stephen A Co-Chief Executive Officer M 5,316 $0 $0 Nov 25
Vintz Stephen A Co-Chief Executive Officer F 2,544 $26 $65K Nov 25
Vintz Stephen A Co-Chief Executive Officer M 5,095 $0 $0 Nov 25
Vintz Stephen A Co-Chief Executive Officer F 2,438 $26 $63K Nov 25
Vintz Stephen A Co-Chief Executive Officer M 4,518 $0 $0 Nov 25
Vintz Stephen A Co-Chief Executive Officer F 2,162 $26 $56K Nov 25
Vintz Stephen A Co-Chief Executive Officer M 1,878 $0 $0 Nov 25
Vintz Stephen A Co-Chief Executive Officer M 1,594 $0 $0 Nov 25
Vintz Stephen A Co-Chief Executive Officer M 2,345 $0 $0 Nov 25
Vintz Stephen A Co-Chief Executive Officer M 5,316 $0 $0 Nov 25
Vintz Stephen A Co-Chief Executive Officer M 5,095 $0 $0 Nov 25
Vintz Stephen A Co-Chief Executive Officer M 4,518 $0 $0 Nov 25
Thurmond Mark C. Co-Chief Executive Officer M 1,363 $0 $0 Nov 25
Thurmond Mark C. Co-Chief Executive Officer F 660 $26 $17K Nov 25
Thurmond Mark C. Co-Chief Executive Officer M 1,162 $0 $0 Nov 25
Thurmond Mark C. Co-Chief Executive Officer F 562 $26 $14K Nov 25
Thurmond Mark C. Co-Chief Executive Officer M 2,267 $0 $0 Nov 25
Thurmond Mark C. Co-Chief Executive Officer F 1,097 $26 $28K Nov 25
Thurmond Mark C. Co-Chief Executive Officer M 3,857 $0 $0 Nov 25
Thurmond Mark C. Co-Chief Executive Officer F 1,865 $26 $48K Nov 25
Thurmond Mark C. Co-Chief Executive Officer M 3,713 $0 $0 Nov 25
Thurmond Mark C. Co-Chief Executive Officer F 1,796 $26 $46K Nov 25
Thurmond Mark C. Co-Chief Executive Officer M 4,368 $0 $0 Nov 25
Thurmond Mark C. Co-Chief Executive Officer F 2,112 $26 $54K Nov 25
Thurmond Mark C. Co-Chief Executive Officer M 1,363 $0 $0 Nov 25
Thurmond Mark C. Co-Chief Executive Officer M 1,162 $0 $0 Nov 25
Thurmond Mark C. Co-Chief Executive Officer M 2,267 $0 $0 Nov 25
Thurmond Mark C. Co-Chief Executive Officer M 3,857 $0 $0 Nov 25
Thurmond Mark C. Co-Chief Executive Officer M 3,713 $0 $0 Nov 25
Thurmond Mark C. Co-Chief Executive Officer M 4,368 $0 $0 Nov 25
▶ 2025-11-21
3 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Brown Matthew Charles Chief Financial Officer M 14,544 $0 $0 Nov 25
Brown Matthew Charles Chief Financial Officer F 5,278 $26 $138K Nov 25
Brown Matthew Charles Chief Financial Officer M 14,544 $0 $0 Nov 25
▶ 2025-10-16
2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — M 2,031 $0 $0 Oct 20
Anschutz Barron — M 2,031 $0 $0 Oct 20
▶ 2025-10-17
▼ 1 sell · $28K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — ▼ Sell 976 $29 $28K Oct 20
▶ 2025-09-29
2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Tosheff George Alex — M 3,288 $0 $0 Sep 30
Tosheff George Alex — M 3,288 $0 $0 Sep 30
▶ 2025-09-09
▼ 1 sell · $462K
Insider Title Type Shares Price $ Value 10b5-1 Filed
SEAWELL A BROOKE — ▼ Sell 15,000 $31 $462K Sep 11
▶ 2025-09-05
2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Vicks Raymond Jr. — G 1,500 $0 $0 Sep 9
Vicks Raymond Jr. — G 1,500 $0 $0 Sep 9
▶ 2025-09-04
▼ 1 sell · $139K
Insider Title Type Shares Price $ Value 10b5-1 Filed
SEAWELL A BROOKE — ▼ Sell 4,622 $30 $139K Sep 8
▶ 2025-08-26
▼ 3 sells · $199K
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — ▼ Sell 670 $30 $20K Aug 27
Vintz Stephen A Co-Chief Executive Officer ▼ Sell 3,464 $30 $103K Aug 27
Thurmond Mark C. Co-Chief Executive Officer ▼ Sell 2,541 $30 $76K Aug 27
▶ 2025-08-22
24 other
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — M 1,337 $0 $0 Aug 26
Anschutz Barron — M 1,258 $0 $0 Aug 26
Anschutz Barron — M 1,337 $0 $0 Aug 26
Anschutz Barron — M 1,258 $0 $0 Aug 26
Thurmond Mark C. Co-Chief Executive Officer M 1,162 $0 $0 Aug 26
Thurmond Mark C. Co-Chief Executive Officer M 2,267 $0 $0 Aug 26
Thurmond Mark C. Co-Chief Executive Officer M 3,713 $0 $0 Aug 26
Thurmond Mark C. Co-Chief Executive Officer M 46,585 $0 $0 Aug 26
Thurmond Mark C. Co-Chief Executive Officer M 4,368 $0 $0 Aug 26
Thurmond Mark C. Co-Chief Executive Officer M 1,162 $0 $0 Aug 26
Thurmond Mark C. Co-Chief Executive Officer M 2,267 $0 $0 Aug 26
Thurmond Mark C. Co-Chief Executive Officer M 3,713 $0 $0 Aug 26
Thurmond Mark C. Co-Chief Executive Officer M 46,585 $0 $0 Aug 26
Thurmond Mark C. Co-Chief Executive Officer M 4,368 $0 $0 Aug 26
Vintz Stephen A Co-Chief Executive Officer M 1,594 $0 $0 Aug 26
Vintz Stephen A Co-Chief Executive Officer M 2,345 $0 $0 Aug 26
Vintz Stephen A Co-Chief Executive Officer M 5,095 $0 $0 Aug 26
Vintz Stephen A Co-Chief Executive Officer M 46,585 $0 $0 Aug 26
Vintz Stephen A Co-Chief Executive Officer M 4,518 $0 $0 Aug 26
Vintz Stephen A Co-Chief Executive Officer M 1,594 $0 $0 Aug 26
Vintz Stephen A Co-Chief Executive Officer M 2,345 $0 $0 Aug 26
Vintz Stephen A Co-Chief Executive Officer M 5,095 $0 $0 Aug 26
Vintz Stephen A Co-Chief Executive Officer M 46,585 $0 $0 Aug 26
Vintz Stephen A Co-Chief Executive Officer M 4,518 $0 $0 Aug 26
▶ 2025-08-25
▼ 3 sells · $1.8M 10 other
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — ▼ Sell 1,261 $30 $38K Aug 26
Anschutz Barron — M 1,390 $0 $0 Aug 26
Anschutz Barron — M 1,390 $0 $0 Aug 26
Thurmond Mark C. Co-Chief Executive Officer ▼ Sell 28,500 $30 $862K Aug 26
Thurmond Mark C. Co-Chief Executive Officer M 1,363 $0 $0 Aug 26
Thurmond Mark C. Co-Chief Executive Officer M 3,857 $0 $0 Aug 26
Thurmond Mark C. Co-Chief Executive Officer M 1,363 $0 $0 Aug 26
Thurmond Mark C. Co-Chief Executive Officer M 3,857 $0 $0 Aug 26
Vintz Stephen A Co-Chief Executive Officer ▼ Sell 29,196 $30 $883K Aug 26
Vintz Stephen A Co-Chief Executive Officer M 1,878 $0 $0 Aug 26
Vintz Stephen A Co-Chief Executive Officer M 5,316 $0 $0 Aug 26
Vintz Stephen A Co-Chief Executive Officer M 1,878 $0 $0 Aug 26
Vintz Stephen A Co-Chief Executive Officer M 5,316 $0 $0 Aug 26
▶ 2025-08-21
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Brown Matthew Charles Chief Financial Officer A 232,712 $0 $0 Aug 25
▶ 2025-07-16
2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — M 2,031 $0 $0 Jul 18
Anschutz Barron — M 2,031 $0 $0 Jul 18
▶ 2025-07-17
▼ 1 sell · $32K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — ▼ Sell 970 $33 $32K Jul 18
▶ 2025-06-13
2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
KEANE MARGARET M — M 3,187 $0 $0 Jun 17
KEANE MARGARET M — M 3,187 $0 $0 Jun 17
▶ 2025-05-27
▼ 3 sells · $212K
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — ▼ Sell 655 $32 $21K May 29
Vintz Stephen A Co-Chief Executive Officer ▼ Sell 3,386 $32 $110K May 29
Thurmond Mark C. Co-Chief Executive Officer ▼ Sell 2,483 $32 $81K May 29
▶ 2025-05-22
20 other
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — M 1,337 $0 $0 May 27
Anschutz Barron — M 1,258 $0 $0 May 27
Anschutz Barron — M 1,337 $0 $0 May 27
Anschutz Barron — M 1,258 $0 $0 May 27
Vintz Stephen A Co-Chief Executive Officer M 1,594 $0 $0 May 27
Vintz Stephen A Co-Chief Executive Officer M 2,345 $0 $0 May 27
Vintz Stephen A Co-Chief Executive Officer M 5,095 $0 $0 May 27
Vintz Stephen A Co-Chief Executive Officer M 4,518 $0 $0 May 27
Vintz Stephen A Co-Chief Executive Officer M 1,594 $0 $0 May 27
Vintz Stephen A Co-Chief Executive Officer M 2,345 $0 $0 May 27
Vintz Stephen A Co-Chief Executive Officer M 5,095 $0 $0 May 27
Vintz Stephen A Co-Chief Executive Officer M 4,518 $0 $0 May 27
Thurmond Mark C. Co-Chief Executive Officer M 1,162 $0 $0 May 27
Thurmond Mark C. Co-Chief Executive Officer M 2,267 $0 $0 May 27
Thurmond Mark C. Co-Chief Executive Officer M 3,713 $0 $0 May 27
Thurmond Mark C. Co-Chief Executive Officer M 4,368 $0 $0 May 27
Thurmond Mark C. Co-Chief Executive Officer M 1,162 $0 $0 May 27
Thurmond Mark C. Co-Chief Executive Officer M 2,267 $0 $0 May 27
Thurmond Mark C. Co-Chief Executive Officer M 3,713 $0 $0 May 27
Thurmond Mark C. Co-Chief Executive Officer M 4,368 $0 $0 May 27
▶ 2025-05-23
▼ 3 sells · $426K 10 other
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — M 1,390 $0 $0 May 27
Anschutz Barron — ▼ Sell 1,245 $32 $40K May 27
Anschutz Barron — M 1,390 $0 $0 May 27
Vintz Stephen A Co-Chief Executive Officer M 1,878 $0 $0 May 27
Vintz Stephen A Co-Chief Executive Officer M 5,316 $0 $0 May 27
Vintz Stephen A Co-Chief Executive Officer ▼ Sell 6,499 $32 $208K May 27
Vintz Stephen A Co-Chief Executive Officer M 1,878 $0 $0 May 27
Vintz Stephen A Co-Chief Executive Officer M 5,316 $0 $0 May 27
Thurmond Mark C. Co-Chief Executive Officer M 1,363 $0 $0 May 27
Thurmond Mark C. Co-Chief Executive Officer M 3,857 $0 $0 May 27
Thurmond Mark C. Co-Chief Executive Officer ▼ Sell 5,577 $32 $178K May 27
Thurmond Mark C. Co-Chief Executive Officer M 1,363 $0 $0 May 27
Thurmond Mark C. Co-Chief Executive Officer M 3,857 $0 $0 May 27
▶ 2025-05-14
24 other
⚡ 8 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
COVIELLO ARTHUR W JR — M 4,607 $0 $0 May 15
COVIELLO ARTHUR W JR — M 4,607 $0 $0 May 15
COVIELLO ARTHUR W JR — A 6,062 $0 $0 May 15
Howe Niloofar Razi — M 4,607 $0 $0 May 15
Howe Niloofar Razi — M 4,607 $0 $0 May 15
Howe Niloofar Razi — A 6,062 $0 $0 May 15
Huffard John C Jr — M 4,607 $0 $0 May 15
Huffard John C Jr — M 4,607 $0 $0 May 15
Huffard John C Jr — A 6,062 $0 $0 May 15
KEANE MARGARET M — M 4,607 $0 $0 May 15
KEANE MARGARET M — M 4,607 $0 $0 May 15
KEANE MARGARET M — A 6,062 $0 $0 May 15
SEAWELL A BROOKE — M 4,607 $0 $0 May 15
SEAWELL A BROOKE — M 4,607 $0 $0 May 15
SEAWELL A BROOKE — A 6,062 $0 $0 May 15
Zecher Linda Kay — M 4,607 $0 $0 May 15
Zecher Linda Kay — M 4,607 $0 $0 May 15
Zecher Linda Kay — A 6,062 $0 $0 May 15
Vicks Raymond Jr. — M 4,607 $0 $0 May 15
Vicks Raymond Jr. — M 4,607 $0 $0 May 15
Vicks Raymond Jr. — A 6,062 $0 $0 May 15
Tosheff George Alex — M 4,607 $0 $0 May 15
Tosheff George Alex — M 4,607 $0 $0 May 15
Tosheff George Alex — A 6,062 $0 $0 May 15
▶ 2025-05-02
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Anschutz Barron — A 8,124 $0 $0 May 6