Kevin Christopher Siebert

CIK 1634069 · View on SEC EDGAR ↗

Insider

First SEC filing: March 10, 2015 · Latest: March 10, 2015

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Insider at

Insider transactions

0 buys (P) 7 sells (S) Net: $-1,950,312 + 84 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

84 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 4, 2026 VIAV S 8,255 $54.02 $445,935 20,129 Direct -29.08% Disposed -26.7% (price as of 2026-08-19)
March 2, 2026 VIAV S 7,264 $34.78 $252,642 28,384 Direct -20.38% Disposed 13.8% (price as of 2026-08-19)
Feb. 2, 2026 VIAV S 13,577 $25.72 $349,200 35,648 Direct -27.58% Disposed 53.9% (price as of 2026-08-19)
Dec. 8, 2025 VIAV S 10b5-1 24,225 $18.26 $442,348 49,225 Direct -32.98% Disposed 116.8% (price as of 2026-08-19)
Nov. 3, 2025 VIAV S 11,148 $17.29 $192,749 73,450 Direct -13.18% Disposed 128.9% (price as of 2026-08-19)
Sept. 25, 2025 VIAV S 10b5-1 9,927 $12.17 $120,812 84,598 Direct -10.50% Disposed 225.3% (price as of 2026-08-19)
Aug. 29, 2025 VIAV S 10b5-1 13,115 $11.18 $146,626 71,159 Direct -15.56% Disposed 254.1% (price as of 2026-08-19)
March 3, 2025 VIAV S 10b5-1 13,499 $11.24 $151,729 60,373 Direct -18.27% Disposed 252.2% (price as of 2026-08-19)
Sept. 26, 2024 VIAV S 10b5-1 2,671 $8.86 $23,665 60,373 Direct -4.24% Disposed 346.8% (price as of 2026-08-19)
Aug. 29, 2024 VIAV S 10b5-1 8,432 $8.63 $72,768 56,617 Direct -12.96% Disposed 358.7% (price as of 2026-08-19)
March 11, 2024 VIAV S 13,967 $10.70 $149,447 47,097 Direct -22.87% Disposed 270.0% (price as of 2026-08-19)
Sept. 28, 2023 VIAV S 10b5-1 13,179 $9.08 $119,665 61,064 Direct -17.75% Disposed 336.0% (price as of 2026-08-19)
Aug. 30, 2023 VIAV S 10b5-1 12,994 $10.50 $136,437 57,769 Direct -18.36% Disposed 277.0% (price as of 2026-08-19)
Sept. 23, 2022 VIAV S 10b5-1 17,777 $13.03 $231,634 54,521 Direct -24.59% Disposed 203.8% (price as of 2026-08-19)
Aug. 31, 2022 VIAV S 10b5-1 9,601 $14.19 $136,238 50,078 Direct -16.09% Disposed 179.0% (price as of 2026-08-19)
June 1, 2022 VIAV S 10b5-1 1,170 $14.58 $17,059 40,765 Direct -2.79% Disposed 171.5% (price as of 2026-08-19)

Showing latest 100 of 347 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Sept. 23, 2025 VIAV Market Stock Units Common Stock (19,752) $0.00 — 19,752 Disposed
Sept. 23, 2025 VIAV Market Stock Units Common Stock (9,580) $0.00 — 9,580 Disposed
Sept. 23, 2025 VIAV Market Stock Units Common Stock (4,623) $0.00 — 4,623 Disposed
Aug. 28, 2025 VIAV Market Stock Units Common Stock (34,516) $0.00 — 34,516 Acquired
Aug. 28, 2025 VIAV Restricted Stock Unit Common Stock (34,516) $0.00 — 34,516 Acquired
Aug. 28, 2025 VIAV Restricted Stock Unit Common Stock (15,432) $0.00 — 15,432 Disposed
Aug. 28, 2025 VIAV Restricted Stock Unit Common Stock (10,606) $0.00 — 10,606 Disposed
Aug. 28, 2025 VIAV Restricted Stock Unit Common Stock (8,158) $0.00 — 8,158 Disposed
Feb. 28, 2025 VIAV Restricted Stock Units Common Stock (20,000) $0.00 — 20,000 Disposed
Sept. 24, 2024 VIAV Market Stock Units Common Stock (4,419) $0.00 — 4,419 Disposed
Sept. 24, 2024 VIAV Market Stock Units Common Stock (1,250) $0.00 — 1,250 Disposed
Sept. 24, 2024 VIAV Market Stock Units Common Stock (3,529) $0.00 — 3,529 Disposed
Aug. 28, 2024 VIAV Restricted Stock Unit Common Stock (46,296) $0.00 — 46,296 Acquired
Aug. 28, 2024 VIAV Market Stock Units Common Stock (46,296) $0.00 — 46,296 Acquired
Aug. 28, 2024 VIAV Restricted Stock Unit Common Stock (10,606) $0.00 — 10,606 Disposed
Aug. 28, 2024 VIAV Restricted Stock Unit Common Stock (8,158) $0.00 — 8,158 Disposed
Aug. 28, 2024 VIAV Restricted Stock Units Common Stock (6,920) $0.00 — 6,920 Disposed
Sept. 26, 2023 VIAV Market Stock Units Common Stock (4,676) $0.00 — 4,676 Disposed
Sept. 26, 2023 VIAV Market Stock Units Common Stock (8,269) $0.00 — 8,269 Disposed
Sept. 26, 2023 VIAV Market Stock Units Common Stock (10,625) $0.00 — 10,625 Disposed
Aug. 28, 2023 VIAV Restricted Stock Unit Common Stock (8,159) $0.00 — 8,159 Disposed
Aug. 28, 2023 VIAV Restricted Stock Units Common Stock (6,920) $0.00 — 6,920 Disposed
Aug. 28, 2023 VIAV Restricted Stock Units Common Stock (8,158) $0.00 — 8,158 Disposed
Aug. 28, 2023 VIAV Market Stock Units Common Stock (31,818) $0.00 — 31,818 Acquired
Aug. 28, 2023 VIAV Restricted Stock Unit Common Stock (31,818) $0.00 — 31,818 Acquired
Sept. 22, 2022 VIAV Market Stock Units Common Stock (10,103) $0.00 — 10,103 Disposed
Sept. 22, 2022 VIAV Market Stock Units Common Stock (11,829) $0.00 — 11,829 Disposed
Sept. 22, 2022 VIAV Market Stock Units Common Stock (9,022) $0.00 — 9,022 Disposed
Aug. 28, 2022 VIAV Market Stock Units Common Stock (24,475) $0.00 — 24,475 Acquired
Aug. 28, 2022 VIAV Restricted Stock Unit Common Stock (24,475) $0.00 — 24,475 Acquired
Aug. 28, 2022 VIAV Restricted Stock Units Common Stock (6,919) $0.00 — 6,919 Disposed
Aug. 28, 2022 VIAV Restricted Stock Units Common Stock (8,158) $0.00 — 8,158 Disposed
Aug. 28, 2022 VIAV Restricted Stock Units Common Stock (2,094) $0.00 — 2,094 Disposed
May 28, 2022 VIAV Restricted Stock Units Common Stock (2,094) $0.00 — 2,094 Acquired
Feb. 28, 2022 VIAV Restricted Stock Units Common Stock (2,094) $0.00 — 2,094 Disposed
Nov. 28, 2021 VIAV Restricted Stock Units Common Stock (2,093) $0.00 — 2,093 Disposed
Sept. 23, 2021 VIAV Market Stock Units Common Stock (6,797) $0.00 — 6,797 Disposed
Sept. 23, 2021 VIAV Market Stock Units Common Stock (3,083) $0.00 — 3,083 Disposed
Sept. 23, 2021 VIAV Market Stock Units Common Stock (10,855) $0.00 — 10,855 Disposed
Aug. 28, 2021 VIAV Market Stock Units Common Stock (20,759) $0.00 — 20,759 Acquired
Aug. 28, 2021 VIAV Restricted Stock Units Common Stock (20,759) $0.00 — 20,759 Acquired
Aug. 28, 2021 VIAV Restricted Stock Units Common Stock (8,157) $0.00 — 8,157 Disposed
Aug. 28, 2021 VIAV Restricted Stock Units Common Stock (2,094) $0.00 — 2,094 Disposed
Aug. 28, 2021 VIAV Restricted Stock Unit Common Stock (2,094) $0.00 — 2,094 Disposed
May 28, 2021 VIAV Restricted Stock Units Common Stock (2,094) $0.00 — 2,094 Disposed
May 28, 2021 VIAV Restricted Stock Unit Common Stock (2,094) $0.00 — 2,094 Disposed
Feb. 28, 2021 VIAV Performance Stock Units Common Stock (20,000) $0.00 — 20,000 Acquired
Feb. 28, 2021 VIAV Restricted Stock Units Common Stock (20,000) $0.00 — 20,000 Acquired
Feb. 28, 2021 VIAV Restricted Stock Unit Common Stock (2,094) $0.00 — 2,094 Disposed
Feb. 28, 2021 VIAV Restricted Stock Units Common Stock (2,094) $0.00 — 2,094 Disposed
Nov. 28, 2020 VIAV Restricted Stock Unit Common Stock (2,093) $0.00 — 2,093 Disposed
Nov. 28, 2020 VIAV Restricted Stock Units Common Stock (2,093) $0.00 — 2,093 Disposed
Sept. 25, 2020 VIAV Market Stock Units Common Stock (5,777) $0.00 — 5,777 Disposed
Sept. 25, 2020 VIAV Market Stock Units Common Stock (12,500) $0.00 — 12,500 Disposed
Sept. 25, 2020 VIAV Market Stock Units Common Stock (9,112) $0.00 — 9,112 Disposed
Aug. 28, 2020 VIAV Market Stock Units Common Stock (24,473) $0.00 — 24,473 Acquired
Aug. 28, 2020 VIAV Restricted Stock Units Common Stock (24,473) $0.00 — 24,473 Acquired
Aug. 28, 2020 VIAV Restricted Stock Unit Common Stock (8,250) $0.00 — 8,250 Disposed
Aug. 28, 2020 VIAV Restricted Stock Units Common Stock (2,094) $0.00 — 2,094 Disposed
Aug. 28, 2020 VIAV Restricted Stock Units Common Stock (1,843) $0.00 — 1,843 Disposed
May 28, 2020 VIAV Restricted Stock Units Common Stock (2,094) $0.00 — 2,094 Disposed
May 28, 2020 VIAV Restricted Stock Units Common Stock (1,842) $0.00 — 1,842 Disposed
Feb. 28, 2020 VIAV Restricted Stock Units Common Stock (2,094) $0.00 — 2,094 Disposed
Feb. 28, 2020 VIAV Restricted Stock Units Common Stock (1,843) $0.00 — 1,843 Disposed
Nov. 28, 2019 VIAV Restricted Stock Units Common Stock (2,093) $0.00 — 2,093 Disposed
Nov. 28, 2019 VIAV Restricted Stock Units Common Stock (1,842) $0.00 — 1,842 Disposed
Sept. 26, 2019 VIAV Market Stock Units Common Stock (12,500) $0.00 — 12,500 Disposed
Sept. 26, 2019 VIAV Market Stock Units Common Stock (10,450) $0.00 — 10,450 Disposed
Sept. 26, 2019 VIAV Market Stock Units Common Stock (10,001) $0.00 — 10,001 Disposed
Aug. 28, 2019 VIAV Market Stock Units Common Stock (25,000) $0.00 — 25,000 Acquired
Aug. 28, 2019 VIAV Restricted Stock Units Common Stock (25,000) $0.00 — 25,000 Acquired
Aug. 28, 2019 VIAV Restricted Stock Units Common Stock (8,250) $0.00 — 8,250 Disposed
Aug. 28, 2019 VIAV Restricted Stock Units Common Stock (1,843) $0.00 — 1,843 Disposed
Aug. 17, 2019 VIAV Restricted Stock Unit Common Stock (1,675) $0.00 — 1,675 Acquired
May 20, 2018 VIAV Common Stock Common Stock (2,177) $0.00 — 2,177 Disposed
May 17, 2018 VIAV Common Stock Common Stock (1,675) $0.00 — 1,675 Disposed
Feb. 20, 2018 VIAV Restricted Stock Unit Common Stock (1,675) $0.00 — 1,675 Disposed
Feb. 20, 2018 VIAV Restricted Stock Unit Common Stock (2,178) $0.00 — 2,178 Disposed
Feb. 15, 2018 VIAV Restricted Stock Unit Common Stock (11,935) $0.00 — 11,935 Disposed
Nov. 20, 2017 VIAV Restricted Stock Unit Common Stock (2,177) $0.00 — 2,177 Disposed
Nov. 17, 2017 VIAV Restricted Stock Unit Common Stock (1,675) $0.00 — 1,675 Disposed
Sept. 28, 2017 VIAV Restricted Stock Unit Common Stock (9,999) $0.00 — 9,999 Disposed
Sept. 28, 2017 VIAV Restricted Stock Unit Common Stock (13,000) $0.00 — 13,000 Disposed
Aug. 28, 2017 VIAV Restricted Stock Unit Common Stock (22,000) $0.00 — 22,000 Acquired
Aug. 28, 2017 VIAV Restricted Stock Unit Common Stock (22,000) $0.00 — 22,000 Acquired
Aug. 20, 2017 VIAV Restricted Stock Unit Common Stock (1,102) $0.00 — 1,102 Disposed
Aug. 20, 2017 VIAV Restricted Stock Unit Common Stock (2,178) $0.00 — 2,178 Disposed
Aug. 17, 2017 VIAV Restricted Stock Unit Common Stock (6,600) $0.00 — 6,600 Disposed
May 22, 2017 VIAV Restricted Stock Unit Common Stock (1,102) $0.00 — 1,102 Disposed
May 22, 2017 VIAV Restricted Stock Unit Common Stock (2,177) $0.00 — 2,177 Disposed
Feb. 21, 2017 VIAV Restricted Stock Unit Common Stock (1,100) $0.00 — 1,100 Disposed
Feb. 21, 2017 VIAV Restricted Stock Unit Common Stock (2,178) $0.00 — 2,178 Disposed
Feb. 15, 2017 VIAV Common Stock Common Stock (11,935) $0.00 — 11,935 Disposed
Feb. 15, 2017 VIAV Restricted Stock Unit Common Stock (4,475) $0.00 — 4,475 Disposed
Nov. 21, 2016 VIAV Common Stock Common Stock (1,102) $0.00 — 1,102 Disposed
Nov. 21, 2016 VIAV Restricted Stock Unit Common Stock (2,177) $0.00 — 2,177 Disposed
Sept. 29, 2016 VIAV Restricted Stock Unit Common Stock (12,999) $0.00 — 12,999 Disposed
Aug. 20, 2016 VIAV Restricted Stock Unit Common Stock (8,580) $0.00 — 8,580 Disposed
Aug. 20, 2016 VIAV Restricted Stock Unit Common Stock (1,100) $0.00 — 1,100 Disposed
Aug. 20, 2016 VIAV Restricted Stock Unit Common Stock (691) $0.00 — 691 Disposed

Showing latest 100 of 117 transactions

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 6 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
March 10, 2015 VIAV Common Stock 4,468 Direct
March 10, 2015 VIAV Restricted Stock Unit→ Common Stock (838) 838 Direct
March 10, 2015 VIAV Restricted Stock Unit→ Common Stock (2,312) 2,312 Direct
March 10, 2015 VIAV Restricted Stock Unit→ Common Stock (5,000) 5,000 Direct
March 10, 2015 VIAV Restricted Stock Unit→ Common Stock (7,350) 7,350 Direct
March 10, 2015 VIAV Restricted Stock Unit→ Common Stock (20,000) 20,000 Direct