Valerie Barnett
CIK 1873091 · View on SEC EDGAR ↗
Insider
First SEC filing: July 22, 2021 · Latest: July 22, 2021
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 100 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 18, 2025 | CTKB | M | 2,016 | — | — | 85,689 Direct | +2.41% | Acquired | (price as of 2026-08-21) |
| Aug. 18, 2025 | CTKB | F | 786 | $4.06 | $3,191 | 84,903 Direct | -0.92% | Disposed | 13.3% (price as of 2026-08-21) |
| Aug. 18, 2025 | CTKB | M | 3,681 | — | — | 88,584 Direct | +4.34% | Acquired | (price as of 2026-08-21) |
| Aug. 18, 2025 | CTKB | F | 1,434 | $4.06 | $5,822 | 87,150 Direct | -1.62% | Disposed | 13.3% (price as of 2026-08-21) |
| Aug. 18, 2025 | CTKB | M | 7,735 | — | — | 94,885 Direct | +8.88% | Acquired | (price as of 2026-08-21) |
| Aug. 18, 2025 | CTKB | F | 3,000 | $4.06 | $12,180 | 91,885 Direct | -3.16% | Disposed | 13.3% (price as of 2026-08-21) |
| Aug. 18, 2025 | CTKB | M | 10,875 | — | — | 102,760 Direct | +11.84% | Acquired | (price as of 2026-08-21) |
| Aug. 18, 2025 | CTKB | F | 3,609 | $4.06 | $14,653 | 99,151 Direct | -3.51% | Disposed | 13.3% (price as of 2026-08-21) |
| Aug. 18, 2025 | CTKB | M | 2,016 | — | — | 3,362 Direct | -37.49% | Disposed | (price as of 2026-08-21) |
| Aug. 18, 2025 | CTKB | M | 3,681 | — | — | 23,323 Direct | -13.63% | Disposed | (price as of 2026-08-21) |
| Aug. 18, 2025 | CTKB | M | 7,735 | — | — | 79,932 Direct | -8.82% | Disposed | (price as of 2026-08-21) |
| Aug. 18, 2025 | CTKB | M | 10,875 | — | — | 155,888 Direct | -6.52% | Disposed | (price as of 2026-08-21) |
| May 19, 2025 | CTKB | M | 2,016 | — | — | 75,388 Direct | +2.75% | Acquired | (price as of 2026-08-21) |
| May 19, 2025 | CTKB | F | 786 | $2.69 | $2,114 | 74,602 Direct | -1.04% | Disposed | 71.0% (price as of 2026-08-21) |
| May 19, 2025 | CTKB | M | 2,454 | — | — | 77,056 Direct | +3.29% | Acquired | (price as of 2026-08-21) |
| May 19, 2025 | CTKB | F | 956 | $2.69 | $2,572 | 76,100 Direct | -1.24% | Disposed | 71.0% (price as of 2026-08-21) |
| May 19, 2025 | CTKB | M | 5,156 | — | — | 81,256 Direct | +6.78% | Acquired | (price as of 2026-08-21) |
| May 19, 2025 | CTKB | F | 2,009 | $2.69 | $5,404 | 79,247 Direct | -2.47% | Disposed | 71.0% (price as of 2026-08-21) |
| May 19, 2025 | CTKB | M | 7,250 | — | — | 86,497 Direct | +9.15% | Acquired | (price as of 2026-08-21) |
| May 19, 2025 | CTKB | F | 2,824 | $2.69 | $7,597 | 83,673 Direct | -3.26% | Disposed | 71.0% (price as of 2026-08-21) |
| May 19, 2025 | CTKB | M | 2,016 | — | — | 5,378 Direct | -27.27% | Disposed | (price as of 2026-08-21) |
| May 19, 2025 | CTKB | M | 2,454 | — | — | 27,004 Direct | -8.33% | Disposed | (price as of 2026-08-21) |
| May 19, 2025 | CTKB | M | 5,156 | — | — | 87,667 Direct | -5.55% | Disposed | (price as of 2026-08-21) |
| May 19, 2025 | CTKB | M | 7,250 | — | — | 166,763 Direct | -4.17% | Disposed | (price as of 2026-08-21) |
| March 10, 2025 | CTKB | M | 4,908 | — | — | 68,988 Direct | +7.66% | Acquired | (price as of 2026-08-21) |
| March 10, 2025 | CTKB | F | 1,912 | $4.36 | $8,336 | 67,076 Direct | -2.77% | Disposed | 5.5% (price as of 2026-08-21) |
| March 10, 2025 | CTKB | M | 10,313 | — | — | 77,389 Direct | +15.38% | Acquired | (price as of 2026-08-21) |
| March 10, 2025 | CTKB | F | 4,017 | $4.36 | $17,514 | 73,372 Direct | -5.19% | Disposed | 5.5% (price as of 2026-08-21) |
| March 10, 2025 | CTKB | M | 4,908 | — | — | 29,458 Direct | -14.28% | Disposed | (price as of 2026-08-21) |
| March 10, 2025 | CTKB | M | 10,313 | — | — | 92,823 Direct | -10.00% | Disposed | (price as of 2026-08-21) |
| March 4, 2025 | CTKB | A | 275,735 | — | — | 275,735 Direct | — | Acquired | (price as of 2026-08-21) |
| March 4, 2025 | CTKB | A | 174,013 | — | — | 174,013 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 18, 2025 | CTKB | M | 2,016 | — | — | 64,866 Direct | +3.21% | Acquired | (price as of 2026-08-21) |
| Feb. 18, 2025 | CTKB | F | 786 | $5.31 | $4,174 | 64,080 Direct | -1.21% | Disposed | -13.4% (price as of 2026-08-21) |
| Feb. 18, 2025 | CTKB | M | 2,016 | — | — | 7,394 Direct | -21.42% | Disposed | (price as of 2026-08-21) |
| Nov. 18, 2024 | CTKB | M | 2,016 | — | — | 55,933 Direct | +3.74% | Acquired | (price as of 2026-08-21) |
| Nov. 18, 2024 | CTKB | F | 661 | $6.03 | $3,986 | 55,272 Direct | -1.18% | Disposed | -23.7% (price as of 2026-08-21) |
| Nov. 18, 2024 | CTKB | M | 3,681 | — | — | 58,953 Direct | +6.66% | Acquired | (price as of 2026-08-21) |
| Nov. 18, 2024 | CTKB | F | 1,235 | $6.03 | $7,447 | 57,718 Direct | -2.09% | Disposed | -23.7% (price as of 2026-08-21) |
| Nov. 18, 2024 | CTKB | M | 7,735 | — | — | 65,453 Direct | +13.40% | Acquired | (price as of 2026-08-21) |
| Nov. 18, 2024 | CTKB | F | 2,603 | $6.03 | $15,696 | 62,850 Direct | -3.98% | Disposed | -23.7% (price as of 2026-08-21) |
| Nov. 18, 2024 | CTKB | M | 2,016 | — | — | 9,410 Direct | -17.64% | Disposed | (price as of 2026-08-21) |
| Nov. 18, 2024 | CTKB | M | 3,681 | — | — | 34,366 Direct | -9.67% | Disposed | (price as of 2026-08-21) |
| Nov. 18, 2024 | CTKB | M | 7,735 | — | — | 103,136 Direct | -6.98% | Disposed | (price as of 2026-08-21) |
| Aug. 19, 2024 | CTKB | M | 2,016 | — | — | 47,547 Direct | +4.43% | Acquired | (price as of 2026-08-21) |
| Aug. 19, 2024 | CTKB | F | 786 | $5.53 | $4,347 | 46,761 Direct | -1.65% | Disposed | -16.8% (price as of 2026-08-21) |
| Aug. 19, 2024 | CTKB | M | 3,681 | — | — | 50,442 Direct | +7.87% | Acquired | (price as of 2026-08-21) |
| Aug. 19, 2024 | CTKB | F | 1,434 | $5.53 | $7,930 | 49,008 Direct | -2.84% | Disposed | -16.8% (price as of 2026-08-21) |
| Aug. 19, 2024 | CTKB | M | 7,735 | — | — | 56,743 Direct | +15.78% | Acquired | (price as of 2026-08-21) |
| Aug. 19, 2024 | CTKB | F | 2,826 | $5.53 | $15,628 | 53,917 Direct | -4.98% | Disposed | -16.8% (price as of 2026-08-21) |
| Aug. 19, 2024 | CTKB | M | 2,016 | — | — | 11,426 Direct | -15.00% | Disposed | (price as of 2026-08-21) |
| Aug. 19, 2024 | CTKB | M | 3,681 | — | — | 38,047 Direct | -8.82% | Disposed | (price as of 2026-08-21) |
| Aug. 19, 2024 | CTKB | M | 7,735 | — | — | 110,871 Direct | -6.52% | Disposed | (price as of 2026-08-21) |
| May 20, 2024 | CTKB | M | 2,016 | — | — | 38,185 Direct | +5.57% | Acquired | (price as of 2026-08-21) |
| May 20, 2024 | CTKB | F | 786 | $5.96 | $4,685 | 37,399 Direct | -2.06% | Disposed | -22.8% (price as of 2026-08-21) |
| May 20, 2024 | CTKB | M | 2,454 | — | — | 39,853 Direct | +6.56% | Acquired | (price as of 2026-08-21) |
| May 20, 2024 | CTKB | F | 956 | $5.96 | $5,698 | 38,897 Direct | -2.40% | Disposed | -22.8% (price as of 2026-08-21) |
| May 20, 2024 | CTKB | M | 5,156 | — | — | 44,053 Direct | +13.26% | Acquired | (price as of 2026-08-21) |
| May 20, 2024 | CTKB | F | 2,009 | $5.96 | $11,974 | 42,044 Direct | -4.56% | Disposed | -22.8% (price as of 2026-08-21) |
| May 20, 2024 | CTKB | M | 2,016 | — | — | 13,442 Direct | -13.04% | Disposed | (price as of 2026-08-21) |
| May 20, 2024 | CTKB | M | 2,454 | — | — | 41,728 Direct | -5.55% | Disposed | (price as of 2026-08-21) |
| May 20, 2024 | CTKB | M | 5,156 | — | — | 118,606 Direct | -4.17% | Disposed | (price as of 2026-08-21) |
| March 11, 2024 | CTKB | M | 4,908 | — | — | 38,081 Direct | +14.80% | Acquired | (price as of 2026-08-21) |
| March 11, 2024 | CTKB | F | 1,912 | $7.22 | $13,805 | 36,169 Direct | -5.02% | Disposed | -36.3% (price as of 2026-08-21) |
| March 11, 2024 | CTKB | M | 4,908 | — | — | 44,182 Direct | -10.00% | Disposed | (price as of 2026-08-21) |
| March 6, 2024 | CTKB | A | 184,210 | — | — | 184,210 Direct | — | Acquired | (price as of 2026-08-21) |
| March 6, 2024 | CTKB | A | 123,762 | — | — | 123,762 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 20, 2024 | CTKB | M | 2,016 | — | — | 33,959 Direct | +6.31% | Acquired | (price as of 2026-08-21) |
| Feb. 20, 2024 | CTKB | F | 786 | $8.38 | $6,587 | 33,173 Direct | -2.31% | Disposed | -45.1% (price as of 2026-08-21) |
| Feb. 20, 2024 | CTKB | M | 2,016 | — | — | 15,458 Direct | -11.54% | Disposed | (price as of 2026-08-21) |
| Nov. 18, 2023 | CTKB | M | 3,681 | — | — | 49,090 Direct | -6.98% | Disposed | (price as of 2026-08-21) |
| Nov. 18, 2023 | CTKB | M | 2,016 | — | — | 17,474 Direct | -10.34% | Disposed | (price as of 2026-08-21) |
| Nov. 18, 2023 | CTKB | F | 1,434 | $5.98 | $8,575 | 31,943 Direct | -4.30% | Disposed | -23.1% (price as of 2026-08-21) |
| Nov. 18, 2023 | CTKB | M | 3,681 | — | — | 33,377 Direct | +12.40% | Acquired | (price as of 2026-08-21) |
| Nov. 18, 2023 | CTKB | F | 786 | $5.98 | $4,700 | 29,696 Direct | -2.58% | Disposed | -23.1% (price as of 2026-08-21) |
| Nov. 18, 2023 | CTKB | M | 2,016 | — | — | 30,482 Direct | +7.08% | Acquired | (price as of 2026-08-21) |
| Aug. 18, 2023 | CTKB | M | 3,681 | — | — | 52,771 Direct | -6.52% | Disposed | (price as of 2026-08-21) |
| Aug. 18, 2023 | CTKB | M | 2,016 | — | — | 19,490 Direct | -9.37% | Disposed | (price as of 2026-08-21) |
| Aug. 18, 2023 | CTKB | F | 1,434 | $8.46 | $12,132 | 28,466 Direct | -4.80% | Disposed | -45.6% (price as of 2026-08-21) |
| Aug. 18, 2023 | CTKB | M | 3,681 | — | — | 29,900 Direct | +14.04% | Acquired | (price as of 2026-08-21) |
| Aug. 18, 2023 | CTKB | F | 786 | $8.46 | $6,650 | 26,219 Direct | -2.91% | Disposed | -45.6% (price as of 2026-08-21) |
| Aug. 18, 2023 | CTKB | M | 2,016 | — | — | 27,005 Direct | +8.07% | Acquired | (price as of 2026-08-21) |
| May 18, 2023 | CTKB | M | 2,454 | — | — | 56,452 Direct | -4.17% | Disposed | (price as of 2026-08-21) |
| May 18, 2023 | CTKB | M | 2,016 | — | — | 21,506 Direct | -8.57% | Disposed | (price as of 2026-08-21) |
| May 18, 2023 | CTKB | F | 956 | $6.69 | $6,396 | 23,070 Direct | -3.98% | Disposed | -31.2% (price as of 2026-08-21) |
| May 18, 2023 | CTKB | M | 2,454 | — | — | 24,026 Direct | +11.38% | Acquired | (price as of 2026-08-21) |
| May 18, 2023 | CTKB | F | 786 | $6.69 | $5,258 | 21,572 Direct | -3.52% | Disposed | -31.2% (price as of 2026-08-21) |
| May 18, 2023 | CTKB | M | 2,016 | — | — | 22,358 Direct | +9.91% | Acquired | (price as of 2026-08-21) |
| March 3, 2023 | CTKB | A | 58,906 | — | — | 58,906 Direct | — | Acquired | (price as of 2026-08-21) |
| March 3, 2023 | CTKB | A | 89,031 | — | — | 89,031 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 21, 2023 | CTKB | M | 2,016 | — | — | 23,522 Direct | -7.89% | Disposed | (price as of 2026-08-21) |
| Feb. 21, 2023 | CTKB | F | 786 | $10.97 | $8,622 | 20,342 Direct | -3.72% | Disposed | -58.1% (price as of 2026-08-21) |
| Feb. 21, 2023 | CTKB | M | 2,016 | — | — | 21,128 Direct | +10.55% | Acquired | (price as of 2026-08-21) |
| Nov. 18, 2022 | CTKB | M | 2,016 | — | — | 25,538 Direct | -7.32% | Disposed | (price as of 2026-08-21) |
| Nov. 18, 2022 | CTKB | F | 786 | $14.75 | $11,594 | 19,111 Direct | -3.95% | Disposed | -68.8% (price as of 2026-08-21) |
| Nov. 18, 2022 | CTKB | M | 2,016 | — | — | 19,897 Direct | +11.27% | Acquired | (price as of 2026-08-21) |
| Aug. 18, 2022 | CTKB | M | 2,016 | — | — | 27,554 Direct | -6.82% | Disposed | (price as of 2026-08-21) |
| Aug. 18, 2022 | CTKB | F | 786 | $14.06 | $11,051 | 17,881 Direct | -4.21% | Disposed | -67.3% (price as of 2026-08-21) |
| Aug. 18, 2022 | CTKB | M | 2,016 | — | — | 18,667 Direct | +12.11% | Acquired | (price as of 2026-08-21) |
| May 18, 2022 | CTKB | M | 2,688 | — | — | 29,570 Direct | -8.33% | Disposed | (price as of 2026-08-21) |
Showing latest 100 of 108 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 |
|---|---|---|---|---|---|---|---|
| Aug. 18, 2025 | CTKB | Restricted Stock Units | Common Stock (2,016) | — | — | 2,016 | Disposed |
| Aug. 18, 2025 | CTKB | Restricted Stock Units | Common Stock (3,681) | — | — | 3,681 | Disposed |
| Aug. 18, 2025 | CTKB | Restricted Stock Units | Common Stock (7,735) | — | — | 7,735 | Disposed |
| Aug. 18, 2025 | CTKB | Restricted Stock Units | Common Stock (10,875) | — | — | 10,875 | Disposed |
| May 19, 2025 | CTKB | Restricted Stock Units | Common Stock (2,016) | — | — | 2,016 | Disposed |
| May 19, 2025 | CTKB | Restricted Stock Units | Common Stock (2,454) | — | — | 2,454 | Disposed |
| May 19, 2025 | CTKB | Restricted Stock Units | Common Stock (5,156) | — | — | 5,156 | Disposed |
| May 19, 2025 | CTKB | Restricted Stock Units | Common Stock (7,250) | — | — | 7,250 | Disposed |
| March 10, 2025 | CTKB | Restricted Stock Units | Common Stock (4,908) | — | — | 4,908 | Disposed |
| March 10, 2025 | CTKB | Restricted Stock Units | Common Stock (10,313) | — | — | 10,313 | Disposed |
| March 4, 2025 | CTKB | Employee Stock Option (right to buy) | Common Stock (275,735) | $4.31 | March 4, 2035 | 275,735 | Acquired |
| March 4, 2025 | CTKB | Restricted Stock Units | Common Stock (174,013) | — | — | 174,013 | Acquired |
| Feb. 18, 2025 | CTKB | Restricted Stock Units | Common Stock (2,016) | — | — | 2,016 | Disposed |
| Nov. 18, 2024 | CTKB | Restricted Stock Units | Common Stock (2,016) | — | — | 2,016 | Disposed |
| Nov. 18, 2024 | CTKB | Restricted Stock Units | Common Stock (3,681) | — | — | 3,681 | Disposed |
| Nov. 18, 2024 | CTKB | Restricted Stock Units | Common Stock (7,735) | — | — | 7,735 | Disposed |
| Aug. 19, 2024 | CTKB | Restricted Stock Units | Common Stock (2,016) | — | — | 2,016 | Disposed |
| Aug. 19, 2024 | CTKB | Restricted Stock Units | Common Stock (3,681) | — | — | 3,681 | Disposed |
| Aug. 19, 2024 | CTKB | Restricted Stock Units | Common Stock (7,735) | — | — | 7,735 | Disposed |
| May 20, 2024 | CTKB | Restricted Stock Units | Common Stock (2,016) | — | — | 2,016 | Disposed |
| May 20, 2024 | CTKB | Restricted Stock Units | Common Stock (2,454) | — | — | 2,454 | Disposed |
| May 20, 2024 | CTKB | Restricted Stock Units | Common Stock (5,156) | — | — | 5,156 | Disposed |
| March 11, 2024 | CTKB | Restricted Stock Units | Common Stock (4,908) | — | — | 4,908 | Disposed |
| March 6, 2024 | CTKB | Employee Stock Option (right to buy) | Common Stock (184,210) | $7.07 | March 6, 2034 | 184,210 | Acquired |
| March 6, 2024 | CTKB | Restricted Stock Units | Common Stock (123,762) | — | — | 123,762 | Acquired |
| Feb. 20, 2024 | CTKB | Restricted Stock Units | Common Stock (2,016) | — | — | 2,016 | Disposed |
| Nov. 18, 2023 | CTKB | Restricted Stock Units | Common Stock (3,681) | — | — | 3,681 | Disposed |
| Nov. 18, 2023 | CTKB | Restricted Stock Units | Common Stock (2,016) | — | — | 2,016 | Disposed |
| Aug. 18, 2023 | CTKB | Restricted Stock Units | Common Stock (3,681) | — | — | 3,681 | Disposed |
| Aug. 18, 2023 | CTKB | Restricted Stock Units | Common Stock (2,016) | — | — | 2,016 | Disposed |
| May 18, 2023 | CTKB | Restricted Stock Units | Common Stock (2,454) | — | — | 2,454 | Disposed |
| May 18, 2023 | CTKB | Restricted Stock Units | Common Stock (2,016) | — | — | 2,016 | Disposed |
| March 3, 2023 | CTKB | Restricted Stock Units | Common Stock (58,906) | — | — | 58,906 | Acquired |
| March 3, 2023 | CTKB | Employee Stock Option (Right to Buy) | Common Stock (89,031) | $10.61 | March 3, 2033 | 89,031 | Acquired |
| Feb. 21, 2023 | CTKB | Restricted Stock Units | Common Stock (2,016) | — | — | 2,016 | Disposed |
| Nov. 18, 2022 | CTKB | Restricted Stock Units | Common Stock (2,016) | — | — | 2,016 | Disposed |
| Aug. 18, 2022 | CTKB | Restricted Stock Units | Common Stock (2,016) | — | — | 2,016 | Disposed |
| May 18, 2022 | CTKB | Restricted Stock Units | Common Stock (2,688) | — | — | 2,688 | Disposed |
| March 4, 2022 | CTKB | Stock Option (Right to Buy) | Common Stock (10,500) | $4.71 | March 22, 2031 | 10,500 | Disposed |
| Feb. 28, 2022 | CTKB | Restricted Stock Units | Common Stock (32,258) | — | — | 32,258 | Acquired |
| Feb. 28, 2022 | CTKB | Stock Option (Right to Buy) | Common Stock (48,671) | $13.64 | Feb. 28, 2032 | 48,671 | Acquired |
| July 22, 2021 | CTKB | Stock Option (Right to Buy) | Common Stock (75,000) | $17.00 | July 22, 2031 | 75,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 22, 2021 | CTKB | Stock Option (Right to Buy)→ Common Stock (133,330) | 133,330 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
CTKB
Chief Legal Officer and Corporate Secretary| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $475,000 | — | $750,000 | $750,000 | $186,049 | — | $13,894 | $2,174,943 |
| 2024 | $463,750 | — | $874,997 | $874,998 | $182,949 | — | $13,794 | $2,410,489 |
| 2023 | $435,000 | — | — | $625,000 | $140,333 | — | $37,061 | $1,862,394 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.