Shay David
Insider
First SEC filing: July 21, 2021 · Latest: July 21, 2021
Insider at
Insider transactions
1 buys (P)
0 sells (S)
Net: $9,680
Avg return of open purchases vs now: 8.3%
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 24, 2026 | KLTR | A | 133,333 | · | · | 1,579,926 Direct | +9.22% | Acquired | (price as of 2026-10-02) |
| March 24, 2026 | KLTR | P | 8,000 | $1.21 | $9,680 | 1,446,593 Direct | +0.56% | Acquired | 8.3% (price as of 2026-10-02) |
| June 25, 2025 | KLTR | A | 86,852 | · | · | 1,438,593 Direct | +6.43% | Acquired | (price as of 2026-10-02) |
| June 18, 2024 | KLTR | A | 157,310 | · | · | 1,351,741 Direct | +13.17% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2024 | KLTR | S 10b5-1 | 2,463 | $1.46 | $3,596 | 1,194,431 Direct | -0.21% | Disposed | -10.3% (price as of 2026-10-02) |
| Feb. 21, 2024 | KLTR | S 10b5-1 | 5,093 | $1.46 | $7,436 | 1,196,894 Direct | -0.42% | Disposed | -10.3% (price as of 2026-10-02) |
| Feb. 20, 2024 | KLTR | S 10b5-1 | 6,288 | $1.52 | $9,558 | 1,201,987 Direct | -0.52% | Disposed | -13.8% (price as of 2026-10-02) |
| Feb. 16, 2024 | KLTR | S 10b5-1 | 1,850 | $1.61 | $2,978 | 1,208,275 Direct | -0.15% | Disposed | -18.6% (price as of 2026-10-02) |
| Feb. 15, 2024 | KLTR | S 10b5-1 | 4,404 | $1.60 | $7,046 | 1,210,125 Direct | -0.36% | Disposed | -18.1% (price as of 2026-10-02) |
| Feb. 14, 2024 | KLTR | S 10b5-1 | 5,325 | $1.47 | $7,828 | 1,214,529 Direct | -0.44% | Disposed | -10.9% (price as of 2026-10-02) |
| Feb. 13, 2024 | KLTR | S 10b5-1 | 7,224 | $1.46 | $10,547 | 1,219,854 Direct | -0.59% | Disposed | -10.3% (price as of 2026-10-02) |
| Feb. 12, 2024 | KLTR | S 10b5-1 | 4,510 | $1.58 | $7,126 | 1,227,078 Direct | -0.37% | Disposed | -17.1% (price as of 2026-10-02) |
| Feb. 9, 2024 | KLTR | S 10b5-1 | 4,648 | $1.59 | $7,390 | 1,231,588 Direct | -0.38% | Disposed | -17.6% (price as of 2026-10-02) |
| Feb. 8, 2024 | KLTR | S 10b5-1 | 2,658 | $1.62 | $4,306 | 1,236,236 Direct | -0.21% | Disposed | -19.1% (price as of 2026-10-02) |
| Feb. 7, 2024 | KLTR | S 10b5-1 | 4,540 | $1.61 | $7,309 | 1,238,894 Direct | -0.37% | Disposed | -18.6% (price as of 2026-10-02) |
| Jan. 23, 2024 | KLTR | S 10b5-1 | 263 | $1.88 | $494 | 1,243,434 Direct | -0.02% | Disposed | -30.3% (price as of 2026-10-02) |
| Jan. 22, 2024 | KLTR | S 10b5-1 | 7,764 | $1.91 | $14,829 | 1,243,697 Direct | -0.62% | Disposed | -31.4% (price as of 2026-10-02) |
| Jan. 19, 2024 | KLTR | S 10b5-1 | 3,576 | $1.79 | $6,401 | 1,251,461 Direct | -0.28% | Disposed | -26.8% (price as of 2026-10-02) |
| Jan. 18, 2024 | KLTR | S 10b5-1 | 5,611 | $1.77 | $9,931 | 1,255,037 Direct | -0.45% | Disposed | -26.0% (price as of 2026-10-02) |
| Jan. 17, 2024 | KLTR | S 10b5-1 | 7,454 | $1.73 | $12,895 | 1,260,648 Direct | -0.59% | Disposed | -24.3% (price as of 2026-10-02) |
| Jan. 16, 2024 | KLTR | S 10b5-1 | 6,611 | $1.72 | $11,371 | 1,268,102 Direct | -0.52% | Disposed | -23.8% (price as of 2026-10-02) |
| Jan. 12, 2024 | KLTR | S 10b5-1 | 2,790 | $1.79 | $4,994 | 1,274,713 Direct | -0.22% | Disposed | -26.8% (price as of 2026-10-02) |
| Jan. 11, 2024 | KLTR | S 10b5-1 | 3,863 | $1.80 | $6,953 | 1,277,503 Direct | -0.30% | Disposed | -27.2% (price as of 2026-10-02) |
| Jan. 10, 2024 | KLTR | S 10b5-1 | 4,289 | $1.79 | $7,677 | 1,281,366 Direct | -0.33% | Disposed | -26.8% (price as of 2026-10-02) |
| Jan. 9, 2024 | KLTR | S 10b5-1 | 2,748 | $1.75 | $4,809 | 1,285,655 Direct | -0.21% | Disposed | -25.1% (price as of 2026-10-02) |
| Jan. 8, 2024 | KLTR | S 10b5-1 | 4,034 | $1.74 | $7,019 | 1,288,403 Direct | -0.31% | Disposed | -24.7% (price as of 2026-10-02) |
| Dec. 13, 2023 | KLTR | S 10b5-1 | 3,672 | $1.78 | $6,536 | 1,292,437 Direct | -0.28% | Disposed | -26.4% (price as of 2026-10-02) |
| Dec. 12, 2023 | KLTR | S 10b5-1 | 8,681 | $1.77 | $15,365 | 1,296,109 Direct | -0.67% | Disposed | -26.0% (price as of 2026-10-02) |
| Dec. 11, 2023 | KLTR | S 10b5-1 | 6,483 | $1.79 | $11,605 | 1,304,790 Direct | -0.49% | Disposed | -26.8% (price as of 2026-10-02) |
| Dec. 8, 2023 | KLTR | S 10b5-1 | 10,181 | $1.80 | $18,326 | 1,311,273 Direct | -0.77% | Disposed | -27.2% (price as of 2026-10-02) |
| Dec. 7, 2023 | KLTR | S 10b5-1 | 19,986 | $1.79 | $35,775 | 1,321,454 Direct | -1.49% | Disposed | -26.8% (price as of 2026-10-02) |
| Nov. 22, 2023 | KLTR | S 10b5-1 | 4,854 | $1.75 | $8,494 | 1,341,440 Direct | -0.36% | Disposed | -25.1% (price as of 2026-10-02) |
| Nov. 21, 2023 | KLTR | S 10b5-1 | 4,724 | $1.76 | $8,314 | 1,346,294 Direct | -0.35% | Disposed | -25.6% (price as of 2026-10-02) |
| Nov. 20, 2023 | KLTR | S 10b5-1 | 7,431 | $1.78 | $13,227 | 1,351,018 Direct | -0.55% | Disposed | -26.4% (price as of 2026-10-02) |
| Nov. 17, 2023 | KLTR | S 10b5-1 | 3,947 | $1.80 | $7,105 | 1,358,449 Direct | -0.29% | Disposed | -27.2% (price as of 2026-10-02) |
| Nov. 16, 2023 | KLTR | S 10b5-1 | 6,411 | $1.80 | $11,540 | 1,362,396 Direct | -0.47% | Disposed | -27.2% (price as of 2026-10-02) |
| Nov. 15, 2023 | KLTR | S 10b5-1 | 3,767 | $1.81 | $6,818 | 1,368,807 Direct | -0.27% | Disposed | -27.6% (price as of 2026-10-02) |
| Nov. 14, 2023 | KLTR | S 10b5-1 | 6,750 | $1.81 | $12,218 | 1,372,574 Direct | -0.49% | Disposed | -27.6% (price as of 2026-10-02) |
| Nov. 13, 2023 | KLTR | S 10b5-1 | 7,569 | $1.74 | $13,170 | 1,379,324 Direct | -0.55% | Disposed | -24.7% (price as of 2026-10-02) |
| Nov. 10, 2023 | KLTR | S 10b5-1 | 3,550 | $1.78 | $6,319 | 1,386,893 Direct | -0.26% | Disposed | -26.4% (price as of 2026-10-02) |
| Oct. 4, 2023 | KLTR | M | 456,831 | $0.17 | $77,661 | 1,390,443 Direct | +48.93% | Acquired | 670.6% (price as of 2026-10-02) |
| Oct. 4, 2023 | KLTR | M | 456,831 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 15, 2023 | KLTR | A | 90,909 | · | · | 933,612 Direct | +10.79% | Acquired | (price as of 2026-10-02) |
| Oct. 18, 2022 | KLTR | A | 16,274 | · | · | 842,703 Direct | +1.97% | Acquired | (price as of 2026-10-02) |
| June 15, 2022 | KLTR | A | 98,361 | · | · | 826,429 Direct | +13.51% | Acquired | (price as of 2026-10-02) |
| May 2, 2022 | KLTR | J | 728,068 | · | · | 728,068 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| May 2, 2022 | KLTR | J | 0 | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-02) |
| March 28, 2022 | KLTR | M | 170,626 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 28, 2022 | KLTR | M | 170,626 | $0.08 | $13,650 | 1,456,136 Direct | +13.27% | Acquired | 1537.5% (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Oct. 4, 2023 | KLTR | Employee Stock Option (right to buy) | Common Stock | $0.17 | Oct. 15, 2023 | 456,831 | Disposed |
| March 28, 2022 | KLTR | Employee Stock Option (right to buy) | Common Stock | $0.08 | July 24, 2022 | 170,626 | Disposed |
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 |
|---|---|---|---|---|
| July 21, 2021 | KLTR | Common Stock | 1,285,510 | Direct |
| July 21, 2021 | KLTR | Common Stock | 2,859,952 | Indirect |
| July 21, 2021 | KLTR | Employee Stock option (Right to Buy) | 170,626 | Direct |
| July 21, 2021 | KLTR | Employee Stock option (Right to Buy) | 456,831 | Direct |
| July 21, 2021 | KLTR | Employee Stock option (Right to Buy) | 193,599 | Direct |
| July 21, 2021 | KLTR | Employee Stock option (Right to Buy) | 74,151 | Direct |