Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 42 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.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 19, 2024 CTKB M 1,006 · · 10,908 Direct +10.16% Acquired (price as of 2026-10-06)
Aug. 19, 2024 CTKB F 392 $5.53 $2,168 10,516 Direct -3.59% Disposed 8.7% (price as of 2026-10-06)
Aug. 19, 2024 CTKB M 920 · · 11,436 Direct +8.75% Acquired (price as of 2026-10-06)
Aug. 19, 2024 CTKB F 359 $5.53 $1,985 11,077 Direct -3.14% Disposed 8.7% (price as of 2026-10-06)
Aug. 19, 2024 CTKB M 8,840 · · 19,917 Direct +79.81% Acquired (price as of 2026-10-06)
Aug. 19, 2024 CTKB F 3,444 $5.53 $19,045 16,473 Direct -17.29% Disposed 8.7% (price as of 2026-10-06)
Aug. 19, 2024 CTKB M 1,006 · · 9,063 Direct -9.99% Disposed (price as of 2026-10-06)
Aug. 19, 2024 CTKB M 920 · · 9,513 Direct -8.82% Disposed (price as of 2026-10-06)
Aug. 19, 2024 CTKB M 8,840 · · 126,709 Direct -6.52% Disposed (price as of 2026-10-06)
May 20, 2024 CTKB M 1,006 · · 6,323 Direct +18.92% Acquired (price as of 2026-10-06)
May 20, 2024 CTKB F 392 $5.96 $2,336 5,931 Direct -6.20% Disposed 0.8% (price as of 2026-10-06)
May 20, 2024 CTKB M 613 · · 6,544 Direct +10.34% Acquired (price as of 2026-10-06)
May 20, 2024 CTKB F 239 $5.96 $1,424 6,305 Direct -3.65% Disposed 0.8% (price as of 2026-10-06)
May 20, 2024 CTKB M 5,893 · · 12,198 Direct +93.47% Acquired (price as of 2026-10-06)
May 20, 2024 CTKB F 2,296 $5.96 $13,684 9,902 Direct -18.82% Disposed 0.8% (price as of 2026-10-06)
May 20, 2024 CTKB M 1,006 · · 10,069 Direct -9.08% Disposed (price as of 2026-10-06)
May 20, 2024 CTKB M 613 · · 10,433 Direct -5.55% Disposed (price as of 2026-10-06)
May 20, 2024 CTKB M 5,893 · · 135,549 Direct -4.17% Disposed (price as of 2026-10-06)
March 11, 2024 CTKB M 1,227 · · 5,795 Direct +26.86% Acquired (price as of 2026-10-06)
March 11, 2024 CTKB F 478 $7.22 $3,451 5,317 Direct -8.25% Disposed -16.8% (price as of 2026-10-06)
March 11, 2024 CTKB M 1,227 · · 11,046 Direct -10.00% Disposed (price as of 2026-10-06)
March 6, 2024 CTKB A 210,526 · · 210,526 Direct · Acquired (price as of 2026-10-06)
March 6, 2024 CTKB A 141,442 · · 141,442 Direct · Acquired (price as of 2026-10-06)
Feb. 20, 2024 CTKB M 1,006 · · 4,960 Direct +25.44% Acquired (price as of 2026-10-06)
Feb. 20, 2024 CTKB F 392 $8.38 $3,285 4,568 Direct -7.90% Disposed -28.3% (price as of 2026-10-06)
Feb. 20, 2024 CTKB M 1,006 · · 11,075 Direct -8.33% Disposed (price as of 2026-10-06)
Nov. 18, 2023 CTKB M 920 · · 12,273 Direct -6.97% Disposed (price as of 2026-10-06)
Nov. 18, 2023 CTKB M 4,027 · · 12,081 Direct -25.00% Disposed (price as of 2026-10-06)
Nov. 18, 2023 CTKB F 359 $5.98 $2,147 3,954 Direct -8.32% Disposed 0.5% (price as of 2026-10-06)
Nov. 18, 2023 CTKB M 920 · · 4,313 Direct +27.11% Acquired (price as of 2026-10-06)
Nov. 18, 2023 CTKB F 1,569 $5.98 $9,383 3,393 Direct -31.62% Disposed 0.5% (price as of 2026-10-06)
Nov. 18, 2023 CTKB M 4,027 · · 4,962 Direct +430.70% Acquired (price as of 2026-10-06)
Aug. 18, 2023 CTKB M 920 · · 13,193 Direct -6.52% Disposed (price as of 2026-10-06)
Aug. 18, 2023 CTKB F 359 $8.46 $3,037 935 Direct -27.74% Disposed -29.0% (price as of 2026-10-06)
Aug. 18, 2023 CTKB M 920 · · 1,294 Direct +245.99% Acquired (price as of 2026-10-06)
May 18, 2023 CTKB M 613 · · 14,113 Direct -4.16% Disposed (price as of 2026-10-06)
May 18, 2023 CTKB F 239 $6.69 $1,599 374 Direct -38.99% Disposed -10.2% (price as of 2026-10-06)
May 18, 2023 CTKB M 613 · · 613 Direct · Acquired (price as of 2026-10-06)
March 3, 2023 CTKB A 14,726 · · 14,726 Direct · Acquired (price as of 2026-10-06)
March 3, 2023 CTKB A 22,257 · · 22,257 Direct · Acquired (price as of 2026-10-06)
Oct. 31, 2022 CTKB A 16,108 · · 16,108 Direct · Acquired (price as of 2026-10-06)
Oct. 31, 2022 CTKB A 24,601 · · 24,601 Direct · Acquired (price as of 2026-10-06)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Aug. 19, 2024 CTKB Restricted Stock Units Common Stock (1,006) · · 1,006 Disposed
Aug. 19, 2024 CTKB Restricted Stock Units Common Stock (920) · · 920 Disposed
Aug. 19, 2024 CTKB Restricted Stock Units Common Stock (8,840) · · 8,840 Disposed
May 20, 2024 CTKB Restricted Stock Units Common Stock (1,006) · · 1,006 Disposed
May 20, 2024 CTKB Restricted Stock Units Common Stock (613) · · 613 Disposed
May 20, 2024 CTKB Restricted Stock Units Common Stock (5,893) · · 5,893 Disposed
March 11, 2024 CTKB Restricted Stock Units Common Stock (1,227) · · 1,227 Disposed
March 6, 2024 CTKB Employee Stock Option (right to buy) Common Stock (210,526) $7.07 March 6, 2034 210,526 Acquired
March 6, 2024 CTKB Restricted Stock Units Common Stock (141,442) · · 141,442 Acquired
Feb. 20, 2024 CTKB Restricted Stock Units Common Stock (1,006) · · 1,006 Disposed
Nov. 18, 2023 CTKB Restricted Stock Units Common Stock (920) · · 920 Disposed
Nov. 18, 2023 CTKB Restricted Stock Units Common Stock (4,027) · · 4,027 Disposed
Aug. 18, 2023 CTKB Restricted Stock Units 08/18/2023 (920) · · 920 Disposed
May 18, 2023 CTKB Restricted Stock Units Common Stock (613) · · 613 Disposed
March 3, 2023 CTKB Restricted Stock Units Common Stock (14,726) · · 14,726 Acquired
March 3, 2023 CTKB Employee Stock option (right to buy) Common Stock (22,257) $10.61 March 3, 2033 22,257 Acquired
Oct. 31, 2022 CTKB Restricted Stock Units Common Stock (16,108) · · 16,108 Acquired
Oct. 31, 2022 CTKB Stock option (right to buy) Common Stock (24,601) $15.52 Oct. 31, 2032 24,601 Acquired

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