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Ticker: CTKB Exchange: NSM


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Total value Details
May 25, 2023 May 24, 2023 PS Planned sale

Jeanmonod Patrik

Chief Financial Officer

Officer
3,000 -2.7%
7.76
23,280 USD 		3,000 -2.7% 7.76 23,280 USD
May 19, 2023 May 19, 2023 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.3%
7.19
143,800 USD 		20,000 -0.3% 7.19 143,800 USD
May 10, 2023 May 8, 2023 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
11.55
231,000 USD 		20,000 -0.3% 11.55 231,000 USD
April 25, 2023 April 24, 2023 PS Planned sale

Jeanmonod Patrik

Chief Financial Officer

Officer
3,000 -2.7%
10.24
30,720 USD 		3,000 -2.7% 10.24 30,720 USD
April 20, 2023 April 19, 2023 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.3%
9.71
194,200 USD 		20,000 -0.3% 9.71 194,200 USD
April 11, 2023 April 10, 2023 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
8.88
177,600 USD 		20,000 -0.3% 8.88 177,600 USD
March 24, 2023 March 24, 2023 PS Planned sale

Jeanmonod Patrik

Chief Financial Officer

Officer
3,000 -2.6%
8.33
24,990 USD 		3,000 -2.6% 8.33 24,990 USD
March 21, 2023 March 20, 2023 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.3%
9.29
185,800 USD 		20,000 -0.3% 9.29 185,800 USD
March 7, 2023 March 7, 2023 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
10.13
202,600 USD 		20,000 -0.3% 10.13 202,600 USD
Feb. 28, 2023 Feb. 24, 2023 PS Planned sale

Jeanmonod Patrik

Chief Financial Officer

Officer
3,000 -2.6%
11.05
33,150 USD 		3,000 -2.6% 11.05 33,150 USD
Feb. 23, 2023 Feb. 21, 2023 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.3%
10.94
218,800 USD 		20,000 -0.3% 10.94 218,800 USD
Feb. 10, 2023 Feb. 8, 2023 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
897 -0.0%
13.53
12,136 USD 		897 -0.0% 13.53 12,136 USD
Feb. 8, 2023 Feb. 7, 2023 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
13.19
263,800 USD 		20,000 -0.3% 13.19 263,800 USD
Feb. 7, 2023 Feb. 3, 2023 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
11 -0.0%
13.51
149 USD 		11 -0.0% 13.51 149 USD
Feb. 7, 2023 Feb. 3, 2023 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
1,081 -0.0%
13.50
14,594 USD 		1,081 -0.0% 13.50 14,594 USD
Jan. 25, 2023 Jan. 24, 2023 PS Planned sale

Jeanmonod Patrik

Chief Financial Officer

Officer
3,500 -4.4%
11.05
38,675 USD 		3,500 -4.4% 11.05 38,675 USD
Jan. 20, 2023 Jan. 19, 2023 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.3%
11.03
220,600 USD 		20,000 -0.3% 11.03 220,600 USD
Jan. 10, 2023 Jan. 9, 2023 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
10.66
213,200 USD 		20,000 -0.3% 10.66 213,200 USD
Dec. 29, 2022 Dec. 27, 2022 PS Planned sale

Jeanmonod Patrik

Chief Financial Officer

Officer
3,500 -4.2%
9.77
34,195 USD 		3,500 -4.2% 9.77 34,195 USD
Dec. 20, 2022 Dec. 19, 2022 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.3%
10.38
207,600 USD 		20,000 -0.3% 10.38 207,600 USD
Dec. 9, 2022 Dec. 7, 2022 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
11.86
237,200 USD 		20,000 -0.3% 11.86 237,200 USD
Nov. 28, 2022 Nov. 25, 2022 PS Planned sale

Jeanmonod Patrik

Chief Financial Officer

Officer
3,500 -4.0%
14.30
50,050 USD 		3,500 -4.0% 14.30 50,050 USD
Nov. 22, 2022 Nov. 21, 2022 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.2%
14.66
293,200 USD 		20,000 -0.2% 14.66 293,200 USD
Nov. 16, 2022 Nov. 14, 2022 PS Planned sale

Ball Jack

Non-Executive Director
16,000 -84.2%
14.69
235,040 USD 		16,000 -84.2% 14.69 235,040 USD
Nov. 8, 2022 Nov. 7, 2022 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
14.76
295,200 USD 		20,000 -0.3% 14.76 295,200 USD
Oct. 25, 2022 Oct. 24, 2022 PS Planned sale

Jeanmonod Patrik

Chief Financial Officer

Officer
3,500 -3.9%
15.16
53,060 USD 		3,500 -3.9% 15.16 53,060 USD
Oct. 20, 2022 Oct. 19, 2022 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.2%
14.42
288,400 USD 		20,000 -0.2% 14.42 288,400 USD
Oct. 11, 2022 Oct. 7, 2022 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
14.79
295,800 USD 		20,000 -0.3% 14.79 295,800 USD
Sept. 28, 2022 Sept. 26, 2022 PS Planned sale

Jeanmonod Patrik

Chief Financial Officer

Officer
3,500 -3.8%
12.63
44,205 USD 		3,500 -3.8% 12.63 44,205 USD
Sept. 20, 2022 Sept. 19, 2022 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.2%
12.42
248,400 USD 		20,000 -0.2% 12.42 248,400 USD
Sept. 9, 2022 Sept. 7, 2022 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
12.89
257,800 USD 		20,000 -0.3% 12.89 257,800 USD
Aug. 25, 2022 Aug. 24, 2022 PS Planned sale

Jeanmonod Patrik

Chief Financial Officer

Officer
3,500 -3.6%
13.45
47,075 USD 		3,500 -3.6% 13.45 47,075 USD
Aug. 19, 2022 Aug. 19, 2022 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.2%
13.62
272,400 USD 		20,000 -0.2% 13.62 272,400 USD
Aug. 10, 2022 Aug. 8, 2022 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
15.09
301,800 USD 		20,000 -0.3% 15.09 301,800 USD
Aug. 3, 2022 Aug. 1, 2022 PS Planned sale

Jeanmonod Patrik

Chief Financial Officer

Officer
3,500 -3.6%
12.80
44,800 USD 		3,500 -3.6% 12.80 44,800 USD
July 20, 2022 July 19, 2022 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.2%
11.83
236,600 USD 		20,000 -0.2% 11.83 236,600 USD
July 8, 2022 July 7, 2022 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
11.19
223,800 USD 		20,000 -0.3% 11.19 223,800 USD
June 22, 2022 June 21, 2022 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.2%
10.06
201,200 USD 		20,000 -0.2% 10.06 201,200 USD
June 9, 2022 June 7, 2022 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
10.75
215,000 USD 		20,000 -0.3% 10.75 215,000 USD
May 20, 2022 May 19, 2022 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.2%
9.92
198,400 USD 		20,000 -0.2% 9.92 198,400 USD
May 12, 2022 May 9, 2022 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
8.01
160,200 USD 		20,000 -0.3% 8.01 160,200 USD
April 21, 2022 April 19, 2022 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.2%
10.34
206,800 USD 		20,000 -0.2% 10.34 206,800 USD
April 8, 2022 April 7, 2022 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
10.54
210,800 USD 		20,000 -0.3% 10.54 210,800 USD
March 23, 2022 March 21, 2022 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.2%
11.64
232,800 USD 		20,000 -0.2% 11.64 232,800 USD
March 16, 2022 March 15, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director Major owner
241,727 +1.8%
12.27
2,964,999 USD 		241,727 +1.8% 12.27 2,964,999 USD
March 16, 2022 March 14, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director Major owner
342,143 +2.7%
12.35
4,223,926 USD 		342,143 +2.7% 12.35 4,223,926 USD
March 11, 2022 March 11, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
337,492 +2.7%
12.77
4,309,334 USD 		337,492 +2.7% 12.77 4,309,334 USD
March 11, 2022 March 10, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
256,992 +2.1%
12.95
3,327,584 USD 		256,992 +2.1% 12.95 3,327,584 USD
March 11, 2022 March 9, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
40,154 +0.3%
12.99
521,753 USD 		40,154 +0.3% 12.99 521,753 USD
March 8, 2022 March 8, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
245,701 +2.1%
12.86
3,160,059 USD 		245,701 +2.1% 12.86 3,160,059 USD
March 8, 2022 March 7, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
337,901 +2.9%
12.61
4,260,965 USD 		337,901 +2.9% 12.61 4,260,965 USD
March 8, 2022 March 7, 2022 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
1,200 -0.0%
13.79
16,548 USD 		1,200 -0.0% 13.79 16,548 USD
March 8, 2022 March 7, 2022 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
18,800 -0.2%
12.58
236,504 USD 		18,800 -0.2% 12.58 236,504 USD
March 8, 2022 March 4, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
63,662 +0.6%
12.99
827,230 USD 		63,662 +0.6% 12.99 827,230 USD
March 2, 2022 March 2, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
138,255 +1.2%
12.89
1,782,218 USD 		138,255 +1.2% 12.89 1,782,218 USD
March 2, 2022 March 1, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
294,864 +2.7%
12.98
3,826,303 USD 		294,864 +2.7% 12.98 3,826,303 USD
March 2, 2022 Feb. 28, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
8,746 +0.1%
12.97
113,430 USD 		8,746 +0.1% 12.97 113,430 USD
Feb. 25, 2022 Feb. 25, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
18,991 +0.2%
12.99
246,699 USD 		18,991 +0.2% 12.99 246,699 USD
Feb. 25, 2022 Feb. 24, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
186,467 +1.7%
13.03
2,429,851 USD 		186,467 +1.7% 13.03 2,429,851 USD
Feb. 25, 2022 Feb. 23, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
214,922 +2.0%
13.41
2,883,114 USD 		214,922 +2.0% 13.41 2,883,114 USD
Feb. 24, 2022 Feb. 22, 2022 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
20,000 -0.2%
13.44
268,800 USD 		20,000 -0.2% 13.44 268,800 USD
Feb. 22, 2022 Feb. 22, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
214,922 +2.1%
13.46
2,892,055 USD 		214,922 +2.1% 13.46 2,892,055 USD
Feb. 22, 2022 Feb. 18, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
166,229 +1.6%
14.12
2,346,389 USD 		166,229 +1.6% 14.12 2,346,389 USD
Feb. 22, 2022 Feb. 17, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
166,229 +1.6%
14.78
2,457,264 USD 		166,229 +1.6% 14.78 2,457,264 USD
Feb. 16, 2022 Feb. 16, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
166,200 +1.7%
14.98
2,489,377 USD 		166,200 +1.7% 14.98 2,489,377 USD
Feb. 16, 2022 Feb. 15, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
166,200 +1.7%
14.99
2,490,524 USD 		166,200 +1.7% 14.99 2,490,524 USD
Feb. 16, 2022 Feb. 14, 2022 PP Planned purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
166,229 +1.7%
14.72
2,446,924 USD 		166,229 +1.7% 14.72 2,446,924 USD
Feb. 14, 2022 Feb. 10, 2022 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
5,294 -0.1%
15.37
81,369 USD 		5,294 -0.1% 15.37 81,369 USD
Feb. 14, 2022 Feb. 10, 2022 PS Planned sale

Yan Ming

Chief Technology Officer

Executive Director
14,706 -0.2%
15.01
220,737 USD 		14,706 -0.2% 15.01 220,737 USD
Feb. 9, 2022 Feb. 7, 2022 PS Planned sale

Jiang Wenbin

President and CEO

Executive Director
20,000 -0.3%
14.40
288,000 USD 		20,000 -0.3% 14.40 288,000 USD
July 29, 2021 July 27, 2021 B Purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
187,214 +18.7%
17.00
3,182,638 USD 		187,214 +18.7% 17.00 3,182,638 USD
July 29, 2021 July 27, 2021 B Purchase

RA CAPITAL MANAGEMENT, L.P.

Non-Executive Director
2,762,786 +53.6%
17.00
46,967,362 USD 		2,762,786 +53.6% 17.00 46,967,362 USD

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