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Centessa Pharmaceuticals PLC (CNTA)

Over the last 90 days, Centessa Pharmaceuticals PLC has seen significant insider selling activity, totaling over $18 million. Notably, Chief People Officer Karen M. Anderson and Chief Business Officer Gregory M. Weinhoff have engaged in multiple planned and proposed sales. No insider purchases were recorded during this period. The stock has experienced a substantial price increase of 46.1% over the past 90 days.
Stock chart
Ticker: CNTA Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Anderson Karen M.
Chief People Officer
2 sales — total 2,393,671 USD
Planned sale 26 Mar 2026
Value US$195,250.11 | Price 383.85 | Shares 3,058
Proposed sale 26 Mar 2026
Value US$3,522,331.69 | Price 117.82 | Shares 15,888
Planned sale 26 Mar 2026
Value US$898,730.73 | Price 212.22 | Shares 93,494
Proposed sale 26 Mar 2026
Value US$2,131,765.40 | Price 387.64 | Shares 60,490
Planned sale 17 Mar 2026
Value US$282,210.31 | Price 28.10 | Shares 10,043
Proposed sale 17 Mar 2026
Value US$281,003.14 | Price 27.98 | Shares 10,043
Planned sale 16 Mar 2026
Value US$1,826,969.27 | Price 28.21 | Shares 64,768
Proposed sale 16 Mar 2026
Value US$1,826,969.27 | Price 28.21 | Shares 64,768
Planned sale 13 Mar 2026
Value US$324,336.05 | Price 27.16 | Shares 11,943
Planned sale 13 Mar 2026
Value US$1,602,795.00 | Price 26.17 | Shares 61,253
Proposed sale 13 Mar 2026
Value US$1,993,493.06 | Price 27.24 | Shares 73,196
Planned sale 13 Mar 2026
Value US$327,438.63 | Price 27.13 | Shares 12,068
Planned sale 13 Mar 2026
Value US$2,823,234.13 | Price 26.15 | Shares 107,961
Proposed sale 13 Mar 2026
Value US$3,103,949.94 | Price 25.86 | Shares 120,029
Sale 2 Feb 2026
Value US$979,656.60 | Price 25.15 | Shares 38,951
Sale 2 Feb 2026
Value US$979,656.60 | Price 25.15 | Shares 38,951
Sale 30 Jan 2026
Value US$25,261.01 | Price 25.01 | Shares 1,010
Proposed sale 30 Jan 2026
Value US$1,019,005.00 | Price 25.50 | Shares 39,961
Proposed sale 21 Jan 2026
Value US$52,601,000.00 | Price 22.87 | Shares 2,300,000
Proposed sale 2 Jan 2026
Value US$60,750,000.00 | Price 24.30 | Shares 2,500,000
Proposed sale 9 Dec 2025
Value US$293,000.00 | Price 29.30 | Shares 10,000
Planned sale 9 Dec 2025
Value US$75,005.37 | Price 29.21 | Shares 2,568
Planned sale 9 Dec 2025
Value US$213,283.54 | Price 28.70 | Shares 7,432
Proposed sale 8 Dec 2025
Value US$300,000.00 | Price 30.00 | Shares 10,000
Planned sale 8 Dec 2025
Value US$300,000.00 | Price 30.00 | Shares 10,000
Planned sale 17 Nov 2025
Value US$1,120,000.00 | Price 28.00 | Shares 40,000
Proposed sale 17 Nov 2025
Value US$1,120,000.00 | Price 28.00 | Shares 40,000
Planned sale 17 Nov 2025
Value US$165,835.20 | Price 27.64 | Shares 6,000
Proposed sale 17 Nov 2025
Value US$166,440.00 | Price 27.74 | Shares 6,000
Planned sale 12 Nov 2025
Value US$1,040,000.00 | Price 26.00 | Shares 40,000
Proposed sale 12 Nov 2025
Value US$1,040,000.00 | Price 26.00 | Shares 40,000
Proposed sale 27 Oct 2025
Value US$200,000.00 | Price 25.00 | Shares 8,000
Proposed sale 27 Oct 2025
Value US$200,000.00 | Price 25.00 | Shares 8,000
Planned sale 27 Oct 2025
Value US$200,000.00 | Price 25.00 | Shares 8,000
Planned sale 15 Oct 2025
Value US$134,439.00 | Price 22.41 | Shares 6,000
Proposed sale 15 Oct 2025
Value US$135,660.00 | Price 22.61 | Shares 6,000
Proposed sale 24 Sep 2025
Value US$840,000.00 | Price 24.00 | Shares 35,000
Planned sale 24 Sep 2025
Value US$840,000.00 | Price 24.00 | Shares 35,000
Proposed sale 16 Sep 2025
Value US$180,274.32 | Price 22.06 | Shares 8,172
Planned sale 16 Sep 2025
Value US$16,339.80 | Price 22.02 | Shares 742
Planned sale 16 Sep 2025
Value US$158,506.42 | Price 21.33 | Shares 7,430
Proposed sale 15 Sep 2025
Value US$130,860.00 | Price 21.81 | Shares 6,000
Planned sale 15 Sep 2025
Value US$131,100.60 | Price 21.85 | Shares 6,000
Planned sale 10 Sep 2025
Value US$550,000.00 | Price 22.00 | Shares 25,000
Proposed sale 10 Sep 2025
Value US$550,000.00 | Price 22.00 | Shares 25,000
Planned sale 10 Sep 2025
Value US$440,000.00 | Price 22.00 | Shares 20,000
Proposed sale 10 Sep 2025
Value US$440,000.00 | Price 22.00 | Shares 20,000
Planned sale 9 Sep 2025
Value US$495,840.00 | Price 20.00 | Shares 24,792
Proposed sale 9 Sep 2025
Value US$495,840.00 | Price 20.00 | Shares 24,792
Planned sale 9 Sep 2025
Value US$400,102.00 | Price 20.01 | Shares 20,000
Proposed sale 9 Sep 2025
Value US$400,102.00 | Price 20.01 | Shares 20,000
Planned sale 9 Sep 2025
Value US$140,000.00 | Price 20.00 | Shares 7,000
Proposed sale 9 Sep 2025
Value US$140,000.00 | Price 20.00 | Shares 7,000
Proposed sale 15 Aug 2025
Value US$103,380.00 | Price 17.23 | Shares 6,000
Planned sale 15 Aug 2025
Value US$103,380.00 | Price 17.23 | Shares 6,000
Proposed sale 29 Jul 2025
Value US$127,909.14 | Price 15.37 | Shares 8,322
Proposed sale 25 Jul 2025
Value US$155,598.00 | Price 15.56 | Shares 10,000
Planned sale 25 Jul 2025
Value US$155,598.00 | Price 15.56 | Shares 10,000
Proposed sale 21 Jul 2025
Value US$879,450.00 | Price 15.99 | Shares 55,000
Planned sale 21 Jul 2025
Value US$875,600.00 | Price 15.92 | Shares 55,000
Proposed sale 17 Jul 2025
Value US$80,000.00 | Price 16.00 | Shares 5,000
Proposed sale 15 Jul 2025
Value US$149,182.50 | Price 14.92 | Shares 10,000
Planned sale 15 Jul 2025
Value US$89,566.80 | Price 14.93 | Shares 6,000
Proposed sale 15 Jul 2025
Value US$89,566.80 | Price 14.93 | Shares 6,000
Proposed sale 25 Jun 2025
Value US$140,000.00 | Price 14.00 | Shares 10,000
Planned sale 25 Jun 2025
Value US$138,642.00 | Price 13.86 | Shares 10,000
Proposed sale 24 Jun 2025
Value US$210,000.00 | Price 14.00 | Shares 15,000
Planned sale 24 Jun 2025
Value US$210,000.00 | Price 14.00 | Shares 15,000
Planned sale 24 Jun 2025
Value US$168,218.40 | Price 14.02 | Shares 12,000
Proposed sale 24 Jun 2025
Value US$168,218.40 | Price 14.02 | Shares 12,000
Proposed sale 20 Jun 2025
Value US$128,650.00 | Price 12.87 | Shares 10,000
Proposed sale 20 Jun 2025
Value US$707,575.00 | Price 12.87 | Shares 55,000
Planned sale 20 Jun 2025
Value US$694,826.00 | Price 12.63 | Shares 55,000
Proposed sale 27 May 2025
Value US$128,225.00 | Price 12.82 | Shares 10,000
Planned sale 27 May 2025
Value US$128,225.00 | Price 12.82 | Shares 10,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-03-27 2026-03-26 PlS Planned sale

Chief People Officer

Officer
3,058 -28.2%
383.85
US$195,250
3,058 -28.2% 383.85 US$195,250
2026-03-26 2026-03-26 PlS Planned sale

Chief Business Officer

Officer
93,494 +5.0%
212.22
US$898,731
93,494 +5.0% 212.22 US$898,731
2026-03-26 2026-03-26 PrS Proposed sale

Officer

Officer
60,490
387.64
US$2,131,765
60,490 387.64 US$2,131,765
2026-03-26 2026-03-26 PrS Proposed sale

Officer

Officer
41,076
28.15
US$1,156,289
41,076 28.15 US$1,156,289
2026-03-18 2026-03-17 PlS Planned sale

Chief People Officer

Officer
10,043 -13.9%
28.10
US$282,210
10,043 -13.9% 28.10 US$282,210
2026-03-17 2026-03-17 PrS Proposed sale

Officer

Officer
10,043
27.98
US$281,003
10,043 27.98 US$281,003
2026-03-18 2026-03-16 PlS Planned sale

Chief People Officer

Officer
64,768 -51.1%
28.21
US$1,826,969
64,768 -51.1% 28.21 US$1,826,969
2026-03-16 2026-03-16 PrS Proposed sale

Officer

Officer
64,768
28.21
US$1,826,969
64,768 28.21 US$1,826,969
2026-03-13 2026-03-13 PlS Planned sale

Chief Business Officer

Officer
11,943 -15.3%
27.16
US$324,336
11,943 -15.3% 27.16 US$324,336
2026-03-13 2026-03-13 PlS Planned sale

Chief Business Officer

Officer
61,253 -44.0%
26.17
US$1,602,795
61,253 -44.0% 26.17 US$1,602,795
2026-03-13 2026-03-13 PlS Planned sale

Chief People Officer

Officer
12,068 -16.3%
27.13
US$327,439
12,068 -16.3% 27.13 US$327,439
2026-03-13 2026-03-13 PlS Planned sale

Chief People Officer

Officer
107,961 -59.3%
26.15
US$2,823,234
107,961 -59.3% 26.15 US$2,823,234
2026-03-13 2026-03-13 PrS Proposed sale

Officer

Officer
120,029
25.86
US$3,103,950
120,029 25.86 US$3,103,950
2026-03-13 2026-03-13 PrS Proposed sale

Officer

Officer
73,196
27.24
US$1,993,493
73,196 27.24 US$1,993,493
2026-02-03 2026-02-02 S Sale

Chief Legal Officer

Officer
38,951 -40.3%
25.15
US$979,657
38,951 -40.3% 25.15 US$979,657
2026-02-03 2026-02-02 S Sale

Chief Legal Officer

Officer
38,951 -40.3%
25.15
US$979,657
38,951 -40.3% 25.15 US$979,657
2026-02-03 2026-01-30 S Sale

Chief Legal Officer

Officer
1,010 -1.0%
25.01
US$25,261
1,010 -1.0% 25.01 US$25,261
2026-01-30 2026-01-30 PrS Proposed sale

Officer

Officer
39,961
25.50
US$1,019,005
39,961 25.50 US$1,019,005
2026-01-21 2026-01-21 PrS Proposed sale

Former Officer

Officer
2,300,000
22.87
US$52,601,000
2,300,000 22.87 US$52,601,000
2026-01-02 2026-01-02 PrS Proposed sale

Previous Officer

Officer
2,500,000
24.30
US$60,750,000
2,500,000 24.30 US$60,750,000
2025-12-09 2025-12-09 PrS Proposed sale

Officer

Officer
10,000
29.30
US$293,000
10,000 29.30 US$293,000
2025-12-09 2025-12-09 PlS Planned sale

President, Orexin Program

Officer
2,568 -1.4%
29.21
US$75,005
2,568 -1.4% 29.21 US$75,005
2025-12-09 2025-12-09 PlS Planned sale

President, Orexin Program

Officer
7,432 -3.9%
28.70
US$213,284
7,432 -3.9% 28.70 US$213,284
2025-12-08 2025-12-08 PrS Proposed sale

Officer

Officer
10,000
30.00
US$300,000
10,000 30.00 US$300,000
2025-12-08 2025-12-08 PlS Planned sale

President, Orexin Program

Officer
10,000 -5.0%
30.00
US$300,000
10,000 -5.0% 30.00 US$300,000
2025-11-18 2025-11-17 PlS Planned sale

Chief Technology & Quality Ofc

Officer
40,000 -24.8%
28.00
US$1,120,000
40,000 -24.8% 28.00 US$1,120,000
2025-11-18 2025-11-17 PlS Planned sale

General Counsel

Officer
6,000 -5.4%
27.64
US$165,835
6,000 -5.4% 27.64 US$165,835
2025-11-17 2025-11-17 PrS Proposed sale

Officer

Officer
40,000
28.00
US$1,120,000
40,000 28.00 US$1,120,000
2025-11-17 2025-11-17 PrS Proposed sale

Officer

Officer
6,000
27.74
US$166,440
6,000 27.74 US$166,440
2025-11-13 2025-11-12 PlS Planned sale

Chief Technology & Quality Ofc

Officer
40,000 -24.8%
26.00
US$1,040,000
40,000 -24.8% 26.00 US$1,040,000
2025-11-12 2025-11-12 PrS Proposed sale

Officer

Officer
40,000
26.00
US$1,040,000
40,000 26.00 US$1,040,000
2025-10-27 2025-10-27 PrS Proposed sale

Officer

Officer
8,000
25.00
US$200,000
8,000 25.00 US$200,000
2025-10-27 2025-10-27 PrS Proposed sale

Officer

Officer
8,000
25.00
US$200,000
8,000 25.00 US$200,000
2025-10-27 2025-10-27 PlS Planned sale

President, Orexin Program

Officer
8,000 -4.0%
25.00
US$200,000
8,000 -4.0% 25.00 US$200,000
2025-10-16 2025-10-15 PlS Planned sale

General Counsel

Officer
6,000 -5.4%
22.41
US$134,439
6,000 -5.4% 22.41 US$134,439
2025-10-15 2025-10-15 PrS Proposed sale

Officer

Officer
6,000
22.61
US$135,660
6,000 22.61 US$135,660
2025-09-24 2025-09-24 PrS Proposed sale

Officer

Officer
35,000
24.00
US$840,000
35,000 24.00 US$840,000
2025-09-24 2025-09-24 PlS Planned sale

Chief Technology & Quality Ofc

Officer
35,000 -22.4%
24.00
US$840,000
35,000 -22.4% 24.00 US$840,000
2025-09-16 2025-09-16 PrS Proposed sale

Officer

Officer
8,172
22.06
US$180,274
8,172 22.06 US$180,274
2025-09-16 2025-09-16 PlS Planned sale

President, Orexin Program

Officer
742 -0.4%
22.02
US$16,340
742 -0.4% 22.02 US$16,340
2025-09-16 2025-09-16 PlS Planned sale

President, Orexin Program

Officer
7,430 -3.6%
21.33
US$158,506
7,430 -3.6% 21.33 US$158,506
2025-09-15 2025-09-15 PrS Proposed sale

Officer

Officer
6,000
21.81
US$130,860
6,000 21.81 US$130,860
2025-09-15 2025-09-15 PlS Planned sale

General Counsel

Officer
6,000 -5.4%
21.85
US$131,101
6,000 -5.4% 21.85 US$131,101
2025-09-11 2025-09-10 PlS Planned sale

Chief Technology & Quality Ofc

Officer
25,000 -17.1%
22.00
US$550,000
25,000 -17.1% 22.00 US$550,000
2025-09-11 2025-09-10 PlS Planned sale

General Counsel

Officer
20,000 -16.0%
22.00
US$440,000
20,000 -16.0% 22.00 US$440,000
2025-09-10 2025-09-10 PrS Proposed sale

Officer

Officer
25,000
22.00
US$550,000
25,000 22.00 US$550,000
2025-09-10 2025-09-10 PrS Proposed sale

Officer

Officer
20,000
22.00
US$440,000
20,000 22.00 US$440,000
2025-09-11 2025-09-09 PlS Planned sale

Chief Technology & Quality Ofc

Officer
24,792 -16.9%
20.00
US$495,840
24,792 -16.9% 20.00 US$495,840
2025-09-11 2025-09-09 PlS Planned sale

General Counsel

Officer
20,000 -16.0%
20.01
US$400,102
20,000 -16.0% 20.01 US$400,102
2025-09-11 2025-09-09 PlS Planned sale

President, Orexin Program

Officer
7,000 -3.3%
20.00
US$140,000
7,000 -3.3% 20.00 US$140,000
2025-09-09 2025-09-09 PrS Proposed sale

Officer

Officer
24,792
20.00
US$495,840
24,792 20.00 US$495,840
2025-09-09 2025-09-09 PrS Proposed sale

Officer

Officer
7,000
20.00
US$140,000
7,000 20.00 US$140,000
2025-09-09 2025-09-09 PrS Proposed sale

Officer

Officer
20,000
20.01
US$400,102
20,000 20.01 US$400,102
2025-08-15 2025-08-15 PrS Proposed sale

Officer

Officer
6,000
17.23
US$103,380
6,000 17.23 US$103,380
2025-08-15 2025-08-15 PlS Planned sale

General Counsel

Officer
6,000 -5.4%
17.23
US$103,380
6,000 -5.4% 17.23 US$103,380
2025-07-29 2025-07-29 PrS Proposed sale

Officer

Officer
8,322
15.37
US$127,909
8,322 15.37 US$127,909
2025-07-25 2025-07-25 PrS Proposed sale

Officer

Officer
10,000
15.56
US$155,598
10,000 15.56 US$155,598
2025-07-25 2025-07-25 PlS Planned sale

Chief Business Officer

Officer
10,000 -7.6%
15.56
US$155,598
10,000 -7.6% 15.56 US$155,598
2025-07-21 2025-07-21 PrS Proposed sale

Officer; CEO

Officer
55,000
15.99
US$879,450
55,000 15.99 US$879,450
2025-07-21 2025-07-21 PlS Planned sale

Chief Executive Officer

Executive Director
55,000 -19.9%
15.92
US$875,600
55,000 -19.9% 15.92 US$875,600
2025-07-17 2025-07-17 PrS Proposed sale

Officer

Officer
5,000
16.00
US$80,000
5,000 16.00 US$80,000
2025-07-17 2025-07-15 PrS Proposed sale

Officer

Officer
10,000
14.92
US$149,182
10,000 14.92 US$149,182
2025-07-17 2025-07-15 PlS Planned sale

General Counsel

Officer
6,000 -5.4%
14.93
US$89,567
6,000 -5.4% 14.93 US$89,567
2025-07-15 2025-07-15 PrS Proposed sale

Officer

Officer
6,000
14.93
US$89,567
6,000 14.93 US$89,567
2025-06-25 2025-06-25 PrS Proposed sale

Officer

Officer
10,000
14.00
US$140,000
10,000 14.00 US$140,000
2025-06-25 2025-06-25 PlS Planned sale

Chief Business Officer

Officer
10,000 -7.6%
13.86
US$138,642
10,000 -7.6% 13.86 US$138,642
2025-06-25 2025-06-24 PrS Proposed sale

Officer

Officer
15,000
14.00
US$210,000
15,000 14.00 US$210,000
2025-06-25 2025-06-24 PlS Planned sale

President, Orexin Program

Officer
15,000 -6.5%
14.00
US$210,000
15,000 -6.5% 14.00 US$210,000
2025-06-25 2025-06-24 PlS Planned sale

General Counsel

Officer
12,000 -10.2%
14.02
US$168,218
12,000 -10.2% 14.02 US$168,218
2025-06-24 2025-06-24 PrS Proposed sale

Officer

Officer
12,000
14.02
US$168,218
12,000 14.02 US$168,218
2025-06-20 2025-06-20 PrS Proposed sale

Officer

Officer
10,000
12.87
US$128,650
10,000 12.87 US$128,650
2025-06-20 2025-06-20 PrS Proposed sale

Officer; CEO

Officer
55,000
12.87
US$707,575
55,000 12.87 US$707,575
2025-06-20 2025-06-20 PlS Planned sale

Chief Executive Officer

Executive Director
55,000 -19.9%
12.63
US$694,826
55,000 -19.9% 12.63 US$694,826
2025-05-27 2025-05-27 PrS Proposed sale

Officer

Officer
10,000
12.82
US$128,225
10,000 12.82 US$128,225
2025-05-27 2025-05-27 PlS Planned sale

Chief Business Officer

Officer
10,000 -7.6%
12.82
US$128,225
10,000 -7.6% 12.82 US$128,225