Certara Inc (CERT)

The most recent insider transaction at Certara Inc. was a BUY by CEO William F. Feehery on November 11, 2025. Prior to this, significant PLANNED_SALE and PROPOSED_SALE transactions occurred in September 2025 and April 2025, primarily involving President Leif E. Pedersen and Officer Patrick F. Smith. The latest trading activity indicates a notable buy from the CEO.
Stock chart
Ticker: CERT Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Feehery William F
CHIEF EXECUTIVE OFFICER
1 purchase — total 200,000 USD
Buy 11 Nov 2025
Value US$4,266,853.94 | Price 322.69 | Shares 2,596
Planned sale 9 Sep 2025
Value US$4,099,612.56 | Price 144.74 | Shares 60,829
Proposed sale 9 Sep 2025
Value US$672,601.07 | Price 15.44 | Shares 56,166
Proposed sale 2 Apr 2025
Value US$195,981.66 | Price 9.73 | Shares 20,142
Planned sale 7 Oct 2024
Value US$59,661.27 | Price 11.03 | Shares 5,409
Proposed sale 7 Oct 2024
Value US$59,661.27 | Price 11.03 | Shares 5,409
Planned sale 9 Sep 2024
Value US$578,318.96 | Price 11.29 | Shares 51,224
Proposed sale 9 Sep 2024
Value US$578,450.33 | Price 11.29 | Shares 51,224
Planned sale 2 Apr 2024
Value US$7,498.94 | Price 17.77 | Shares 422
Planned sale 2 Apr 2024
Value US$79,489.80 | Price 16.77 | Shares 4,740
Planned sale 2 Apr 2024
Value US$5,795.76 | Price 17.67 | Shares 328
Planned sale 2 Apr 2024
Value US$50,652.00 | Price 16.75 | Shares 3,024
Planned sale 2 Apr 2024
Value US$11,500.28 | Price 17.72 | Shares 649
Planned sale 2 Apr 2024
Value US$88,224.64 | Price 16.76 | Shares 5,264
Proposed sale 2 Apr 2024
Value US$254,203.74 | Price 17.62 | Shares 14,427
Planned sale 1 Apr 2024
Value US$54,000.00 | Price 18.00 | Shares 3,000
Proposed sale 1 Apr 2024
Value US$54,000.00 | Price 18.00 | Shares 3,000
Planned sale 4 Mar 2024
Value US$54,840.00 | Price 18.28 | Shares 3,000
Proposed sale 4 Mar 2024
Value US$54,840.00 | Price 18.28 | Shares 3,000
Planned sale 20 Feb 2024
Value US$90,000.00 | Price 18.00 | Shares 5,000
Proposed sale 20 Feb 2024
Value US$90,000.00 | Price 18.00 | Shares 5,000
Planned sale 12 Feb 2024
Value US$108,000.00 | Price 18.00 | Shares 6,000
Proposed sale 12 Feb 2024
Value US$108,000.00 | Price 18.00 | Shares 6,000
Planned sale 26 Dec 2023
Value US$108,000.00 | Price 18.00 | Shares 6,000
Proposed sale 26 Dec 2023
Value US$108,000.00 | Price 18.00 | Shares 6,000
Planned sale 11 Sep 2023
Value US$747,870.40 | Price 14.60 | Shares 51,224
Proposed sale 11 Sep 2023
Value US$748,065.37 | Price 14.60 | Shares 51,224
Buy 22 Aug 2023
Value US$75,950.60 | Price 15.80 | Shares 4,807
Buy 21 Aug 2023
Value US$3,107.30 | Price 16.10 | Shares 193
Planned sale 5 Jun 2023
Value US$411,691.20 | Price 21.55 | Shares 19,104
Proposed sale 5 Jun 2023
Value US$411,691.20 | Price 21.55 | Shares 19,104
Planned sale 11 May 2023
Value US$104,100.00 | Price 20.82 | Shares 5,000
Proposed sale 11 May 2023
Value US$104,100.00 | Price 20.82 | Shares 5,000
Planned sale 14 Apr 2023
Value US$118,300.00 | Price 23.66 | Shares 5,000
Proposed sale 14 Apr 2023
Value US$118,300.00 | Price 23.66 | Shares 5,000
Planned sale 6 Mar 2023
Value US$214,500.00 | Price 21.45 | Shares 10,000
Proposed sale 6 Mar 2023
Value US$214,500.00 | Price 21.45 | Shares 10,000
Planned sale 2 Feb 2023
Value US$300,000.00 | Price 20.00 | Shares 15,000
Sale 8 Dec 2022
Value US$449,317,815.00 | Price 15.00 | Shares 29,954,521
Planned sale 22 Nov 2022
Value US$796,517.65 | Price 15.55 | Shares 51,223
Sale 15 Nov 2022
Value US$3,826,997.01 | Price 15.57 | Shares 245,793
Sale 14 Nov 2022
Value US$64,240.89 | Price 15.27 | Shares 4,207
Sale 14 Nov 2022
Value US$177,749.66 | Price 14.74 | Shares 12,059
Planned sale 9 Nov 2022
Value US$32,176.76 | Price 13.48 | Shares 2,387
Buy 19 Aug 2022
Value US$326,400.00 | Price 16.32 | Shares 20,000
Buy 17 Aug 2022
Value US$416,000.00 | Price 16.64 | Shares 25,000
Planned sale 16 Aug 2022
Value US$177,100.00 | Price 17.71 | Shares 10,000
Sale 16 Aug 2022
Value US$3,171,415.50 | Price 17.38 | Shares 182,475
Sale 16 Aug 2022
Value US$104,356,784.84 | Price 17.38 | Shares 6,004,418
Planned sale 8 Jun 2022
Value US$191,600.00 | Price 19.16 | Shares 10,000
Sale 2 Jun 2022
Value US$976,000.00 | Price 19.52 | Shares 50,000
Sale 2 Jun 2022
Value US$1,959,000.00 | Price 19.59 | Shares 100,000
Sale 2 Jun 2022
Value US$1,955,000.00 | Price 19.55 | Shares 100,000
Sale 31 May 2022
Value US$28,500,000.00 | Price 19.00 | Shares 1,500,000
Planned sale 4 Apr 2022
Value US$74,716.08 | Price 22.29 | Shares 3,352
Sale 17 Mar 2022
Value US$2,531,250.00 | Price 20.25 | Shares 125,000
Sale 16 Mar 2022
Value US$2,521,250.00 | Price 20.17 | Shares 125,000
Planned sale 16 Mar 2022
Value US$60,000.00 | Price 20.00 | Shares 3,000
Planned sale 16 Mar 2022
Value US$1,260,322.45 | Price 20.17 | Shares 62,485
Planned sale 11 Mar 2022
Value US$558,279.35 | Price 20.29 | Shares 27,515
Planned sale 18 Feb 2022
Value US$112,614.58 | Price 23.93 | Shares 4,706
Planned sale 18 Feb 2022
Value US$1,638,553.14 | Price 23.31 | Shares 70,294
Planned sale 17 Feb 2022
Value US$166,143.82 | Price 25.49 | Shares 6,518
Planned sale 17 Feb 2022
Value US$749,769.75 | Price 24.93 | Shares 30,075
Planned sale 17 Feb 2022
Value US$1,272,688.81 | Price 23.83 | Shares 53,407
Planned sale 1 Feb 2022
Value US$396,666.80 | Price 26.80 | Shares 14,801
Planned sale 1 Feb 2022
Value US$933,829.47 | Price 26.53 | Shares 35,199
Planned sale 26 Jan 2022
Value US$78,030.00 | Price 26.01 | Shares 3,000
Planned sale 26 Jan 2022
Value US$1,314,201.32 | Price 25.67 | Shares 51,196
Planned sale 26 Jan 2022
Value US$588,434.88 | Price 24.72 | Shares 23,804
Planned sale 20 Jan 2022
Value US$137,500.00 | Price 27.50 | Shares 5,000
Planned sale 18 Jan 2022
Value US$137,200.00 | Price 27.44 | Shares 5,000
Planned sale 3 Jan 2022
Value US$279,471.76 | Price 28.88 | Shares 9,677
Planned sale 3 Jan 2022
Value US$1,152,028.11 | Price 28.57 | Shares 40,323
Planned sale 22 Dec 2021
Value US$576,781.00 | Price 29.00 | Shares 19,889
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
2025-11-12 2025-11-11 B Purchase

CHIEF EXECUTIVE OFFICER

Executive Director
2,596 +11.7%
322.69
US$4,266,854
2,596 +11.7% 322.69 US$4,266,854
2025-09-11 2025-09-09 PlS Planned sale

PRESIDENT, CHIEF COMMERCAL OFF

Officer
60,829 -2.3%
144.74
US$4,099,613
60,829 -2.3% 144.74 US$4,099,613
2025-09-09 2025-09-09 PrS Proposed sale

Officer

Officer
56,166
15.44
US$672,601
56,166 15.44 US$672,601
2025-04-02 2025-04-02 PrS Proposed sale

Officer

Officer
20,142
9.73
US$195,982
20,142 9.73 US$195,982
2024-10-08 2024-10-07 PlS Planned sale

PRESIDENT, DRUG DEV SOLUTIONS

Officer
5,409 -9.7%
11.03
US$59,661
5,409 -9.7% 11.03 US$59,661
2024-10-07 2024-10-07 PrS Proposed sale

Officer

Officer
5,409
11.03
US$59,661
5,409 11.03 US$59,661
2024-09-10 2024-09-09 PlS Planned sale

PRESIDENT, CHIEF COMMERCAL OFF

Officer
51,224 -33.9%
11.29
US$578,319
51,224 -33.9% 11.29 US$578,319
2024-09-09 2024-09-09 PrS Proposed sale

Officer

Officer
51,224
11.29
US$578,450
51,224 11.29 US$578,450
2024-04-04 2024-04-02 PlS Planned sale

PRESIDENT, DRUG DEV SOLUTIONS

Officer
422 -0.8%
17.77
US$7,499
422 -0.8% 17.77 US$7,499
2024-04-04 2024-04-02 PlS Planned sale

PRESIDENT, DRUG DEV SOLUTIONS

Officer
4,740 -8.6%
16.77
US$79,490
4,740 -8.6% 16.77 US$79,490
2024-04-04 2024-04-02 PlS Planned sale

PRESIDENT, DRUG DEV SOLUTIONS

Officer
328 -0.6%
17.67
US$5,796
328 -0.6% 17.67 US$5,796
2024-04-04 2024-04-02 PlS Planned sale

PRESIDENT, DRUG DEV SOLUTIONS

Officer
3,024 -5.2%
16.75
US$50,652
3,024 -5.2% 16.75 US$50,652
2024-04-04 2024-04-02 PlS Planned sale

PRESIDENT, DRUG DEV SOLUTIONS

Officer
649 -1.1%
17.72
US$11,500
649 -1.1% 17.72 US$11,500
2024-04-04 2024-04-02 PlS Planned sale

PRESIDENT, DRUG DEV SOLUTIONS

Officer
5,264 -8.2%
16.76
US$88,225
5,264 -8.2% 16.76 US$88,225
2024-04-02 2024-04-02 PrS Proposed sale

Officer

Officer
14,427
17.62
US$254,204
14,427 17.62 US$254,204
2024-04-03 2024-04-01 PlS Planned sale

SVP AND GENERAL COUNSEL

Officer
3,000 -1.7%
18.00
US$54,000
3,000 -1.7% 18.00 US$54,000
2024-04-01 2024-04-01 PrS Proposed sale

Officer

Officer
3,000
18.00
US$54,000
3,000 18.00 US$54,000
2024-03-05 2024-03-04 PlS Planned sale

SVP AND GENERAL COUNSEL

Officer
3,000 -1.8%
18.28
US$54,840
3,000 -1.8% 18.28 US$54,840
2024-03-04 2024-03-04 PrS Proposed sale

Officer

Officer
3,000
18.28
US$54,840
3,000 18.28 US$54,840
2024-02-21 2024-02-20 PlS Planned sale

PRESIDENT, DRUG DEV SOLUTIONS

Officer
5,000 -8.3%
18.00
US$90,000
5,000 -8.3% 18.00 US$90,000
2024-02-20 2024-02-20 PrS Proposed sale

Officer

Officer
5,000
18.00
US$90,000
5,000 18.00 US$90,000
2024-02-14 2024-02-12 PlS Planned sale

SVP AND GENERAL COUNSEL

Officer
6,000 -3.5%
18.00
US$108,000
6,000 -3.5% 18.00 US$108,000
2024-02-12 2024-02-12 PrS Proposed sale

Officer

Officer
6,000
18.00
US$108,000
6,000 18.00 US$108,000
2023-12-27 2023-12-26 PlS Planned sale

SVP AND GENERAL COUNSEL

Officer
6,000 -3.4%
18.00
US$108,000
6,000 -3.4% 18.00 US$108,000
2023-12-26 2023-12-26 PrS Proposed sale

Officer

Officer
6,000
18.00
US$108,000
6,000 18.00 US$108,000
2023-09-12 2023-09-11 PlS Planned sale

PRESIDENT, CHIEF COMMERCAL OFF

Officer
51,224 -28.4%
14.60
US$747,870
51,224 -28.4% 14.60 US$747,870
2023-09-11 2023-09-11 PrS Proposed sale

Officer

Officer
51,224
14.60
US$748,065
51,224 14.60 US$748,065
2023-08-23 2023-08-22 B Purchase Non-Executive Director
4,807 +50.3%
15.80
US$75,951
4,807 +50.3% 15.80 US$75,951
2023-08-23 2023-08-21 B Purchase Non-Executive Director
193 +2.1%
16.10
US$3,107
193 +2.1% 16.10 US$3,107
2023-06-06 2023-06-05 PlS Planned sale

PRESIDENT, INTEGRATED DRUG DEV

Officer
19,104 -24.2%
21.55
US$411,691
19,104 -24.2% 21.55 US$411,691
2023-06-05 2023-06-05 PrS Proposed sale

Officer

Officer
19,104
21.55
US$411,691
19,104 21.55 US$411,691
2023-05-15 2023-05-11 PlS Planned sale

SVP AND GENERAL COUNSEL

Officer
5,000 -2.7%
20.82
US$104,100
5,000 -2.7% 20.82 US$104,100
2023-05-11 2023-05-11 PrS Proposed sale

Officer

Officer
5,000
20.82
US$104,100
5,000 20.82 US$104,100
2023-04-17 2023-04-14 PlS Planned sale

SVP AND GENERAL COUNSEL

Officer
5,000 -2.7%
23.66
US$118,300
5,000 -2.7% 23.66 US$118,300
2023-04-14 2023-04-14 PrS Proposed sale

Officer

Officer
5,000
23.66
US$118,300
5,000 23.66 US$118,300
2023-03-07 2023-03-06 PlS Planned sale

SVP AND GENERAL COUNSEL

Officer
10,000 -5.1%
21.45
US$214,500
10,000 -5.1% 21.45 US$214,500
2023-03-06 2023-03-06 PrS Proposed sale

Officer

Officer
10,000
21.45
US$214,500
10,000 21.45 US$214,500
2023-02-03 2023-02-02 PlS Planned sale

SVP AND GENERAL COUNSEL

Officer
15,000 -7.2%
20.00
US$300,000
15,000 -7.2% 20.00 US$300,000
2022-12-12 2022-12-08 S Sale Large shareholder
29,954,521 -100.0%
15.00
US$449,317,815
29,954,521 -100.0% 15.00 US$449,317,815
2022-11-23 2022-11-22 PlS Planned sale

PRESIDENT, SOFTWARE

Officer
51,223 -22.6%
15.55
US$796,518
51,223 -22.6% 15.55 US$796,518
2022-11-16 2022-11-15 S Sale Non-Executive Director
245,793 -27.1%
15.57
US$3,826,997
245,793 -27.1% 15.57 US$3,826,997
2022-11-16 2022-11-14 S Sale Non-Executive Director
4,207 -0.5%
15.27
US$64,241
4,207 -0.5% 15.27 US$64,241
2022-11-15 2022-11-14 S Sale Non-Executive Director
12,059 -6.7%
14.74
US$177,750
12,059 -6.7% 14.74 US$177,750
2022-11-14 2022-11-09 PlS Planned sale

PRESIDENT, INTEGRATED DRUG DEV

Officer
2,387 -3.1%
13.48
US$32,177
2,387 -3.1% 13.48 US$32,177
2022-08-23 2022-08-19 B Purchase Non-Executive Director
20,000 +90.9%
16.32
US$326,400
20,000 +90.9% 16.32 US$326,400
2022-08-18 2022-08-17 B Purchase

CHIEF FINANCIAL OFFICER

Officer
25,000 +5.1%
16.64
US$416,000
25,000 +5.1% 16.64 US$416,000
2022-08-18 2022-08-16 PlS Planned sale

PRESIDENT, INTEGRATED DRUG DEV

Officer
10,000 -11.3%
17.71
US$177,100
10,000 -11.3% 17.71 US$177,100
2022-08-17 2022-08-16 S Sale Non-Executive Director
182,475 -16.7%
17.38
US$3,171,416
182,475 -16.7% 17.38 US$3,171,416
2022-08-17 2022-08-16 S Sale Large shareholder
6,004,418 -16.7%
17.38
US$104,356,785
6,004,418 -16.7% 17.38 US$104,356,785
2022-06-09 2022-06-08 PlS Planned sale

PRESIDENT, INTEGRATED DRUG DEV

Officer
10,000 -10.2%
19.16
US$191,600
10,000 -10.2% 19.16 US$191,600
2022-06-03 2022-06-02 S Sale Non-Executive Director
50,000 -4.4%
19.52
US$976,000
50,000 -4.4% 19.52 US$976,000
2022-06-03 2022-06-02 S Sale Non-Executive Director
100,000 -8.0%
19.59
US$1,959,000
100,000 -8.0% 19.59 US$1,959,000
2022-06-03 2022-06-02 S Sale Non-Executive Director
100,000 -7.4%
19.55
US$1,955,000
100,000 -7.4% 19.55 US$1,955,000
2022-06-01 2022-05-31 S Sale Large shareholder
1,500,000 -4.0%
19.00
US$28,500,000
1,500,000 -4.0% 19.00 US$28,500,000
2022-04-05 2022-04-04 PlS Planned sale

PRESIDENT, INTEGRATED DRUG DEV

Officer
3,352 -3.3%
22.29
US$74,716
3,352 -3.3% 22.29 US$74,716
2022-03-18 2022-03-17 S Sale Non-Executive Director
125,000 -8.5%
20.25
US$2,531,250
125,000 -8.5% 20.25 US$2,531,250
2022-03-18 2022-03-16 S Sale Non-Executive Director
125,000 -7.8%
20.17
US$2,521,250
125,000 -7.8% 20.17 US$2,521,250
2022-03-18 2022-03-16 PlS Planned sale

SVP AND GENERAL COUNSEL

Officer
3,000 -1.4%
20.00
US$60,000
3,000 -1.4% 20.00 US$60,000
2022-03-17 2022-03-16 PlS Planned sale

CHIEF EXECUTIVE OFFICER

Executive Director
62,485 -2.8%
20.17
US$1,260,322
62,485 -2.8% 20.17 US$1,260,322
2022-03-14 2022-03-11 PlS Planned sale

CHIEF EXECUTIVE OFFICER

Executive Director
27,515 -1.2%
20.29
US$558,279
27,515 -1.2% 20.29 US$558,279
2022-02-22 2022-02-18 PlS Planned sale

CHIEF EXECUTIVE OFFICER

Executive Director
4,706 -0.2%
23.93
US$112,615
4,706 -0.2% 23.93 US$112,615
2022-02-22 2022-02-18 PlS Planned sale

CHIEF EXECUTIVE OFFICER

Executive Director
70,294 -3.0%
23.31
US$1,638,553
70,294 -3.0% 23.31 US$1,638,553
2022-02-22 2022-02-17 PlS Planned sale

CHIEF EXECUTIVE OFFICER

Executive Director
6,518 -0.3%
25.49
US$166,144
6,518 -0.3% 25.49 US$166,144
2022-02-22 2022-02-17 PlS Planned sale

CHIEF EXECUTIVE OFFICER

Executive Director
30,075 -1.3%
24.93
US$749,770
30,075 -1.3% 24.93 US$749,770
2022-02-22 2022-02-17 PlS Planned sale

CHIEF EXECUTIVE OFFICER

Executive Director
53,407 -2.2%
23.83
US$1,272,689
53,407 -2.2% 23.83 US$1,272,689
2022-02-02 2022-02-01 PlS Planned sale Non-Executive Director
14,801 -0.9%
26.80
US$396,667
14,801 -0.9% 26.80 US$396,667
2022-02-02 2022-02-01 PlS Planned sale Non-Executive Director
35,199 -2.1%
26.53
US$933,829
35,199 -2.1% 26.53 US$933,829
2022-01-27 2022-01-26 PlS Planned sale

SVP AND GENERAL COUNSEL

Officer
3,000 -1.4%
26.01
US$78,030
3,000 -1.4% 26.01 US$78,030
2022-01-27 2022-01-26 PlS Planned sale

CHIEF EXECUTIVE OFFICER

Executive Director
51,196 -2.1%
25.67
US$1,314,201
51,196 -2.1% 25.67 US$1,314,201
2022-01-27 2022-01-26 PlS Planned sale

CHIEF EXECUTIVE OFFICER

Executive Director
23,804 -0.9%
24.72
US$588,435
23,804 -0.9% 24.72 US$588,435
2022-01-21 2022-01-20 PlS Planned sale

PRES., REGULATORY & ACCESS

Officer
5,000 -1.2%
27.50
US$137,500
5,000 -1.2% 27.50 US$137,500
2022-01-20 2022-01-18 PlS Planned sale

SVP AND GENERAL COUNSEL

Officer
5,000 -2.2%
27.44
US$137,200
5,000 -2.2% 27.44 US$137,200
2022-01-04 2022-01-03 PlS Planned sale Non-Executive Director
9,677 -0.6%
28.88
US$279,472
9,677 -0.6% 28.88 US$279,472
2022-01-04 2022-01-03 PlS Planned sale Non-Executive Director
40,323 -2.4%
28.57
US$1,152,028
40,323 -2.4% 28.57 US$1,152,028
2021-12-23 2021-12-22 PlS Planned sale Non-Executive Director
19,889 -4.1%
29.00
US$576,781
19,889 -4.1% 29.00 US$576,781