Teradata Corp (TDC)

Teradata Corp experienced significant insider selling over the past ninety days, totaling over 500,000 dollars in net value. Key executives, including the CEO and Chief Revenue Officer, offloaded shares through planned divestments. This activity coincides with a 15.2 percent stock price decline, despite the company reporting positive results during its most recent earnings report.
Ticker: TDC Exchange: NYS


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Insider trades have triggered activity signals for Teradata Corp. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.6
CHOU TIMOTHY C K Non-Executive Director
Transaction date
Planned sale
Price
392.90
Quantity 63,557 +20.8%
Value US$4,884,925
3.6
CHOU TIMOTHY C K Director Non-Executive Director
Transaction date
Proposed sale
Price
385.50
Quantity 90,882
Value US$3,381,838
Petley Richard J Chief Revenue Officer Officer
Transaction date
Planned sale
Price
41.37
Quantity 73,650 +21.4%
Value US$51,528
Petley Richard J Chief Revenue Officer Officer
Transaction date
Planned sale
Price
35.00
Quantity 16,237 -7.9%
Value US$568,295
Petley Richard J Officer Officer
Transaction date
Proposed sale
Price
35.00
Quantity 17,227
Value US$602,952
3.0
McElhatton Todd Non-Executive Director
Transaction date
Sale
Price
33.47
Quantity 15,000 -36.0%
Value US$502,022
3.0
McElhatton Todd Director Non-Executive Director
Transaction date
Proposed sale
Price
33.47
Quantity 15,000
Value US$502,022
1.7
Arora Sumeet Chief Product Officer Officer
Transaction date
Planned sale
Price
33.00
Quantity 15,000 -5.6%
Value US$495,000
1.7
Arora Sumeet Officer Officer
Transaction date
Proposed sale
Price
33.00
Quantity 15,000
Value US$495,000
3.4
MCMILLAN STEPHEN President and CEO Executive Director
Transaction date
Sale
Price
31.71
Quantity 20,000 -2.6%
Value US$634,158
3.4
STEPHEN MCMILLAN Officer Officer
Transaction date
Proposed sale
Price
31.71
Quantity 20,000
Value US$634,158
1.7
Arora Sumeet Chief Product Officer Officer
Transaction date
Planned sale
Price
30.84
Quantity 2,645 -0.9%
Value US$81,572
Petley Richard J Chief Revenue Officer Officer
Transaction date
Planned sale
Price
30.84
Quantity 34,317 -14.2%
Value US$1,058,336
1.7
Arora Sumeet Officer Officer
Transaction date
Proposed sale
Price
30.84
Quantity 2,645
Value US$81,572
Petley Richard J Officer Officer
Transaction date
Proposed sale
Price
30.84
Quantity 34,317
Value US$1,058,336
3.4
MCMILLAN STEPHEN President and CEO Executive Director
Transaction date
Sale
Price
30.26
Quantity 50,000 -7.0%
Value US$1,513,125
3.4
STEPHEN MCMILLAN Officer Officer
Transaction date
Proposed sale
Price
30.26
Quantity 50,000
Value US$1,513,125
3.5
Gianoni Michael P Non-Executive Director
Transaction date
Sale
Price
29.97
Quantity 25,000 -44.2%
Value US$749,125
3.5
Gianoni Michael P Director Non-Executive Director
Transaction date
Proposed sale
Price
29.97
Quantity 25,000
Value US$749,125
3.2
Lynrock Lake LP Large shareholder
Transaction date
Sale
Price
41.19
Quantity 10,669 -0.1%
Value US$439,474
3.2
Lynrock Lake LP Large shareholder
Transaction date
Sale
Price
40.24
Quantity 40,807 -0.4%
Value US$1,641,959
3.2
Lynrock Lake LP Large shareholder
Transaction date
Sale
Price
39.57
Quantity 10,514 -0.1%
Value US$416,074
Lynrock Lake Master Fund LP 10% Stockholder Large shareholder
Transaction date
Proposed sale
Price
29.23
Quantity 10,256
Value US$299,783
Lynrock Lake Master Fund LP 10% Stockholder Large shareholder
Transaction date
Proposed sale
Price
29.23
Quantity 37,239
Value US$1,088,496
2.8
Treese Margaret A Officer Officer
Transaction date
Proposed sale
Price
21.06
Quantity 75,060
Value US$1,580,457
3.6
CHOU TIMOTHY C K Non-Executive Director
Transaction date
Planned sale
Price
21.83
Quantity 6,216 -14.7%
Value US$135,695
3.6
CHOU TIMOTHY C K Director Non-Executive Director
Transaction date
Proposed sale
Price
21.83
Quantity 6,216
Value US$135,695
2.8
BRAMLEY CLAIRE Chief Financial Officer Officer
Transaction date
Sale
Price
23.52
Quantity 100 -0.1%
Value US$2,352
2.8
BRAMLEY CLAIRE Chief Financial Officer Officer
Transaction date
Sale
Price
22.83
Quantity 19,839 -15.8%
Value US$452,825
2.8
BRAMLEY CLAIRE Chief Financial Officer Officer
Transaction date
Sale
Price
23.50
Quantity 300 -0.2%
Value US$7,050
2.8
BRAMLEY CLAIRE Chief Financial Officer Officer
Transaction date
Sale
Price
22.82
Quantity 15,225 -10.8%
Value US$347,419
2.8
BRAMLEY CLAIRE Officer Officer
Transaction date
Proposed sale
Price
23.17
Quantity 35,464
Value US$821,701
3.3
Cullen-Cote Kathleen R Chief People Officer Officer
Transaction date
Sale
Price
22.88
Quantity 1,755 -1.2%
Value US$40,154
3.3
Cullen-Cote Kathleen R Officer Officer
Transaction date
Proposed sale
Price
22.88
Quantity 1,755
Value US$40,154
3.3
Cullen-Cote Kathleen R Chief People Officer Officer
Transaction date
Sale
Price
23.16
Quantity 1,881 -1.3%
Value US$43,564
2.1
Ashton Hillary Former Officer Officer
Transaction date
Proposed sale
Price
23.22
Quantity 28,341
Value US$657,983
3.3
Cullen-Cote Kathleen R Officer Officer
Transaction date
Proposed sale
Price
23.16
Quantity 1,881
Value US$43,564
3.3
Cullen-Cote Kathleen R Chief People Officer Officer
Transaction date
Planned sale
Price
23.87
Quantity 5,955 -5.2%
Value US$142,146
3.3
Cullen-Cote Kathleen R Officer Officer
Transaction date
Proposed sale
Price
23.87
Quantity 5,955
Value US$142,146
3.3
Cullen-Cote Kathleen R Chief People Officer Officer
Transaction date
Planned sale
Price
23.39
Quantity 2,353 -2.0%
Value US$55,037
3.3
Cullen-Cote Kathleen R Officer Officer
Transaction date
Proposed sale
Price
23.39
Quantity 2,353
Value US$55,037
3.4
STEPHEN MCMILLAN Director; Officer Executive Director
Transaction date
Proposed sale
Price
29.31
Quantity 20,000
Value US$586,200
3.4
MCMILLAN STEPHEN President and CEO Executive Director
Transaction date
Sale
Price
30.00
Quantity 20,000 -5.1%
Value US$600,086
2.1
Ashton Hillary Chief Product Officer Officer
Transaction date
Sale
Price
29.10
Quantity 54,610 -45.0%
Value US$1,589,096
2.1
Ashton Hillary Officer Officer
Transaction date
Proposed sale
Price
29.10
Quantity 54,610
Value US$1,589,138
2.1
Ashton Hillary Chief Product Officer Officer
Transaction date
Sale
Price
27.53
Quantity 14,962 -11.0%
Value US$411,904
3.3
Cullen-Cote Kathleen R Chief People Officer Officer
Transaction date
Sale
Price
27.51
Quantity 7,779 -6.8%
Value US$214,000
2.1
Ashton Hillary Officer Officer
Transaction date
Proposed sale
Price
27.53
Quantity 14,962
Value US$411,904
3.3
Cullen-Cote Kathleen R Officer Officer
Transaction date
Proposed sale
Price
27.51
Quantity 7,779
Value US$214,000
2.8
Treese Margaret A Chief Legal Officer Officer
Transaction date
Sale
Price
28.51
Quantity 5,500 -5.4%
Value US$156,778
2.8
Treese Margaret A Officer Officer
Transaction date
Proposed sale
Price
28.51
Quantity 5,500
Value US$156,778
3.3
Cullen-Cote Kathleen R Chief People Officer Officer
Transaction date
Sale
Price
25.94
Quantity 9,683 -7.8%
Value US$251,177
3.3
Cullen-Cote Kathleen R Officer Officer
Transaction date
Proposed sale
Price
25.94
Quantity 9,683
Value US$251,177
3.4
MCMILLAN STEPHEN President and CEO Executive Director
Transaction date
Sale
Price
32.74
Quantity 100 -0.0%
Value US$3,274
3.4
MCMILLAN STEPHEN President and CEO Executive Director
Transaction date
Sale
Price
31.94
Quantity 9,900 -2.5%
Value US$316,206
3.4
STEPHEN MCMILLAN Director; Officer Executive Director
Transaction date
Proposed sale
Price
32.66
Quantity 20,000
Value US$653,200
3.6
CHOU TIMOTHY C K Non-Executive Director
Transaction date
Sale
Price
33.43
Quantity 6,356 -17.1%
Value US$212,462
3.6
CHOU TIMOTHY C K Director Non-Executive Director
Transaction date
Proposed sale
Price
33.43
Quantity 6,356
Value US$212,464
2.9
Hutchinson Michael D Chief Customer Officer Officer
Transaction date
Sale
Price
32.96
Quantity 18,500 -25.1%
Value US$609,797
2.9
Hutchinson Michael D Officer Officer
Transaction date
Proposed sale
Price
32.96
Quantity 18,500
Value US$609,793
2.6
Cione Todd Former Officer Officer
Transaction date
Proposed sale
Price
32.82
Quantity 62,945
Value US$2,065,986
3.6
Woods Jacqueline D. Chief Marketing Officer Officer
Transaction date
Sale
Price
38.34
Quantity 1,350 -1.7%
Value US$51,754
3.6
Woods Jacqueline D. Officer Officer
Transaction date
Proposed sale
Price
38.34
Quantity 1,350
Value US$51,753
3.6
Woods Jacqueline D. Chief Marketing Officer Officer
Transaction date
Sale
Price
38.67
Quantity 4,324 -5.1%
Value US$167,224
3.6
Woods Jacqueline D. Chief Marketing Officer Officer
Transaction date
Sale
Price
38.62
Quantity 2,946 -3.3%
Value US$113,783
3.6
Jacqueline D Woods Affiliate
Transaction date
Proposed sale
Price
37.71
Quantity 2,946
Value US$111,094
3.6
Woods Jacqueline D. Officer Officer
Transaction date
Proposed sale
Price
38.67
Quantity 4,324
Value US$167,224
3.3
Cullen-Cote Kathleen R Officer Officer
Transaction date
Proposed sale
Price
37.70
Quantity 26,275
Value US$990,568
3.3
Cullen-Cote Kathleen R Chief People Officer Officer
Transaction date
Planned sale
Price
37.57
Quantity 26,275 -17.1%
Value US$987,231
2.1
Ashton Hillary Chief Product Officer Officer
Transaction date
Planned sale
Price
38.55
Quantity 4,621 -3.1%
Value US$178,140
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-06-10 2026-06-08 PlS Planned sale Non-Executive Director
63,557 +20.8%
392.90
US$4,884,925
63,557 +20.8% 392.90 US$4,884,925
2026-06-08 2026-06-08 PrS Proposed sale

Director

Non-Executive Director
90,882
385.50
US$3,381,838
90,882 385.50 US$3,381,838
2026-06-02 2026-06-01 PlS Planned sale

Chief Revenue Officer

Officer
73,650 +21.4%
41.37
US$51,528
73,650 +21.4% 41.37 US$51,528
2026-06-02 2026-06-01 PlS Planned sale

Chief Revenue Officer

Officer
16,237 -7.9%
35.00
US$568,295
16,237 -7.9% 35.00 US$568,295
2026-06-01 2026-06-01 PrS Proposed sale

Officer

Officer
17,227
35.00
US$602,952
17,227 35.00 US$602,952
2026-05-26 2026-05-22 S Sale Non-Executive Director
15,000 -36.0%
33.47
US$502,022
15,000 -36.0% 33.47 US$502,022
2026-05-22 2026-05-22 PrS Proposed sale

Director

Non-Executive Director
15,000
33.47
US$502,022
15,000 33.47 US$502,022
2026-05-20 2026-05-19 PlS Planned sale

Chief Product Officer

Officer
15,000 -5.6%
33.00
US$495,000
15,000 -5.6% 33.00 US$495,000
2026-05-19 2026-05-19 PrS Proposed sale

Officer

Officer
15,000
33.00
US$495,000
15,000 33.00 US$495,000
2026-05-13 2026-05-12 S Sale

President and CEO

Executive Director
20,000 -2.6%
31.71
US$634,158
20,000 -2.6% 31.71 US$634,158
2026-05-12 2026-05-12 PrS Proposed sale

Officer

Officer
20,000
31.71
US$634,158
20,000 31.71 US$634,158
2026-05-08 2026-05-07 PlS Planned sale

Chief Product Officer

Officer
2,645 -0.9%
30.84
US$81,572
2,645 -0.9% 30.84 US$81,572
2026-05-08 2026-05-07 PlS Planned sale

Chief Revenue Officer

Officer
34,317 -14.2%
30.84
US$1,058,336
34,317 -14.2% 30.84 US$1,058,336
2026-05-07 2026-05-07 PrS Proposed sale

Officer

Officer
2,645
30.84
US$81,572
2,645 30.84 US$81,572
2026-05-07 2026-05-07 PrS Proposed sale

Officer

Officer
34,317
30.84
US$1,058,336
34,317 30.84 US$1,058,336
2026-02-27 2026-02-26 S Sale

President and CEO

Executive Director
50,000 -7.0%
30.26
US$1,513,125
50,000 -7.0% 30.26 US$1,513,125
2026-02-26 2026-02-26 PrS Proposed sale

Officer

Officer
50,000
30.26
US$1,513,125
50,000 30.26 US$1,513,125
2026-02-25 2026-02-24 S Sale Non-Executive Director
25,000 -44.2%
29.97
US$749,125
25,000 -44.2% 29.97 US$749,125
2026-02-24 2026-02-24 PrS Proposed sale

Director

Non-Executive Director
25,000
29.97
US$749,125
25,000 29.97 US$749,125
2026-02-13 2026-02-11 S Sale Large shareholder
10,669 -0.1%
41.19
US$439,474
10,669 -0.1% 41.19 US$439,474
2026-02-13 2026-02-11 S Sale Large shareholder
40,807 -0.4%
40.24
US$1,641,959
40,807 -0.4% 40.24 US$1,641,959
2026-02-13 2026-02-11 S Sale Large shareholder
10,514 -0.1%
39.57
US$416,074
10,514 -0.1% 39.57 US$416,074
2026-02-11 2026-02-11 PrS Proposed sale

10% Stockholder

Large shareholder
2,689
29.23
US$78,599
2,689 29.23 US$78,599
2026-02-11 2026-02-11 PrS Proposed sale

10% Stockholder

Large shareholder
3,245
29.23
US$94,851
3,245 29.23 US$94,851
2026-02-11 2026-02-11 PrS Proposed sale

10% Stockholder

Large shareholder
2,801
29.23
US$81,873
2,801 29.23 US$81,873
2026-02-11 2026-02-11 PrS Proposed sale

10% Stockholder

Large shareholder
3,360
29.23
US$98,213
3,360 29.23 US$98,213
2026-02-11 2026-02-11 PrS Proposed sale

10% Stockholder

Large shareholder
10,256
29.23
US$299,783
10,256 29.23 US$299,783
2026-02-11 2026-02-11 PrS Proposed sale

10% Stockholder

Large shareholder
2,400
29.23
US$70,152
2,400 29.23 US$70,152
2026-02-11 2026-02-11 PrS Proposed sale

10% Stockholder

Large shareholder
37,239
29.23
US$1,088,496
37,239 29.23 US$1,088,496
2025-08-27 2025-08-27 PrS Proposed sale

Officer

Officer
75,060
21.06
US$1,580,457
75,060 21.06 US$1,580,457
2025-05-27 2025-05-22 PlS Planned sale Non-Executive Director
6,216 -14.7%
21.83
US$135,695
6,216 -14.7% 21.83 US$135,695
2025-05-22 2025-05-22 PrS Proposed sale

Director

Non-Executive Director
6,216
21.83
US$135,695
6,216 21.83 US$135,695
2025-03-11 2025-03-10 S Sale

Chief Financial Officer

Officer
100 -0.1%
23.52
US$2,352
100 -0.1% 23.52 US$2,352
2025-03-11 2025-03-10 S Sale

Chief Financial Officer

Officer
19,839 -15.8%
22.83
US$452,825
19,839 -15.8% 22.83 US$452,825
2025-03-11 2025-03-10 S Sale

Chief Financial Officer

Officer
300 -0.2%
23.50
US$7,050
300 -0.2% 23.50 US$7,050
2025-03-11 2025-03-10 S Sale

Chief Financial Officer

Officer
15,225 -10.8%
22.82
US$347,419
15,225 -10.8% 22.82 US$347,419
2025-03-10 2025-03-10 PrS Proposed sale

Officer

Officer
35,464
23.17
US$821,701
35,464 23.17 US$821,701
2025-03-10 2025-03-07 S Sale

Chief People Officer

Officer
1,755 -1.2%
22.88
US$40,154
1,755 -1.2% 22.88 US$40,154
2025-03-07 2025-03-07 PrS Proposed sale

Officer

Officer
1,755
22.88
US$40,154
1,755 22.88 US$40,154
2025-03-05 2025-03-04 S Sale

Chief People Officer

Officer
1,881 -1.3%
23.16
US$43,564
1,881 -1.3% 23.16 US$43,564
2025-03-04 2025-03-04 PrS Proposed sale

Former Officer

Officer
28,341
23.22
US$657,983
28,341 23.22 US$657,983
2025-03-04 2025-03-04 PrS Proposed sale

Officer

Officer
1,881
23.16
US$43,564
1,881 23.16 US$43,564
2025-03-04 2025-03-03 PlS Planned sale

Chief People Officer

Officer
5,955 -5.2%
23.87
US$142,146
5,955 -5.2% 23.87 US$142,146
2025-03-03 2025-03-03 PrS Proposed sale

Officer

Officer
5,955
23.87
US$142,146
5,955 23.87 US$142,146
2025-03-04 2025-02-28 PlS Planned sale

Chief People Officer

Officer
2,353 -2.0%
23.39
US$55,037
2,353 -2.0% 23.39 US$55,037
2025-02-28 2025-02-28 PrS Proposed sale

Officer

Officer
2,353
23.39
US$55,037
2,353 23.39 US$55,037
2024-11-08 2024-11-08 PrS Proposed sale

Director; Officer

Executive Director
20,000
29.31
US$586,200
20,000 29.31 US$586,200
2024-11-08 2024-11-08 S Sale

President and CEO

Executive Director
20,000 -5.1%
30.00
US$600,086
20,000 -5.1% 30.00 US$600,086
2024-11-08 2024-11-07 S Sale

Chief Product Officer

Officer
54,610 -45.0%
29.10
US$1,589,096
54,610 -45.0% 29.10 US$1,589,096
2024-11-07 2024-11-07 PrS Proposed sale

Officer

Officer
54,610
29.10
US$1,589,138
54,610 29.10 US$1,589,138
2024-09-11 2024-09-10 S Sale

Chief Product Officer

Officer
14,962 -11.0%
27.53
US$411,904
14,962 -11.0% 27.53 US$411,904
2024-09-11 2024-09-10 S Sale

Chief People Officer

Officer
7,779 -6.8%
27.51
US$214,000
7,779 -6.8% 27.51 US$214,000
2024-09-10 2024-09-10 PrS Proposed sale

Officer

Officer
14,962
27.53
US$411,904
14,962 27.53 US$411,904
2024-09-10 2024-09-10 PrS Proposed sale

Officer

Officer
7,779
27.51
US$214,000
7,779 27.51 US$214,000
2024-09-03 2024-08-29 S Sale

Chief Legal Officer

Officer
5,500 -5.4%
28.51
US$156,778
5,500 -5.4% 28.51 US$156,778
2024-08-29 2024-08-29 PrS Proposed sale

Officer

Officer
5,500
28.51
US$156,778
5,500 28.51 US$156,778
2024-08-14 2024-08-13 S Sale

Chief People Officer

Officer
9,683 -7.8%
25.94
US$251,177
9,683 -7.8% 25.94 US$251,177
2024-08-13 2024-08-13 PrS Proposed sale

Officer

Officer
9,683
25.94
US$251,177
9,683 25.94 US$251,177
2024-05-29 2024-05-24 S Sale

President and CEO

Executive Director
100 -0.0%
32.74
US$3,274
100 -0.0% 32.74 US$3,274
2024-05-29 2024-05-24 S Sale

President and CEO

Executive Director
9,900 -2.5%
31.94
US$316,206
9,900 -2.5% 31.94 US$316,206
2024-05-24 2024-05-24 PrS Proposed sale

Director; Officer

Executive Director
20,000
32.66
US$653,200
20,000 32.66 US$653,200
2024-05-21 2024-05-20 S Sale Non-Executive Director
6,356 -17.1%
33.43
US$212,462
6,356 -17.1% 33.43 US$212,462
2024-05-20 2024-05-20 PrS Proposed sale

Director

Non-Executive Director
6,356
33.43
US$212,464
6,356 33.43 US$212,464
2024-05-10 2024-05-09 S Sale

Chief Customer Officer

Officer
18,500 -25.1%
32.96
US$609,797
18,500 -25.1% 32.96 US$609,797
2024-05-09 2024-05-09 PrS Proposed sale

Officer

Officer
18,500
32.96
US$609,793
18,500 32.96 US$609,793
2024-05-08 2024-05-08 PrS Proposed sale

Former Officer

Officer
62,945
32.82
US$2,065,986
62,945 32.82 US$2,065,986
2024-03-08 2024-03-07 S Sale

Chief Marketing Officer

Officer
1,350 -1.7%
38.34
US$51,754
1,350 -1.7% 38.34 US$51,754
2024-03-07 2024-03-07 PrS Proposed sale

Officer

Officer
1,350
38.34
US$51,753
1,350 38.34 US$51,753
2024-03-08 2024-03-06 S Sale

Chief Marketing Officer

Officer
4,324 -5.1%
38.67
US$167,224
4,324 -5.1% 38.67 US$167,224
2024-03-08 2024-03-06 S Sale

Chief Marketing Officer

Officer
2,946 -3.3%
38.62
US$113,783
2,946 -3.3% 38.62 US$113,783
2024-03-06 2024-03-06 PrS Proposed sale

Affiliate

2,946
37.71
US$111,094
2,946 37.71 US$111,094
2024-03-06 2024-03-06 PrS Proposed sale

Officer

Officer
4,324
38.67
US$167,224
4,324 38.67 US$167,224
2024-03-05 2024-03-05 PrS Proposed sale

Officer

Officer
26,275
37.70
US$990,568
26,275 37.70 US$990,568
2024-03-05 2024-03-05 PlS Planned sale

Chief People Officer

Officer
26,275 -17.1%
37.57
US$987,231
26,275 -17.1% 37.57 US$987,231
2024-03-05 2024-03-04 PlS Planned sale

Chief Product Officer

Officer
4,621 -3.1%
38.55
US$178,140
4,621 -3.1% 38.55 US$178,140