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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
TERADATA CORP DE: TDC
Price: 6/12/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$33.00 $41.78 $19.83 $3,105 94 2,126 0.0% 19.3% 120.04% 1.00%
Exch Sector Industry Sub-Industry
NYSE Services Business Services Services- Prepackaged Software
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
ROGERS SCOT FRAZIER
O
JS
$790,507
23,513
---
6/15/26
---
$33.62
216,637
-9.8
D
R
6/17/26 - 4:30:15 pm
2
1y
9
67%
4%
2
CHOU TIMOTHY C K
DIR
AS
$190,754
5,657
---
6/8/26
---
$33.72
39,210
-12.6
D
10b
6/10/26 - 5:14:28 pm
3
    
 
PETLEY RICHARD J
O
AS
$602,952
17,227
---
6/1/26
$35.00
$35.01
188,571
-8.4
D
10b
6/2/26 - 4:31:33 pm
4
    
 
MCELHATTON TODD
DIR
S
$502,022
15,000
---
5/22/26
---
$33.47
26,665
-36.0
D
---
5/26/26 - 4:45:51 pm
5
    
 
ARORA SUMEET
O
AS
$495,000
15,000
---
5/19/26
---
$33.00
250,772
-5.6
D
R,10b
5/20/26 - 4:16:57 pm
6
    
 
ARORA SUMEET
O
JS
$1,169,234
35,680
---
5/18/26
---
$32.77
265,772
-11.8
D
R,10b
5/20/26 - 4:16:57 pm
7
    
 
EDERER JOHN
CFO
JS
$437,643
13,355
---
5/18/26
---
$32.77
368,426
-3.5
D
R
5/20/26 - 4:16:51 pm
8
    
 
BACUS LISA R
DIR
JB
---
8,790
---
5/14/26
---
---
83,894
11.7
D
R
5/18/26 - 4:17:55 pm
9
    
 
GIANONI MICHAEL P
DIR
JB
---
8,790
---
5/14/26
---
---
40,313
27.9
D
R
5/18/26 - 4:17:49 pm
10
    
 
NELSON KIMBERLY K
DIR
JB
---
8,790
---
5/14/26
---
---
61,975
16.5
D
R
5/18/26 - 4:17:44 pm
11
    
 
OLSEN JOANNE BETH
DIR
JB
---
8,790
---
5/14/26
---
---
69,001
14.6
D
R
5/18/26 - 4:17:38 pm
12
    
 
FISHER MELISSA B
DIR
JB
---
8,790
---
5/14/26
---
---
12,640
228.3
D
R
5/18/26 - 4:17:32 pm
13
    
 
SCHWARZ JOHN
DIR
JB
---
8,790
---
5/14/26
---
---
110,569
8.6
D
R
5/18/26 - 4:17:28 pm
14
    
 
CHOU TIMOTHY C K
DIR
JB
---
8,790
---
5/14/26
---
---
44,867
24.4
D
R
5/18/26 - 4:17:23 pm
15
    
 
MCELHATTON TODD
DIR
JB
---
8,790
---
5/14/26
---
---
41,665
26.7
D
R
5/18/26 - 4:17:19 pm
16
    
 
PETLEY RICHARD J
O
JS
$59,808
1,829
---
5/13/26
---
$32.70
205,798
-0.9
D
R
5/14/26 - 5:37:27 pm
17
1y
11
82%
-16%
2
MCMILLAN STEPHEN
PR,CEO,DIR
S
$634,158
20,000
---
5/12/26
---
$31.71
762,446
-2.6
D
---
5/13/26 - 6:31:44 pm
18
    
 
ARORA SUMEET
O
AS
$81,572
2,645
---
5/7/26
---
$30.84
301,452
-0.9
D
10b
5/8/26 - 4:24:55 pm
19
    
 
PETLEY RICHARD J
O
AS
$1,058,336
34,317
---
5/7/26
---
$30.84
207,627
-14.2
D
10b
5/8/26 - 4:24:49 pm
20
    
 
MCMILLAN STEPHEN
PR,CEO,DIR
JS
$622,885
26,606
3/6/26
3/9/26
---
$28.02
782,446
-3.3
D
R
3/10/26 - 4:43:56 pm
21
    
 
HUTCHINSON MICHAEL D
COO
JS
$104,431
3,727
---
3/6/26
---
$28.02
220,004
-1.7
D
R
3/10/26 - 4:43:32 pm
22
    
 
PETLEY RICHARD J
O
JS
$89,104
3,180
---
3/6/26
---
$28.02
241,944
-1.3
D
R
3/10/26 - 4:43:26 pm
23
    
 
MCMILLAN STEPHEN
PR,CEO,DIR
JS
$1,224,085
40,319
---
3/3/26
---
$30.36
602,781
-6.3
D
R
3/5/26 - 4:32:12 pm
24
    
 
HUTCHINSON MICHAEL D
COO
JS
$461,715
15,208
---
3/3/26
---
$30.36
157,724
-8.8
D
R
3/5/26 - 4:32:06 pm
25
    
 
PETLEY RICHARD J
O
JS
$404,061
13,309
---
3/3/26
---
$30.36
170,867
-7.2
D
R
3/5/26 - 4:32:00 pm
26
    
 
FISHER MELISSA B
DIR
JB
---
3,850
---
3/1/26
---
---
3,850
New
D
R
3/10/26 - 4:45:21 pm
27
    
 
FISHER MELISSA B
DIR
3
---
---
---
3/1/26
---
---
---
---
D
---
3/10/26 - 4:44:51 pm
28
    
 
MCMILLAN STEPHEN
PR,CEO,DIR
JB
---
206,271
---
3/1/26
---
---
809,052
34.2
D
R
3/10/26 - 4:43:56 pm
29
    
 
EDERER JOHN
CFO
JB
---
74,257
---
3/1/26
---
---
381,781
24.1
D
R
3/10/26 - 4:43:50 pm
30
    
 
ARORA SUMEET
O
JB
---
66,007
---
3/1/26
---
---
304,097
27.7
D
R
3/10/26 - 4:43:44 pm
31
    
 
ROGERS SCOT FRAZIER
O
JB
---
53,630
---
3/1/26
---
---
240,150
28.8
D
R
3/10/26 - 4:43:38 pm
32
    
 
HUTCHINSON MICHAEL D
COO
JB
---
66,007
---
3/1/26
---
---
223,731
41.8
D
R
3/10/26 - 4:43:32 pm
33
    
 
PETLEY RICHARD J
O
JB
---
74,257
---
3/1/26
---
---
245,124
43.5
D
R
3/10/26 - 4:43:26 pm
34
    
 
PETLEY RICHARD J
O
JS
$91,290
2,899
---
2/27/26
---
$31.49
184,176
-1.5
D
R
3/3/26 - 4:49:23 pm
35
    
 
MCMILLAN STEPHEN
PR,CEO,DIR
JS
$632,634
20,090
---
2/27/26
---
$31.49
643,100
-3.0
D
R
3/3/26 - 4:49:15 pm
36
    
 
HUTCHINSON MICHAEL D
COO
JS
$159,087
5,052
---
2/27/26
---
$31.49
172,932
-2.8
D
R
3/3/26 - 4:49:09 pm
37
1y
11
82%
-16%
2
MCMILLAN STEPHEN
PR,CEO,DIR
S
$1,513,125
50,000
---
2/26/26
---
$30.26
663,190
-7.0
D
---
2/27/26 - 4:17:24 pm
38
1y
1
100%
-36%
3
GIANONI MICHAEL P
DIR
S
$749,125
25,000
---
2/24/26
---
$29.96
31,523
-44.2
D
---
2/25/26 - 4:26:25 pm
39
    
 
LYNROCK LAKE LP
BO
S
$2,497,507
61,990
---
2/11/26
$39.57
$41.19
9,354,676
-0.7
I
---
2/13/26 - 5:21:01 pm
40
    
 
EDERER JOHN
CFO
JS
$243,114
6,418
---
2/11/26
---
$37.88
307,524
-2.0
D
R
2/13/26 - 4:23:41 pm
41
    
 
EDERER JOHN
CFO
JB
---
46,747
---
2/11/26
---
---
313,942
17.5
D
R
2/13/26 - 4:23:41 pm
42
    
 
ARORA SUMEET
O
JS
$258,758
6,831
---
2/11/26
---
$37.88
238,090
-2.8
D
R
2/13/26 - 4:23:35 pm
43
    
 
ARORA SUMEET
O
JB
---
36,359
---
2/11/26
---
---
244,921
17.4
D
R
2/13/26 - 4:23:35 pm
44
    
 
MCMILLAN STEPHEN
PR,CEO,DIR
JS
$3,502,650
92,467
---
2/11/26
---
$37.88
626,406
-12.9
D
R
2/13/26 - 4:23:29 pm
45
    
 
MCMILLAN STEPHEN
PR,CEO,DIR
JB
---
246,532
---
2/11/26
---
---
731,536
50.8
D
R
2/13/26 - 4:23:29 pm
46
    
 
ROGERS SCOT FRAZIER
O
JS
$182,316
4,813
---
2/11/26
---
$37.88
186,520
-2.5
D
R
2/13/26 - 4:23:21 pm
47
    
 
ROGERS SCOT FRAZIER
O
JB
---
31,711
---
2/11/26
---
---
191,333
19.9
D
R
2/13/26 - 4:23:21 pm
48
    
 
PETLEY RICHARD J
O
JS
$630,513
16,645
---
2/11/26
---
$37.88
155,285
-9.7
D
R
2/13/26 - 4:23:13 pm
49
    
 
PETLEY RICHARD J
O
JB
---
59,905
---
2/11/26
---
---
193,131
45.0
D
R
2/13/26 - 4:23:13 pm
50
    
 
HUTCHINSON MICHAEL D
COO
JS
$739,077
19,511
---
2/11/26
---
$37.88
147,058
-11.7
D
R
2/13/26 - 4:23:07 pm
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