Insider Holders & Insider Ownership - Seagate Technology Holdings plc (STX)

List of insiders holdings for Seagate Technology Holdings plc:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time
Shares Owned
Directly
Indirectly
Total
Shares Owned
Filing
1NEW SAC
Former 10 % Shareholder
2006-02-14 14:52:5571,583,997
0
71,583,997Form 13G
2SAMSUNG ELECTRONICS CO LTD
10% Owner
2013-10-22 12:52:0732,700,000
0
32,700,000Form 13D
3HUTCHINS GLENN H
Director
2006-08-17 17:02:130
23,061,080
23,061,080Form 4
4TPG SAC ADVISORS III CORP
10% Owner
2005-08-04 18:05:210
22,089,816
22,089,816Form 4
5SILVER LAKE OFFSHORE AIV GP LTD
SILVER LAKE TECHNOLOGY INVESTORS CAYMAN LP
SILVER LAKE INVESTORS CAYMAN LP
SILVER LAKE PARTNERS CAYMAN LP
10% Owner
2007-02-14 06:23:2210,680,538
0
10,680,538Form 13G
6RAPPAPORT ANDREW
10% Owner
2006-08-16 17:37:21340,748
8,403,237
8,743,985Form 5/A
7Haggart Dylan G.
ValueAct Holdings L.P.
ValueAct Capital Master Fund L.P.
VA Partners I LLC
ValueAct Capital Management L.P.
ValueAct Capital Management LLC
ValueAct Holdings II L.P.
ValueAct Holdings GP LLC
See Remarks
2023-09-08 16:42:287,687,070
0
7,687,070Form 13D
8ValueAct Holdings L.P.
ValueAct Capital Master Fund L.P.
ValueAct Capital Master Fund B L.P.
VA Partners I LLC
ValueAct Capital Management L.P.
ValueAct Capital Management LLC
ValueAct Holdings II L.P.
ValueAct Holdings GP LLC
See Remarks
2023-09-08 16:42:287,687,070
0
7,687,070Form 13D
9WATKINS WILLIAM D
CEO - See Remarks
2009-02-06 19:52:10807,330
1,745,050
2,552,380Form 4
10AUGUST CAPITAL MANAGEMENT III LLC
AUGUST CAPITAL III LP
AUGUST CAPITAL STRATEGIC PARTNERS III LP
MARQUARDT DAVID F
RAPPAPORT ANDREW
JOHNSTON JOHN R
AUGUST CAPITAL III FOUNDERS FUND LP
10% Owner
2006-01-05 19:14:421,676,933
0
1,676,933Form 4
11MARQUARDT DAVID F
Director
2009-12-02 13:48:431,196,652
106,388
1,303,040Form 4
12KRYDER MARK H
SVP, CTO, Research
2007-05-03 16:41:011,076,124
1,825
1,077,949Form 4
13WEYANDT JOHN P
SVP, Product & Process Dev.
2003-11-06 12:42:50982,392
0
982,392Form 4
14HUDSON WILLIAM L
Executive VP & General Counsel
2008-08-11 19:12:32911,692
0
911,692Form 5
15DEXHEIMER BRIAN S
President, Consumer Solutions
2008-09-16 16:21:58568,331
30,000
598,331Form 4
16O MALLEY PATRICK J
EVP & Chief Financial Officer
2015-09-23 21:10:38136,793
403,699
540,492Form 4
17PORTER TOWNSEND H
Executive VP and CTO
2003-12-02 17:50:02530,565
0
530,565Form 4
18MOSLEY WILLIAM D
Chief Executive Officer
2025-07-02 16:49:25498,710
0
498,710Form 4
19CHIRICO JAMES M
EVP Global Disc Storage Ops
2007-07-26 16:43:51482,571
0
482,571Form 4
20Cunningham Terence Robert
SVP, CONSUMER & i365
2009-03-10 17:05:50375,000
0
375,000Form 4
21WICKERSHAM DAVID A
President and COO
2008-09-16 16:18:54334,857
0
334,857Form 4
22TENNENBAUM JEREMY
Executive VP, Bus & Corp Devl
2004-02-09 18:23:50232,620
25,000
257,620Form 4
23LUCZO STEPHEN J
Director
2022-03-08 18:46:550
225,941
225,941Form 4
24WAITE DONALD L
Executive VP & CAO
2004-03-08 16:42:2441,054
144,721
185,775Form 4
25POPE CHARLES C
EVP, PLANNING & DEVELOPMT
2008-10-29 17:24:2080,200
76,900
157,100Form 4
26THOMPSON JOHN WENDELL
Director
2011-08-15 17:51:3011,250
143,160
154,410Form 5
27WINGERT MICHAEL J
EVP, Maxtor Integration
2007-09-20 18:36:36124,072
0
124,072Form 4/A
28Whitmore Robert W
EVP & Chief Technical Officer
2013-05-31 16:15:31123,364
0
123,364Form 4
29Pimentel Albert A
President, Global Mkts and CSO
2015-09-23 21:03:5938,226
79,202
117,428Form 4
30Nygaard Jeffrey D.
EVP, Operations and Technology
2023-02-02 19:59:2942,661
71,794
114,455Form 4
31PETERSON GLEN A
Sr. VP, Worldwide Finance
2008-09-16 16:20:0299,510
0
99,510Form 4
32ABBOTT TODD
EVP, Sales, Mktg and Service
2008-05-20 14:17:2588,000
0
88,000Form 4
33GLEMBOCKI JERRY S
Sr. VP Heads and Media
2008-09-16 16:21:3982,385
0
82,385Form 4
34Romano Gianluca
EVP & CFO
2025-06-12 16:31:4854,648
0
54,648Form 4
35PARK CHONG SUP
Director
2018-10-22 18:11:0516,809
32,527
49,336Form 4
36ZANDER EDWARD J
Director
2023-10-24 18:42:310
45,813
45,813Form 4
37Naik Ravi
EVP, Lyve Storage Services
2023-03-23 17:10:2838,857
0
38,857Form 4
38SCHUELKE KATHERINE
SVP, CLO & Corporate Secretary
2023-12-12 16:52:2434,553
0
34,553Form 4
39CLEMMER RICHARD L
Director
2024-10-22 18:16:0130,351
3,867
34,218Form 4
40DEHAAN DOUGLAS J
General Manager, Samsung HDD
2015-09-23 21:05:4832,517
0
32,517Form 4
41Richarz David K
Executive Vice President,Sales
2015-04-28 16:08:4931,944
0
31,944Form 4
42KIERNAN DONALD E
Director
2008-11-03 18:00:4118,750
11,250
30,000Form 4
43BONDERMAN DAVID
Director
2003-11-03 18:14:3625,000
0
25,000Form 4
44BRADLEY WILLIAM W
Director
2009-10-30 14:25:2922,500
2,500
25,000Form 4
45COULTER JAMES G
Director
2005-10-31 17:20:4225,000
0
25,000Form 4
46MARSHALL LYDIA MICHEAUX
Director
2014-10-23 19:08:5824,535
0
24,535Form 4
47Onken Kristen M
Director
2016-10-20 16:14:1223,729
0
23,729Form 4
48MORTON DAVID H JR
EVP & CFO
2018-07-27 19:35:0823,346
0
23,346Form 4
49Lee James CI
Chief Legal Officer
2024-07-24 17:33:5521,780
0
21,780Form 4
50Morris John Christopher
SVP & CTO
2025-06-12 16:31:2521,337
0
21,337Form 4
51COLEMAN WILLIAM T III
Director
2020-10-23 19:08:0320,330
0
20,330Form 4
52CHENG MEI WEI
Director
2018-10-22 17:22:2420,047
0
20,047Form 4
53Lerner James J
President, Cloud Systems
2015-03-13 17:30:5517,858
0
17,858Form 4
54MacPherson Regan J
SVP and General Counsel
2016-11-18 17:53:2516,702
0
16,702Form 4
55BRACE PHILIP G
Former President, CSSG
2018-01-16 20:19:0516,069
0
16,069Form 4
56Haggart Dylan G.
Director
2024-10-22 18:16:1315,162
0
15,162Form 4
57Fochtman Jeffrey D.
SVP, Business & Marketing
2022-09-14 17:42:5614,736
0
14,736Form 4
58BHATT PRAT
Director
2024-10-22 18:15:3814,516
0
14,516Form 4
59Arumugavelu Shankar
Director
2024-10-22 18:14:1013,273
0
13,273Form 4
60BRUNER JUDY
Director
2025-05-23 16:03:160
12,268
12,268Form 4
61Tilenius Stephanie
Director
2025-06-06 16:21:0312,244
0
12,244Form 4
62CANNON MICHAEL R
Director
2025-06-06 16:20:3410,835
0
10,835Form 4
63MURPHY JAMES J
EVP, Sales & Marketing
2019-12-23 17:44:2410,569
0
10,569Form 4
64Teh Ban Seng
EVP & Chief Commercial Officer
2025-06-17 17:40:0310,329
0
10,329Form 4
65Hottier-Fayon Geraldine
Interim Prin. Accounting Ofcr
2018-09-25 19:00:278,217
0
8,217Form 4
66Chong Kian Fatt
SVP, Global Operations
2025-06-12 16:31:406,983
0
6,983Form 4
67BRUGGEWORTH ROBERT A
Director
2024-10-22 18:14:226,591
0
6,591Form 4
68Conyers Yolanda Lee
Director
2025-06-04 16:41:575,055
0
5,055Form 4
69DAVIDSON JAMES
Director
2008-08-11 18:54:105,000
0
5,000Form 5
70REYES GREGORIO
Director
2015-10-23 17:18:440
4,485
4,485Form 4
71Scolnick Kathryn R.
Interim CFO
2018-09-25 19:08:154,256
0
4,256Form 4
72Geldmacher Jay L
Director
2024-10-24 17:00:452,852
0
2,852Form 4
73Adams Mark
Director
2024-10-22 18:13:502,693
0
2,693Form 4
74JEONG SEH-WOONG
Director
2014-10-23 19:22:192,518
0
2,518Form 4
75Anderson David Z
VP, Finance, Treasurer & PAO
2009-10-27 13:15:402,500
0
2,500Form 4
76ROGGE KAREN M
VP Corp. Finance and Treasurer
2006-11-16 16:39:051,890
0
1,890Form 5
77BIONDI FRANK
Director
2017-10-27 15:29:300
0
0Form 4
78Moyo Dambisa F
Director
2017-10-25 19:47:400
0
0Form 4
79MASSARONI KENNETH M
SVP, Interim CLO
2017-10-05 16:24:420
0
0Form 4
80RE MARK
SVP & CTO
2017-10-05 16:23:080
0
0Form 4