Form 4
Insider Selling
2026-04-02
STX insider MOSLEY WILLIAM D (Director, CEO) sold 20,000 shares (~$8.41M)
MOSLEY WILLIAM D, listed as Director, CEO at Seagate Technology Holdings plc, reported an open-market sale of 20,000 STX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: MOSLEY WILLIAM D (Director, CEO)
Shares: 20,000
Est. Value: $8.41M
Form 144
Large Proposed Insider Sale
2026-04-01
STX Form 144 filed for proposed insider sale by WILLIAM MOSLEY (20,000 shares) ~$15.67M
WILLIAM MOSLEY filed a Form 144 with the SEC indicating intent to sell STX (Seagate Technology Holdings plc) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: WILLIAM MOSLEY
Shares: 20,000
Est. Value: $15.67M
Form 4
Insider Selling
2026-03-23
STX insider MOSLEY WILLIAM D (Director, CEO) sold 24,584 shares (~$10.00M)
MOSLEY WILLIAM D, listed as Director, CEO at Seagate Technology Holdings plc, reported an open-market sale of 24,584 STX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: MOSLEY WILLIAM D (Director, CEO)
Shares: 24,584
Est. Value: $10.00M
Form 4
Insider Selling
2026-03-16
STX insider Morris John Christopher (EVP & CTO) sold 112 shares (~$42.3K)
Morris John Christopher, listed as EVP & CTO at Seagate Technology Holdings plc, reported an open-market sale of 112 STX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Morris John Christopher (EVP & CTO)
Shares: 112
Est. Value: $42.3K
Form 144
Proposed Insider Sale
2026-03-13
STX Form 144 filed for proposed insider sale by JOHN MORRIS (112 shares) ~$83.8K
JOHN MORRIS filed a Form 144 with the SEC indicating intent to sell STX (Seagate Technology Holdings plc) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
Filing: Form 144 (Proposed Sale Notice)
Insider: JOHN MORRIS
Shares: 112
Est. Value: $83.8K
Form 4
Tax / Compensation Filing
2026-03-12
STX insider Form 4 filed for equity award, exercise, or tax withholding
Teh Ban Seng (EVP & Chief Commercial Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Teh Ban Seng (EVP & Chief Commercial Officer)
Shares: 989
Form 4
Tax / Compensation Filing
2026-03-12
STX insider Form 4 filed for equity award, exercise, or tax withholding
Romano Gianluca (EVP & CFO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Romano Gianluca (EVP & CFO)
Shares: 2,542
Form 4
Tax / Compensation Filing
2026-03-12
STX insider Form 4 filed for equity award, exercise, or tax withholding
Chong Kian Fatt (EVP Global Operations) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Chong Kian Fatt (EVP Global Operations)
Shares: 678
Form 4
Tax / Compensation Filing
2026-03-12
STX insider Form 4 filed for equity award, exercise, or tax withholding
Morris John Christopher (EVP & CTO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Morris John Christopher (EVP & CTO)
Shares: 1,372
Form 4
Tax / Compensation Filing
2026-03-12
STX insider Form 4 filed for equity award, exercise, or tax withholding
MOSLEY WILLIAM D (Director, CEO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: MOSLEY WILLIAM D (Director, CEO)
Shares: 4,977
Form 4
Tax / Compensation Filing
2026-03-11
STX insider Form 4 filed for equity award, exercise, or tax withholding
Morris John Christopher (EVP & CTO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Morris John Christopher (EVP & CTO)
Shares: 1,646
Form 4
Tax / Compensation Filing
2026-03-11
STX insider Form 4 filed for equity award, exercise, or tax withholding
Romano Gianluca (EVP & CFO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Romano Gianluca (EVP & CFO)
Shares: 3,709
Form 4
Tax / Compensation Filing
2026-03-11
STX insider Form 4 filed for equity award, exercise, or tax withholding
MOSLEY WILLIAM D (Director, CEO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: MOSLEY WILLIAM D (Director, CEO)
Shares: 7,843
Form 4
Tax / Compensation Filing
2026-03-11
STX insider Form 4 filed for equity award, exercise, or tax withholding
Chong Kian Fatt (EVP Global Operations) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Chong Kian Fatt (EVP Global Operations)
Shares: 581
Form 4
Tax / Compensation Filing
2026-03-11
STX insider Form 4 filed for equity award, exercise, or tax withholding
Teh Ban Seng (EVP & Chief Commercial Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Teh Ban Seng (EVP & Chief Commercial Officer)
Shares: 1,262