Form 4
Insider Selling
2026-04-23
ARM insider Child Jason (Chief Financial Officer) sold 21,280 shares (~$3.83M)
Child Jason, listed as Chief Financial Officer at ARM HOLDINGS PLC /UK, reported an open-market sale of 21,280 ARM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Child Jason (Chief Financial Officer)
Shares: 21,280
Est. Value: $3.83M
Form 144
Large Proposed Insider Sale
2026-04-22
ARM Form 144 filed for proposed insider sale by Child Jason (21,280 shares) ~$7.66M
Child Jason filed a Form 144 with the SEC indicating intent to sell ARM (ARM HOLDINGS PLC /UK) 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: Child Jason
Shares: 21,280
Est. Value: $7.66M
Form 4
Insider Selling
2026-04-16
ARM insider Haas Rene A. (Director, Chief Executive Officer) sold 9,299 shares (~$1.50M)
Haas Rene A., listed as Director, Chief Executive Officer at ARM HOLDINGS PLC /UK, reported an open-market sale of 9,299 ARM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Haas Rene A. (Director, Chief Executive Officer)
Shares: 9,299
Est. Value: $1.50M
Form 144
Proposed Insider Sale
2026-04-14
ARM Form 144 filed for proposed insider sale by Haas Rene A. (9,299 shares) ~$2.99M
Haas Rene A. filed a Form 144 with the SEC indicating intent to sell ARM (ARM HOLDINGS PLC /UK) 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: Haas Rene A.
Shares: 9,299
Est. Value: $2.99M
Form 4
Insider Selling
2026-03-27
ARM insider Haas Rene A. (Director, Chief Executive Officer) sold 31,853 shares (~$5.13M)
Haas Rene A., listed as Director, Chief Executive Officer at ARM HOLDINGS PLC /UK, reported an open-market sale of 31,853 ARM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Haas Rene A. (Director, Chief Executive Officer)
Shares: 31,853
Est. Value: $5.13M
Form 4
Insider Selling
2026-03-27
ARM insider Child Jason (Chief Financial Officer) sold 21,280 shares (~$3.16M)
Child Jason, listed as Chief Financial Officer at ARM HOLDINGS PLC /UK, reported an open-market sale of 21,280 ARM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Child Jason (Chief Financial Officer)
Shares: 21,280
Est. Value: $3.16M
Form 144
Proposed Insider Sale
2026-03-26
ARM Form 144 filed for proposed insider sale by Haas Rene A. (7,986 shares) ~$2.57M
Haas Rene A. filed a Form 144 with the SEC indicating intent to sell ARM (ARM HOLDINGS PLC /UK) 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: Haas Rene A.
Shares: 7,986
Est. Value: $2.57M
Form 144
Large Proposed Insider Sale
2026-03-25
ARM Form 144 filed for proposed insider sale by Haas Rene A. (23,867 shares) ~$7.69M
Haas Rene A. filed a Form 144 with the SEC indicating intent to sell ARM (ARM HOLDINGS PLC /UK) 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: Haas Rene A.
Shares: 23,867
Est. Value: $7.69M
Form 144
Large Proposed Insider Sale
2026-03-25
ARM Form 144 filed for proposed insider sale by Child Jason (21,280 shares) ~$6.31M
Child Jason filed a Form 144 with the SEC indicating intent to sell ARM (ARM HOLDINGS PLC /UK) 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: Child Jason
Shares: 21,280
Est. Value: $6.31M
Form 144
Proposed Insider Sale
2026-02-27
ARM Form 144 filed for proposed insider sale by Haas Rene A. (6,152 shares) ~$1.55M
Haas Rene A. filed a Form 144 with the SEC indicating intent to sell ARM (ARM HOLDINGS PLC /UK) 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: Haas Rene A.
Shares: 6,152
Est. Value: $1.55M
Form 144
Proposed Insider Sale
2026-02-18
ARM Form 144 filed for proposed insider sale by Child Jason (10,640 shares) ~$2.73M
Child Jason filed a Form 144 with the SEC indicating intent to sell ARM (ARM HOLDINGS PLC /UK) 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: Child Jason
Shares: 10,640
Est. Value: $2.73M
Form 144
Proposed Insider Sale
2026-01-30
ARM Form 144 filed for proposed insider sale by Haas Rene A. (6,152 shares) ~$1.31M
Haas Rene A. filed a Form 144 with the SEC indicating intent to sell ARM (ARM HOLDINGS PLC /UK) 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: Haas Rene A.
Shares: 6,152
Est. Value: $1.31M
Form 144
Proposed Insider Sale
2025-12-31
ARM Form 144 filed for proposed insider sale by Haas Rene A. (6,152 shares) ~$1.36M
Haas Rene A. filed a Form 144 with the SEC indicating intent to sell ARM (ARM HOLDINGS PLC /UK) 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: Haas Rene A.
Shares: 6,152
Est. Value: $1.36M
Form 144
Proposed Insider Sale
2025-11-28
ARM Form 144 filed for proposed insider sale by Haas Rene A. (6,152 shares) ~$1.65M
Haas Rene A. filed a Form 144 with the SEC indicating intent to sell ARM (ARM HOLDINGS PLC /UK) 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: Haas Rene A.
Shares: 6,152
Est. Value: $1.65M
Form 144
Proposed Insider Sale
2025-11-19
ARM Form 144 filed for proposed insider sale by Child Jason (10,640 shares) ~$2.93M
Child Jason filed a Form 144 with the SEC indicating intent to sell ARM (ARM HOLDINGS PLC /UK) 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: Child Jason
Shares: 10,640
Est. Value: $2.93M