Updated Jul 16, 2026
Collins Spencer has filed 3 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $19.80M.

According to the most recent SEC filing dated 2026-05-13, Collins Spencer is listed as Chief Legal Officer of ARM Holdings plc, a UK-based semiconductor IP designer and licensor. Public biographical information is limited; the SEC filing identifies him in this executive role, implying responsibility for ARM's global legal affairs, corporate governance, regulatory compliance, intellectual property protection, and strategic commercial contracting.
| Role | Chief Legal Officer |
|---|---|
| Notability | 60/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-21 | ARM | ARM HOLDINGS PLC /UK | S — Open-market sale | 40.9K | $215.00 | $8.80M |
| 2026-05-19 | ARM | ARM HOLDINGS PLC /UK | F — Tax withholding / forfeiture | 36.3K | $209.16 | $7.59M |
| 2026-05-19 | ARM | ARM HOLDINGS PLC /UK | A — Grant or award | 48.4K | — | |
| 2026-05-19 | ARM | ARM HOLDINGS PLC /UK | A — Grant or award | 10.1K | — | |
| 2026-05-19 | ARM | ARM HOLDINGS PLC /UK | M — Option exercise | 4.0K | — | |
| 2026-05-19 | ARM | ARM HOLDINGS PLC /UK | M — Option exercise | 4.2K | — | |
| 2026-05-19 | ARM | ARM HOLDINGS PLC /UK | A — Grant or award | 10.7K | — | |
| 2026-05-13 | ARM | ARM HOLDINGS PLC /UK | S — Open-market sale | 4.9K | $214.41 | $1.04M |
| 2026-05-13 | ARM | ARM HOLDINGS PLC /UK | S — Open-market sale | 7.4K | $213.59 | $1.57M |
| 2026-05-13 | ARM | ARM HOLDINGS PLC /UK | S — Open-market sale | 11.2K | $212.51 | $2.38M |
| 2026-05-13 | ARM | ARM HOLDINGS PLC /UK | S — Open-market sale | 10.7K | $211.46 | $2.26M |
| 2026-05-13 | ARM | ARM HOLDINGS PLC /UK | S — Open-market sale | 9.8K | $210.53 | $2.07M |
| 2026-05-13 | ARM | ARM HOLDINGS PLC /UK | S — Open-market sale | 5.4K | $209.52 | $1.12M |
| 2026-05-13 | ARM | ARM HOLDINGS PLC /UK | S — Open-market sale | 1.8K | $208.68 | $386K |
| 2026-05-13 | ARM | ARM HOLDINGS PLC /UK | S — Open-market sale | 836 | $207.77 | $174K |
According to the most recent SEC filing dated 2026-05-13, Collins Spencer is listed as Chief Legal Officer of ARM Holdings plc, a UK-based semiconductor IP designer and licensor. Public biographical information is limited; the SEC filing identifies him in this executive role, implying responsibility for ARM's global legal affairs, corporate governance, regulatory compliance, in…
3 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 9 open-market sales ($19.80M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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