ARMArm Holdings plc
Technology · SemiconductorsNasdaqStockMkt cap $282B
Disclosed trades
4
0 in 30d · 0 in 90d
Politicians
2
Last trade Dec 11, 2025
Buys
2
$83K at range midpoints
Sells
2
$83K at range midpoints
Closing price · 365 days
Sep 24, 2025 – Sep 23, 2026
Monthly buys vs sells · 24 months
Counts of disclosed transactions
- Buys
- Sells (incl. partial)
Politicians who traded it
| Politician | Seat | Trades | Buys | Sells | Bought (mid) | Sold (mid) | Last trade | Est. position Estimated |
|---|---|---|---|---|---|---|---|---|
| DCleo Fields | House · LA-06 | 2 | 1 | 1 | $75K | $75K | Dec 11, 2025 | — |
| DJonathan L. Jackson | House · IL-01 | 2 | 1 | 1 | $8K | $8K | Sep 2, 2025 | — |
Recent trades
| Politician | Ticker | Asset | Type | Owner | Amount | Traded | Filed | Source |
|---|---|---|---|---|---|---|---|---|
| DCleo Fields | ARM | Arm Holdings plc - American Depositary Shares (ARM) | Sell | Self | $50,001 - $100,000 | Dec 11, 2025 | Dec 17, 20256d | Filing |
| DJonathan L. Jackson | ARM | Arm Holdings plc - American Depositary Shares (ARM) | Sell | Spouse | $1,001 - $15,000 | Sep 2, 2025 | Oct 15, 202543d | Filing |
| DJonathan L. Jackson | ARM | Arm Holdings plc - American Depositary Shares (ARM) | Buy | Spouse | $1,001 - $15,000 | Jul 17, 2025 | Aug 25, 202539d | Filing |
| DCleo Fields | ARM | Arm Holdings plc - American Depositary Shares (ARM) | Buy | Self | $50,001 - $100,000 | Jul 16, 2025 | Aug 6, 202521d | Filing |
Insider activity Filed
Insiders
13
Semiconductors & Related Devices
Open-market buys · 90d
0
$0 bought
Open-market sells · 90d
2
$5.8M sold
Net · 90d
-$5.8M
-$72.2M net over 12 months · last Sep 21, 2026
| Date | Insider | Kind | Security | Shares | Price | Value | Post-holdings | D/I | 10b5-1 | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 21, 2026filed Sep 23, 2026 | Jason ChildChief Financial Officer | Sale | Ordinary Shares | −10,400 | $300.00 | $3,120,000 | 153,442 | D | 10b5-1 | 4 |
| Sep 14, 2026filed Sep 16, 2026 | William AbbeyChief Commercial Officer | Award | Restricted Stock Unitsderiv. | 17,288 | $0.00 | — | 65,270 | D | — | 4 |
| Sep 9, 2026filed Sep 10, 2026 | Rene A. HaasChief Executive Officer | Award | Restricted Stock Unitsderiv. | 425,000 | $0.00 | — | 425,000 | D | — | 4 |
| Aug 31, 2026filed Sep 10, 2026 | Rene A. HaasChief Executive Officer | Award | Ordinary Shares | 64 | $108.33 | $6,933 | 338,666 | D | — | 4 |
| Aug 27, 2026filed Aug 31, 2026 | Jason ChildChief Financial Officer | Sale | Ordinary Shares | −10,400 | $255.33 | $2,655,432 | 163,832 | D | 10b5-1 | 4 |
| Aug 17, 2026filed Aug 18, 2026 | Laura Kathleen BartelsChief Accounting Officer | Exercise | Restricted Stock Unitsderiv. | −819 | $0.00 | — | 99,571 | D | — | 4 |
| Aug 17, 2026filed Aug 18, 2026 | Laura Kathleen BartelsChief Accounting Officer | Exercise | Restricted Stock Unitsderiv. | −862 | $0.00 | — | 100,390 | D | — | 4 |
| Aug 17, 2026filed Aug 18, 2026 | Laura Kathleen BartelsChief Accounting Officer | Withholding | Ordinary Shares | −856 | $271.43 | $232,344 | 12,960 | D | — | 4 |
| Aug 17, 2026filed Aug 18, 2026 | Laura Kathleen BartelsChief Accounting Officer | Exercise | Ordinary Shares | 819 | — | — | 13,816 | D | — | 4 |
| Aug 17, 2026filed Aug 18, 2026 | Laura Kathleen BartelsChief Accounting Officer | Exercise | Ordinary Shares | 862 | — | — | 12,997 | D | — | 4 |
Shares, prices and post-transaction holdings are exactly as reported on SEC Form 4. Net figures count open-market buys minus open-market sales only (awards, exercises, withholding and gifts are excluded).
Unusual activity Estimated
- 27Exec saleMay 20, 2026
ARM CFO Jason Child sold $7.2M (10b5-1 plan)
Details
- Insider
- Jason Child
- Company
- ARM HOLDINGS PLC /UK
- Ticker
- ARM
- Tx kind
- open_market_sale
- Tx date
- May 20, 2026
- Shares
- 31,920
- Price
- $227
- Value
- $7.2M
- Is 10b5 1
- Yes
- 41Well timedDec 11, 2025
Rep. Cleo Fields's ARM sale avoided a 16% drop over 30 days
Details
- Politician
- Cleo Fields
- Ticker
- ARM
- Asset
- Arm Holdings plc - American Depositary Shares (ARM)
- Tx type
- sell
- Tx date
- Dec 11, 2025
- Filing date
- Dec 17, 2025
- Amount low
- $50,001
- Amount high
- $100K
- Amount mid
- $75,001
- Disclosed range
- $50,001 - $100,000
- Reporting lag days
- 6
- Is whale
- No
- Entry date
- Dec 11, 2025
- Entry close
- 136.14
- Exit date
- Jan 27, 2026
- Exit close
- 114.88
- Forward return
- -15.6%
- Sign adjusted return
- +15.6%
- N trading days
- 30
- 28First-time tickerJul 16, 2025
First-ever ARM trade for Rep. Cleo Fields: $50K–$100K buy
Details
- Politician
- Cleo Fields
- Ticker
- ARM
- Asset
- Arm Holdings plc - American Depositary Shares (ARM)
- Tx type
- buy
- Tx date
- Jul 16, 2025
- Filing date
- Aug 6, 2025
- Amount low
- $50,001
- Amount high
- $100K
- Amount mid
- $75,001
- Disclosed range
- $50,001 - $100,000
- Reporting lag days
- 21
- Is whale
- No