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William Abbey

NPO
DIRECTOR · ENPRO INC. · CIK 0001945497
FILING MIX · LIFETIME74%/26%
BUYS
40
SELLS
14
TOTAL VALUE
$16.17M
COMPANIES
2
ACTIVE SINCE
Sep 2022
HOLDINGS NOW
22,161
AVG SELL PX
$257.44
TRADE KIND
SHOWING 54 / 54
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
No backtest data available for William Abbey. Backtests are computed for purchase (P) and sale (S) transactions with resolvable price history.
Holdings over time
NPO · 1,598.057 shares · as of Jun 30, 2026
08401,6802,5193,3592023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 40 buys / 14 sellsCOVERAGE · 16 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
66.325$376.93$25.0K1,598.057Jun 30, 2026Jul 1, 2026 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
1.347$363.62$4901,531.732Jun 17, 2026Jun 18, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
SALE
Chief Commercial Officer
2,644$383.73$1.01M24,485Jun 1, 2026Jun 3, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
SALE
Chief Commercial Officer
3,922$415.52$1.63M20,563Jun 1, 2026Jun 3, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
SALE
Chief Commercial Officer
4,200$343.81$1.44M27,129May 28, 2026Jun 1, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
SALE
Chief Commercial Officer
2,300$305.82$703.4K31,329May 22, 2026May 26, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
SALE
Chief Commercial Officer
4,655$287.03$1.34M33,629May 21, 2026May 22, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
SALE
Chief Commercial Officer
5,069$257.18$1.30M38,284May 20, 2026May 21, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
SALE
Chief Commercial Officer
10,887$224.14$2.44M43,353May 19, 2026May 21, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
PURCHASEGRANT
Stock grant
4,444——58,862May 15, 2026May 19, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
SALE
Chief Commercial Officer
1,751——54,431May 15, 2026May 19, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
PURCHASE
Chief Commercial Officer
1,751——54,418May 15, 2026May 19, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
SALE10b5-1
10b5-1 plan
7,000$212.55$1.49M57,394May 15, 2026May 19, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
PURCHASEGRANT
Stock grant
5,566——56,182May 15, 2026May 19, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
SALE
Chief Commercial Officer
1,743——52,688May 15, 2026May 19, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
SALE
Chief Commercial Officer
4,706——47,982May 15, 2026May 19, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
PURCHASE
Chief Commercial Officer
4,706——79,711May 15, 2026May 19, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
SALE
Chief Commercial Officer
15,317$209.16$3.20M64,394May 15, 2026May 19, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
PURCHASEGRANT
Stock grant
4,466——52,667May 15, 2026May 19, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
PURCHASEGRANT
Stock grant
14,400——75,005May 15, 2026May 19, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
PURCHASE
Chief Commercial Officer
1,743——60,605May 15, 2026May 19, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
SALE10b5-1
10b5-1 plan
1,577$221.99$350.1K55,817Apr 24, 2026May 19, 2026 ↗View →
ARM
ARM HOLDINGS PLC /UK
SALE10b5-1
10b5-1 plan
1,577$199.00$313.8K54,240Apr 23, 2026May 19, 2026 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
99.741$250.65$25.0K1,530.385Mar 31, 2026Apr 2, 2026 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
1.825$250.59$4571,430.645Mar 18, 2026Mar 19, 2026 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
567$246.91$140.0K3,359Feb 12, 2026Feb 12, 2026 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
116.752$214.13$25.0K1,428.82Dec 31, 2025Jan 5, 2026 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
1.979$205.19$4061,312.069Dec 17, 2025Dec 18, 2025 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
110.62$226.00$25.0K1,310.089Sep 30, 2025Oct 1, 2025 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
1.704$217.89$3711,199.47Sep 17, 2025Sep 18, 2025 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
130.514$191.55$25.0K1,197.766Jun 30, 2025Jul 1, 2025 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
1.777$185.86$3301,067.251Jun 18, 2025Jun 20, 2025 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
154.521$161.79$25.0K1,065.474Mar 31, 2025Apr 1, 2025 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
1.604$175.76$282910.953Mar 19, 2025Mar 20, 2025 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
685$182.27$124.9K2,792Feb 13, 2025Feb 13, 2025 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
144.97$172.45$25.0K909.349Dec 31, 2024Jan 2, 2025 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
1.302$175.86$229764.38Dec 18, 2024Dec 19, 2024 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
154.15$162.18$25.0K763.078Sep 30, 2024Oct 2, 2024 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
1.163$156.77$182608.928Sep 18, 2024Sep 19, 2024 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
171.739$145.57$25.0K607.765Jun 30, 2024Jul 1, 2024 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
0.889$146.91$131436.026Jun 20, 2024Jun 24, 2024 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
148.131$168.77$25.0K435.138Mar 31, 2024Apr 1, 2024 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
0.538$159.77$86287.007Mar 20, 2024Mar 21, 2024 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
803$155.66$125.0K1,089.469Feb 15, 2024Feb 15, 2024 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
803$155.66$125.0K2,107Feb 15, 2024Feb 20, 2024 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
0.59$140.49$83286.469Dec 13, 2023Dec 14, 2023 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
0.668$123.90$83285.879Sep 13, 2023Sep 14, 2023 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
0.656$125.72$83285.212Jun 14, 2023Jun 15, 2023 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
0.858$95.94$82284.555Mar 15, 2023Mar 16, 2023 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
942$116.69$109.9K1,304Feb 16, 2023Feb 17, 2023 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
207.011$108.69$22.5K283.698Dec 31, 2022Jan 3, 2023 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
0.198$107.94$2176.687Dec 14, 2022Dec 15, 2022 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
76.489$84.98$6.5K76.489Sep 30, 2022Oct 3, 2022 ↗View →
NPO
ENPRO INC.
PURCHASEGRANT
Stock grant
362$98.34$35.6K362Sep 5, 2022Sep 6, 2022 ↗View →
Other insiders · NPO
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About this filer
CIK 0001945497
ROLE
Director
PRIMARY
NPO
COMPANIES
2
ACTIVE SINCE
Sep 2022
MARKETPEEL · /INSIDER/0001945497DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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