Insider trade

CFO sold ~$1.1M of ON shares in the open market

Traded Dec 3, 2025 · Filed Dec 5, 2025

ON SemiconductorON

~$1.1M
Reported value · 20K sh @ $55.0486: 379K
Holds after · shares reported: +40.1%
stock since the trade · S&P 500 +11.7%, $57.15 → $80.08 on Oct 1

Why it stands out

The money chief of ON Semiconductor sold $1.1M of ON Semiconductor shares. It happened by itself, for taxes or pay.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Dec 3, 2025
Reporting period: Not applicable
Filed with the SEC: Dec 5, 2025

CFO$1M+Pre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$1,100,972

Shares × reported transaction price

Timing vs results

30 days after results of Nov 3, 2025, 68 days before results of Feb 9, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $57.15 on Dec 3, 2025, 79% above its 52-week low and 16% below its high, after a 4% rise over the previous 30 trading days

52-week range $31.95 (Apr 8, 2025) to $67.97 (Dec 11, 2024), 70% of the way up, from 250 adjusted closes. 30 trading days earlier: $55.08 on Oct 21, 2025. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references an employee stock purchase plan

Only flagged when a footnote says so; never inferred

Securities lawsuit open at the trade date

A securities lawsuit naming the company as a defendant was filed on Mar 20, 2024 in the U.S. District Court, D. Arizona. A filing is an allegation, not a finding.

Lew v. ON Semiconductor Corporation, docket 2:24-cv-00594, via CourtListener (court records). Nature of suit 850, company named as first defendant

After it was reported

After	Stock	S&P 500	Difference
7 days	+0.4%	-0.6%	+1.0%
30 days	+7.2%	+0.3%	+6.9%
90 days	+11.2%	-0.6%	+11.8%
180 days	+144.7%	+10.0%	+134.7%

Past results only. Not a forecast.

Source receipt

Record ID: 0001225208-25-009675
Filed / recorded: Dec 5, 2025, 3:04 AM UTC
Added to OQRO: Oct 2, 2026, 12:28 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: ON SEMICONDUCTOR CORP
Issuer CIK: 1097864
Ticker: ON
Reporting person: Trent Thad
Relationship: Officer
Officer title: Exec VP & CFO
Security: Common
Table: Non-derivative (Table I)
Transaction date: Dec 3, 2025
Transaction code: S
Shares / units: 20,000
Price per share: $55.0486
Acquired / disposed: Disposed (D)
Shares owned after: 379,448
Ownership form: Direct
Amendment: No

Footnotes from the filing

This disposition transaction was executed in multiple trades at prices ranging from $54.85 to $55.26. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Includes an additional 372 shares that were acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan since his last Section 16 filing.