Stock Trading Canary

United States · SEC Form 4 · Snapshot date: 2026-10-18 · Built: 2026-10-18 · 中文

← United States · Coverage record

US · SEC FORM 4

MUELLER INDUSTRIES INC

MLI · NYSE · CIK 0000089439 · Basic Materials · Metal Fabrication

INSIDER SIGNAL

No active buy signal

0 qualifying P purchase groups
in the current 180-day scoring window

29 Form 4 transaction lines observed in the same window
9 sales · 20 option, withholding, award, gift or other lines

Last qualifying purchase2022-12-15 · Herzog Charles P Jr · $1.1K

WHY NO ACTIVE SIGNAL?

Purchase activityNone
Recent buyingNone
Recent salesModerate
Buy signal statusInactive
Score anatomy

No score is calculated because there is no qualifying purchase in the active window. Unavailable inputs are not treated as zero or as a bearish signal.

ClusterNot calculated
Purchase sizeNot calculated
RoleNot calculated
RecencyNot calculated
ConvictionNot calculated

Why is there no score?

  • No qualifying open-market purchase supplies cluster, size, role, recency or conviction inputs.
  • Sales and other Form 4 activity remain visible as context and do not create a negative score.

Sales and other Form 4 activity are shown separately and do not create a negative buy signal. Absence of buying is not scored as bearish.

Insider activity timeline

Owner lanes show the latest 180 days. Symbol shape identifies the transaction type; sales remain context only.

AprMayJunJulAugSepOct
Christopher Gregory L.Chairman of the Board & CEO
▼○○○▼▼
Martin Jeffrey AndrewEVP, CFO & Treasurer
○○○▼
GOLDMAN SCOTT JAYDirector
○▼▼
HANSEN JOHN BDirector
○○▼
GLADSTEIN GARY SDirector
○○○
Pieralisi DanielExecutive VP - Admin
○○
● Purchase▼ Sale○ Other

Showing the six most active owners; 5 additional owner(s) remain in Form 4 evidence.

Purchase breadth, concentration & cluster buying

These modules activate when qualifying purchases enter the 180-day research window.

SIGNAL HISTORY

No recorded active-signal snapshot

Scores are archived only when the company qualifies for a published US buy-signal snapshot. Last qualifying purchase: 2022-12-15 · Herzog Charles P Jr.

Recent Form 4 activity

0Purchases
17Sales
31Other Form 4 lines
31SEC filings · 365 days
BUYING0 qualifying P line(s) · 180 days
SELLING9 sale line(s) · context only
OTHER20 exercise / withholding / award / gift / other lines
10b5-1 / PLANNEDNot assessed

P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.

Market context

Market context has not been captured for this ticker yet. The daily market-context job processes the US universe in rotating batches.

Short interest

Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.

Shares short
4,779,613
Previous report
5,355,366
Avg daily volume
2,220,590
Days to cover
2.1

FINRA settlement date: 2026-09-30 · Captured 2026-10-12 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.

Historical equity purchases

Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.

Transaction dateReporting ownerTypeSecuritySharesAvg. priceApprox. valueSource
2022-12-15Herzog Charles P JrPurchase (P)Common Stock35USD 30.78USD 1,077SEC filing ↗
2022-09-15Herzog Charles P JrPurchase (P)Common Stock35USD 30.03USD 1,051SEC filing ↗
2022-05-15Herzog Charles P JrPurchase (P)Common Stock41USD 25.56USD 1,048SEC filing ↗
2022-03-31Herzog Charles P JrPurchase (P)Common Stock39USD 28.88USD 1,126SEC filing ↗
2021-10-21GLADSTEIN GARY SPurchase (P)Common Stock11,399USD 47.71USD 543,846SEC filing ↗
2021-02-18GOLDMAN SCOTT JAYPurchase (P)Common Stock400USD 37.07USD 14,828SEC filing ↗

Form 4 evidence

48 transaction lines in the latest 365-day window; 337 in local history.

DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-08-27GOLDMAN SCOTT JAYSale (S)Common Stock2,000USD 64.08USD 128,160SEC filing ↗
2026-08-13Martin Jeffrey AndrewSale (S)Common Stock86,209USD 67.03USD 5,778,589SEC filing ↗
2026-08-11Christopher Gregory L.Sale (S)Common Stock270,000USD 68.70USD 18,548,100SEC filing ↗
Show recent Form 4 evidence (30 grouped rows)
DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-08-27GOLDMAN SCOTT JAYSale (S)Common Stock2,000USD 64.08USD 128,160SEC filing ↗
2026-08-13Martin Jeffrey AndrewSale (S)Common Stock86,209USD 67.03USD 5,778,589SEC filing ↗
2026-08-11Christopher Gregory L.Sale (S)Common Stock270,000USD 68.70USD 18,548,100SEC filing ↗
2026-08-10Christopher Gregory L.Sale (S)Common Stock70,000USD 69.09USD 4,836,300SEC filing ↗
2026-08-05Pieralisi DanielAward / grant (A)Common Stock6,000USD 0.00USD 0SEC filing ↗
2026-08-05Miritello Christopher JohnAward / grant (A)Common Stock9,000USD 0.00USD 0SEC filing ↗
2026-08-05Martin Jeffrey AndrewAward / grant (A)Common Stock34,000USD 0.00USD 0SEC filing ↗
2026-08-05Christopher Gregory L.Award / grant (A)Common Stock125,000USD 0.00USD 0SEC filing ↗
2026-08-04HANSEN JOHN BSale (S)Common Stock3,444USD 67.84USD 233,638SEC filing ↗
2026-08-04HANSEN JOHN BGift (G)Common Stock250USD 0.00USD 0SEC filing ↗
2026-07-30Pieralisi DanielTax withholding (F)Common Stock1,808USD 66.57USD 120,359SEC filing ↗
2026-07-30Martin Jeffrey AndrewTax withholding (F)Common Stock57,791USD 66.57USD 3,847,147SEC filing ↗
2026-07-30Martin Jeffrey AndrewAward / grant (A)Common Stock72,000USD 0.00USD 0SEC filing ↗
2026-07-30Christopher Gregory L.Tax withholding (F)Common Stock205,972USD 66.57USD 13,711,556SEC filing ↗
2026-07-30Christopher Gregory L.Award / grant (A)Common Stock270,000USD 0.00USD 0SEC filing ↗
2026-05-29GOLDMAN SCOTT JAYSale (S)Common Stock2,000USD 127.91USD 255,820SEC filing ↗
2026-05-08Herzog Charles P JrGift (G)Common Stock1,222USD 0.00USD 0SEC filing ↗
2026-05-08Herzog Charles P JrAward / grant (A)Common Stock1,222USD 0.00USD 0SEC filing ↗
2026-05-08HERMANSON TERRYAward / grant (A)Common Stock1,222USD 0.00USD 0SEC filing ↗
2026-05-08HANSEN JOHN BAward / grant (A)Common Stock1,222USD 0.00USD 0SEC filing ↗
2026-05-08GOLDMAN SCOTT JAYAward / grant (A)Common Stock1,222USD 0.00USD 0SEC filing ↗
2026-05-08GLADSTEIN GARY SAward / grant (A)Common Stock1,222USD 0.00USD 0SEC filing ↗
2026-05-08Drummond William C.Award / grant (A)Common Stock1,222USD 0.00USD 0SEC filing ↗
2026-05-08DONOVAN ELIZABETH MAward / grant (A)Common Stock1,222USD 0.00USD 0SEC filing ↗
2026-05-01GLADSTEIN GARY SOption exercise / conversion (M)Common Stock9,778USD 12.63USD 123,496SEC filing ↗
2026-05-01GLADSTEIN GARY STax withholding (F)Common Stock919USD 134.24USD 123,367SEC filing ↗
2026-04-27Christopher Gregory L.Sale (S)Common Stock103,266USD 137.29USD 14,177,389SEC filing ↗
2026-02-26HERMANSON TERRYGift (G)Common Stock13,500USD 0.00USD 0SEC filing ↗
2026-02-25Christopher Gregory L.Gift (G)Common Stock26,672USD 0.00USD 0SEC filing ↗
2026-02-13GOLDMAN SCOTT JAYSale (S)Common Stock4,430USD 118.97USD 527,037SEC filing ↗

Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.

Snapshot & identity

Snapshot date2026-10-18
Ranking versionUS-v1.2
Data qualityPASS ELIGIBLE · —
TickerMLI
CIK0000089439
SectorBasic Materials
IndustryMetal Fabrication Yahoo Finance
SEC SIC3350 Rolling Drawing & Extruding of Nonferrous Metals
ExchangeNYSE

Data coverage

Local Form 4 history337 transaction lines from 2020-02-04 to 2026-08-27
6 P purchase lines · 100 S sale lines · 231 other lines
SEC company submissionsOpen SEC filings ↗

Local ledger as of 2026-10-18. Mapping status is an audit field and does not erase SEC filing evidence.