Stock Trading Canary

United States · SEC Form 4 · Snapshot date: 2026-10-19 · Built: 2026-10-19 · 中文

← United States · Coverage record

US · SEC FORM 4

Vulcan Materials CO

VMC · NYSE · CIK 0001396009 · Basic Materials · Building Materials

INSIDER SIGNAL

No active buy signal

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

18 Form 4 transaction lines observed in the same window
6 sales · 12 option, withholding, award, gift or other lines

Last qualifying purchase2021-05-14 · Anderson Melissa H. · $95.7K

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.

Purchase breadth, concentration & cluster buying

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

Insider activity timeline

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

AprMayJunJulAugSepOct
Hill J ThomasDirector
○○▼
Clement David PSenior Vice President
▼▼
KENNARD LYDIA HDirector
○
HALL GRAYSONDirector
○
● Purchase▼ Sale○ Other

—

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: 2021-05-14 · Anderson Melissa H..

Recent Form 4 activity

0Purchases
18Sales
68Other Form 4 lines
35SEC filings · 365 days
BUYING0 qualifying P line(s) · 180 days
SELLING6 sale line(s) · context only
OTHER12 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
5,307,437
Previous report
5,543,643
Avg daily volume
1,424,485
Days to cover
3.7

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
2021-05-14Anderson Melissa H.Purchase (P)Common Stock500USD 191.46USD 95,730SEC filing ↗
2020-03-17STEINER DAVID PPurchase (P)Common Stock5,000USD 93.00USD 465,000SEC filing ↗

Form 4 evidence

86 transaction lines in the latest 365-day window; 458 in local history.

DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-08-21Hill J ThomasSale (S)Common Stock14,000USD 276.17USD 3,866,404SEC filing ↗
2026-08-12Hill J ThomasOption exercise / conversion (M)Common Stock121,970USD 153.39USD 18,709,562SEC filing ↗
2026-08-12Hill J ThomasTax withholding (F)Common Stock90,276USD 287.79USD 25,980,530SEC filing ↗
Show recent Form 4 evidence (30 grouped rows)
DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-08-21Hill J ThomasSale (S)Common Stock14,000USD 276.17USD 3,866,404SEC filing ↗
2026-08-12Hill J ThomasOption exercise / conversion (M)Common Stock121,970USD 153.39USD 18,709,562SEC filing ↗
2026-08-12Hill J ThomasTax withholding (F)Common Stock90,276USD 287.79USD 25,980,530SEC filing ↗
2026-08-07Clement David PSale (S)Common Stock2,000USD 285.10USD 570,200SEC filing ↗
2026-06-15Clement David PSale (S)Common Stock2,212USD 292.29USD 646,545SEC filing ↗
2026-06-12KENNARD LYDIA HOption exercise / conversion (M)Common Stock655USD —USD —SEC filing ↗
2026-06-12HALL GRAYSONOption exercise / conversion (M)Common Stock655USD —USD —SEC filing ↗
2026-02-23Shah Mitesh BansilalTax withholding (F)Common Stock134USD 305.29USD 40,909SEC filing ↗
2026-02-23Pruitt Ronnie ATax withholding (F)Common Stock4,267USD 305.29USD 1,302,672SEC filing ↗
2026-02-23Pigg Randy L.Tax withholding (F)Common Stock149USD 305.29USD 45,488SEC filing ↗
2026-02-23Perkins Jerry F JrTax withholding (F)Common Stock4,225USD 305.29USD 1,289,850SEC filing ↗
2026-02-23Hill J ThomasTax withholding (F)Common Stock3,755USD 305.29USD 1,146,364SEC filing ↗
2026-02-23Clement David PTax withholding (F)Common Stock3,457USD 305.29USD 1,055,388SEC filing ↗
2026-02-23Carlisle Mary AndrewsTax withholding (F)Common Stock790USD 305.29USD 241,179SEC filing ↗
2026-02-23Bass Stanley GTax withholding (F)Common Stock832USD 305.29USD 254,001SEC filing ↗
2026-02-23BAKER THOMPSON S IITax withholding (F)Common Stock951USD 305.29USD 290,331SEC filing ↗
2026-02-21Shah Mitesh BansilalOption exercise / conversion (M)Common Stock300USD —USD —SEC filing ↗
2026-02-21Pruitt Ronnie AOption exercise / conversion (M)Common Stock9,660USD —USD —SEC filing ↗
2026-02-21Pigg Randy L.Option exercise / conversion (M)Common Stock420USD —USD —SEC filing ↗
2026-02-21Perkins Jerry F JrOption exercise / conversion (M)Common Stock9,560USD —USD —SEC filing ↗
2026-02-21Hill J ThomasOption exercise / conversion (M)Common Stock8,940USD —USD —SEC filing ↗
2026-02-21Clement David POption exercise / conversion (M)Common Stock9,341USD —USD —SEC filing ↗
2026-02-21Carlisle Mary AndrewsOption exercise / conversion (M)Common Stock1,780USD —USD —SEC filing ↗
2026-02-21Bass Stanley GOption exercise / conversion (M)Common Stock1,980USD —USD —SEC filing ↗
2026-02-21BAKER THOMPSON S IIOption exercise / conversion (M)Common Stock2,570USD —USD —SEC filing ↗
2026-02-20Anderson Melissa H.Sale (S)Common Stock1,137USD 303.72USD 345,330SEC filing ↗
2026-02-13Shah Mitesh BansilalOption exercise / conversion (M)Common Stock1,684USD —USD —SEC filing ↗
2026-02-13Shah Mitesh BansilalTax withholding (F)Common Stock771USD 321.92USD 248,200SEC filing ↗
2026-02-13Pruitt Ronnie AOption exercise / conversion (M)Common Stock6,212USD —USD —SEC filing ↗
2026-02-13Pruitt Ronnie ATax withholding (F)Common Stock2,306USD 321.92USD 742,348SEC 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 date2026-10-19
Ranking versionUS-v1.2
Data qualityPASS ELIGIBLE · —
TickerVMC
CIK0001396009
SectorBasic Materials
IndustryBuilding Materials Yahoo Finance
SEC SIC1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)
ExchangeNYSE

Data coverage

Local Form 4 history458 transaction lines from 2020-02-10 to 2026-08-21
2 P purchase lines · 86 S sale lines · 370 other lines
SEC company submissionsOpen SEC filings ↗

Local ledger as of 2026-10-19. Mapping status is an audit field and does not erase SEC filing evidence.