Mulligan Donal L

Director · TENNANT CO

Every open-market stock purchase Mulligan Donal L has reported to the SEC on Form 4 that met our signal bar, parsed straight from the filings. This page tracks where those buys landed inside insider clusters and how the prices paid compare to where the stock trades now.

Total bought
$1.8M
Open-market buys
6
Companies
3
Last buy
Aug 12, 2026

Where the buys stand today

  • TNC
    TENNANT CO

    3 purchases totalling $1.0M at an average of $65.18 per share. See all insider buying in TNC →

    Avg price paid
    $65.18
    Latest price
    —
    Market cap
    Unknown
  • ENR
    ENERGIZER HOLDINGS, INC.

    2 purchases totalling $497.6K at an average of $19.90 per share. See all insider buying in ENR →

    Avg price paid
    $19.90
    Latest price
    —
    Market cap
    Unknown
  • HLF
    HERBALIFE LTD.
    +33.4% vs price paid

    One purchase totalling $289.5K at an average of $9.65 per share; the stock last traded at $12.87. See all insider buying in HLF →

    Avg price paid
    $9.65
    Latest price
    $12.87
    Market cap
    $1.3B

Cluster participation

Qualifying buys grouped with other insiders buying the same stock — the pattern this site exists to catch.

All reported buys

DateTickerSharesPriceValueFiling
Aug 12, 2026
TNCcluster
8,000$67.34$538.7KSEC ↗
Feb 27, 2026
TNCcluster
3,000$61.61$184.8KSEC ↗
Feb 26, 2026
TNCcluster
5,000$63.86$319.3KSEC ↗
Dec 2, 2025
ENRcluster
15,000$17.40$261.0KSEC ↗
May 19, 2025
ENRcluster
10,000$23.66$236.6KSEC ↗
May 3, 2024
HLFcluster
30,000$9.65$289.5KSEC ↗

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About this data

Figures are parsed from Mulligan Donal L's Form 4 filings on SEC EDGAR (CIK 1406019) and cover open-market purchases (transaction code P) — grants, option exercises, and sales are excluded, which is why totals here can differ from raw filing counts. Every row links to its source document.

This page is informational and reflects public filing data. It is not investment advice.