Argan Inc (AGX) Insider Ownership

Historic Insider Ownership Trends

AGX's three largest insider shareholders as of March 23, 2026 are Rainer H Bosselmann (Director, 196.72K shares), William F Jr Griffin (Director, 140.98K shares), William F. Leimkuhler (Director, 49.94K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Rainer H Bosselmann 196,723 0 11 Jun, 2025
William F Jr Griffin 0 140,976 09 Dec, 2025
William F. Leimkuhler 49,939 0 21 Jan, 2026
David Hibbert Watson President And Ceo 47,132 0 10 Oct, 2025
Cynthia Flanders 26,207 0 23 Jan, 2026
Charles Edwin Iv Collins Chief Executive Officer, Gemma 21,006 0 17 Oct, 2025
John Ronald Jr. Jeffrey 8,192 0 29 Jan, 2026
John Ronald Jr. Jeffrey 0 8,000 09 May, 2022
Peter W Getsinger 7,847 0 09 Jan, 2026
Richard H Deily Compliance Officer, Former Cfo 7,802 0 31 Jul, 2025
James W Quinn 7,278 0 17 Dec, 2025
Mano S Koilpillai 4,975 0 31 Jul, 2024
W G Champion Mitchell 0 2,500 23 Apr, 2024
Terrance Colin Trebilcock President, Gemma Power Sys. 1,705 0 19 Apr, 2022
Karen Sweeney 1,315 0 22 Sep, 2025
Joshua Scott Baugher Chief Financial Officer 1,235 0 06 May, 2025
William F. Leimkuhler 0 900 29 Dec, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
27 Jan, 2026 John Ronald Jr. Jeffrey Common Stock D 5,000 $360.78 8,192 D S
21 Jan, 2026 Cynthia Flanders Common Stock D 19,000 $386.70 26,207 D S
16 Jan, 2026 John Ronald Jr. Jeffrey Common Stock A 8,636 $45.75 15,892 D M
16 Jan, 2026 William F. Leimkuhler Common Stock D 11,044 $379.15 49,939 D S
20 Jan, 2026 John Ronald Jr. Jeffrey Common Stock D 2,700 $380.60 13,192 D S
16 Jan, 2026 John Ronald Jr. Jeffrey Option to Purchase Common Stock D 10,000 $45.75 11,500 D M
12 Jan, 2026 William F. Leimkuhler Common Stock D 2,164 $318.28 65,195 D S
13 Jan, 2026 Cynthia Flanders Common Stock A 8,713 $40.15 27,841 D M
13 Jan, 2026 William F. Leimkuhler Common Stock D 4,212 $320.53 60,983 D S
13 Jan, 2026 Cynthia Flanders Common Stock A 8,534 $45.75 36,375 D M
13 Jan, 2026 Cynthia Flanders Common Stock A 4,405 $37.13 40,780 D M
13 Jan, 2026 Cynthia Flanders Common Stock A 4,427 $35.72 45,207 D M
13 Jan, 2026 Cynthia Flanders Option to Purchase Common Stock D 10,000 $40.15 21,500 D M
13 Jan, 2026 Cynthia Flanders Option to Purchase Common Stock D 10,000 $45.75 11,500 D M
13 Jan, 2026 Cynthia Flanders Option to Purchase Common Stock D 5,000 $37.13 6,500 D M
13 Jan, 2026 Cynthia Flanders Option to Purchase Common Stock D 5,000 $35.72 1,500 D M
07 Jan, 2026 Peter W Getsinger Common Stock D 4,000 $328.34 7,847 D S
07 Jan, 2026 William F. Leimkuhler Common Stock A 8,794 $40.15 49,828 D M
07 Jan, 2026 William F. Leimkuhler Common Stock A 8,626 $45.75 58,454 D M
07 Jan, 2026 Peter W Getsinger Common Stock A 6,595 $40.15 14,442 D M