SEC ownership of ARGAN INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000100591.

Comparable stake leader

BlackRock, Inc.

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

31 Mar 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
31 Mar 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0000100591
Issuer location
Arlington, VA

Ownership snapshot

Top shareholders of ARGAN INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
31 Mar 2026
13F 13D/G 3/4/5 Lead comparable stake: 14% 13D/G row: BlackRock, Inc. Showing 1-8 of 50 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 14%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock, Inc. 14%
FIRST TRUST PORTFOLIOS LP 5.9%
WELLINGTON MANAGEMENT GROUP LLP 4.6%
Rainer H. Bosselmann 1.4%
FIRST TRUST ADVISORS LP 5.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13F 13D/G
Company
14%
from 13D/G
$1,156,454,890
2,123,299 shares
31 Mar 2026
FIRST TRUST PORTFOLIOS LP
13D/G
First Trust Portfolios L.P.
5.9%
$447,318,322
821,295 shares
$0 31 Mar 2026
WELLINGTON MANAGEMENT GROUP LLP
13D/G
4.6%
$93,531,966
629,167 shares
$0 31 Dec 2024
Rainer H. Bosselmann
3/4/5
Former CEO & Director
1.4%
$47,764,320
196,723 shares
mixed-class rows
15 Sep 2025
FIRST TRUST ADVISORS LP
13F
Company
13F
5.7%
$431,010,388
791,353 shares
31 Mar 2026
RENAISSANCE TECHNOLOGIES LLC
13F
Company
13F
4.4%
$332,726,140
610,899 shares
31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC
13F
Company
13F
4.2%
$319,963,357
587,466 shares
31 Mar 2026
STATE STREET CORP
13F
Company
13F
3.7%
$281,941,340
517,656 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$144,356,603.

Buys
$0
Insiders: 0
Sells
$144,356,603
Insiders: 12
Net
-$144,356,603
Shares: -336,284
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 336,284
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 136,040 $0 $85,755,149 -$85,755,149
3-6 0 54,915 $0 $19,854,754 -$19,854,754
6-9 0 114,884 $0 $31,740,708 -$31,740,708
9-12 0 30,445 $0 $7,005,991 -$7,005,991

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-16 of 16 reporting-owner rows connected to ARGAN INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows
16
Largest Forms 3/4/5 holder
William F. Griffin Jr.
Net 12M change
-$139,396,606
Latest report
17 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
William F. Griffin Jr. Director, GEMMA, NON-EXECUTIVE CHAIRMAN $100,851,598 -$32,173,000 -24% Mixed 12 Jun 2026
Rainer H. Bosselmann Former CEO & Director $47,764,320 Mixed 15 Sep 2025
David H. Watson PRESIDENT AND CEO, Director $31,181,937 -$20,846,604 -40% Mixed 15 Jun 2026
James W. Quinn Director $28,848,829 -$8,256,565 -22% Mixed 10 Jun 2026
William F. Leimkuhler Director $21,283,352 -$20,757,220 -49% Mixed 10 Jun 2026
Charles E. Collins IV Chief Executive Officer, Gemma $20,748,687 -$20,647,254 -50% Mixed 20 Apr 2026
Cynthia A. Flanders Director $15,992,480 -$13,625,561 -46% Mixed 15 Jun 2026
John R. Jeffrey Jr. Director $6,780,745 -$11,201,878 -62% Mixed 10 Jun 2026
W. G. Champion Mitchell Director $6,573,535 Mixed 08 Oct 2024
Richard H. Deily Former CFO $4,653,825 -$389,403 -7.7% Mixed 12 Sep 2025
Peter W. Getsinger Director $4,191,079 -$10,812,000 -72% Mixed 15 Jun 2026
Joshua S. Baugher Chief Financial Officer $1,343,455 -$363,360 -21% Mixed 16 Apr 2026
Karen Sweeney Director $1,091,340 -$103,058 -8.6% Mixed 17 Jun 2026
Mano S. Koilpillai Former Director $932,735 Mixed 30 Jul 2024
Terrance C. Trebilcock President, Gemma Power Sys. $527,892 Mixed 16 Apr 2022
Alexander Lisa Larroque Director $480,925 -$220,703 -31% Median 10 Jun 2026

Recent insider transactions for ARGAN INC

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Karen A. Sweeney AGX Common Stock Sale -16.2% $211,500 $705.00 -300 1,548 17 Jun 2026 Direct
Peter W. Getsinger AGX Common Stock Sale -29.1% $1,398,000 $699.00 -2,000 4,880 17 Jun 2026 Direct
Peter W. Getsinger AGX Common Stock Sale -40.7% $3,350,497 $708.65 -4,728 6,880 16 Jun 2026 Direct
David H. Watson AGX Common Stock Sale -4.49% $1,329,818 $707.35 -1,880 40,005 16 Jun 2026 Direct
David H. Watson AGX Common Stock Options Exercise 4.7% 1,880 41,885 16 Jun 2026 Direct
David H. Watson AGX Option to Purchase Common Stock Options Exercise -54.8% -3,333 2,748 16 Jun 2026 Direct
Peter W. Getsinger AGX Common Stock Options Exercise 68.7% 4,728 11,608 15 Jun 2026 Direct
Peter W. Getsinger AGX Option to Purchase Common Stock Options Exercise -62.5% -5,000 3,000 15 Jun 2026 Direct
Cynthia A. Flanders AGX Common Stock Sale -10.1% $1,729,741 $666.31 -2,596 23,144 15 Jun 2026 Direct
David H. Watson AGX Common Stock Sale -20% $6,507,641 $651.22 -9,993 40,005 15 Jun 2026 Direct
William F. Griffin Jr. AGX Common Stock Sale -35.5% $32,173,000 $643.46 -50,000 90,976 12 Jun 2026 William F Griffin Jr GRAT II dtd Oct 6, 2025
William F. Leimkuhler AGX Common Stock Options Exercise 1.46% 533 37,028 10 Jun 2026 Direct
William F. Leimkuhler AGX Time-Based Restricted Stock Units Award 22.7% 189 1,023 10 Jun 2026 Direct
William F. Leimkuhler AGX Time-Based Restricted Stock Units Options Exercise -38.9% -530 834 10 Jun 2026 Direct
John R. Jeffrey Jr. AGX Common Stock Options Exercise 26.6% 533 2,533 10 Jun 2026 Direct
John R. Jeffrey Jr. AGX Time-Based Restricted Stock Units Award 22.7% 189 1,023 10 Jun 2026 Direct
John R. Jeffrey Jr. AGX Time-Based Restricted Stock Units Options Exercise -38.9% -530 834 10 Jun 2026 Direct
James W. Quinn AGX Common Stock Options Exercise 3.54% 533 15,580 10 Jun 2026 Direct
James W. Quinn AGX Time-Based Restricted Stock Units Award 22.7% 189 1,023 10 Jun 2026 Direct
James W. Quinn AGX Time-Based Restricted Stock Units Options Exercise -38.9% -530 834 10 Jun 2026 Direct
Peter W. Getsinger AGX Common Stock Options Exercise 8.4% 533 6,880 10 Jun 2026 Direct
Peter W. Getsinger AGX Time-Based Restricted Stock Units Award 22.7% 189 1,023 10 Jun 2026 Direct
Peter W. Getsinger AGX Time-Based Restricted Stock Units Options Exercise -38.9% -530 834 10 Jun 2026 Direct
Alexander Lisa Larroque AGX Common Stock Options Exercise 152.3% 533 883 10 Jun 2026 Direct
Alexander Lisa Larroque AGX Time-Based Restricted Stock Units Award 189 189 10 Jun 2026 Direct
Alexander Lisa Larroque AGX Time-Based Restricted Stock Units Options Exercise -100% -530 0 10 Jun 2026 Direct
Cynthia A. Flanders AGX Common Stock Options Exercise 2.11% 533 25,740 10 Jun 2026 Direct
Cynthia A. Flanders AGX Common Stock Gift -3.82% -1,000 25,207 10 Jun 2026 Direct
Cynthia A. Flanders AGX Time-Based Restricted Stock Units Award 22.7% 189 1,023 10 Jun 2026 Direct
Cynthia A. Flanders AGX Time-Based Restricted Stock Units Options Exercise -38.9% -530 834 10 Jun 2026 Direct
Karen A. Sweeney AGX Common Stock Options Exercise 40.5% 533 1,848 10 Jun 2026 Direct
Karen A. Sweeney AGX Time-Based Restricted Stock Unit Award 189 189 10 Jun 2026 Direct
Karen A. Sweeney AGX Time-Based Restricted Stock Unit Options Exercise -100% -530 0 10 Jun 2026 Direct
Peter W. Getsinger AGX Common Stock Gift -7.3% -500 6,347 29 Apr 2026 Direct
Peter W. Getsinger AGX Common Stock Sale -30.5% $1,885,080 $628.36 -3,000 6,847 29 Apr 2026 Direct
Alexander Lisa Larroque AGX Common Stock Sale -50% $220,703 $630.58 -350 350 29 Apr 2026 Direct
William F. Leimkuhler AGX Common Stock Sale -44.4% $247,444 $618.61 -400 500 28 Apr 2026 Self as Trustee for Elizabeth K Leimkuhler Trust
William F. Leimkuhler AGX Common Stock Sale -44.4% $248,456 $621.14 -400 500 28 Apr 2026 Self as Trustee for Emily K Leimkuhler Trust
William F. Leimkuhler AGX Common Stock Sale -12% $3,087,050 $617.41 -5,000 36,495 28 Apr 2026 Direct
John R. Jeffrey Jr. AGX Common Stock Sale -57.4% $1,793,738 $664.84 -2,698 2,000 27 Apr 2026 Direct
Charles E. Collins IV AGX Common Stock Sale -26.7% $6,879,979 $621.61 -11,068 30,320 21 Apr 2026 Direct
Charles E. Collins IV AGX Common Stock Options Exercise 36.5% 11,068 41,388 21 Apr 2026 Direct
Charles E. Collins IV AGX Option to Purchase Common Stock Options Exercise -88.1% -11,068 1,499 21 Apr 2026 Direct
John R. Jeffrey Jr. AGX Common Stock Options Exercise 4,698 4,698 21 Apr 2026 Direct
John R. Jeffrey Jr. AGX Common Stock Sale -100% $2,237,594 $615.40 -3,636 0 21 Apr 2026 Direct
John R. Jeffrey Jr. AGX Option to Purchase Common Stock Options Exercise -43.5% -5,000 6,500 21 Apr 2026 Direct
Charles E. Collins IV AGX Common Stock Sale -7.62% $1,525,000 $610.00 -2,500 30,320 20 Apr 2026 Direct
Charles E. Collins IV AGX Common Stock Options Exercise 8.25% 2,500 32,820 20 Apr 2026 Direct
Charles E. Collins IV AGX Option to Purchase Common Stock Options Exercise -16.6% -2,500 12,567 20 Apr 2026 Direct
Charles E. Collins IV AGX Common Stock Options Exercise 32.3% 7,406 30,320 17 Apr 2026 Direct
* marks a reported price that did not pass the local price check.
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