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NYSE · CIK 0001877939

CTM Castellum, Inc.

Insider trading from SEC Form 4. Last filing 11 d ago. Close $0.62 on Oct 9, 2026, +15% from the 52-week low and -52% from the high.

Last 90 days

Net insider value
+$34k
more bought than sold
Buys
5
$34k by 4 insiders
Sells
0
$0 by 0 insiders
Insiders on file
10
with a Form 4 at this company

Price and insider trades, last year

CTMOct 9, 2026 · close 0.62

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at Castellum, Inc., scored.

ScoreInsiderValueHoldingsPrice contextFiled
48ModerateDavid T Bell
Chief Financial Officer
buy
$747
1,396 shares
+8%+16% from low-52% from high
38WeakGlen R Ives
President
buy
$910
1,700 shares
+1%+16% from low-52% from high
43ModerateAndrew Merriman
Chief Operating Officer
buy
$747
1,396 shares
+0%+16% from low-52% from high
41ModerateTammy L Martin
General Counsel and Secretary
buy
$747
1,396 shares
+9%+16% from low-52% from high
28WeakAndrew Merriman
Chief Operating Officer
buy
$31k
50,000 shares
+9%-
20WeakCharles Thomas McMillen
director
sell
$21k
30,000 shares
-11%+3% from low-53% from high
51ModerateGlen R Ives
President
buy
$1,231
2,000 shares
+1%0% from low-58% from high
46ModerateAndrew Merriman
Chief Operating Officer
buy
$1,285
2,000 shares
+0%0% from low-58% from high
49ModerateGlen R Ives
President
buy
$6,649
10,000 shares
+5%0% from low-56% from high
26WeakCharles Thomas McMillen
director
sell
$44k
55,000 shares
-17%0% from low-47% from high
41ModerateAndrew Merriman
Chief Operating Officer
buy
$2,395
3,000 shares
+1%0% from low-47% from high
20WeakJay O Wright
General Counsel, Secretary
sell
$32k
30,000 shares
-0%+159% from low-59% from high
15WeakJay O Wright
General Counsel, Secretary
sell
$19k
18,000 shares
-0%+262% from low-59% from high
27WeakJay O Wright
General Counsel, Secretary
sell
$224k
188,000 shares
-3%+347% from low-54% from high
22WeakJay O Wright
General Counsel, Secretary
sell
$56k
53,000 shares
-1%+425% from low-59% from high
25WeakJay O Wright
General Counsel, Secretary
sell
$115k
100,000 shares
-1%+630% from low-55% from high
28WeakJay O Wright
General Counsel, Secretary
sell
$257k
220,000 shares
-3%+648% from low-54% from high
33WeakJay O Wright
General Counsel, Secretary
sell
$111k
100,000 shares
-1%+689% from low-57% from high
36WeakJay O Wright
General Counsel, Secretary
sell
$261k
233,000 shares
-3%+675% from low-57% from high
41ModerateJay O Wright
General Counsel, Secretary
sell
$498k
446,700 shares
-5%+661% from low-58% from high
45ModerateMark C Fuller
other
sell
$560k
500,000 shares
-8%+703% from low-56% from high
31WeakJay O Wright
General Counsel, Secretary
sell
$67k
64,000 shares
-1%+618% from low-60% from high
32WeakJay O Wright
General Counsel, Secretary
sell
$88k
85,000 shares
-1%+625% from low-60% from high
31WeakJay O Wright
General Counsel, Secretary
sell
$375k
351,000 shares
-4%+661% from low-58% from high
37WeakJay O Wright
General Counsel, Secretary
sell
$278k
259,400 shares
-3%+632% from low-60% from high
41ModerateMark C Fuller
director, owner
sell
$524k
500,000 shares
-7%+632% from low-60% from high
44ModerateJay O Wright
General Counsel, Secretary
sell
$717k
500,000 shares
-5%-
44ModerateMark C Fuller
director, owner
sell
$710k
500,000 shares
-7%-

Planned sales

Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales

FiledSellerSharesValueSale datePast 3 months
Mar 4, 2025 Fuller Mark C
Director, 10% Stockholder
500,000
0.89% of outstanding
$491kMar 5, 2025none
Mar 4, 2025 WRIGHT JAY O
Officer, Director, 10% Stockholder
500,000
0.89% of outstanding
$491kMar 5, 2025none

Transactions

The last 64 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2026Glen R Ives
President
POpen-market purchase
Common Stock
+1,700$0.54$910202,57811 d ago
Oct 1, 2026Andrew Merriman
Chief Operating Officer
POpen-market purchase
Common Stock
+1,396$0.54$747589,92711 d ago
Oct 1, 2026Tammy L Martin
General Counsel and Secretary
POpen-market purchase
Common Stock
+1,396$0.54$74716,42711 d ago
Oct 1, 2026David T Bell
Chief Financial Officer
POpen-market purchase
Common Stock
+1,396$0.54$74718,65111 d ago
Sep 9, 2026Andrew Merriman
Chief Operating Officer
POpen-market purchase
Common Stock
+40,000$0.62$25k578,53133 d ago
Sep 9, 2026Andrew Merriman
Chief Operating Officer
POpen-market purchase
Common Stock
+10,000$0.62$6,200588,53133 d ago
Mar 31, 2026David T Bell
Chief Financial Officer
AGrant or award
Common Stock
+1,329$0.45$60416,053Mar 31, 2026
Mar 31, 2026Tammy L Martin
General Counsel and Secretary
AGrant or award
Common Stock
+1,329$0.45$60413,829Mar 31, 2026
Mar 31, 2026Andrew Merriman
Chief Operating Officer
AGrant or award
Common Stock
+1,329$0.45$604537,329Mar 31, 2026
Mar 27, 2026Glen R Ives
President
POpen-market purchase
Common Stock
+2,000$0.62$1,231199,616Mar 27, 2026
Mar 27, 2026Andrew Merriman
Chief Operating Officer
POpen-market purchase
Common Stock
+2,000$0.64$1,285536,000Mar 27, 2026
Mar 25, 2026Charles Thomas McMillen
director
SOpen-market sale
Common Stock
-30,000$0.70$21k231,015Mar 27, 2026
Mar 26, 2026Glen R Ives
President
POpen-market purchase
Common Stock
+10,000$0.66$6,649197,616Mar 26, 2026
Mar 18, 2026Charles Thomas McMillen
director
SOpen-market sale
Common Stock
-55,000$0.80$44k261,015Mar 20, 2026
Mar 18, 2026Andrew Merriman
Chief Operating Officer
POpen-market purchase
Common Stock
+3,000$0.80$2,395534,000Mar 18, 2026
Dec 19, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-30,000$1.05$32k7,134,973Dec 22, 2025
Dec 15, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-6,000$1.10$6,6187,176,973Dec 17, 2025
Dec 16, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-12,000$1.07$13k7,164,973Dec 17, 2025
Dec 10, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-127,000$1.21$153k7,243,973Dec 12, 2025
Dec 11, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-50,000$1.16$58k7,193,973Dec 12, 2025
Dec 12, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-11,000$1.16$13k7,182,973Dec 12, 2025
Nov 28, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-18,000$1.06$19k7,405,973Dec 2, 2025
Dec 1, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-35,000$1.05$37k7,370,973Dec 2, 2025
Nov 14, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-90,000$1.15$104k7,433,973Nov 18, 2025
Nov 17, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-10,000$1.16$12k7,423,973Nov 18, 2025
Nov 11, 2025Andrew Merriman
Chief Operating Officer
AGrant or award
Stock Optionsderivative
+275,000$0.00$0275,000Nov 13, 2025
Nov 11, 2025Glen R Ives
President
AGrant or award
Stock Optionsderivative
+500,000$0.00$0500,000Nov 13, 2025
Nov 11, 2025Charles Thomas McMillen
director
AGrant or award
Stock Optionsderivative
+100,000$0.00$0100,000Nov 13, 2025
Nov 11, 2025Bernard S Champoux
director
AGrant or award
Stock Optionsderivative
+100,000$0.00$0100,000Nov 13, 2025
Nov 11, 2025John Francis Campbell
director
AGrant or award
Stock Optionsderivative
+100,000$0.00$0100,000Nov 13, 2025
Nov 11, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-60,000$1.18$71k7,683,973Nov 13, 2025
Nov 11, 2025Mark S Alarie
director
AGrant or award
Stock Optionsderivative
+100,000$0.00$0100,000Nov 13, 2025
Nov 11, 2025David T Bell
Chief Financial Officer
AGrant or award
Stock Optionsderivative
+225,000$0.00$0225,000Nov 13, 2025
Nov 13, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-160,000$1.17$186k7,523,973Nov 13, 2025
Sep 15, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-50,000$1.10$55k7,793,973Sep 17, 2025
Sep 16, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-50,000$1.11$56k7,743,973Sep 17, 2025
Sep 10, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-70,000$1.12$78k8,006,973Sep 12, 2025
Sep 11, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-90,000$1.12$101k7,916,973Sep 12, 2025
Sep 12, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-73,000$1.12$82k7,843,973Sep 12, 2025
Sep 5, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-46,473$1.08$50k8,477,200Sep 9, 2025
Sep 8, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-250,227$1.12$280k8,226,973Sep 9, 2025
Sep 9, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-150,000$1.12$168k8,076,973Sep 9, 2025
Sep 3, 2025Mark C Fuller
other
SOpen-market sale
Common Stock
-500,000$1.12$560k6,113,659Sep 3, 2025
Aug 27, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-40,000$1.04$42k8,547,673Aug 28, 2025
Aug 28, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-24,000$1.05$25k8,523,673Aug 28, 2025
Aug 22, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-45,000$1.04$47k8,627,673Aug 26, 2025
Aug 26, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-40,000$1.04$42k8,587,673Aug 26, 2025
Aug 21, 2025Charles Thomas McMillen
director
MOption exercise
Common Stock
+125,000$0.21$27k316,015Aug 21, 2025
Aug 20, 2025Charles Thomas McMillen
director
MOption exercise
Stock Optionsderivative
-125,000$0.21$27k0Aug 21, 2025
Aug 18, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-225,000$1.08$243k8,798,673Aug 20, 2025
Aug 19, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-126,000$1.05$132k8,672,673Aug 20, 2025
May 19, 2025Jay O Wright
General Counsel, Secretary
JOther
Common Stock
-240,600$1.04$250k9,283,073May 20, 2025
May 19, 2025Mark C Fuller
director, owner
SOpen-market sale
Common Stock
-500,000$1.05$524k6,613,659May 20, 2025
May 19, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-259,400$1.07$278k9,023,673May 20, 2025
Mar 5, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-365,000$1.47$537k9,658,673Mar 7, 2025
Mar 6, 2025Jay O Wright
General Counsel, Secretary
SOpen-market sale
Common Stock
-135,000$1.34$181k9,523,673Mar 7, 2025
Mar 5, 2025Mark C Fuller
director, owner
JOther
Common Stock
-50,000--7,613,659Mar 6, 2025
Mar 5, 2025Mark C Fuller
director, owner
SOpen-market sale
Common Stock
-275,000$1.49$411k7,338,659Mar 6, 2025
Mar 6, 2025Mark C Fuller
director, owner
SOpen-market sale
Common Stock
-225,000$1.33$300k7,113,659Mar 6, 2025
Jan 22, 2025Glen R Ives
President
AGrant or award
Stock Optionsderivative
+500,000$1.07$535k500,000Jan 24, 2025
Jan 22, 2025Andrew Merriman
Chief Operating Officer
AGrant or award
Stock Optionsderivative
+325,000$1.07$348k325,000Jan 24, 2025
Jan 2, 2025Charles Thomas McMillen
director
MOption exercise
Common Stock
+100,028$0.21$21k191,015Jan 3, 2025
Jan 2, 2025Charles Thomas McMillen
director
MOption exercise
Stock Optionsderivative
-110,028$0.21$23k139,972Jan 3, 2025
Jan 2, 2025Charles Thomas McMillen
director
FTax withholding
Stock Optionsderivative
-14,972$0.21$3,174125,000Jan 3, 2025

Insiders

Everyone who has filed a Form 4 here.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

CTM insider trading: Castellum, Inc. | InsiderTell