Castellum, Inc. CTM
Institutional shares held
6.35 Million
0
calls
0
puts
Total value of holdings
$6.86M
$0
calls
$0
puts
Market Cap
$44.8M
41,513,100
Shares Out.
Institutional ownership
15.3%
# of Institutions
34
We take great care to ensure that the data presented and summarized in this overview for Castellum, Inc. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding CTM
View all-
Essex Investment Management CO LLC Boston, MA2.09MShares$2.26 Million0.45% of portfolio
-
Vanguard Group Inc Valley Forge, PA1.05MShares$1.14 Million0.0% of portfolio
-
Legato Capital Management LLC621KShares$671,1210.08% of portfolio
-
Meridian Wealth Management, LLC617KShares$666,1440.03% of portfolio
-
Geode Capital Management, LLC Boston, MA599KShares$647,1330.0% of portfolio
-
Jane Street Group, LLC New York, NY195KShares$210,3110.0% of portfolio
-
Savvy Advisors, Inc. New York, NY191KShares$206,3880.01% of portfolio
-
State Street Corp Boston, MA156KShares$168,4800.0% of portfolio
-
Xtx Topco LTD London, X0136KShares$146,6590.01% of portfolio
-
Virtu Financial LLC New York, NY105KShares$113,5360.01% of portfolio
Latest Institutional Activity in CTM
Top Purchases
Top Sells
About CTM
Insider Transactions at CTM
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Sep 09
2025
|
Jay O Wright General Counsel, Secretary |
SELL
Open market or private sale
|
Direct |
150,000
-1.82%
|
$150,000
$1.12 P/Share
|
|
Sep 08
2025
|
Jay O Wright General Counsel, Secretary |
SELL
Open market or private sale
|
Direct |
250,227
-2.95%
|
$250,227
$1.12 P/Share
|
|
Sep 05
2025
|
Jay O Wright General Counsel, Secretary |
SELL
Open market or private sale
|
Direct |
46,473
-0.55%
|
$46,473
$1.08 P/Share
|
|
Sep 03
2025
|
Mark C Fuller |
SELL
Open market or private sale
|
Direct |
500,000
-7.56%
|
$500,000
$1.12 P/Share
|
|
Aug 28
2025
|
Jay O Wright General Counsel, Secretary |
SELL
Open market or private sale
|
Direct |
24,000
-0.28%
|
$24,000
$1.05 P/Share
|
|
Aug 27
2025
|
Jay O Wright General Counsel, Secretary |
SELL
Open market or private sale
|
Direct |
40,000
-0.47%
|
$40,000
$1.04 P/Share
|
|
Aug 26
2025
|
Jay O Wright General Counsel, Secretary |
SELL
Open market or private sale
|
Direct |
40,000
-0.46%
|
$40,000
$1.04 P/Share
|
|
Aug 22
2025
|
Jay O Wright General Counsel, Secretary |
SELL
Open market or private sale
|
Direct |
45,000
-0.52%
|
$45,000
$1.04 P/Share
|
|
Aug 21
2025
|
Charles Thomas Mc Millen Director |
BUY
Exercise of conversion of derivative security
|
Direct |
125,000
+28.34%
|
$0
$0.21 P/Share
|
|
Aug 19
2025
|
Jay O Wright General Counsel, Secretary |
SELL
Open market or private sale
|
Direct |
126,000
-1.43%
|
$126,000
$1.05 P/Share
|
|
Aug 18
2025
|
Jay O Wright General Counsel, Secretary |
SELL
Open market or private sale
|
Direct |
225,000
-2.49%
|
$225,000
$1.08 P/Share
|
|
May 19
2025
|
Mark C Fuller |
SELL
Open market or private sale
|
Direct |
500,000
-7.03%
|
$500,000
$1.05 P/Share
|
|
May 19
2025
|
Jay O Wright General Counsel, Secretary |
SELL
Open market or private sale
|
Direct |
259,400
-2.79%
|
$259,400
$1.07 P/Share
|
|
May 19
2025
|
Jay O Wright General Counsel, Secretary |
SELL
Other acquisition or disposition
|
Direct |
240,600
-2.53%
|
$240,600
$1.04 P/Share
|
|
Mar 06
2025
|
Jay O Wright General Counsel, Secretary |
SELL
Open market or private sale
|
Direct |
135,000
-1.4%
|
$135,000
$1.34 P/Share
|
|
Mar 06
2025
|
Mark C Fuller |
SELL
Open market or private sale
|
Direct |
225,000
-3.07%
|
$225,000
$1.33 P/Share
|
|
Mar 05
2025
|
Jay O Wright General Counsel, Secretary |
SELL
Open market or private sale
|
Direct |
365,000
-3.64%
|
$365,000
$1.47 P/Share
|
|
Mar 05
2025
|
Mark C Fuller |
SELL
Open market or private sale
|
Direct |
275,000
-3.61%
|
$275,000
$1.49 P/Share
|
|
Mar 05
2025
|
Mark C Fuller |
SELL
Other acquisition or disposition
|
Direct |
50,000
-0.65%
|
-
|
|
Jan 02
2025
|
Charles Thomas Mc Millen Director |
BUY
Exercise of conversion of derivative security
|
Direct |
100,028
+34.37%
|
$0
$0.21 P/Share
|
Last 12 Months Summary
Buy / Acquisition
225K
Shares
From
1
Insiders
| Exercise of conversion of derivative security | 225K shares |
|---|
Sell / Disposition
3.5M
Shares
From
4
Insiders
| Other acquisition or disposition | 291K shares |
|---|---|
| Open market or private sale | 3.21M shares |