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Castellum, Inc.

CTM
Exchange
NYSE
Industry
Services-Management Consulting Services
SEC CIK
0001877939

In the last 90 days, Castellum, Inc. insiders filed 5 open-market purchases and 0 sales; 35 institutions reported holding it in 13F filings for Q2 2026, worth $5.69M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Castellum, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
5 filings
4 insiders, $34.0K in total
Open-market sells
0 filings
Insiders trading
4
Net value
+$34.0K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Castellum, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Castellum, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Merriman AndrewChief Operating Officer588,531Sep 9, 20266
Bell David TChief Financial Officer17,255Jul 2, 20263
Martin Tammy LGeneral Counsel and Secretary15,031Jul 2, 20262
Ives Glen RPresident200,878Jul 2, 20264
McMillen Charles ThomasDirector231,015Mar 27, 20263
Wright Jay OGeneral Counsel, Secretary7,134,973Dec 22, 20256
Champoux Bernard SDirector104,536Nov 13, 20251
Alarie Mark SDirector112,920Nov 13, 20251
Campbell John FrancisDirector126,537Nov 13, 20251
Fuller Mark COther: Former Officer and Affiliate6,113,659Sep 3, 20250
Buckhout Laurie M10% Owner–Feb 23, 20240
Frost PatriciaDirector62,920Mar 23, 20230
Kaunitz EmilDirector1,999,856Dec 21, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Feb 10, 2023 (view filing)Feb 10Same dayWright Jay OSee RemarksPPurchase+75.0K$15,000.00+$1.13B+0.8%9.29M afterPrice outlier
Dec 21, 2022 (view filing)Dec 201 dayKaunitz EmilDirectorPPurchase+5.58K$5,353.00+$29.9M+0.3%2.00M afterPrice outlier
Dec 9, 2022 (view filing)Dec 27 daysLateFuller Mark CChief Executive OfficerPPurchase+1.29K$1,246.00+$1.61M0.0%7.66M afterPrice outlier
Dec 8, 2022 (view filing)Dec 62 daysWright Jay OSee RemarksPPurchase+75.0K$15,000.00+$1.13B+0.8%9.21M afterPrice outlier
Dec 6, 2022 (view filing)Dec 24 daysWright Jay OSee RemarksPPurchase+4.60K$4,335.00+$19.9M+0.1%9.13M afterPrice outlier
Dec 6, 2022 (view filing)Dec 51 dayCampbell John FrancisDirectorPPurchase+8.00K$9,792.00+$78.3M+14.4%63.6K afterPrice outlier
Dec 6, 2022 (view filing)Dec 2-54 daysChampoux Bernard SDirector, Other: Chair of Board of DirectorsPPurchase+1.00K$868.05+$868.0K+2.5%41.6K after2 lotsPrice outlier
Dec 5, 2022 (view filing)Dec 14 daysWright Jay OSee RemarksPPurchase+5.70K$5,248.00+$29.9M+0.1%9.13M afterPrice outlier
Dec 5, 2022 (view filing)Dec 23 daysMcMillen Charles ThomasDirectorPPurchase+10.6K$10,128.00+$107.0M+140.9%18.1K afterPrice outlier
Dec 2, 2022 (view filing)Nov 293 daysAlarie Mark SDirectorPPurchase+50.0K$38,485.00+$1.92BNew position50.0K afterAmendedPrice outlier
Dec 2, 2022 (view filing)Nov 293 daysWright Jay OSee RemarksPPurchase+5.50K$4,102.00+$22.6M+0.1%9.12M afterAmendedPrice outlier
Dec 2, 2022 (view filing)Nov 302 daysWright Jay OSee RemarksPPurchase+7.70K$6,547.00+$50.4M+0.1%9.12M afterAmendedPrice outlier
Dec 2, 2022 (view filing)Nov 284 daysWright Jay OSee RemarksPPurchase+15.3K$10,499.00+$160.4M+0.2%9.11M afterAmendedPrice outlier
Dec 2, 2022 (view filing)Nov 1616 daysWright Jay OSee RemarksPPurchase+31.5K$25,389.00+$799.8M+0.3%9.09M afterAmendedPrice outlier
Dec 2, 2022 (view filing)Nov 257 daysWright Jay OSee RemarksPPurchase+4.12K$2,756.00+$11.4M0.0%9.10M afterAmendedPrice outlier
Dec 2, 2022 (view filing)Nov 257 daysWright Jay OSee RemarksPPurchase+2.80K$985.00+$2.76M0.0%9.10M afterAmended2 lotsPrice outlier
Dec 2, 2022 (view filing)Nov 284 daysFuller Mark CChief Executive OfficerPPurchase+4.30K$2,860.00+$12.3M+0.1%7.65M afterAmendedPrice outlier
Dec 2, 2022 (view filing)Nov 302 daysFuller Mark CChief Executive OfficerPPurchase+9.54K$8,017.00+$76.5M+0.1%7.66M afterAmendedPrice outlier
Dec 2, 2022 (view filing)Nov 284 daysBell David TChief Financial OfficerPPurchase+14.7K$10,388.00+$153.0MNew position14.7K afterAmendedPrice outlier
Dec 2, 2022 (view filing)Dec 1-21 dayKaunitz EmilDirectorPPurchase+10.2K$9,317.14+$95.0M+0.5%1.99M afterAmended2 lotsPrice outlier