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Total declarations
Company
▲ Purchases (3 ops.)
▼ Sales (1 ops.)
Latest filing published 01 Oct 2026 for Castellum, Inc., €659.
Filing timeline
BuySaleDavid T. Bell
Insider track record
Disclosed buys
3
Disclosed sells
1
Signal history
Closed purchases
Market purchases
3
Not enough history yet: 1 closed purchase, at least 2 are needed.
Purchases by company
Since each purchase
- -18.8%Entry US$0.69 · Close 22 Oct 2026 US$0.56
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
David T. Bell: trading record in brief
David T. Bell is a declared insider of Castellum, Inc., with filings sourced from SEC (Form 4). Between 28 November 2022 and 1 October 2026, the trades on record add up to 5 filings.
Market trades split into 3 purchases (€147.5M) and 1 sale (€147.5M). The net balance comes to €1,306 on the buying side. Unlike grants, an open-market purchase is paid for by the insider, at the market price. The rest of the record consists of 1 share grant. In 2026 alone, the filings show 2 purchases and no sales.
In size, the median ticket on the buying side is €659.
On 1 October 2026 came the latest disclosure, an open-market purchase for €659 in Castellum, Inc. Typically, a trade is published a median of 1 day after it takes place. For comparison, the SEC allows two business days to file a Form 4. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to David T. Bell
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations3 total
1,396 shares@ US$0.53520.0% of flowCommon StockSEC:0001877939-26-000086:0
Canonical exit: 30 Dec 2026 (T+90)
1,202 shares@ US$0.6120.0% of flowCommon StockSEC:0001877939-26-000060:0
Canonical exit: 29 Sept 2026 (T+90)
1,329 shares@ US$0.45440.0% of flowCommon StockSEC:0001944338-26-000002:0
14,724 shares@ US$10,388.0089.6% of flowCommon StockSEC:0001575872-22-001182:0
4 of 3 declarations
