SEC Form 4
West Bancorporation (WTBA) insider trading
In the 12 months to Oct 26, 2026, 2 WTBA insiders reported open-market sales of $517.1K across 2 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $517.1K
- 2 filings · 2 insiders
- Open-market purchases
- $0
- 0 filings
Who traded WTBA, and when
- Sale
WTBA daily close from Oct 27, 2025 to Oct 26, 2026, between $21.04 and $30.50, last $30.50. 2 sale and 0 purchase filings by 2 insiders, marked at their filing dates. George D. Milligan, Director: sold $345.3K across 1 filing, first filed Nov 25, 2025, last Nov 25, 2025. Douglas R. Gulling, Director: sold $171.8K across 1 filing, first filed Nov 12, 2025, last Nov 12, 2025.
Largest mark · tap a row for others
George D. Milligan · Director
Sale $345,272
15,826 shares at $21.82 avg
Filed Nov 25, 2025 · traded Nov 21
Close on filing date $22.30
George D. Milligan · Director
Director
$345.3K soldDouglas R. Gulling · Director
Director
$171.8K soldOpen-market trades
2 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| George D. Milligan | Director | $345.3K | — | 1 | — | |
| Douglas R. Gulling | Director | $171.8K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | George D. Milligan Director | Sale | 15,826 | $21.82 | $345.3K | 53,195 | |
traded | Douglas R. Gulling Director | Sale | 7,900 | $21.75 | $171.8K | 72,338 |
GET /stocks/filings/vX/form-4?tickers=WTBA&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"WTBA"
],
"issuer_cik": "0001166928",
"owner_cik": "0001023710",
"accession_number": "0001023710-25-000003",
"form_type": "4",
"filing_date": "2025-11-25",
"period_of_report": "2025-11-21",
"issuer_name": "WEST BANCORPORATION INC",
"issuer_trading_symbol": "WTBA",
"owner_name": "MILLIGAN GEORGE D",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "COMMON STOCK",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2025-11-24",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 10000,
"transaction_price_per_share": 21.71,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 53195,
"transaction_value": 217100,
"not_subject_to_section_16": false,
"direct_or_indirect": "D"
},
{
"tickers": [
"WTBA"
],
"issuer_cik": "0001166928",
"owner_cik": "0001023710",
"accession_number": "0001023710-25-000003",
"form_type": "4",
"filing_date": "2025-11-25",
"period_of_report": "2025-11-21",
"issuer_name": "WEST BANCORPORATION INC",
"issuer_trading_symbol": "WTBA",
"owner_name": "MILLIGAN GEORGE D",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "COMMON STOCK",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2025-11-21",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 5826,
"transaction_price_per_share": 22,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 63195,
"transaction_value": 128172,
"not_subject_to_section_16": false,
"direct_or_indirect": "D"
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 18 records
- Tax withholding5 records
- Grants and awards12 records
- Gifts1 record
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has West Bancorporation's CEO sold stock?
No. David D. Nelson (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is WTBA’s insider data?
These are WTBA Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
Build with AI
Track WTBA insider trades with your agent
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for WTBA every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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