// company-profile
Montauk Renewables, Inc.
MNTKExchangeNasdaqSectorGas & Other Services CombinedInc.DEFilings14Insiders7
// api This Montauk Renewables, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Montauk Renewables, Inc. insiders bought $25K across 5 transactions with no open-market sales.
- Most active insider: Copelyn John A with 1 transaction totaling $25K.
- Largest single purchase: $25K by Copelyn John A on May 11, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Montauk Renewables, Inc. as of 2026-03-31
Total reported AUM
$22.2M
QoQ change
-11.9%
Reporting period
2026-03-31
#1
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$3.1M
2.7M shares
#2
BlackRock, Inc.
CIK 2012383
$2.4M
2.1M shares
#3
BlackRock, Inc.
CIK 2012383
$2.0M
1.7M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 20, 2026 | McClain Sean F | MNTK | Award | 383,183 | $0.00 | $0K |
| May 20, 2026 | Ciroli John | MNTK | Award | 302,982 | $0.00 | $0K |
| May 20, 2026 | Van Asdalan Kevin A | MNTK | Award | 302,982 | $0.00 | $0K |
| May 20, 2026 | Shaw James A | MNTK | Award | 282,842 | $0.00 | $0K |
| May 11, 2026 | Copelyn John A | MNTK | Purchase | 17,506 | $1.45 | $25K |
21 more transactions hidden
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