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SEC Form 4 research

Yellowstone Midco Holdings II, LLC insider transactions

Inspect Yellowstone Midco Holdings II, LLC's public SEC insider acquisitions and sales, reporting owners and source receipts.

As of 2026-10-15T08:02:39.132Z

Issuer CIK
0002086587
Reporting owners
16
Officers and directors
2
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What is a Form 4?

Animation: what a Form 4 is, shown with one real example. Sonic Automotive (SAH) reporting owner Paul P. Rusnak bought 13,701 shares at $59.78 on Wednesday, October 7, 2026, transaction code P, an open-market purchase (S is a sale and A is an award from the company). A timeline marks the SEC's two-business-day filing deadline, which ends Friday, October 9. The SEC accepted the Form 4 at 4:33:21 PM ET on October 9, and NexusTrade treats it as public one minute later, at 4:34:21 PM ET. A lamp for NexusTrade's InsiderTrades indicator stays off from the trade date until that moment, then counts one purchase worth 13,701 × $59.78 = $819,045.78.
In this example the shares were bought on Oct 7, 2026, and NexusTrade's InsiderTrades indicator can count the purchase starting at 4:34:21 PM ET on Oct 9, one minute after the SEC accepted the Form 4.

A Form 4 is the SEC filing a company insider, such as an officer, director or 10% owner, uses to report a trade in the company's stock, generally within two business days. The animation follows one real filing as an example: Paul P. Rusnak's purchase of Sonic Automotive (SAH) shares on October 7, 2026.

The same reading applies to every row on this page. The trade date is when the shares changed hands. The available date is when NexusTrade treats the filing as public, and a NexusTrade InsiderTrades indicator counts a purchase (code P) or sale (code S) only from that moment. Code A awards are not counted as purchases.

Read one actual disclosure before using it

Show the table · 1 row, 7 columns

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2026-08-112026-08-07BlackRock Portfolio Management LLCS200,170$10.99Not reported

First displayed source row from Recent insider disclosures. The full bounded history and coverage notes remain below.

The displayed observation date is 2026-08-07 and its public availability date is 2026-08-11. Subtracting those calendar dates gives 4 days of disclosure lag. Historical public research can use the record from the availability date, rather than backdating knowledge to the observation date. The calendar-day difference does not assert an intraday publication time.

This row is code S: a sale. A purchase-following rule excludes this sale even if the reported dollar amount is large.

Open the linked original receipts to verify the row, then inspect a second record before drawing a pattern. This public filing observation supplies source evidence, not a completed copy-trading return.

SEC accession 0002052113-26-000811 ↗SEC accession 0002052113-26-000811 ↗SEC accession 0002052113-26-000810 ↗

Recent insider disclosures

Inspect all 14 displayed rows: Recent insider disclosures

This table includes purchases, sales and awards in the public filing record. Awards and open-market purchases are distinct transaction codes. For historical research, use the public availability date to determine when the transaction was knowable.

Read code P as a purchase, S as a sale and A as an award. An award is an acquisition, but it is not an open-market purchase. Open the filing receipt to check the transaction details.

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2026-08-112026-08-07BlackRock Portfolio Management LLCS200,170$10.99Not reported
2026-08-112026-08-06BlackRock Portfolio Management LLCS201,504$11.6Not reported
2026-08-112026-08-05BlackRock Portfolio Management LLCS11,884$15.28Not reported
2026-08-112026-08-05BlackRock Portfolio Management LLCS116,162$13.49Not reported
2026-08-112026-08-04BlackRock Portfolio Management LLCS468,476$15.58Not reported
2026-08-112026-08-04BlackRock Portfolio Management LLCS78,082$15.02Not reported
2026-08-072026-08-05BlackRock Portfolio Management LLCS11,784$15.28Not reported
2026-08-072026-08-05BlackRock Portfolio Management LLCS116,162$13.49Not reported
2026-08-072026-08-04BlackRock Portfolio Management LLCS456,310$15.58Not reported
2026-08-072026-08-04BlackRock Portfolio Management LLCS77,743$15.02Not reported
2026-08-052026-08-03BlackRock Portfolio Management LLCS13,754$15.03Not reported
2026-08-052026-07-31BlackRock Portfolio Management LLCS35,574$15.14Not reported
2026-08-012026-07-30BlackRock Portfolio Management LLCS140,823$15.18Not reported
2026-08-012026-07-29BlackRock Portfolio Management LLCS63,390$15.31Not reported

Most recent 90-day source activity, up to 50 rows. No rows means no matching recent records, not no historical activity.

Officers and directors in the directory

Show the table · 2 rows, 3 columns

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Erwin Tami A.00017606586
Letarte Tyler00021004831
Erwin Tami A. ↗Letarte Tyler ↗

Which transactions qualify for the company tracker

The company strategy uses verified officers and directors with qualifying acquisitions at this issuer. Other reporting owners may appear in source records without becoming strategy signals.

The source profile remains readable even when the issuer does not meet the company-strategy eligibility rules.

Historical follower simulations are separate from these source transactions. They do not establish live trading results.