Oak Street Health, Inc. insider transactions

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.

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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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

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MYERS GRIFFIN	0001793352	37
CLEM BRIAN	0001819292	34
PYKOSZ MICHAEL T	0001793308	44
GAP Coinvestments CDA, L.P.	0001356474	347
General Atlantic (SPV) GP, LLC	0001793940	47
COOK TIMOTHY M	0001793397	27
GAP COINVESTMENTS III, LLC	0001282203	353
GAP COINVESTMENTS IV, LLC	0001282372	353
GAP Coinvestments V, LLC	0001793941	65
General Atlantic (OSH) Interholdco, L.P.	0001793934	2
GENERAL ATLANTIC GENPAR, L.P.	0001467926	182
General Atlantic Partners 100, L.P.	0001704892	34
General Atlantic Partners 93, L.P.	0001567885	34
GENERAL ATLANTIC, L.P.	0001017645	397
GUENTHNER ROBERT	0001793328	104
KECK KIM	0001818332	2
Klapstein Julie D	0001518668	7
Newlight GP LLC	0001782873	6
Newlight Harbour Point SPV LLC	0001820000	4
Newlight Partners LP	0001782866	6
PRICE GEOFFREY M	0001793313	102
WASSONG DAVID	0001233188	7
Yadav Ravi	0001782860	6

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.

Strategy eligibility is held while filing coverage is unresolved.

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