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SCHEDULE 13D Filed 2026-11-03 Event 2026-10-29 SEC 0001193125-26-444399 →

SK hynix Inc. → Penguin Solutions, Inc. PENG

Stake: 9.10% Shares: 6,096,103 CUSIP: 706915105 Class: Common Stock, par value $0.03 per share
Composite Decision Signal · AVOID (DILUTION / EXIT TRAP) Conviction Score: 25/100
Disqualifiers: INSIDER_LIQUIDATION_INTO_CATALYST: $0.51M insider selling into catalyst (±14d)
  • Active Schedule 13D filer baseline
  • High conviction ownership stake (9.1%)
  • 20 NPORT-P mutual funds holding CUSIP

Item 4 — Purpose of Transaction

The information set forth in Item 6 of this Schedule 13D is hereby incorporated by reference. Other than as set forth in this Schedule 13D, the Reporting Persons do not have any present plans or proposals which relate to or would result in: (i) any acquisition by any person of additional securities of the Issuer, or any disposition of securities of the Issuer; (ii) any extraordinary corporate transaction, such as a merger, reorganization or liquidation, involving the Issuer or any of its subsidiaries; (iii) any sale or transfer of a material amount of assets of the Issuer or any of its subsidiaries; (iv) any change in the board or management of the Issuer, including any plans or proposals to change the number or term of directors or to fill any vacancies on the board; (v) any material change in the present capitalization or dividend policy of the Issuer; (vi) any other material change in the Issuer's business or corporate structure; (vii) any change in the Issuer's charter or bylaws or other actions which may impede the acquisition of control of the Issuer by any person; (viii) any delisting from a national securities exchange or any loss of authorization for quotation in an inter-dealer quotation system of a registered national securities association of a class of securities of the Issuer; (ix) any termination of registration pursuant to Section 12(g)(4) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), of a class of equity securities of the Issuer; or (x) any action similar to any of those enumerated above. Notwithstanding the foregoing, the Reporting Persons may determine to change their intentions with respect to the Issuer at any time in the future and may, for example, elect (i) to acquire additional securities of the Issuer in open market or privately negotiated transactions or (ii) to dispose of all or a portion of the Reporting Persons' holdings of securities of the Issuer. In reaching any determination as to their future course of action, the Reporting Persons may take into consideration various factors, such as the Issuer's business and prospects, other developments concerning the Issuer, other business opportunities available to the Reporting Persons, tax considerations, liquidity needs and general economic and stock market conditions, including, but not limited to, the market prices of the securities.

Cross-References

Insider Activity (last 365d)
13 transactions
2 buys · 6 sales · 0 awards/exercises
Issuer Cluster
12 13D/G filings on this issuer
11 other filings besides this one
Filer Track Record
1 filings by this filer
0 other filings in the data moat
Short Interest · settle 2026-10-15
DTC 1.00
6,640,558 shares short · -1.3% vs prior

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-10-23 Clark Joseph Gates officer Sale 869 $51.52 $45K
2026-10-22 Kuykendall Anne officer Sale 738 $55.08 $41K
2026-10-20 Clark Joseph Gates officer F 1,339 $56.54 $76K
2026-10-20 Kuykendall Anne officer F 3,062 $56.54 $173K
2026-10-20 Frey Anthony George officer F 5,184 $56.54 $293K
2026-10-03 Kuykendall Anne officer Award 41,242 — —
2026-10-03 Kuykendall Anne officer F 20,984 $61.36 $1.29M
2026-10-03 Clark Joseph Gates officer Award 30,932 — —
2026-10-03 Clark Joseph Gates officer F 13,437 $61.36 $824K
2026-06-15 Kuykendall Anne officer Sale 200 $62.51 $13K
2026-06-15 Kuykendall Anne officer Sale 2,104 $64.16 $135K
2026-06-15 Kuykendall Anne officer Sale 1,596 $64.82 $103K
2026-06-15 Kuykendall Anne officer Sale 100 $65.63 $7K

Other 13D/G Filings on Penguin Solutions, Inc.

FiledFormFilerStakeShares
2026-11-02 SCHEDULE 13D/A SK TELECOM CO LTD — 0 view →
2026-10-19 SCHEDULE 13G/A BANK OF NOVA SCOTIA — — view →
2026-07-28 SCHEDULE 13D/A SK TELECOM CO LTD — 6,096,103 view →
2026-07-15 SCHEDULE 13G BANK OF NOVA SCOTIA — — view →
2021-07-26 SC Silver Lake (Offshore) AIV GP III, Ltd. — — view →
2021-07-13 SC Silver Lake (Offshore) AIV GP III, Ltd. — — view →
2021-04-28 SC Silver Lake (Offshore) AIV GP III, Ltd. — — view →
2021-01-08 SC Silver Lake (Offshore) AIV GP III, Ltd. — — view →
2019-07-11 SC Silver Lake (Offshore) AIV GP III, Ltd. — — view →
2018-04-05 SC Silver Lake (Offshore) AIV GP III, Ltd. — — view →
2018-03-16 SC Silver Lake (Offshore) AIV GP III, Ltd. — — view →

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