ACCESS INDUSTRIES MANAGEMENT, LLC — SEC Form 4 filings

SEC reporting owner CIK 1508226. 15 Form 4 filings on record with FilingPulse; latest filed 2026-05-15.

Transaction summary — filings shown

Covers all 15 filings on record, filed 2024-02-21 to 2026-05-15. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By issuer — same filings

Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

IssuerRole (as filed)FilingsPurchases (P)Sales (S)Other legs
DigitalOcean Holdings, Inc. (DOCN)322 legs · 7,188,310 sh · $656,772,8071
Disc Medicine, Inc. (IRON)10% owner21 leg · 744,047 sh · $59,873,4621
LyondellBasell Industries N.V. (LYB)10% owner410 legs · 590,412 sh · $46,326,2136
Upstream Bio, Inc. (UPB)10% owner11 leg · 1,175,000 sh · $19,975,0004
Zura Bio Ltd (ZURA)10% owner11 leg · 2,000,000 sh · $12,500,000
Warner Music Group Corp. (WMG)10% owner28
Day One Biopharmaceuticals, Inc. (DAWN)10% owner23

Form 4 filings — ACCESS INDUSTRIES MANAGEMENT, LLC

FiledFormIssuerReported transactionsSource
2026-05-154DigitalOcean Holdings, Inc. (DOCN)
jointly with Access Industries Holdings LLC, AI Droplet Holdings LLC, AI Droplet Sharing LLC, AI Droplet Subsidiary LLC, Blavatnik Len
Sale (S): 3,278,988 @ $150.30 · Sale (S): 21,012 @ $150.30EDGAR
2026-05-114DigitalOcean Holdings, Inc. (DOCN)
jointly with Access Industries Holdings LLC, AI Droplet Holdings LLC, AI Droplet Sharing LLC, AI Droplet Subsidiary LLC, Blavatnik Len
Sale (S): 12,845 @ $147.80 · Sale (S): 38,721 @ $148.67 · Sale (S): 33,657 @ $149.67 · Sale (S): 34,339 @ $150.84 · Sale (S): 34,242 @ $151.55 · Sale (S): 23,061 @ $152.80 · +13 moreEDGAR
2026-04-274Day One Biopharmaceuticals, Inc. (DAWN)
jointly with AI Day1 LLC, Access Industries Holdings LLC, Blavatnik Len
Code (U): 12,929,322 @ $21.50 · Disposition to issuer (D): 827,586 (derivative) @ $21.50EDGAR
2026-04-204Warner Music Group Corp. (WMG)
jointly with AI Entertainment Holdings LLC, AIBFF, Inc., ACCESS INDUSTRIES, LLC, Access Industries Core Holdings LLC, Access Industries Holdings LLC, Entertainment Holdings II LLC, Blavatnik Len
Other (J): 280,000 (derivative)EDGAR
2026-03-114LyondellBasell Industries N.V. (LYB)
jointly with AI INVESTMENTS HOLDINGS LLC, Access Industries Holdings LLC, ACCESS INDUSTRIES, LLC, Blavatnik Len
Gift (G): 464,610 @ $0 · Sale (S): 80,679 @ $67.03 · Sale (S): 177 @ $67.03 · Sale (S): 189,277 @ $68.13 · Sale (S): 414 @ $68.13 · Sale (S): 114,592 @ $68.90 · +1 moreEDGAR
2026-03-024Zura Bio Ltd (ZURA)
jointly with AI Biotechnology LLC, Access Industries Holdings LLC, Blavatnik Len
Purchase (P): 2,000,000 @ $6.25EDGAR
2025-10-244Disc Medicine, Inc. (IRON)
jointly with AI DMI LLC, Access Industries Holdings LLC, Blavatnik Len
Sale (S): 744,047 @ $80.47EDGAR
2025-06-134LyondellBasell Industries N.V. (LYB)
jointly with ACCESS INDUSTRIES, LLC, AI INVESTMENTS HOLDINGS LLC, Access Industries Holdings LLC, Blavatnik Len
Purchase (P): 30 (derivative) @ $1,196,560.78EDGAR
2025-06-064DigitalOcean Holdings, Inc. (DOCN)
jointly with Access Industries Holdings LLC, AI Droplet Holdings LLC, AI Droplet Sharing LLC, AI Droplet Subsidiary LLC, Blavatnik Len
Sale (S): 1,509,444 @ $28.60 · Sale (S): 1,987,060 @ $28.60EDGAR
2024-12-234Warner Music Group Corp. (WMG)
jointly with AI Entertainment Holdings LLC, WMG Management Holdings, LLC, AI Entertainment Management, LLC, Altep 2012 L.P., AIBFF, Inc., ACCESS INDUSTRIES, LLC, AIPH Holdings LLC, Access Industries Holdings LLC, Blavatnik Len
Other (J): 1,626,518 (derivative) · Other (J): 1,626,518 (derivative) · Other (J): 6,927,734 (derivative) · Other (J): 6,898,638 (derivative) · Other (J): 29,096 (derivative) · Other (J): 487,929 (derivative) · +1 moreEDGAR
2024-10-174Upstream Bio, Inc. (UPB)
jointly with AI Upstream LLC, AI Biotechnology LLC, Access Industries Holdings LLC, Blavatnik Len
Purchase (P): 1,175,000 @ $17 · Conversion (C): 3,147,000 · Conversion (C): 1,172,410 · Conversion (C): 3,147,000 (derivative) · Conversion (C): 1,172,410 (derivative)EDGAR
2024-08-054Day One Biopharmaceuticals, Inc. (DAWN)
jointly with AI Day1 LLC, Access Industries Holdings LLC, Blavatnik Len
Purchase (P): 827,586 (derivative) @ $14.50EDGAR
2024-06-204Disc Medicine, Inc. (IRON)
jointly with AI DMI LLC, Access Industries Holdings LLC, Blavatnik Len
Grant/award (A): 416,667 @ $36EDGAR
2024-02-294LyondellBasell Industries N.V. (LYB)
jointly with AI INVESTMENTS HOLDINGS LLC, Access Industries Holdings LLC, ACCESS INDUSTRIES, LLC, Blavatnik Len
Other (J): 3,321 @ $0 · Other (J): 3,321 @ $0 · Other (J): 39,383 @ $0 · Other (J): 18,537 @ $0EDGAR
2024-02-214LyondellBasell Industries N.V. (LYB)
jointly with AI INVESTMENTS HOLDINGS LLC, Access Industries Holdings LLC, ACCESS INDUSTRIES, LLC, Blavatnik Len
Sale (S): 19,083 @ $97.79 · Sale (S): 5,371 @ $98.26 · Sale (S): 140,909 @ $97.79 · Sale (S): 39,659 @ $98.26EDGAR

FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.

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