Koester Jennifer — SEC Form 4 filings

SEC reporting owner CIK 2008791. 9 Form 4 filings on record with FilingPulse; latest filed 2026-09-17.

Transaction summary — filings shown

Covers all 9 filings on record, filed 2024-02-07 to 2026-09-17. 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
Sphere Entertainment Co. (SPHR)President & COO, Sphere934

Form 4 filings — Koester Jennifer

FiledFormIssuerReported transactionsSource
2026-09-174Sphere Entertainment Co. (SPHR)Option exercise (M): 11,988 @ $0 · Option exercise (M): 6,829 @ $0 · Option exercise (M): 8,269 @ $0 · Tax withholding (F): 13,826 @ $144.12 · Option exercise (M): 20,487 @ $0 · Tax withholding (F): 10,458 @ $144.12 · +4 moreEDGAR
2026-03-174Sphere Entertainment Co. (SPHR)Option exercise (M): 17,254 @ $0 · Tax withholding (F): 8,808 @ $105.70 · Option exercise (M): 17,254 (derivative) @ $0EDGAR
2026-03-134Sphere Entertainment Co. (SPHR)Grant/award (A): 19,371 (derivative) @ $0EDGAR
2025-09-174Sphere Entertainment Co. (SPHR)Option exercise (M): 11,988 @ $0 · Option exercise (M): 6,829 @ $0 · Option exercise (M): 8,269 @ $0 · Tax withholding (F): 13,826 @ $60.29 · Option exercise (M): 11,988 (derivative) @ $0 · Option exercise (M): 6,829 (derivative) @ $0 · +1 moreEDGAR
2025-03-144Sphere Entertainment Co. (SPHR)Grant/award (A): 51,763 (derivative) @ $0EDGAR
2024-09-174Sphere Entertainment Co. (SPHR)Option exercise (M): 11,988 @ $0 · Option exercise (M): 6,829 @ $0 · Tax withholding (F): 9,605 @ $42.23 · Option exercise (M): 11,988 (derivative) @ $0 · Option exercise (M): 6,829 (derivative) @ $0EDGAR
2024-08-294Sphere Entertainment Co. (SPHR)Grant/award (A): 24,808 (derivative) @ $0 · Grant/award (A): 24,808 (derivative) @ $0EDGAR
2024-04-244Sphere Entertainment Co. (SPHR)Grant/award (A): 56,451 (derivative) @ $0 · Grant/award (A): 20,487 (derivative) @ $0EDGAR
2024-02-074Sphere Entertainment Co. (SPHR)Grant/award (A): 158,333 (derivative) @ $0 · Grant/award (A): 158,333 (derivative) @ $0 · Grant/award (A): 158,334 (derivative) @ $0EDGAR

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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