KLEIN JOSEPH III

Director · IONS

As of 2026-09-27, KLEIN JOSEPH III has 50 Form 4 transactions on record across 1 company — 27 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in July in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $724KIndirect: $0$724Kas of 2026-09-27
  • Direct $724K
  • Indirect $0
IONSdirect16,277 sh$724K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

IONS · 50 trades
2026-07-01: Sale, 11,419 sh ($903K)2026-07-01: Option exercise, 11,518 sh ($460K)2026-07-01: Sale, 99 sh ($8K)2026-07-01: Award / grant, 5,369 sh ($0)2026-07-01: Option exercise, 11,518 sh ($0)2026-07-01: Award / grant, 2,301 sh ($0)2026-05-01: Sale, 8,680 sh ($637K)2026-05-01: Option exercise, 10,111 sh ($476K)2026-05-01: Sale, 1,431 sh ($107K)2026-05-01: Option exercise, 10,111 sh ($0)2026-04-01: Sale, 20,105 sh ($1.5M)2026-04-01: Option exercise, 12,000 sh ($457K)2026-04-01: Option exercise, 10,321 sh ($424K)2026-04-01: Sale, 2,216 sh ($168K)2026-04-01: Option exercise, 12,000 sh ($0)2026-04-01: Option exercise, 10,321 sh ($0)2026-03-03: Sale, 13,526 sh ($1.1M)2026-03-03: Sale, 6,794 sh ($543K)2026-03-03: Option exercise, 12,000 sh ($481K)2026-03-03: Option exercise, 4,000 sh ($172K)2026-03-03: Sale, 1,012 sh ($82K)2026-03-03: Option exercise, 12,000 sh ($0)2026-03-03: Option exercise, 4,000 sh ($0)2025-11-25: Sale, 4,000 sh ($320K)2025-11-25: Option exercise, 4,000 sh ($0)2025-11-25: Option exercise, 4,000 sh ($0)2025-11-25: Option exercise, 4,000 sh ($0)2025-09-03: Sale, 28,000 sh ($1.7M)2025-09-03: Sale, 28,000 sh ($1.7M)2025-09-03: Option exercise, 12,000 sh ($0)2025-09-03: Option exercise, 12,000 sh ($0)2025-09-03: Option exercise, 16,000 sh ($0)2025-09-03: Option exercise, 16,000 sh ($0)2025-09-03: Option exercise, 12,000 sh ($0)2025-09-03: Option exercise, 16,000 sh ($0)2025-09-03: Option exercise, 12,000 sh ($0)2025-09-03: Option exercise, 16,000 sh ($0)2025-07-01: Award / grant, 11,518 sh ($0)2025-07-01: Award / grant, 5,220 sh ($0)2024-07-16: Sale, 12,000 sh ($600K)2024-07-16: Option exercise, 12,000 sh ($293K)2024-07-16: Option exercise, 12,000 sh ($0)2024-07-01: Award / grant, 10,111 sh ($0)2024-07-01: Award / grant, 4,079 sh ($0)2024-05-03: Sale, 1,318 sh ($56K)2024-05-03: Sale, 1,269 sh ($54K)2024-05-03: Sale, 1,070 sh ($46K)2024-05-03: Sale, 930 sh ($40K)2024-05-03: Sale, 731 sh ($31K)2024-05-03: Sale, 682 sh ($29K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-07-01IONSSale11,419 @ $79.04$903K−50.9% of holding11,014Form 4
2026-07-01IONSSale99 @ $79.45$8K−0.4% of holding22,433Form 4
2026-05-01IONSSale8,680 @ $73.35$637K−41.1% of holding12,445Form 4
2026-05-01IONSSale1,431 @ $74.45$107K−11.5% of holding11,014Form 4
2026-04-01IONSSale20,105 @ $75.50$1.5M−60.3% of holding13,230Form 4
2026-04-01IONSSale2,216 @ $75.95$168K−16.7% of holding11,014Form 4
2026-03-03IONSSale13,526 @ $79.17$1.1M−41.8% of holding18,820Form 4
2026-03-03IONSSale6,794 @ $80.00$543K−36.1% of holding12,026Form 4
2026-03-03IONSSale1,012 @ $80.82$82K−8.4% of holding11,014Form 4
2025-11-25IONSSale4,000 @ $80.00$320K−100.0% of holding0Form 4
2025-09-03IONSSale28,000 @ $60.00$1.7M−100.0% of holding0Form 4
2025-09-03IONSSale28,000 @ $60.00$1.7M−100.0% of holding0Form 4
2024-07-16IONSSale12,000 @ $50.00$600K−100.0% of holding0Form 4
2024-05-03IONSSale1,318 @ $42.57$56K−22.0% of holding4,682Form 4
2024-05-03IONSSale1,269 @ $42.59$54K−31.7% of holding2,731Form 4
2024-05-03IONSSale1,070 @ $42.55$46K−53.5% of holding930Form 4
2024-05-03IONSSale930 @ $42.90$40K−100.0% of holding0Form 4
2024-05-03IONSSale731 @ $42.98$31K−26.8% of holding2,000Form 4
2024-05-03IONSSale682 @ $42.94$29K−14.6% of holding4,000Form 4
31 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-01IONSOption exercise11,51822,532Form 4
2026-07-01IONSAward / grant5,3695,369Form 4
2026-07-01IONSOption exercise11,5180Form 4
2026-07-01IONSAward / grant2,30116,277Form 4
2026-05-01IONSOption exercise10,11121,125Form 4
2026-05-01IONSOption exercise10,1110Form 4
2026-04-01IONSOption exercise12,00023,014Form 4
2026-04-01IONSOption exercise10,32133,335Form 4
2026-04-01IONSOption exercise12,0000Form 4
2026-04-01IONSOption exercise10,3210Form 4
2026-03-03IONSOption exercise12,00028,346Form 4
2026-03-03IONSOption exercise4,00032,346Form 4
2026-03-03IONSOption exercise12,0000Form 4
2026-03-03IONSOption exercise4,0000Form 4
2025-11-25IONSOption exercise4,0004,000Form 4
2025-11-25IONSOption exercise4,0008,000Form 4
2025-11-25IONSOption exercise4,0000Form 4
2025-09-03IONSOption exercise12,0000Form 4
2025-09-03IONSOption exercise12,00028,000Form 4
2025-09-03IONSOption exercise16,00016,000Form 4
2025-09-03IONSOption exercise16,0000Form 4
2025-09-03IONSOption exercise12,0000Form 4
2025-09-03IONSOption exercise16,00016,000Form 4
2025-09-03IONSOption exercise12,00028,000Form 4
2025-09-03IONSOption exercise16,0000Form 4
2025-07-01IONSAward / grant11,51811,518Form 4
2025-07-01IONSAward / grant5,22013,976Form 4
2024-07-16IONSOption exercise12,00012,000Form 4
2024-07-16IONSOption exercise12,0000Form 4
2024-07-01IONSAward / grant10,11110,111Form 4
2024-07-01IONSAward / grant4,0798,756Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

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