LEIDEN JEFFREY M

Director · Officer · ODTX, VRTX

As of 2026-09-16, LEIDEN JEFFREY M has 50 Form 4 transactions on record across 2 companies — 46 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.

Reconstructed holdings

Direct: $24.1MIndirect: $0$24.1Mas of 2026-09-16
  • Direct $24.1M
  • Indirect $0
VRTXdirect34,797 sh$17.9M
ODTXdirect270,198 sh$6.2M

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

VRTX · 35 trades
2026-02-24: Withheld for tax, 3,547 sh ($1.7M)2026-02-18: Withheld for tax, 2,964 sh ($1.4M)2026-02-17: Award / grant, 8,269 sh ($0)2026-01-22: Award / grant, 9,012 sh ($0)2025-12-04: Option exercise, 1 sh ($91)2025-12-04: Option exercise, 1 sh ($0)2025-12-03: Sale, 15,681 sh ($7.1M)2025-12-03: Option exercise, 63,781 sh ($5.5M)2025-12-03: Sale, 10,360 sh ($4.7M)2025-12-03: Sale, 7,899 sh ($3.5M)2025-12-03: Sale, 5,880 sh ($2.6M)2025-12-03: Sale, 5,809 sh ($2.6M)2025-12-03: Sale, 4,469 sh ($2.0M)2025-12-03: Sale, 4,352 sh ($1.9M)2025-12-03: Sale, 2,469 sh ($1.1M)2025-12-03: Sale, 2,320 sh ($1.0M)2025-12-03: Sale, 2,070 sh ($942K)2025-12-03: Sale, 1,320 sh ($582K)2025-12-03: Sale, 1,152 sh ($515K)2025-12-03: Option exercise, 63,781 sh ($0)2025-11-14: Sale, 32,234 sh ($14.2M)2025-11-14: Sale, 21,330 sh ($9.4M)2025-11-14: Option exercise, 39,769 sh ($3.4M)2025-11-14: Option exercise, 13,835 sh ($1.3M)2025-11-14: Sale, 40 sh ($18K)2025-11-14: Option exercise, 13,835 sh ($0)2025-11-14: Option exercise, 39,769 sh ($0)2025-11-13: Sale, 18,528 sh ($8.2M)2025-11-13: Option exercise, 19,688 sh ($1.8M)2025-11-13: Sale, 1,160 sh ($512K)2025-11-13: Option exercise, 19,688 sh ($0)2025-02-14: Withheld for tax, 6,066 sh ($2.8M)2025-02-13: Withheld for tax, 2,525 sh ($1.1M)2025-02-12: Award / grant, 7,209 sh ($0)2025-02-04: Award / grant, 15,414 sh ($0)
ODTX · 15 trades
2026-05-11: Withheld for tax, 17 sh ($306)2026-05-11: Option exercise, 28,800 sh2026-05-11: Conversion, 96,002 sh2026-05-11: Conversion, 100,000 sh2026-05-11: Conversion, 79,166 sh2026-05-11: Option exercise, 2,963 sh2026-05-11: Conversion, 28,698 sh2026-05-11: Option exercise, 28,800 sh2026-05-11: Conversion, 96,002 sh2026-05-11: Conversion, 100,000 sh2026-05-11: Conversion, 79,166 sh2026-05-11: Conversion, 28,698 sh2026-05-11: Option exercise, 2,963 sh2026-05-08: Purchase, 5,000 sh ($100K)2026-05-07: Award / grant, 626,220 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-08ODTXPurchase5,000 @ $20.00$100K+1.9% of holding270,198Form 4
2025-12-03VRTXSale15,681 @ $452.20$7.1M−30.1% of holding36,456Form 4
2025-12-03VRTXSale10,360 @ $453.34$4.7M−28.4% of holding26,096Form 4
2025-12-03VRTXSale7,899 @ $445.56$3.5M−10.5% of holding67,298Form 4
2025-12-03VRTXSale5,880 @ $449.84$2.6M−9.2% of holding57,946Form 4
2025-12-03VRTXSale5,809 @ $451.20$2.6M−10.0% of holding52,137Form 4
2025-12-03VRTXSale4,469 @ $440.40$2.0M−5.1% of holding83,338Form 4
2025-12-03VRTXSale4,352 @ $444.36$1.9M−5.5% of holding75,197Form 4
2025-12-03VRTXSale2,469 @ $443.21$1.1M−3.0% of holding79,549Form 4
2025-12-03VRTXSale2,320 @ $448.78$1.0M−3.5% of holding63,826Form 4
2025-12-03VRTXSale2,070 @ $455.22$942K−7.9% of holding24,026Form 4
2025-12-03VRTXSale1,320 @ $441.26$582K−1.6% of holding82,018Form 4
2025-12-03VRTXSale1,152 @ $447.05$515K−1.7% of holding66,146Form 4
2025-11-14VRTXSale32,234 @ $440.30$14.2M−41.5% of holding45,396Form 4
2025-11-14VRTXSale21,330 @ $441.35$9.4M−47.0% of holding24,066Form 4
2025-11-14VRTXSale40 @ $442.00$18K−0.2% of holding24,026Form 4
2025-11-13VRTXSale18,528 @ $440.22$8.2M−42.4% of holding25,186Form 4
2025-11-13VRTXSale1,160 @ $441.05$512K−4.6% of holding24,026Form 4
32 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-11ODTXWithheld for tax1731,644Form 4
2026-05-11ODTXOption exercise28,8000Form 4
2026-05-11ODTXConversion96,0020Form 4
2026-05-11ODTXConversion100,0000Form 4
2026-05-11ODTXConversion79,1660Form 4
2026-05-11ODTXOption exercise2,96331,661Form 4
2026-05-11ODTXConversion28,69828,698Form 4
2026-05-11ODTXOption exercise28,8000Form 4
2026-05-11ODTXConversion96,0020Form 4
2026-05-11ODTXConversion100,0000Form 4
2026-05-11ODTXConversion79,1660Form 4
2026-05-11ODTXConversion28,69828,698Form 4
2026-05-11ODTXOption exercise2,96331,661Form 4
2026-05-07ODTXAward / grant626,220626,220Form 4
2026-02-24VRTXWithheld for tax3,54734,797Form 4
2026-02-18VRTXWithheld for tax2,96438,344Form 4
2026-02-17VRTXAward / grant8,26941,308Form 4
2026-01-22VRTXAward / grant9,01233,039Form 4
2025-12-04VRTXOption exercise124,027Form 4
2025-12-04VRTXOption exercise10Form 4
2025-12-03VRTXOption exercise63,78187,807Form 4
2025-12-03VRTXOption exercise63,7810Form 4
2025-11-14VRTXOption exercise39,76977,630Form 4
2025-11-14VRTXOption exercise13,83537,861Form 4
2025-11-14VRTXOption exercise13,8351Form 4
2025-11-14VRTXOption exercise39,76963,781Form 4
2025-11-13VRTXOption exercise19,68843,714Form 4
2025-11-13VRTXOption exercise19,68813,836Form 4
2025-02-14VRTXWithheld for tax6,06624,026Form 4
2025-02-13VRTXWithheld for tax2,52530,092Form 4
2025-02-12VRTXAward / grant7,20932,617Form 4
2025-02-04VRTXAward / grant15,41425,408Form 4

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

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.