DIORIO CHRIS PH.D.

Director · Officer · PI

As of 2026-09-16, DIORIO CHRIS PH.D. has 121 Form 4 transactions on record across 1 company — 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: $62.9MIndirect: $35.4M$98.3Mas of 2026-09-16
  • Direct $62.9M
  • Indirect $35.4M
PIdirect354,421 sh$62.9M
PIindirect199,362 sh$35.4M

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

PI · 121 trades
2026-09-14: Gift, 10,000 sh ($0)2026-08-20: Withheld for tax, 1,477 sh ($236K)2026-08-20: Option exercise, 3,753 sh ($0)2026-08-20: Option exercise, 3,753 sh ($0)2026-08-17: Gift, 10,000 sh ($0)2026-07-13: Gift, 10,000 sh ($0)2026-06-23: Withheld for tax, 1,197 sh ($150K)2026-06-23: Option exercise, 1,223 sh ($0)2026-06-23: Option exercise, 1,817 sh ($0)2026-06-23: Option exercise, 1,223 sh ($0)2026-06-23: Option exercise, 1,817 sh ($0)2026-06-15: Gift, 10,000 sh ($0)2026-05-26: Other acquisition, 180,000 sh ($28.2M)2026-05-26: Other acquisition, 180,000 sh ($28.2M)2026-03-23: Withheld for tax, 2,218 sh ($224K)2026-03-23: Award / grant, 24,806 sh ($0)2026-03-23: Option exercise, 1,817 sh ($0)2026-03-23: Option exercise, 1,224 sh ($0)2026-03-23: Option exercise, 2,594 sh ($0)2026-03-23: Option exercise, 1,817 sh ($0)2026-03-23: Option exercise, 2,594 sh ($0)2026-03-23: Option exercise, 1,224 sh ($0)2026-02-20: Withheld for tax, 7,435 sh ($951K)2026-02-20: Award / grant, 21,734 sh ($0)2026-02-17: Gift, 1,836 sh ($0)2025-12-23: Withheld for tax, 2,218 sh ($381K)2025-12-23: Option exercise, 1,224 sh ($0)2025-12-23: Option exercise, 1,817 sh ($0)2025-12-23: Option exercise, 1,224 sh ($0)2025-12-23: Option exercise, 2,594 sh ($0)2025-12-23: Option exercise, 1,817 sh ($0)2025-12-23: Option exercise, 2,594 sh ($0)2025-11-19: Gift, 7,000 sh ($0)2025-10-30: Option exercise, 23,500 sh ($526K)2025-10-30: Option exercise, 23,500 sh ($0)2025-09-23: Withheld for tax, 2,219 sh ($410K)2025-09-23: Option exercise, 1,818 sh ($0)2025-09-23: Option exercise, 2,594 sh ($0)2025-09-23: Option exercise, 1,224 sh ($0)2025-09-23: Option exercise, 1,818 sh ($0)2025-09-23: Option exercise, 1,224 sh ($0)2025-09-23: Option exercise, 2,594 sh ($0)2025-09-18: Option exercise, 47,039 sh ($1.6M)2025-09-18: Option exercise, 7,036 sh ($158K)2025-09-18: Option exercise, 7,036 sh ($0)2025-09-18: Option exercise, 47,039 sh ($0)2025-09-16: Sale, 1,821 sh ($339K)2025-09-16: Sale, 1,073 sh ($201K)2025-09-16: Sale, 850 sh ($161K)2025-09-16: Sale, 340 sh ($65K)2025-09-16: Sale, 12 sh ($2K)2025-09-15: Sale, 1,909 sh ($347K)2025-09-15: Sale, 1,260 sh ($230K)2025-09-15: Sale, 796 sh ($146K)2025-09-15: Sale, 568 sh ($102K)2025-09-15: Sale, 467 sh ($84K)2025-09-12: Gift, 30,000 sh ($0)2025-09-09: Sale, 1,332 sh ($259K)2025-09-09: Sale, 1,120 sh ($219K)2025-09-09: Sale, 790 sh ($156K)2025-09-09: Sale, 510 sh ($98K)2025-09-09: Sale, 330 sh ($63K)2025-09-09: Sale, 303 sh ($60K)2025-09-09: Sale, 249 sh ($49K)2025-09-09: Sale, 199 sh ($38K)2025-09-09: Sale, 167 sh ($33K)2025-09-08: Sale, 3,007 sh ($579K)2025-09-08: Sale, 1,893 sh ($363K)2025-09-08: Sale, 100 sh ($19K)2025-09-03: Sale, 2,557 sh ($486K)2025-09-03: Sale, 1,438 sh ($272K)2025-09-03: Sale, 925 sh ($174K)2025-09-03: Sale, 80 sh ($15K)2025-09-02: Sale, 4,517 sh ($816K)2025-09-02: Sale, 483 sh ($88K)2025-08-29: Sale, 2,800 sh ($530K)2025-08-29: Sale, 2,000 sh ($377K)2025-08-29: Sale, 200 sh ($38K)2025-08-28: Sale, 1,749 sh ($329K)2025-08-28: Sale, 1,112 sh ($207K)2025-08-28: Sale, 960 sh ($182K)2025-08-28: Sale, 784 sh ($146K)2025-08-28: Sale, 325 sh ($62K)2025-08-28: Sale, 70 sh ($13K)2025-08-20: Award / grant, 15,015 sh ($0)2025-06-23: Withheld for tax, 2,218 sh ($236K)2025-06-23: Option exercise, 2,593 sh ($0)2025-06-23: Option exercise, 1,817 sh ($0)2025-06-23: Option exercise, 1,223 sh ($0)2025-06-23: Option exercise, 2,593 sh ($0)2025-06-23: Option exercise, 1,817 sh ($0)2025-06-23: Option exercise, 1,223 sh ($0)2025-05-01: Other acquisition, 288,132 sh ($0)2025-04-14: Withheld for tax, 1,230 sh ($82K)2025-04-12: Option exercise, 3,125 sh ($0)2025-04-12: Option exercise, 3,125 sh ($0)2025-03-24: Withheld for tax, 4,363 sh ($394K)2025-03-23: Option exercise, 2,594 sh ($0)2025-03-23: Option exercise, 1,224 sh ($0)2025-03-23: Option exercise, 7,268 sh ($0)2025-03-23: Option exercise, 1,224 sh ($0)2025-03-23: Option exercise, 2,594 sh ($0)2025-03-23: Option exercise, 7,268 sh ($0)2025-02-21: Sale, 3,875 sh ($386K)2025-02-21: Sale, 3,031 sh ($296K)2025-02-21: Sale, 1,348 sh ($133K)2025-02-21: Sale, 80 sh ($8K)2025-02-20: Award / grant, 20,750 sh ($0)2025-02-11: Gift, 366 sh ($0)2025-02-10: Option exercise, 10,000 sh ($224K)2025-02-10: Option exercise, 10,000 sh ($0)2025-02-10: Gift, 1,830 sh ($0)2025-01-13: Sale, 470 sh ($66K)2025-01-13: Sale, 371 sh ($52K)2025-01-12: Option exercise, 3,125 sh ($0)2025-01-12: Option exercise, 3,125 sh ($0)2024-12-24: Sale, 1,504 sh ($220K)2024-12-23: Option exercise, 2,594 sh ($0)2024-12-23: Option exercise, 1,224 sh ($0)2024-12-23: Option exercise, 2,594 sh ($0)2024-12-23: Option exercise, 1,224 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-09-16PISale1,821 @ $186.43$339K−0.6% of holding299,288Form 4
2025-09-16PISale1,073 @ $187.52$201K−0.4% of holding298,215Form 4
2025-09-16PISale850 @ $189.21$161K−0.3% of holding297,365Form 4
2025-09-16PISale340 @ $190.26$65K−0.1% of holding297,025Form 4
2025-09-16PISale12 @ $191.76$2K−0.0% of holding297,013Form 4
2025-09-15PISale1,909 @ $181.84$347K−0.6% of holding303,165Form 4
2025-09-15PISale1,260 @ $182.77$230K−0.4% of holding301,905Form 4
2025-09-15PISale796 @ $183.47$146K−0.3% of holding301,109Form 4
2025-09-15PISale568 @ $179.26$102K−0.2% of holding305,541Form 4
2025-09-15PISale467 @ $180.65$84K−0.2% of holding305,074Form 4
2025-09-09PISale1,332 @ $194.18$259K−0.4% of holding338,738Form 4
2025-09-09PISale1,120 @ $195.10$219K−0.3% of holding337,618Form 4
2025-09-09PISale790 @ $197.23$156K−0.2% of holding336,579Form 4
2025-09-09PISale510 @ $192.84$98K−0.1% of holding340,070Form 4
2025-09-09PISale330 @ $190.42$63K−0.1% of holding340,779Form 4
2025-09-09PISale303 @ $197.86$60K−0.1% of holding336,276Form 4
2025-09-09PISale249 @ $196.34$49K−0.1% of holding337,369Form 4
2025-09-09PISale199 @ $191.30$38K−0.1% of holding340,580Form 4
2025-09-09PISale167 @ $199.77$33K−0.0% of holding336,109Form 4
2025-09-08PISale3,007 @ $192.58$579K−0.9% of holding341,209Form 4
2025-09-08PISale1,893 @ $191.81$363K−0.5% of holding344,216Form 4
2025-09-08PISale100 @ $193.29$19K−0.0% of holding341,109Form 4
2025-09-03PISale2,557 @ $190.15$486K−0.7% of holding346,109Form 4
2025-09-03PISale1,438 @ $189.49$272K−0.4% of holding348,666Form 4
2025-09-03PISale925 @ $187.96$174K−0.3% of holding350,104Form 4
2025-09-03PISale80 @ $186.37$15K−0.0% of holding351,029Form 4
2025-09-02PISale4,517 @ $180.56$816K−1.3% of holding351,592Form 4
2025-09-02PISale483 @ $181.35$88K−0.1% of holding351,109Form 4
2025-08-29PISale2,800 @ $189.39$530K−0.8% of holding356,309Form 4
2025-08-29PISale2,000 @ $188.39$377K−0.6% of holding359,109Form 4
2025-08-29PISale200 @ $190.28$38K−0.1% of holding356,109Form 4
2025-08-28PISale1,749 @ $188.14$329K−0.5% of holding362,464Form 4
2025-08-28PISale1,112 @ $185.93$207K−0.3% of holding364,997Form 4
2025-08-28PISale960 @ $189.06$182K−0.3% of holding361,504Form 4
2025-08-28PISale784 @ $186.80$146K−0.2% of holding364,213Form 4
2025-08-28PISale325 @ $190.33$62K−0.1% of holding361,179Form 4
2025-08-28PISale70 @ $190.79$13K−0.0% of holding361,109Form 4
2025-02-21PISale3,875 @ $99.70$386K−1.1% of holding354,156Form 4
2025-02-21PISale3,031 @ $97.74$296K−0.8% of holding359,379Form 4
2025-02-21PISale1,348 @ $98.38$133K−0.4% of holding358,031Form 4
2025-02-21PISale80 @ $100.25$8K−0.0% of holding354,076Form 4
2025-01-13PISale470 @ $141.33$66K−0.1% of holding333,856Form 4
2025-01-13PISale371 @ $140.63$52K−0.1% of holding334,326Form 4
2024-12-24PISale1,504 @ $146.22$220K−0.5% of holding331,572Form 4
77 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-14PIGift10,000354,421Form 4
2026-08-20PIWithheld for tax1,477364,421Form 4
2026-08-20PIOption exercise3,75311,262Form 4
2026-08-20PIOption exercise3,753365,898Form 4
2026-08-17PIGift10,000362,145Form 4
2026-07-13PIGift10,000372,145Form 4
2026-06-23PIWithheld for tax1,197382,145Form 4
2026-06-23PIOption exercise1,223381,525Form 4
2026-06-23PIOption exercise1,81712,721Form 4
2026-06-23PIOption exercise1,2233,672Form 4
2026-06-23PIOption exercise1,817383,342Form 4
2026-06-15PIGift10,000380,302Form 4
2026-05-26PIOther acquisition180,000390,302Form 4
2026-05-26PIOther acquisition180,000570,302Form 4
2026-03-23PIWithheld for tax2,218390,302Form 4
2026-03-23PIAward / grant24,80624,806Form 4
2026-03-23PIOption exercise1,81714,538Form 4
2026-03-23PIOption exercise1,2244,895Form 4
2026-03-23PIOption exercise2,5940Form 4
2026-03-23PIOption exercise1,817392,520Form 4
2026-03-23PIOption exercise2,594389,479Form 4
2026-03-23PIOption exercise1,224390,703Form 4
2026-02-20PIWithheld for tax7,435386,885Form 4
2026-02-20PIAward / grant21,734394,320Form 4
2026-02-17PIGift1,836372,586Form 4
2025-12-23PIWithheld for tax2,218374,422Form 4
2025-12-23PIOption exercise1,224374,823Form 4
2025-12-23PIOption exercise1,81716,355Form 4
2025-12-23PIOption exercise1,2246,119Form 4
2025-12-23PIOption exercise2,5942,594Form 4
2025-12-23PIOption exercise1,817376,640Form 4
2025-12-23PIOption exercise2,594373,599Form 4
2025-11-19PIGift7,000371,005Form 4
2025-10-30PIOption exercise23,500378,005Form 4
2025-10-30PIOption exercise23,5000Form 4
2025-09-23PIWithheld for tax2,219354,505Form 4
2025-09-23PIOption exercise1,818356,724Form 4
2025-09-23PIOption exercise2,594353,682Form 4
2025-09-23PIOption exercise1,224354,906Form 4
2025-09-23PIOption exercise1,81818,172Form 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.