Schlosser Mario

Director · Officer · OSCR, DUOL

As of 2026-09-16, Schlosser Mario has 94 Form 4 transactions on record across 2 companies — 89 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 September in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $15.2MIndirect: $1.5M$16.7Mas of 2026-09-16
  • Direct $15.2M
  • Indirect $1.5M
OSCRdirect449,444 sh$14.5M
OSCRindirect47,500 sh$1.5M
DUOLdirect4,262 sh$632K

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

OSCR · 91 trades
2026-09-03: Sale, 31,422 sh ($988K)2026-08-28: Sale, 150,000 sh ($4.6M)2026-08-28: Option exercise, 150,000 sh ($1.5M)2026-08-28: Option exercise, 150,000 sh ($0)2026-08-28: Conversion, 150,000 sh ($0)2026-08-28: Conversion, 150,000 sh2026-08-28: Conversion, 150,000 sh2026-08-28: Conversion, 150,000 sh2026-08-28: Conversion, 150,000 sh2026-08-27: Sale, 600,000 sh ($18.2M)2026-08-27: Option exercise, 600,000 sh ($5.8M)2026-08-27: Option exercise, 600,000 sh ($0)2026-08-27: Conversion, 600,000 sh ($0)2026-08-27: Conversion, 600,000 sh2026-08-27: Conversion, 600,000 sh2026-08-27: Conversion, 600,000 sh2026-08-27: Conversion, 600,000 sh2026-07-01: Sale, 30,228 sh ($957K)2026-07-01: Sale, 13,672 sh ($421K)2026-07-01: Sale, 3,600 sh ($106K)2026-07-01: Conversion, 47,500 sh ($0)2026-07-01: Conversion, 47,500 sh2026-07-01: Conversion, 47,500 sh2026-06-23: Sale, 591,213 sh ($17.5M)2026-06-23: Sale, 286,988 sh ($8.3M)2026-06-23: Option exercise, 660,000 sh ($6.4M)2026-06-23: Sale, 33,592 sh ($994K)2026-06-23: Sale, 33,591 sh ($994K)2026-06-23: Sale, 31,912 sh ($944K)2026-06-23: Sale, 16,307 sh ($472K)2026-06-23: Sale, 16,306 sh ($472K)2026-06-23: Sale, 15,491 sh ($448K)2026-06-23: Sale, 1,799 sh ($54K)2026-06-23: Sale, 102 sh ($3K)2026-06-23: Sale, 97 sh ($3K)2026-06-23: Conversion, 47,500 sh ($0)2026-06-23: Option exercise, 660,000 sh ($0)2026-06-23: Conversion, 880,000 sh ($0)2026-06-23: Conversion, 50,000 sh ($0)2026-06-23: Conversion, 47,500 sh2026-06-23: Conversion, 880,000 sh2026-06-23: Conversion, 50,000 sh2026-06-23: Conversion, 50,000 sh2026-06-23: Conversion, 880,000 sh2026-06-23: Conversion, 50,000 sh2026-06-23: Conversion, 47,500 sh2026-06-23: Conversion, 50,000 sh2026-06-02: Sale, 24,452 sh ($532K)2026-06-02: Sale, 9,668 sh ($217K)2026-03-02: Sale, 24,335 sh ($326K)2026-03-02: Award / grant, 189,141 sh ($0)2026-01-08: Sale, 23,038 sh ($407K)2026-01-08: Conversion, 23,038 sh ($0)2026-01-08: Conversion, 23,038 sh2026-01-08: Conversion, 23,038 sh2026-01-06: Sale, 76,962 sh ($1.3M)2026-01-06: Conversion, 76,962 sh ($0)2026-01-06: Conversion, 76,962 sh2026-01-06: Conversion, 76,962 sh2026-01-05: Sale, 96,928 sh ($1.5M)2026-01-05: Conversion, 86,893 sh ($0)2026-01-05: Conversion, 86,893 sh2026-01-05: Conversion, 86,893 sh2026-01-02: Sale, 137,933 sh ($2.1M)2026-01-02: Conversion, 59,800 sh ($0)2026-01-02: Conversion, 59,800 sh2026-01-02: Conversion, 59,800 sh2025-12-24: Sale, 38,835 sh ($583K)2025-12-02: Sale, 23,965 sh ($398K)2025-11-12: Sale, 105,300 sh ($1.6M)2025-11-12: Option exercise, 141,330 sh ($899K)2025-11-12: Conversion, 105,300 sh ($0)2025-11-12: Option exercise, 141,330 sh ($0)2025-11-12: Conversion, 105,300 sh2025-11-12: Conversion, 105,300 sh2025-11-11: Sale, 286,182 sh ($4.4M)2025-11-11: Option exercise, 413,835 sh ($2.6M)2025-11-11: Conversion, 286,182 sh ($0)2025-11-11: Option exercise, 413,835 sh ($0)2025-11-11: Conversion, 286,182 sh2025-11-11: Conversion, 286,182 sh2025-09-22: Sale, 395,000 sh ($7.3M)2025-09-22: Option exercise, 555,165 sh ($3.5M)2025-09-22: Option exercise, 555,165 sh ($0)2025-09-22: Conversion, 395,000 sh ($0)2025-09-22: Conversion, 395,000 sh2025-09-22: Conversion, 395,000 sh2025-09-02: Withheld for tax, 23,879 sh ($398K)2025-06-02: Withheld for tax, 23,879 sh ($330K)2025-03-05: Award / grant, 172,269 sh ($0)2025-03-01: Withheld for tax, 7,970 sh ($116K)
DUOL · 3 trades
2026-07-10: Award / grant, 140 sh ($17K)2026-06-03: Award / grant, 2,001 sh ($0)2025-06-11: Award / grant, 379 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-03OSCRSale31,422 @ $31.45$988K−6.5% of holding449,444Form 4
2026-08-28OSCRSale150,000 @ $30.79$4.6M−23.8% of holding480,866Form 4
2026-08-27OSCRSale600,000 @ $30.34$18.2M−55.5% of holding480,866Form 4
2026-07-01OSCRSale30,228 @ $31.65$957K−100.0% of holding0Form 4
2026-07-01OSCRSale13,672 @ $30.80$421K−31.1% of holding30,228Form 4
2026-07-01OSCRSale3,600 @ $29.50$106K−7.6% of holding43,900Form 4
2026-06-23OSCRSale591,213 @ $29.58$17.5M−55.1% of holding482,665Form 4
2026-06-23OSCRSale286,988 @ $28.95$8.3M−21.1% of holding1,073,878Form 4
2026-06-23OSCRSale33,592 @ $29.58$994K−99.7% of holding102Form 4
2026-06-23OSCRSale33,591 @ $29.58$994K−99.7% of holding102Form 4
2026-06-23OSCRSale31,912 @ $29.58$944K−99.7% of holding97Form 4
2026-06-23OSCRSale16,307 @ $28.95$472K−32.6% of holding33,693Form 4
2026-06-23OSCRSale16,306 @ $28.95$472K−32.6% of holding33,694Form 4
2026-06-23OSCRSale15,491 @ $28.95$448K−32.6% of holding32,009Form 4
2026-06-23OSCRSale1,799 @ $30.09$54K−0.4% of holding480,866Form 4
2026-06-23OSCRSale102 @ $30.09$3K−100.0% of holding0Form 4
2026-06-23OSCRSale97 @ $30.09$3K−100.0% of holding0Form 4
2026-06-02OSCRSale24,452 @ $21.74$532K−4.7% of holding490,534Form 4
2026-06-02OSCRSale9,668 @ $22.45$217K−2.0% of holding480,866Form 4
2026-03-02OSCRSale24,335 @ $13.39$326K−4.5% of holding514,986Form 4
2026-01-08OSCRSale23,038 @ $17.65$407K−6.2% of holding350,180Form 4
2026-01-06OSCRSale76,962 @ $17.01$1.3M−18.0% of holding350,180Form 4
2026-01-05OSCRSale96,928 @ $15.64$1.5M−21.7% of holding350,180Form 4
2026-01-02OSCRSale137,933 @ $15.02$2.1M−27.7% of holding360,215Form 4
2025-12-24OSCRSale38,835 @ $15.00$583K−8.1% of holding438,348Form 4
2025-12-02OSCRSale23,965 @ $16.59$398K−4.8% of holding477,183Form 4
2025-11-12OSCRSale105,300 @ $15.05$1.6M−17.4% of holding501,148Form 4
2025-11-11OSCRSale286,182 @ $15.27$4.4M−36.3% of holding501,148Form 4
2025-09-22OSCRSale395,000 @ $18.43$7.3M−44.1% of holding501,148Form 4
65 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-28OSCROption exercise150,0001,362,293Form 4
2026-08-28OSCROption exercise150,0002,990,000Form 4
2026-08-28OSCRConversion150,0001,212,293Form 4
2026-08-28OSCRConversion150,000630,866Form 4
2026-08-28OSCRConversion150,000630,866Form 4
2026-08-28OSCRConversion150,000630,866Form 4
2026-08-28OSCRConversion150,000630,866Form 4
2026-08-27OSCROption exercise600,0001,812,293Form 4
2026-08-27OSCROption exercise600,0003,140,000Form 4
2026-08-27OSCRConversion600,0001,212,293Form 4
2026-08-27OSCRConversion600,0001,080,866Form 4
2026-08-27OSCRConversion600,0001,080,866Form 4
2026-08-27OSCRConversion600,0001,080,866Form 4
2026-08-27OSCRConversion600,0001,080,866Form 4
2026-07-10DUOLAward / grant1404,262Form 4
2026-07-01OSCRConversion47,500538,333Form 4
2026-07-01OSCRConversion47,50047,500Form 4
2026-07-01OSCRConversion47,50047,500Form 4
2026-06-23OSCROption exercise660,0002,092,293Form 4
2026-06-23OSCRConversion47,500585,833Form 4
2026-06-23OSCROption exercise660,0003,740,000Form 4
2026-06-23OSCRConversion880,0001,212,293Form 4
2026-06-23OSCRConversion50,000283,333Form 4
2026-06-23OSCRConversion47,50047,500Form 4
2026-06-23OSCRConversion880,0001,360,866Form 4
2026-06-23OSCRConversion50,00050,000Form 4
2026-06-23OSCRConversion50,00050,000Form 4
2026-06-23OSCRConversion880,0001,360,866Form 4
2026-06-23OSCRConversion50,00050,000Form 4
2026-06-23OSCRConversion47,50047,500Form 4
2026-06-23OSCRConversion50,00050,000Form 4
2026-06-03DUOLAward / grant2,0014,122Form 4
2026-03-02OSCRAward / grant189,141539,321Form 4
2026-01-08OSCRConversion23,0381,432,293Form 4
2026-01-08OSCRConversion23,038373,218Form 4
2026-01-08OSCRConversion23,038373,218Form 4
2026-01-06OSCRConversion76,9621,455,331Form 4
2026-01-06OSCRConversion76,962427,142Form 4
2026-01-06OSCRConversion76,962427,142Form 4
2026-01-05OSCRConversion86,8931,532,293Form 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.