Dier Mardi

Director · Officer · MDGL, ORIC, PRLD

As of 2026-09-16, Dier Mardi has 40 Form 4 transactions on record across 3 companies — 33 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 March in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $7.3MIndirect: $0$7.3Mas of 2026-09-16
  • Direct $7.3M
  • Indirect $0
MDGLdirect12,490 sh$6.6M
ORICdirect40,000 sh$502K
PRLDdirect38,000 sh$170K

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

MDGL · 37 trades
2026-03-06: Sale, 646 sh ($279K)2026-03-06: Sale, 420 sh ($179K)2026-03-06: Sale, 160 sh ($69K)2026-03-06: Sale, 160 sh ($69K)2026-03-06: Sale, 120 sh ($52K)2026-03-06: Sale, 116 sh ($50K)2026-03-06: Sale, 80 sh ($35K)2026-03-06: Sale, 80 sh ($35K)2026-03-06: Sale, 80 sh ($34K)2026-03-06: Sale, 40 sh ($18K)2026-03-06: Sale, 40 sh ($17K)2026-03-06: Sale, 40 sh ($17K)2026-03-04: Award / grant, 6,519 sh ($0)2026-03-04: Award / grant, 5,215 sh ($0)2026-03-02: Sale, 1,183 sh ($505K)2025-12-02: Option exercise, 4,173 sh ($1.1M)2025-12-02: Sale, 717 sh ($412K)2025-12-02: Sale, 480 sh ($278K)2025-12-02: Sale, 410 sh ($235K)2025-12-02: Sale, 354 sh ($203K)2025-12-02: Sale, 320 sh ($185K)2025-12-02: Sale, 320 sh ($183K)2025-12-02: Sale, 258 sh ($149K)2025-12-02: Sale, 240 sh ($141K)2025-12-02: Sale, 240 sh ($141K)2025-12-02: Sale, 240 sh ($138K)2025-12-02: Sale, 160 sh ($94K)2025-12-02: Sale, 160 sh ($94K)2025-12-02: Sale, 120 sh ($69K)2025-12-02: Sale, 80 sh ($48K)2025-12-02: Sale, 74 sh ($44K)2025-12-02: Option exercise, 4,173 sh ($0)2025-03-10: Sale, 258 sh ($83K)2025-03-05: Award / grant, 6,374 sh ($0)2025-03-05: Award / grant, 3,784 sh ($0)2025-03-03: Sale, 1,187 sh ($387K)2025-03-03: Sale, 774 sh ($250K)
ORIC · 2 trades
2026-01-02: Award / grant, 40,000 sh ($0)2025-01-02: Award / grant, 35,000 sh ($0)
PRLD · 1 trade
2025-06-12: Award / grant, 38,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-03-06MDGLSale646 @ $431.94$279K−4.5% of holding13,826Form 4
2026-03-06MDGLSale420 @ $426.86$179K−3.0% of holding13,366Form 4
2026-03-06MDGLSale160 @ $434.20$69K−1.2% of holding12,690Form 4
2026-03-06MDGLSale160 @ $429.00$69K−1.2% of holding13,126Form 4
2026-03-06MDGLSale120 @ $430.90$52K−0.9% of holding12,966Form 4
2026-03-06MDGLSale116 @ $432.56$50K−0.9% of holding12,850Form 4
2026-03-06MDGLSale80 @ $436.69$35K−0.6% of holding12,530Form 4
2026-03-06MDGLSale80 @ $435.31$35K−0.6% of holding12,610Form 4
2026-03-06MDGLSale80 @ $427.85$34K−0.6% of holding13,286Form 4
2026-03-06MDGLSale40 @ $437.65$18K−0.3% of holding12,490Form 4
2026-03-06MDGLSale40 @ $429.58$17K−0.3% of holding13,086Form 4
2026-03-06MDGLSale40 @ $425.08$17K−0.3% of holding13,786Form 4
2026-03-02MDGLSale1,183 @ $427.21$505K−11.3% of holding9,257Form 4
2025-12-02MDGLSale717 @ $574.00$412K−5.3% of holding12,812Form 4
2025-12-02MDGLSale480 @ $579.85$278K−4.0% of holding11,394Form 4
2025-12-02MDGLSale410 @ $571.99$235K−2.9% of holding13,883Form 4
2025-12-02MDGLSale354 @ $573.02$203K−2.5% of holding13,529Form 4
2025-12-02MDGLSale320 @ $577.81$185K−2.6% of holding12,132Form 4
2025-12-02MDGLSale320 @ $570.39$183K−2.2% of holding14,293Form 4
2025-12-02MDGLSale258 @ $578.83$149K−2.1% of holding11,874Form 4
2025-12-02MDGLSale240 @ $587.85$141K−2.2% of holding10,914Form 4
2025-12-02MDGLSale240 @ $585.44$141K−2.1% of holding11,154Form 4
2025-12-02MDGLSale240 @ $576.15$138K−1.9% of holding12,452Form 4
2025-12-02MDGLSale160 @ $590.37$94K−1.5% of holding10,594Form 4
2025-12-02MDGLSale160 @ $589.65$94K−1.5% of holding10,754Form 4
2025-12-02MDGLSale120 @ $574.95$69K−0.9% of holding12,692Form 4
2025-12-02MDGLSale80 @ $596.18$48K−0.8% of holding10,440Form 4
2025-12-02MDGLSale74 @ $595.20$44K−0.7% of holding10,520Form 4
2025-03-10MDGLSale258 @ $323.04$83K−2.4% of holding10,440Form 4
2025-03-03MDGLSale1,187 @ $325.89$387K−13.4% of holding7,688Form 4
2025-03-03MDGLSale774 @ $323.54$250K−10.1% of holding6,914Form 4
9 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-04MDGLAward / grant6,5196,519Form 4
2026-03-04MDGLAward / grant5,21514,472Form 4
2026-01-02ORICAward / grant40,00040,000Form 4
2025-12-02MDGLOption exercise4,17314,613Form 4
2025-12-02MDGLOption exercise4,1739,180Form 4
2025-06-12PRLDAward / grant38,00038,000Form 4
2025-03-05MDGLAward / grant6,3746,374Form 4
2025-03-05MDGLAward / grant3,78410,698Form 4
2025-01-02ORICAward / grant35,00035,000Form 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.