SCHMERTZLER MICHAEL

Director · Ten-percent owner · PTCT, HLNE

As of 2026-09-16, SCHMERTZLER MICHAEL has 22 Form 4 transactions on record across 2 companies — 16 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: $54.4MIndirect: $142.9M$197.3Mas of 2026-09-16
  • Direct $54.4M
  • Indirect $142.9M
PTCTindirect1,316,594 sh$89.0M
HLNEindirect600,000 sh$53.9M
HLNEdirect600,000 sh$53.9M
PTCTdirect6,950 sh$470K

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

PTCT · 18 trades
2026-09-10: Sale, 10,000 sh ($673K)2026-09-09: Sale, 9,428 sh ($639K)2026-09-09: Sale, 572 sh ($39K)2026-08-27: Sale, 11,890 sh ($851K)2026-08-27: Sale, 610 sh ($44K)2026-08-26: Sale, 6,874 sh ($500K)2026-08-26: Sale, 5,626 sh ($412K)2026-08-20: Sale, 9,419 sh ($667K)2026-08-20: Sale, 2,390 sh ($172K)2026-08-20: Sale, 691 sh ($50K)2026-08-19: Sale, 7,165 sh ($528K)2026-08-19: Sale, 5,335 sh ($389K)2026-01-02: Award / grant, 6,950 sh ($0)2026-01-02: Award / grant, 8,000 sh ($0)2025-12-16: Option exercise, 24,000 sh ($741K)2025-12-16: Option exercise, 24,000 sh ($0)2025-01-03: Award / grant, 17,600 sh ($0)2025-01-03: Award / grant, 8,000 sh ($0)
HLNE · 4 trades
2025-09-04: Other acquisition, 25,005 sh ($3.7M)2025-09-04: Other acquisition, 25,005 sh ($25)2025-02-12: Other acquisition, 100,000 sh ($15.9M)2025-02-12: Other acquisition, 100,000 sh ($100)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-10PTCTSale10,000 @ $67.34$673K−0.8% of holding1,316,594Form 4
2026-09-09PTCTSale9,428 @ $67.79$639K−0.7% of holding1,327,166Form 4
2026-09-09PTCTSale572 @ $68.67$39K−0.0% of holding1,326,594Form 4
2026-08-27PTCTSale11,890 @ $71.55$851K−0.9% of holding1,337,204Form 4
2026-08-27PTCTSale610 @ $72.22$44K−0.0% of holding1,336,594Form 4
2026-08-26PTCTSale6,874 @ $72.74$500K−0.5% of holding1,354,720Form 4
2026-08-26PTCTSale5,626 @ $73.18$412K−0.4% of holding1,349,094Form 4
2026-08-20PTCTSale9,419 @ $70.78$667K−0.7% of holding1,364,675Form 4
2026-08-20PTCTSale2,390 @ $71.88$172K−0.2% of holding1,362,285Form 4
2026-08-20PTCTSale691 @ $72.92$50K−0.1% of holding1,361,594Form 4
2026-08-19PTCTSale7,165 @ $73.67$528K−0.5% of holding1,374,094Form 4
2026-08-19PTCTSale5,335 @ $72.86$389K−0.4% of holding1,381,259Form 4
10 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-01-02PTCTAward / grant6,9506,950Form 4
2026-01-02PTCTAward / grant8,000163,266Form 4
2025-12-16PTCTOption exercise24,000155,266Form 4
2025-12-16PTCTOption exercise24,0000Form 4
2025-09-04HLNEOther acquisition25,005600,000Form 4
2025-09-04HLNEOther acquisition25,005600,000Form 4
2025-02-12HLNEOther acquisition100,000625,005Form 4
2025-02-12HLNEOther acquisition100,000625,005Form 4
2025-01-03PTCTAward / grant17,60017,600Form 4
2025-01-03PTCTAward / grant8,000131,266Form 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.