Michael Schmertzler

CIK: 0001288952

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)20 (76.9%)

Position reduction

Option Exercises (M)1 (3.8%)

Derivative conversions

Awards (A)3 (11.5%)

Compensation grants

Other (G, F, J, C, D, …)2 (7.7%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

PTCT

PTC THERAPEUTICS, INC.

Director

HLNE

Hamilton Lane INC

Director10% Owner

Discretionary Trading P&L

Holdings

Transaction History (26 total)

PTCT
PTC THERAPEUTICS, INC.
Oct 14, 2026
Sale(S)
Indirect
2.1K shares at avg. $59.52$126K
PTCT
PTC THERAPEUTICS, INC.
Oct 14, 2026
Sale(S)
Indirect
382 shares at avg. $60.14$23K
PTCT
PTC THERAPEUTICS, INC.
Oct 7, 2026
Sale(S)
Indirect
2.4K shares at avg. $63.38$155K
PTCT
PTC THERAPEUTICS, INC.
Oct 7, 2026
Sale(S)
Indirect
53 shares at avg. $63.95$3K
PTCT
PTC THERAPEUTICS, INC.
Sep 17, 2026
Sale(S)
Indirect
9.6K shares at avg. $67.83$653K
PTCT
PTC THERAPEUTICS, INC.
Sep 17, 2026
Sale(S)
Indirect
376 shares at avg. $68.45$26K
PTCT
PTC THERAPEUTICS, INC.
Sep 16, 2026
Sale(S)
Indirect
7K shares at avg. $67.35$472K
PTCT
PTC THERAPEUTICS, INC.
Sep 16, 2026
Sale(S)
Indirect
3K shares at avg. $66.58$199K
HLNE
Hamilton Lane INC
Sep 16, 2026
Award(A)
Direct
977 shares-
PTCT
PTC THERAPEUTICS, INC.
Sep 10, 2026
Sale(S)
Indirect
10K shares at avg. $67.34$673K
PTCT
PTC THERAPEUTICS, INC.
Sep 9, 2026
Sale(S)
Indirect
9.4K shares at avg. $67.79$639K
PTCT
PTC THERAPEUTICS, INC.
Sep 9, 2026
Sale(S)
Indirect
572 shares at avg. $68.67$39K
PTCT
PTC THERAPEUTICS, INC.
Aug 27, 2026
Sale(S)
Indirect
11.9K shares at avg. $71.55$851K
PTCT
PTC THERAPEUTICS, INC.
Aug 27, 2026
Sale(S)
Indirect
610 shares at avg. $72.22$44K
PTCT
PTC THERAPEUTICS, INC.
Aug 26, 2026
Sale(S)
Indirect
5.6K shares at avg. $73.18$412K
PTCT
PTC THERAPEUTICS, INC.
Aug 26, 2026
Sale(S)
Indirect
6.9K shares at avg. $72.74$500K
PTCT
PTC THERAPEUTICS, INC.
Aug 20, 2026
Sale(S)
Indirect
9.4K shares at avg. $70.78$667K
PTCT
PTC THERAPEUTICS, INC.
Aug 20, 2026
Sale(S)
Indirect
2.4K shares at avg. $71.88$172K
PTCT
PTC THERAPEUTICS, INC.
Aug 20, 2026
Sale(S)
Indirect
691 shares at avg. $72.92$50K
PTCT
PTC THERAPEUTICS, INC.
Aug 19, 2026
Sale(S)
Indirect
5.3K shares at avg. $72.86$389K
PTCT
PTC THERAPEUTICS, INC.
Aug 19, 2026
Sale(S)
Indirect
7.2K shares at avg. $73.67$528K
PTCT
PTC THERAPEUTICS, INC.
Jan 2, 2026
Award(A)
Direct
8K shares-
PTCT
PTC THERAPEUTICS, INC.
Dec 16, 2025
Exercise(M)
Direct
24K shares at avg. $30.86$741K
HLNE
Hamilton Lane INC
Sep 4, 2025
Other(J)
Direct
25K shares at avg. $0.00$25.005
HLNE
Hamilton Lane INC
Feb 12, 2025
Other(J)
Direct
100K shares at avg. $0.00$100

		Type	Shares	Price		Ownership
Oct 14, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	2,118	$59.52	$126,063	Indirect
Oct 14, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	382	$60.14	$22,973	Indirect
Oct 7, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	2,447	$63.38	$155,091	Indirect
Oct 7, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	53	$63.95	$3,389	Indirect
Sep 17, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	9,624	$67.83	$652,796	Indirect
Sep 17, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	376	$68.45	$25,737	Indirect
Sep 16, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	7,006	$67.35	$471,854	Indirect
Sep 16, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	2,994	$66.58	$199,341	Indirect
Sep 16, 2026	HLNE Hamilton Lane INC	Award(A)	977	-	$0	Direct
Sep 10, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	10,000	$67.34	$673,400	Indirect
Sep 9, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	9,428	$67.79	$639,124	Indirect
Sep 9, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	572	$68.67	$39,279	Indirect
Aug 27, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	11,890	$71.55	$850,730	Indirect
Aug 27, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	610	$72.22	$44,054	Indirect
Aug 26, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	5,626	$73.18	$411,711	Indirect
Aug 26, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	6,874	$72.74	$500,015	Indirect
Aug 20, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	9,419	$70.78	$666,677	Indirect
Aug 20, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	2,390	$71.88	$171,793	Indirect
Aug 20, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	691	$72.92	$50,388	Indirect
Aug 19, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	5,335	$72.86	$388,708	Indirect
Aug 19, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	7,165	$73.67	$527,846	Indirect
Jan 2, 2026	PTCT PTC THERAPEUTICS, INC.	Award(A)	8,000	-	$0	Direct
Dec 16, 2025	PTCT PTC THERAPEUTICS, INC.	Exercise(M)	24,000	$30.86	$740,640	Direct
Sep 4, 2025	HLNE Hamilton Lane INC	Other(J)	25,005	$0.00	$25	Direct
Feb 12, 2025	HLNE Hamilton Lane INC	Other(J)	100,000	$0.00	$100	Direct

1-25 of 26 transactions

About SCHMERTZLER MICHAEL

SCHMERTZLER MICHAEL (SEC CIK 0001288952) files insider reports with the SEC as Director of PTC THERAPEUTICS, INC. (PTCT) and Director of Hamilton Lane INC (HLNE).

Signal8 holds 12 ownership filings by SCHMERTZLER MICHAEL, all Form 4s, filed between Jan 7, 2025 and Oct 16, 2026. Those filings report 26 transactions, from Jan 3, 2025 to Oct 14, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on SCHMERTZLER MICHAEL's filings is in WARREN, NJ.

Recent filings by SCHMERTZLER MICHAEL

Oct 14, 2026: Open-market sales of PTCT shares (2 lines, Form 4, code S).
Oct 7, 2026: Open-market sales of PTCT shares (2 lines, Form 4, code S).
Sep 17, 2026: Open-market sales of PTCT shares (2 lines, Form 4, code S).
Sep 16, 2026: Open-market sales of PTCT shares (2 lines, Form 4, code S).
Sep 16, 2026: Grant or award of HLNE shares (Form 4, code A).

Other insiders filing for PTC THERAPEUTICS, INC. (PTCT)

Boulding Mark Elliott, EXEC. VP AND CLO
STEELE GLENN JR MD PHD, Director
Klein Matthew B., CHIEF EXECUTIVE OFFICER
Sollie-Zetlmayer Hege Elisabeth, Director
Gravier Pierre, CHIEF FINANCIAL OFFICER
Smith Mary L., Director

How to read Form 4 transaction codes