Neil Gregory Almstead

CIK: 0001578850

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)76 (70.4%)

Position reduction

Option Exercises (M)28 (25.9%)

Derivative conversions

Awards (A)4 (3.7%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (1)

PTCT

PTC THERAPEUTICS, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (108 total)

PTCT
PTC THERAPEUTICS, INC.
Jul 9, 2026
Exercise(M)
Direct
2.5K shares at avg. $46.54$115K
PTCT
PTC THERAPEUTICS, INC.
Jul 9, 2026
Sale(S)
Direct
2.5K shares at avg. $90.25$222K
PTCT
PTC THERAPEUTICS, INC.
Jul 7, 2026
Sale(S)
Direct
9.3K shares at avg. $89.44$831K
PTCT
PTC THERAPEUTICS, INC.
Jul 7, 2026
Sale(S)
Direct
4K shares at avg. $87.17$345K
PTCT
PTC THERAPEUTICS, INC.
Jul 7, 2026
Exercise(M)
Direct
24.6K shares at avg. $39.42$970K
PTCT
PTC THERAPEUTICS, INC.
Jul 7, 2026
Sale(S)
Direct
11.4K shares at avg. $89.03$1.0M
PTCT
PTC THERAPEUTICS, INC.
Jul 6, 2026
Exercise(M)
Direct
811 shares at avg. $38.10$31K
PTCT
PTC THERAPEUTICS, INC.
Jul 6, 2026
Sale(S)
Direct
8.8K shares at avg. $85.35$750K
PTCT
PTC THERAPEUTICS, INC.
Jul 6, 2026
Exercise(M)
Direct
18.9K shares at avg. $38.10$719K
PTCT
PTC THERAPEUTICS, INC.
Jul 6, 2026
Sale(S)
Direct
10.1K shares at avg. $86.32$871K
PTCT
PTC THERAPEUTICS, INC.
Jul 6, 2026
Sale(S)
Direct
2.5K shares at avg. $87.03$215K
PTCT
PTC THERAPEUTICS, INC.
Jul 6, 2026
Sale(S)
Direct
426 shares at avg. $85.28$36K
PTCT
PTC THERAPEUTICS, INC.
Jul 6, 2026
Sale(S)
Direct
385 shares at avg. $86.34$33K
PTCT
PTC THERAPEUTICS, INC.
Jul 6, 2026
Exercise(M)
Direct
2.5K shares at avg. $39.42$98K
PTCT
PTC THERAPEUTICS, INC.
Jun 26, 2026
Exercise(M)
Direct
412 shares at avg. $38.10$16K
PTCT
PTC THERAPEUTICS, INC.
Jun 26, 2026
Exercise(M)
Direct
7.7K shares at avg. $38.10$294K
PTCT
PTC THERAPEUTICS, INC.
Jun 26, 2026
Sale(S)
Direct
412 shares at avg. $85.23$35K
PTCT
PTC THERAPEUTICS, INC.
Jun 26, 2026
Sale(S)
Direct
7.7K shares at avg. $85.26$658K
PTCT
PTC THERAPEUTICS, INC.
Jun 25, 2026
Exercise(M)
Direct
100 shares at avg. $39.42$4K
PTCT
PTC THERAPEUTICS, INC.
Jun 25, 2026
Sale(S)
Direct
100 shares at avg. $87.00$9K
PTCT
PTC THERAPEUTICS, INC.
Jun 25, 2026
Sale(S)
Direct
11.3K shares at avg. $86.51$981K
PTCT
PTC THERAPEUTICS, INC.
Jun 25, 2026
Exercise(M)
Direct
19.9K shares at avg. $38.10$757K
PTCT
PTC THERAPEUTICS, INC.
Jun 25, 2026
Sale(S)
Direct
8.5K shares at avg. $85.26$727K
PTCT
PTC THERAPEUTICS, INC.
Jun 25, 2026
Sale(S)
Direct
582 shares at avg. $85.24$50K
PTCT
PTC THERAPEUTICS, INC.
Jun 25, 2026
Exercise(M)
Direct
1K shares at avg. $38.10$38K

		Type	Shares	Price		Ownership
Jul 9, 2026	PTCT PTC THERAPEUTICS, INC.	Exercise(M)	2,464	$46.54	$114,675	Direct
Jul 9, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	2,464	$90.25	$222,376	Direct
Jul 7, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	9,288	$89.44	$830,719	Direct
Jul 7, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	3,956	$87.17	$344,845	Direct
Jul 7, 2026	PTCT PTC THERAPEUTICS, INC.	Exercise(M)	24,613	$39.42	$970,244	Direct
Jul 7, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	11,369	$89.03	$1,012,182	Direct
Jul 6, 2026	PTCT PTC THERAPEUTICS, INC.	Exercise(M)	811	$38.10	$30,899	Direct
Jul 6, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	8,786	$85.35	$749,885	Direct
Jul 6, 2026	PTCT PTC THERAPEUTICS, INC.	Exercise(M)	18,876	$38.10	$719,176	Direct
Jul 6, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	10,090	$86.32	$870,969	Direct
Jul 6, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	2,474	$87.03	$215,312	Direct
Jul 6, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	426	$85.28	$36,329	Direct
Jul 6, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	385	$86.34	$33,241	Direct
Jul 6, 2026	PTCT PTC THERAPEUTICS, INC.	Exercise(M)	2,474	$39.42	$97,525	Direct
Jun 26, 2026	PTCT PTC THERAPEUTICS, INC.	Exercise(M)	412	$38.10	$15,697	Direct
Jun 26, 2026	PTCT PTC THERAPEUTICS, INC.	Exercise(M)	7,718	$38.10	$294,056	Direct
Jun 26, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	412	$85.23	$35,115	Direct
Jun 26, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	7,718	$85.26	$658,037	Direct
Jun 25, 2026	PTCT PTC THERAPEUTICS, INC.	Exercise(M)	100	$39.42	$3,942	Direct
Jun 25, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	100	$87.00	$8,700	Direct
Jun 25, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	11,337	$86.51	$980,764	Direct
Jun 25, 2026	PTCT PTC THERAPEUTICS, INC.	Exercise(M)	19,859	$38.10	$756,628	Direct
Jun 25, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	8,522	$85.26	$726,586	Direct
Jun 25, 2026	PTCT PTC THERAPEUTICS, INC.	Sale(S)	582	$85.24	$49,610	Direct
Jun 25, 2026	PTCT PTC THERAPEUTICS, INC.	Exercise(M)	1,001	$38.10	$38,138	Direct

1-25 of 108 transactions

About Almstead Neil Gregory

Almstead Neil Gregory (SEC CIK 0001578850) files insider reports with the SEC as CHIEF TECHNICAL OPS OFFICER of PTC THERAPEUTICS, INC. (PTCT).

Signal8 holds 18 ownership filings by Almstead Neil Gregory, all Form 4s, filed between Dec 4, 2024 and Jul 13, 2026. Those filings report 108 transactions, from Dec 2, 2024 to Jul 9, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Almstead Neil Gregory's filings is in WARREN, NJ.

Recent filings by Almstead Neil Gregory

Jul 9, 2026: Option exercise of PTCT shares (Form 4, code M).
Jul 9, 2026: Open-market sale of PTCT shares (Form 4, code S).
Jul 7, 2026: Open-market sales of PTCT shares (2 lines, Form 4, code S).
Jul 7, 2026: Option exercise of PTCT shares (Form 4, code M).
Jul 7, 2026: Open-market sale of PTCT shares (Form 4, code S).

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

SCHMERTZLER MICHAEL, Director
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

How to read Form 4 transaction codes