Transaction · 0001578852-26-000024

Boulding Mark Elliott

Boulding Mark Elliott, EVC, reported an open-market or private sale at PTC THERAPEUTICS, INC. involving 1638.000000 shares for an estimated $104881.14. Reported holdings after the transaction were 105272.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SEVC
PTCTPTC THERAPEUTICS, INC.
Filing timeOct 07
Trade dateOct 05, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded1.53%Shares sold ÷ (holdings after + shares sold). Estimated position before: 106,910 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$63.23
Pre-filing
1mo ago +9.6%1w ago +4.3%1d ago +0.4%
Returns since
7d30d90d180d1y

PTCT price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
PTCT since 2026-10-07Filed 2 days ago · 30 days of pre-filing context shaded
Loading…
Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001578852-26-000024
Common Stock
Transaction date
Oct 05, 2026
Filed Oct 07, 2026, 09:20 PM · 2d delay
Shares
1.63k sh
$64.03 per share
Estimated value
-$104k
Computed from shares × price
Holdings after
105k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling Direct Ownership 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

EXEC. VP AND CLO

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    This transaction was effected pursuant to a written Rule 10b5-1 plan adopted by the Reporting Person on September 10, 2025.

  2. F2

    This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $64.00 to $64.34 per share. The Reporting Person hereby undertakes, u…

  3. F3

    This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $64.00 to $64.90 per share. The Reporting Person hereby undertakes, u…

  4. F4

    This option was granted on January 5, 2023, and vests over four years, with 25% of the shares underlying the option vesting on January 5, 2024, and an additional 6.25% of the original number of shares…

Original filing · 0001578852-26-000024
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

PTCT