Transaction · 0001578852-26-000008

Boulding Mark Elliott

Boulding Mark Elliott, EVC, reported an open-market or private sale at PTC THERAPEUTICS, INC. involving 3081.000000 shares for an estimated $213698.16. Reported holdings after the transaction were 108231.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SEVC
PTCTPTC THERAPEUTICS, INC.
Filing timeFeb 19
Trade dateFeb 18, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$69.90
Pre-filing
1mo ago +3.7%1w ago +1.5%1d ago -1.0%
Returns since
7d -2.6%30d -6.6%90d +1.6%180d +3.9%1y +4.0%

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 2026-02-19Filed 197 days ago · 30 days of pre-filing context shaded
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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
0001578852-26-000008
Common Stock
Transaction date
Feb 18, 2026
Filed Feb 19, 2026, 12:00 AM · 1d delay
Shares
3.08k sh
$6.93k per share
Estimated value
-$21.3M
Computed from shares × price
Holdings after
108k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership Large Sale Repeat Seller 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 December 4, 2024.

  2. F2

    This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $68.84 to $69.80 per share. The Reporting Person hereby undertakes, u…

  3. F3

    Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting o…

  4. F4

    Currently exercisable.

Original filing · 0001578852-26-000008
Related transactions

0 other filings

Same reporting owner
Recent company activity

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