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PTC THERAPEUTICS INC (PTCT) Stock Ownership and Short Interest

USA - Nasdaq - NASDAQ:PTCT - US69366J2006 - Common Stock

76.74 USD
+0.78 (+1.03%)
Last: 1/2/2026, 5:58:21 PM
76.74 USD
0 (0%)
After Hours: 1/2/2026, 5:58:21 PM
PTCT Ownership Chart.PTCT Ownership Chart: showing Insider, Institutional ownership and shares available to the public.PTCT Ownership.InsiderInstitutional



Shares Outstanding80.29M
Float78.27M
Float Short Interest Percentage14.62%
Owners (insider)0.68%
Owners (institutional)105.01%
Owners (insider) change5.68%
Owners (institutional) change-0.57%
PTCT Institutional Ownership HistoryPTCT Institutional Ownership HistoryPTCT Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 20M 40M 60M 80M
PTCT Historical Insider Transactions ChartPTCT Historical Insider Buy and Sell Transactions ChartPTCT Historical Insider Transactions Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 0 100K -100K
Date Name Type Shares Price Amount
Dec 19, 2025 Pauwels Eric Option Excercise 20508 65.15 $ 1,336,185.72
Dec 19, 2025 Pauwels Eric Open Market Sale 20508 77.26 $ 1,584,349.85
Dec 17, 2025 Pauwels Eric Option Excercise 43492 62.10 $ 2,701,014.28
Dec 17, 2025 Pauwels Eric Open Market Sale 43492 75.40 $ 3,279,275.05
Dec 16, 2025 SCHMERTZLER MICHAEL Option Excercise 24000 30.86 $ 740,640.00
Dec 3, 2025 Reeve Emma Option Excercise 733 46.54 $ 34,113.82
Dec 3, 2025 Reeve Emma Open Market Sale 733 78.62 $ 57,628.46
Dec 2, 2025 Klein Matthew B. Open Market Sale 3428 79.07 $ 271,051.96
Dec 1, 2025 Klein Matthew B. Grant 15625 0.00 $ 0.00
Nov 25, 2025 Almstead Neil Gregory Option Excercise 71928 30.75 $ 2,211,678.71
Nov 25, 2025 Almstead Neil Gregory Open Market Sale 71928 83.44 $ 6,001,932.05
Nov 24, 2025 Jacobson Allan Steven Option Excercise 26000 14.88 $ 386,900.00
Nov 24, 2025 Jacobson Allan Steven Open Market Sale 26000 82.00 $ 2,132,018.42
Nov 24, 2025 Almstead Neil Gregory Option Excercise 35572 30.23 $ 1,075,296.29
Nov 24, 2025 Almstead Neil Gregory Open Market Sale 35572 80.18 $ 2,852,030.56
Nov 21, 2025 Reeve Emma Option Excercise 10000 51.16 $ 511,600.00
Nov 21, 2025 Reeve Emma Open Market Sale 10000 79.50 $ 795,000.00
Nov 20, 2025 Okey Stephanie Other Disposition 867 0.00 $ 0.00
Nov 17, 2025 Boulding Mark Elliott Option Excercise 2812 25.69 $ 72,240.28
Nov 17, 2025 Boulding Mark Elliott Open Market Sale 2812 75.99 $ 213,686.89
Nov 12, 2025 Reeve Emma Option Excercise 7333 46.54 $ 341,277.82
Nov 12, 2025 Reeve Emma Open Market Sale 7333 74.50 $ 546,308.50
Oct 30, 2025 Reeve Emma Open Market Sale 15666 69.50 $ 1,088,787.00
Oct 30, 2025 Reeve Emma Option Excercise 12000 38.10 $ 457,200.00
Oct 7, 2025 Boulding Mark Elliott Option Excercise 3375 38.10 $ 128,587.50
Oct 7, 2025 Boulding Mark Elliott Open Market Sale 3375 63.43 $ 214,091.17
Oct 3, 2025 Reeve Emma Option Excercise 25562 35.73 $ 913,333.74
Oct 3, 2025 Reeve Emma Open Market Sale 25562 65.96 $ 1,686,023.74
Oct 3, 2025 Jacobson Allan Steven Option Excercise 12000 30.86 $ 370,320.00
Oct 3, 2025 Jacobson Allan Steven Open Market Sale 12000 65.00 $ 780,000.00
Oct 3, 2025 Boulding Mark Elliott Option Excercise 24921 39.42 $ 982,385.82
Oct 3, 2025 Boulding Mark Elliott Open Market Sale 24921 65.75 $ 1,638,548.63
Oct 3, 2025 Almstead Neil Gregory Option Excercise 55000 30.86 $ 1,697,300.00
Oct 3, 2025 Almstead Neil Gregory Open Market Sale 55000 66.05 $ 3,632,976.72
Sep 11, 2025 Boulding Mark Elliott Option Excercise 47249 38.10 $ 1,800,186.90
Sep 11, 2025 Boulding Mark Elliott Open Market Sale 47249 61.18 $ 2,890,586.51
Sep 11, 2025 Reeve Emma Open Market Sale 15705 59.50 $ 934,447.50
Sep 11, 2025 Reeve Emma Option Excercise 10837 26.30 $ 285,048.31
Sep 9, 2025 SOUTHWELL DAVID P Option Excercise 12000 30.86 $ 370,320.00
Sep 9, 2025 SOUTHWELL DAVID P Open Market Sale 12000 58.34 $ 700,080.00
Sep 8, 2025 Pauwels Eric Option Excercise 39850 22.74 $ 906,227.19
Sep 8, 2025 Pauwels Eric Open Market Sale 39850 56.92 $ 2,268,374.13
Aug 28, 2025 Jacobson Allan Steven Open Market Sale 1667 50.15 $ 83,600.05
Aug 15, 2025 Boulding Mark Elliott Option Excercise 2813 25.69 $ 72,265.97
Aug 15, 2025 Boulding Mark Elliott Open Market Sale 2813 48.58 $ 136,655.54
Aug 5, 2025 Klein Matthew B. Open Market Sale 10739 51.74 $ 555,635.86
Aug 1, 2025 Klein Matthew B. Grant 75000 0.00 $ 0.00
Jul 15, 2025 Gravier Pierre Open Market Sale 2516 49.46 $ 124,441.36
May 15, 2025 Boulding Mark Elliott Option Excercise 2812 25.69 $ 72,240.28
May 15, 2025 Boulding Mark Elliott Open Market Sale 2812 46.13 $ 129,716.88
Apr 22, 2025 Klein Matthew B. Open Market Sale 2804 48.74 $ 136,655.74
Apr 2, 2025 Golden Lee Scott Open Market Sale 897 46.95 $ 42,114.15
Mar 14, 2025 Pauwels Eric Open Market Sale 11220 56.16 $ 630,104.40
Mar 13, 2025 Okey Stephanie Open Market Sale 5000 54.00 $ 270,000.00
Mar 12, 2025 Boulding Mark Elliott Option Excercise 15521 33.02 $ 512,503.42
Mar 12, 2025 Boulding Mark Elliott Open Market Sale 15521 53.30 $ 827,232.91
Mar 10, 2025 Boulding Mark Elliott Option Excercise 75420 31.93 $ 2,407,913.23
Mar 10, 2025 Boulding Mark Elliott Open Market Sale 75420 53.08 $ 4,003,304.97
Mar 4, 2025 Jacobson Allan Steven Open Market Sale 1230 51.52 $ 63,369.60
Feb 19, 2025 Utter Christine Marie Open Market Sale 1757 50.11 $ 88,043.26
Feb 19, 2025 Gravier Pierre Open Market Sale 2335 50.11 $ 117,006.84
Feb 19, 2025 Pauwels Eric Open Market Sale 2945 50.11 $ 147,576.60
Feb 19, 2025 Klein Matthew B. Open Market Sale 7792 50.11 $ 390,457.09
Feb 19, 2025 Golden Lee Scott Open Market Sale 1757 50.11 $ 88,045.61
Feb 19, 2025 Boulding Mark Elliott Open Market Sale 2947 50.11 $ 147,678.10
Feb 19, 2025 Almstead Neil Gregory Open Market Sale 2946 50.11 $ 147,627.95
Jan 7, 2025 Utter Christine Marie Open Market Sale 2953 44.87 $ 132,492.94
Jan 7, 2025 Pauwels Eric Open Market Sale 3735 44.86 $ 167,550.66
Jan 7, 2025 Klein Matthew B. Open Market Sale 4544 44.90 $ 204,007.28
Jan 7, 2025 Golden Lee Scott Open Market Sale 2008 44.84 $ 90,036.40
Jan 7, 2025 Boulding Mark Elliott Open Market Sale 3541 44.87 $ 158,870.62
Jan 7, 2025 Almstead Neil Gregory Open Market Sale 2979 44.87 $ 133,674.30