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Form 4 reporting owner · CIK 0001808968

Klein Matthew B.

CHIEF EXECUTIVE OFFICER

39Open-market trades
2Tickers
Avg 90d after buys
+1.55%Avg 90d after sales
Avg 180d after buys
−1.13%Avg 180d after sales

PTCT price and prints

PTC THERAPEUTICS, INC. 38 open-market prints by this insider, 1/7/20218/4/2026. Triangles mark only their Form 4 purchases and sales. Full PTCT chart

PTCT adjusted close▲ buy▼ sale
18.0735.9453.8171.6889.552026-08-04 sell Klein Matthew B.2026-05-14 sell Klein Matthew B.2026-04-21 sell Klein Matthew B.2026-03-12 sell Klein Matthew B.2026-02-18 sell Klein Matthew B.2026-01-08 sell Klein Matthew B.2026-01-07 sell Klein Matthew B.2026-01-06 sell Klein Matthew B.2025-12-30 sell Klein Matthew B.2025-12-02 sell Klein Matthew B.2025-08-05 sell Klein Matthew B.2025-04-22 sell Klein Matthew B.2025-02-20 sell Klein Matthew B.2025-02-19 sell Klein Matthew B.2025-01-08 sell Klein Matthew B.2025-01-07 sell Klein Matthew B.2024-12-31 sell Klein Matthew B.2024-04-19 sell Klein Matthew B.2024-04-17 sell Klein Matthew B.2024-01-09 sell Klein Matthew B.2024-01-08 sell Klein Matthew B.2024-01-05 sell Klein Matthew B.2023-04-18 sell Klein Matthew B.2023-01-11 sell Klein Matthew B.2023-01-10 sell Klein Matthew B.2023-01-09 sell Klein Matthew B.2022-04-19 sell Klein Matthew B.2022-01-07 sell Klein Matthew B.2021-04-20 sell Klein Matthew B.2021-04-19 sell Klein Matthew B.2021-01-15 sell Klein Matthew B.2021-01-08 sell Klein Matthew B.2021-01-07 sell Klein Matthew B.2020-12-172026-09-18

PTCT trades

Clear
DateForm 4TickerSideSharesValue90d180d
8/4/2026
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL10,292$705.7K+1.55%hist−1.13%hist
5/14/2026
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL7,221$527.7K+0.11%−1.13%hist
5/14/2026
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL679$49.6K+0.11%−1.13%hist
5/14/2026
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL2,100$153.5K+0.11%−1.13%hist
5/14/2026
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL2,572$186.4K+0.11%−1.13%hist
4/21/2026
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL2,850$202.1K−10.4%−1.13%hist
3/12/2026
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL2,662$170.6K−15.8%−8.60%
2/18/2026
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL7,371$511.3K−2.00%−5.73%
1/8/2026
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL2,514$192.2K+7.27%−16.1%
1/7/2026
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL3,016$233.7K+9.92%−10.6%
1/6/2026
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL5,149$396.2K+10.2%−11.4%
12/30/2025
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL8,089$619.9K+13.8%−7.06%
12/2/2025
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL3,428$271.1K+15.4%+5.98%
8/5/2025
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL10,739$555.6K−32.9%−46.5%
4/22/2025
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL2,804$136.7K+0.68%−41.9%
2/20/2025
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL3,895$195.2K+8.28%+1.57%
2/19/2025
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL3,897$195.2K+6.40%+1.24%
1/8/2025
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL2,402$106.9K+11.7%−6.53%
1/7/2025
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL2,142$97.1K+4.01%−7.55%
12/31/2024
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL8,279$373.9K−12.9%−8.20%
4/19/2024
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL3,361$83.7K−29.6%−44.9%
4/17/2024
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL1,307$32.9K−35.8%−55.6%
1/9/2024
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL5,443$157.9K+6.37%−10.5%
1/8/2024
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL2,237$64.1K+10.4%−5.80%
1/5/2024
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL10,107$274.4K+0.29%−11.1%
4/18/2023
Form 410b5-1
PTCTPTC THERAPEUTICS, INCCHIEF EXECUTIVE OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL1,211$63.0K+27.0%+62.2%
1/11/2023
PTCTPTC THERAPEUTICS, INCCHIEF OPERATING OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL2,244$99.5K−6.10%+11.9%
1/10/2023
PTCTPTC THERAPEUTICS, INCCHIEF OPERATING OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL2,273$97.6K−9.63%+9.22%
1/9/2023
PTCTPTC THERAPEUTICS, INCCHIEF OPERATING OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL731$30.5K−16.9%+3.20%
4/19/2022
PTCTPTC THERAPEUTICS, INCCHIEF OPERATING OFFICER
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL897$38.1K+0.28%−25.9%
1/7/2022
PTCTPTC THERAPEUTICS, INCChief Operating Officer
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL775$29.9K−12.9%−12.6%
4/20/2021
PTCTPTC THERAPEUTICS, INCChief Development Officer
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL197$9.4K+9.54%+19.3%
4/20/2021
PTCTPTC THERAPEUTICS, INCChief Development Officer
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL1,444$67.3K+9.54%+19.3%
4/19/2021
PTCTPTC THERAPEUTICS, INCChief Development Officer
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL859$41.4K+11.9%+21.4%
1/15/2021
PTCTPTC THERAPEUTICS, INCChief Development Officer
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL4,300$297.1K+29.6%+38.2%
1/8/2021
PTCTPTC THERAPEUTICS, INCChief Development Officer
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL1,500$105.5K+28.6%+34.8%
1/8/2021
PTCTPTC THERAPEUTICS, INCChief Development Officer
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL4,000$277.9K+28.6%+34.8%
1/7/2021
PTCTPTC THERAPEUTICS, INCChief Development Officer
PTC THERAPEUTICS, INC · Pharmaceutical PreparationsIndustryPharmaceutical PreparationsMkt cap (est.)$14.15BPrice$65.3752w high$89.5552w low$57.84
SELL3,886$268.1K+29.9%+37.1%

Chart uses split-adjusted closes from the first print through the latest available bar. Returns use the last close on or before the trade date and the first close on or after 90 and 180 calendar days. Sales are signed so a declining price is a positive result for the seller. Not investment advice.