undamentalytics Newsletter

Sarepta Therapeutics, Inc. insider trading

Every open-market purchase and sale by Sarepta Therapeutics, Inc.'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

No insider has bought shares on the open market in five years.

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.
Sarepta Therapeutics, Inc. insider open-market trades
DateInsiderTrade SharesPriceValue 1M after 3M after 6M after

From insiders' Form 4 filings with the SEC: open-market purchases and sales only (awards, option exercises and shares withheld for tax are excluded), combined to one line per insider per day. "Plan" marks trades the filing says were made under a pre-set Rule 10b5-1 trading plan, which are scheduled in advance. Price changes run from the close on the trade date; hover a figure for the change relative to the S&P 500. Past moves don't predict future ones.

Does following Sarepta Therapeutics, Inc.’s insiders pay?

From March 8, 2010 to March 13, 2026, 22 insiders reported 44 open-market purchases and 41 sales not made under a pre-set plan in Sarepta Therapeutics, Inc. Twelve months after each purchase was reported, the shares were +13.3% against the S&P 500 on average (median +7.0%), over 31 purchases with a full year of prices; 55% beat the index. After sales, the shares moved −37.8% against the index over 12 months (a negative figure means selling was the right call). Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on September 12, 2012 into $18,113 by November 2, 2026, +4.3% a year. It held shares 71% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $37,949 (+9.9% a year), and held throughout $66,961 (+14.4%).

$0$50.0k$100k 20122014201620182020202220242026 $67.0k$37.9k$18.1k
Copying Sarepta Therapeutics, Inc.'s insidersS&P 500, same days investedS&P 500, held throughout $10,000 copying every open-market purchase by Sarepta Therapeutics, Inc.'s insiders from September 12, 2012, before costs and taxes, marked weekly. Uninvested money earns the Treasury bill rate; the portfolio held shares 71% of the time.
Sarepta Therapeutics, Inc.: each insider's record
InsiderRolePurchases12 months after their purchasesBeat the S&P 500Sales12 months after their salesLatest report
Chase Anthony R Director 8 −35.8% (3) 0% 3 +5.2% (3) November 14, 2013
Hudson Leslie Former CEO 0 — — 10 — August 2, 2010
Wigzell Hans Lennart Rudolf Director 0 — — 10 −27.9% (10) December 16, 2024
Barry Richard Director 6 +26.2% (6) 100% 2 −85.2% (2) November 6, 2023
Behrens M Kathleen Director 5 +48.6% (4) 75% 2 −31.8% (2) March 10, 2021
Ingram Douglas S President & CEO 7 +39.4% (7) 71% 0 — November 6, 2023
Chambers Michael Andrew Director 6 −23.4% (6) 0% 0 — August 20, 2024
Price Ben Gil Director 6 +0.8% (2) 50% 0 — March 16, 2016
Estepan Ian Michael Chief Operating Officer 0 — — 3 −67.3% (2) December 18, 2025
Mayo Stephen Director 0 — — 3 −33.8% (2) March 13, 2026
Boor Kathryn Jean Director 0 — — 2 −64.6% (2) December 6, 2024
Christopher Nishan Garabedian President and CEO 2 — — 0 — December 16, 2011
Aphale Jayant SVP Technical Operations 0 — — 1 −9.0% (1) November 14, 2013
Arif Bilal Chief Tech Ops Officer 0 — — 1 −28.5% (1) March 5, 2024
Bonney Michael W Director 1 +27.0% (1) 100% 0 — September 9, 2019
Boyle J David II CEO 1 — — 0 — August 27, 2010
Brown Ryan Edward EVP, General Counsel 0 — — 1 −28.5% (1) March 5, 2024
Eastbourne Capital Management Llc/ca 10% owner 0 — — 1 — March 8, 2010
Hodgman John Director 0 — — 1 −60.3% (1) September 5, 2013
Mahatme Sandesh Senior Vice President, CFO 1 −57.4% (1) 0% 0 — August 20, 2013
Nicaise Claude Director 0 — — 1 −103.3% (1) March 13, 2025
Rodino-Klapac Louise Head of R&D, CSO 1 +61.1% (1) 100% 0 — November 29, 2021

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

When several insiders traded Sarepta Therapeutics, Inc.

Months when 2 or more insiders became net buyers, or 3 or more net sellers, of Sarepta Therapeutics, Inc. in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After the 5 buying crowds with six months of prices, it averaged +48.8% against the index. After 1 selling crowd, −13.7%. One company's history is too short to judge by; the test across every company is the better guide.

MonthCrowd3 months on, vs S&P 5006 months12 months
March 28, 20246 selling+17.7%−13.7%−60.8%
November 30, 20232 buying+39.7%+36.4%+23.4%
November 30, 20212 buying+2.0%−0.7%+61.1%
August 30, 20192 buying+16.8%+25.1%+40.6%
March 31, 20163 buying−5.5%+212.4%+31.3%
August 30, 20133 buying−56.5%−29.0%−58.9%

Colours show whether the crowd was right: green when buyers were followed by a rise above the index, or sellers by a fall below it. Total returns from the month end; past patterns are not a forecast.

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