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ACSL's ¥5.17bn Overseas Share Sale Forces Exercise-Price Cuts on Eight Warrant Series

ACSL raised about ¥5.17bn selling 4.18 million new shares to non-resident investors at ¥1,237.25 each, and because that price undercut the reference level in its stock-option terms, exercise prices on eight warrant series approved between 2017 and 2026 all move down from September 9.

Sep 8, 20262 min readACSL Ltd.6232
Illustration of exercise-price tickets marked down beside a rising stack of share certificates, with a faint drone rotor motif in the background.

ACSL Ltd., the drone maker listed on the Tokyo Stock Exchange's Growth market, has finished a new share sale aimed entirely at investors outside Japan, and the pricing has a knock-on effect nobody holding the company's warrants can ignore.

The placement, resolved by the board on August 24 and priced the next day, sold 4,180,000 new shares at ¥1,237.25 each, raising total proceeds of ¥5.17bn. Payment was completed by the time ACSL filed its disclosure on September 8, lifting shares outstanding from 19,572,474 to 23,752,474, an increase of 4,180,000 shares before accounting for any warrant exercises since August 21.

That payment price sits below the market-value threshold written into the terms of ACSL's outstanding stock acquisition rights, the company said, which triggers a mechanical downward adjustment rather than a discretionary one. Eight separate warrant series, some dating back to 2017, now carry lower exercise prices effective September 9.

ACSL warrant exercise-price adjustments, effective September 9, 2026
Adjustment triggered by the overseas share offering priced below the reference market value in ACSL's warrant issuance terms.
Warrant seriesBoard resolution dateOld exercise priceNew exercise price
2017 No. 2July 7, 2017¥163¥156
2018 No. 1January 17, 2018¥207¥198
2021 No. 2June 28, 2021¥2,566¥2,438
2022 No. 2June 10, 2022¥1,897¥1,803
2023 No. 3June 14, 2023¥1,304¥1,239
2024 No. 2June 14, 2024¥879¥836
2025 No. 1June 12, 2025¥1,419¥1,349
2026 No. 2April 1, 2026¥1,704¥1,619

The offering was sold only to non-residents of Japan outside the country, so it required no filing or prospectus under the Financial Instruments and Exchange Act, and the underlying shares are not registered under the 1933 US Securities Act, with no US public offering planned. For holders of the affected warrants, the practical upshot is straightforward: converting into ACSL stock now costs less than it did a week ago, across every vintage from 2017 through the series approved as recently as April this year.