ACK Natural
Boston, US · Founded 2019 · Massachusetts LLC
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ACK Natural is a cannabis dispensary and medical facility on Nantucket Island that cultivates and processes flower, pre-rolls, vapes, edibles, concentrates and THC seltzers in an on-site grow beneath the shop, and also carries products from off-island growers. It offers online ordering with in-store pickup for both recreational and medical customers.
Founders & leadership
ACK Natural was founded in 2019 by Doug Leighton and Mike Sullivan.

Reported raises · per SEC filings
Form D private placements$6.7M disclosed across 2 rounds · 2020–2022
▶$50KraisedApr 2022 · 1 investors · Other Health CareRule 506(b)
- Douglas LeightonDirector
- Michael SullivanDirector
- Zachary HarveyDirector
- Offering amount
- $2.1M
- Amount sold
- $50K
- First sale
- Apr 2022
- Incorporated
- Limited Liability Company, Massachusetts, 2019
- Federal exemptions
- 06b
▶$6.6MraisedApr 2021 · 47 investors · Other Health CareRule 506(b)
- Zachary HarveyDirector
- Douglas LeightonDirector
- Michael SullivanDirector
- Offering amount
- $6.6M
- Amount sold
- $6.6M
- Minimum investment
- $50K
- First sale
- Dec 2020
- Incorporated
- Limited Liability Company, Massachusetts, 2019
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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Frequently asked questions
- What does ACK Natural do?
- ACK Natural is a cannabis dispensary and medical facility on Nantucket Island that cultivates and processes flower, pre-rolls, vapes, edibles, concentrates and THC seltzers in an on-site grow beneath the shop, and also carries products from off-island growers. It offers online ordering with in-store pickup for both recreational and medical customers.
- Who founded ACK Natural?
- ACK Natural was founded by Doug Leighton, Mike Sullivan in 2019.
- How much funding has ACK Natural raised?
- ACK Natural has disclosed $6.7M raised across 2 rounds.
- Where is ACK Natural headquartered?
- ACK Natural is headquartered in Boston, US.
