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CIK 0001678660 · Non-accelerated filer<br>Smaller reporting company

Prelude Therapeutics Inc

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Ticker
PRLD
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
811384762
Phone
(302) 467-1280
Business address
175 INNOVATION BOULEVARD, WILMINGTON, DE, 19805
Former names
Prelude Therapeutics Inc.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 62 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-06-09 Sandor Victor Director Grant or award · Director Stock Option (Right to Buy) +38,000 38,000
2026-06-09 Dorton Katina Director Grant or award · Director Stock Option (Right to Buy) +38,000 38,000
2026-06-09 Bonita David P Director Grant or award · Director Stock Option (Right to Buy) +38,000 38,000
2026-06-09 Babler Martin Director Grant or award · Director Stock Option (Right to Buy) +38,000 38,000
2026-06-09 FRIEDMAN PAUL A Director Grant or award · Director Stock Option (Right to Buy) +38,000 38,000
2026-06-09 BAKER BROS. ADVISORS LP Director Grant or award · Non-Qualified Stock Option (right to buy) +38,000 38,000
2026-06-09 BAKER BROS. ADVISORS LP Director Grant or award · Non-Qualified Stock Option (right to buy) +38,000 38,000
2026-05-01 Morris Charles Q Chief Medical Officer Grant or award · Employee Stock Option (right to buy) +450,000 $4.70 $2.1M 450,000
2026-04-27 RA CAPITAL MANAGEMENT, L.P. 10% owner Other disposition −1,407,000 6,475,882
2026-04-27 RA CAPITAL MANAGEMENT, L.P. 10% owner Other acquisition · Pre-Funded Warrants (Right to Buy) +1,407,000 1,407,000
2026-04-21 Bonita David P Director Purchase +1,689,189 $4.44 $7.5M 11,808,945
2026-04-21 Bonita David P Director Purchase +1,126,126 $4.44 $5.0M 1,126,126
2026-04-21 ORBIMED ADVISORS LLC Director Purchase +1,689,189 $4.44 $7.5M 11,808,945
2026-04-21 ORBIMED ADVISORS LLC Director Purchase +1,126,126 $4.44 $5.0M 1,126,126
2026-04-21 BAKER BROS. ADVISORS LP Director Purchase · Warrants to purchase Common Stock +114,601 $4.44 $509K 1,678,273
2026-04-21 BAKER BROS. ADVISORS LP Director Purchase · Warrants to purchase Common Stock +2,137,651 $4.44 $9.5M 20,105,994
2026-02-04 Combs Andrew Chief Chemistry Officer Grant or award · Employee Stock Option (right to buy) +230,000 230,000
2026-02-04 Vaddi Krishna CEO Grant or award · Employee Stock Option (right to buy) +837,000 837,000
2026-02-04 Scherle Peggy Chief Scientific Officer Grant or award · Employee Stock Option (right to buy) +230,000 230,000
2026-02-04 Lim Bryant David CLO, CFO, Corp Sec. Grant or award · Employee Stock Option (right to buy) +275,000 275,000

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