Insider Transactions

What Dyne Therapeutics, Inc.'s executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.

Insider trades

	3 months	12 months
Open-market buys	1	8
Sells	15	122
Total trades	17	136

Shares traded

	3 months	12 months
Acquired	10,500	416,500
Disposed	2,607,271	7,665,588
Net activity	−2,596,771	−7,249,088

See the story behind these numbers

View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.

Open-market buyer Disclosed 10b5-1 Heavy discretionary Sign up free

All transactions

All Buys Sells

Insider	Relation	Date	Transaction	Shares	Price	Value	Shares held
Kerr Douglas	Head of R&D and CMO	Oct 20	Grant / award · A	+8,000	—	—	170,564
Posner Brian S	Director	Oct 02	Open-market buy · P	+2,500	$16.00	+$40K	27,000
Kerr Douglas	Chief Medical Officer	Sep 08	Open-market sale · S	−1,290	$18.88	−$24.4K	162,564
Cox John	CEO & President	Sep 08	Open-market sale · S	−5,658	$18.88	−$107K	357,507
Friedl-Naderer Johanna	Chief Commercial Officer	Sep 08	Open-market sale · S	−185	$18.88	−$3.49K	152,897
Kerr Douglas	Chief Medical Officer	Sep 04	Open-market sale · S	−3,745	$24.35	−$91.2K	163,854
Friedl-Naderer Johanna	Chief Commercial Officer	Sep 04	Open-market sale · S	−900	$24.35	−$21.9K	153,082
Rhodes Jason P	Director	Aug 14	Open-market sale · S	−322,465	$25.00	−$8.06M	428,946
Rhodes Jason P	Director	Aug 14	Open-market sale · S	−478,377	$25.00	−$12M	567,358
Rhodes Jason P	Director	Aug 14	Open-market sale · S	−1,359,674	$25.00	−$34M	2,441,454
Friedl-Naderer Johanna	Chief Commercial Officer	Aug 13	Open-market sale · S	−226	$26.28	−$5.94K	153,982
Lucera Erick	Chief Financial Officer	Aug 13	Open-market sale · S	−1,797	$26.28	−$47.2K	119,766
Cox John	CEO & President	Aug 13	Open-market sale · S	−4,986	$26.28	−$131K	363,165
Kerr Douglas	Chief Medical Officer	Aug 13	Open-market sale · S	−1,556	$26.28	−$40.9K	167,599
Rhodes Jason P	Director	Aug 13	Open-market sale · S	−63,643	$26.20	−$1.67M	751,411
Rhodes Jason P	Director	Aug 13	Open-market sale · S	−94,415	$26.20	−$2.47M	1,045,735
Rhodes Jason P	Director	Aug 13	Open-market sale · S	−268,354	$26.20	−$7.03M	3,801,128
Kersten Dirk	Director	Jul 27	Open-market sale · S	−5,388	$26.04	−$140K	3,586,796
Kersten Dirk	Director	Jul 27	Open-market sale · S	−256,072	$25.50	−$6.53M	3,592,184
Rhodes Jason P	Director	Jul 07	Open-market sale · S	−5,000	$23.61	−$118K	2,962

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