rotation.to
Following this device: dark.
Free account
rotation.to
Appearance
Following this device: dark.
Drag a card by its title · ⚙ to size, swap or remove

Who

Ken Takanashi

Director

Company insider

Files Form 4 as: Director and 10% owner, Wave Life Sciences; Director and 10% owner, Satsuma Pharmaceuticals.

In numbers

Trades disclosed
38
Buys
3
Sells
2
Bought
$25.6M
Sold
$89K
Companies
2
Companies where not an officer
2
First trade
14 Aug 2015
Last trade
5 Oct 2026
Last filed
7 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
WVE Wave Life SciencesDirector, 10% owner · Biotechnology · last 5 Oct 20261 buy · 2 sells
Satsuma PharmaceuticalsDirector, 10% owner · last 8 Jun 20232 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
5 Oct 2026filed 7 Oct 2026WVE Wave Life SciencesBiotechnologySEC FORM 4 Code A—10,700 at $0.00filing
5 Oct 2026filed 7 Oct 2026WVE Wave Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code A—64,000 at $0.00filing
11 Aug 2026filed 13 Aug 2026WVE Wave Life SciencesBiotechnologySEC FORM 4 Sold$23K3,864 at $6.01filing
11 Aug 2026filed 13 Aug 2026WVE Wave Life SciencesBiotechnologySEC FORM 4 Sold$23K3,864 at $6.01filing
23 Mar 2026filed 26 Mar 2026WVE Wave Life SciencesBiotechnologySEC FORM 4 Code C—3,901,348 at $0.00filing
23 Mar 2026filed 26 Mar 2026WVE Wave Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code C—3,901,348 at $0.00filing
23 Mar 2026filed 26 Mar 2026WVE Wave Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code C—3,901,348 at $0.00filing
23 Mar 2026filed 26 Mar 2026WVE Wave Life SciencesBiotechnologySEC FORM 4 Code C—3,901,348 at $0.00filing
11 Aug 2025filed 13 Aug 2025WVE Wave Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code A—76,200 at $0.00filing
11 Aug 2025filed 13 Aug 2025WVE Wave Life SciencesBiotechnologySEC FORM 4 Code A—12,700 at $0.00filing
5 Aug 2025filed 7 Aug 2025WVE Wave Life SciencesBiotechnologySEC FORM 4 Sold$43K4,872 at $8.75filing
12 Aug 2024filed 14 Aug 2024WVE Wave Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code A—32,230 at $0.00filing
12 Aug 2024filed 14 Aug 2024WVE Wave Life SciencesBiotechnologySEC FORM 4 Code A—16,115 at $0.00filing
7 Aug 2023filed 9 Aug 2023WVE Wave Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code A—45,000 at $0.00filing
8 Jun 2023filed 8 Jun 2023Satsuma Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—10,000 at $0.00filing
8 Jun 2023filed 8 Jun 2023Satsuma Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—20,000 at $0.00filing
8 Jun 2023filed 8 Jun 2023Satsuma Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—30,000 at $0.00filing
6 Jun 2023filed 8 Jun 2023Satsuma PharmaceuticalsSEC FORM 4 Bought$20.1M22,053,581 at $0.91filing
15 Aug 2022filed 17 Aug 2022WVE Wave Life Sciencesoption or derivative · BiotechnologySEC FORM 4 Code A—21,000 at $0.00filing
3 Jun 2022filed 9 Dec 2022Satsuma Pharmaceuticalsoption or derivativeSEC FORM 4 Code A—30,000 at $0.00filing

Sectors

Health Care3
Not placed2

Buys in green, sells in red, by the company’s sector.

Related people

Aik Na TanDirector · Director at Wave Life Sciences, filing Form 4 there in the last year
Mark CorriganDirector · Director at Wave Life Sciences, filing Form 4 there in the last year
Christian O. HenryDirector · Director at Wave Life Sciences, filing Form 4 there in the last year
RA CAPITAL MANAGEMENT, L.P.Director and 10% owner · Director and 10% owner at Wave Life Sciences, filing Form 4 there in the last year
Adrian RawcliffeDirector · Director at Wave Life Sciences, filing Form 4 there in the last year
Heidi L. WagnerDirector · Also traded WVE in the last 90 days