Susan Bobulsky

Executive

Insider activity · 24 months0 buys8 salesCumulative net flow

Dec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 0 buys · 0 salesMar 26 · 0 buys · 1 saleApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 1 saleJul 26 · 0 buys · 3 salesAug 26 · 0 buys · 1 saleSept 26 · 0 buys · 1 saleOct 26 · 0 buys · 1 saleNov 26 · 0 buys · 0 sales

Total declarations

Company

▲ Purchases (0 ops.)

—

▼ Sales (15 ops.)

€3.0M

Latest filing published 08 Oct 2026 for Adaptive Biotechnologies Corp, €172k.

Filing timeline

BuySale

Susan Bobulsky

Insider track record

Disclosed buys

Disclosed sells

Signal history

Susan Bobulsky: trading record in brief

Susan Bobulsky discloses dealings in Adaptive Biotechnologies Corp to SEC (Form 4). Between 29 September 2020 and 6 October 2026, the trades on record add up to 23 filings.

The open-market record consists of 15 sales worth €3.0M, with no purchase. Besides market trades, the filings include 5 share grants and 3 option exercises. Since January 2026: no purchases and 10 sales on the market.

The record was last updated on 8 October 2026 with an open-market sale (€172k) in Adaptive Biotechnologies Corp. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. US insiders must file a Form 4 within two business days of a trade. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.

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Adaptive Biotechnologies Corp (US)

Declarations14 total

▼
Susan Bobulsky
Chief Commercial Officer, MRDExecutives6 Oct 2026Adaptive Biotechnologies Corp
193,320 USD0SEC
6,444 shares@ US$30.00Common StockSEC:0001820885-26-000025:0
▼
Susan Bobulsky
Chief Commercial Officer, MRDExecutives15 Sept 2026Adaptive Biotechnologies Corp
32,265 USD34SEC
1,195 shares@ US$27.000.0007% mcap3.2% of flowCommon StockSEC:0001820885-26-000023:0
▼
Susan Bobulsky
Chief Commercial Officer, MRDExecutives10 Aug 2026Adaptive Biotechnologies Corp
75,000 USD32SEC
3,000 shares@ US$25.000.0017% mcap7.4% of flowCommon StockSEC:0001820885-26-000020:0
▼
Susan Bobulsky
Chief Commercial Officer, MRDExecutives30 Jul 2026Adaptive Biotechnologies Corp
31,176 USD31SEC
1,299 shares@ US$24.000.0007% mcap3.1% of flowCommon StockSEC:0001820885-26-000018:0
▼
Susan Bobulsky
Chief Commercial Officer, MRDExecutives16 Jul 2026Adaptive Biotechnologies Corp
115,000 USD32SEC
5,000 shares@ US$23.000.0026% mcap11.4% of flowCommon StockSEC:0001820885-26-000016:0
▼
Susan Bobulsky
Chief Commercial Officer, MRDExecutives1 Jul 2026Adaptive Biotechnologies Corp
10,714 USD28SEC
487 shares@ US$22.000.0002% mcap1.1% of flowCommon StockSEC:0001820885-26-000014:0
▼
Susan Bobulsky
Chief Commercial Officer, MRDExecutives25 Jun 2026Adaptive Biotechnologies Corp
0SEC
5,000 sharesCommon StockSEC:0001820885-26-000012:0
▼
Susan Bobulsky
Chief Commercial Officer, MRDExecutives11 Jun 2026Adaptive Biotechnologies Corp
0SEC
5,000 sharesCommon StockSEC:0001820885-26-000010:0
▼
Susan Bobulsky
Chief Commercial Officer, MRDExecutives4 Jun 2026Adaptive Biotechnologies Corp
198,000 USD25SEC
11,000 shares@ US$18.000.0055% mcap19.4% of flowCommon StockSEC:0001820885-26-000008:0
▼
Susan Bobulsky
Chief Commercial Officer, MRDExecutives11 Mar 2026Adaptive Biotechnologies Corp
544,421 USD34SEC
41,338 shares@ US$13.1753.4% of flowCommon StockSEC:0001820885-26-000004:0
◆
Susan Bobulsky
Chief Commercial Officer, MRDExecutives4 Mar 2026Adaptive Biotechnologies Corp
0SEC
59,375 shares0Common StockSEC:0001820885-26-000002:0
◆
Susan Bobulsky
Chief Commercial Officer, MRDExecutives4 Mar 2025Adaptive Biotechnologies Corp
0SEC
119,971 shares0Common StockSEC:0001062993-25-004817:0
◇
Susan Bobulsky
Chief Commercial Officer, MRDExecutives8 Oct 2024Adaptive Biotechnologies Corp
9,900 USD11SEC
5,000 shares@ US$1.981.0% of flowCommon StockSEC:0001062993-24-017564:0
◆
Susan Bobulsky
Chief Commercial Officer, MRDExecutives4 Mar 2024Adaptive Biotechnologies Corp
0SEC
132,979 shares0Common StockSEC:0001062993-24-005757:0

14 of 14 declarations

Susan Bobulsky

Insider track record

Susan Bobulsky: trading record in brief

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