Susan Bobulsky

CIK 1820885 · View on SEC EDGAR ↗

Insider

First SEC filing: March 6, 2024 · Latest: June 15, 2026

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

ADPT selling Aug. 10, 2026

Insider transactions

0 buys (P) 7 sells (S) Net: $-627,390 + 13 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

13 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 10, 2026	ADPT	S 10b5-1	3,000	$25.00	$75,000	396,989 Direct	-0.75%	Disposed	3.5% (price as of 2026-08-20)
July 30, 2026	ADPT	S 10b5-1	1,299	$24.00	$31,176	399,989 Direct	-0.32%	Disposed	7.8% (price as of 2026-08-20)
July 16, 2026	ADPT	S 10b5-1	5,000	$23.00	$115,000	401,288 Direct	-1.23%	Disposed	12.5% (price as of 2026-08-20)
July 1, 2026	ADPT	S 10b5-1	487	$22.00	$10,714	406,288 Direct	-0.12%	Disposed	17.6% (price as of 2026-08-20)
June 25, 2026	ADPT	S 10b5-1	5,000	$20.50	$102,500	406,775 Direct	-1.21%	Disposed	26.2% (price as of 2026-08-20)
June 11, 2026	ADPT	S 10b5-1	5,000	$19.00	$95,000	411,775 Direct	-1.20%	Disposed	36.2% (price as of 2026-08-20)
June 4, 2026	ADPT	S	11,000	$18.00	$198,000	416,775	—	—	43.8% (price as of 2026-08-20)
March 5, 2025	ADPT	S	26,023	$6.98	$181,641	347,238 Direct	-6.97%	Disposed	270.7% (price as of 2026-08-20)
March 4, 2025	ADPT	A	180,029	—	—	180,029 Direct	—	Acquired	(price as of 2026-08-20)
March 4, 2025	ADPT	A	119,971	—	—	373,261 Direct	+47.37%	Acquired	(price as of 2026-08-20)
Oct. 8, 2024	ADPT	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 8, 2024	ADPT	M	5,000	$1.98	$9,900	253,290 Direct	+2.01%	Acquired	1206.8% (price as of 2026-08-20)
March 5, 2024	ADPT	S	6,975	$3.44	$23,994	248,290 Direct	-2.73%	Disposed	652.2% (price as of 2026-08-20)
March 5, 2024	ADPT	S	6,016	$3.43	$20,635	255,265 Direct	-2.30%	Disposed	654.4% (price as of 2026-08-20)
March 4, 2024	ADPT	A	199,549	—	—	199,549 Direct	—	Acquired	(price as of 2026-08-20)
March 4, 2024	ADPT	A	132,979	—	—	261,281 Direct	+103.65%	Acquired	(price as of 2026-08-20)
March 4, 2021	ADPT	A	22,894	—	—	22,894 Direct	—	Acquired	(price as of 2026-08-20)
March 4, 2021	ADPT	A	9,158	—	—	9,158 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 10, 2020	ADPT	M 10b5-1	25,000	—	—	30,000 Direct	-45.45%	Disposed	(price as of 2026-08-20)
Dec. 10, 2020	ADPT	S 10b5-1	25,000	$55.00	$1,375,000	0 Direct	-100.00%	Disposed	-53.0% (price as of 2026-08-20)
Dec. 10, 2020	ADPT	M 10b5-1	25,000	$1.98	$49,500	25,000 Direct	—	Acquired	1206.8% (price as of 2026-08-20)
Sept. 29, 2020	ADPT	M 10b5-1	10,000	—	—	55,000 Direct	-15.38%	Disposed	(price as of 2026-08-20)
Sept. 29, 2020	ADPT	S 10b5-1	10,000	$50.00	$500,000	0 Direct	-100.00%	Disposed	-48.3% (price as of 2026-08-20)
Sept. 29, 2020	ADPT	M 10b5-1	10,000	$1.98	$19,800	10,000 Direct	—	Acquired	1206.8% (price as of 2026-08-20)
Aug. 13, 2020	ADPT	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
March 4, 2025	ADPT	Stock Option (right to buy)	Common Stock (180,029)	$8.12	March 4, 2035	180,029	Acquired
Oct. 8, 2024	ADPT	Stock Option (right to buy)	Common Stock (5,000)	$1.98	Oct. 13, 2024	5,000	Disposed
March 4, 2024	ADPT	Stock Option (right to buy)	Common Stock (199,549)	$3.99	March 4, 2034	199,549	Acquired
March 4, 2021	ADPT	Stock Option (Right to Buy)	Common Stock (22,894)	$43.68	March 4, 2021	22,894	Acquired
Dec. 10, 2020	ADPT	Stock Option (Right to Buy)	Common Stock (25,000)	$1.98	Oct. 13, 2024	25,000	Disposed
Sept. 29, 2020	ADPT	Stock Option (Right to Buy)	Common Stock (10,000)	$1.98	Oct. 13, 2024	10,000	Disposed
Aug. 13, 2020	ADPT	Stock Option (Right to Buy)	Common Stock (20,000)	$39.50	Aug. 13, 2030	20,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 13 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
March 6, 2024	ADPT	Common Stock	128,302	Direct
March 6, 2024	ADPT	Stock Option (Right to Buy)→ Common Stock (5,000)	5,000	Direct
March 6, 2024	ADPT	Stock Option (Right to Buy)→ Common Stock (20,000)	20,000	Direct
March 6, 2024	ADPT	Stock Option (Right to Buy)→ Common Stock (28,750)	28,750	Direct
March 6, 2024	ADPT	Stock Option (Right to Buy)→ Common Stock (13,474)	13,474	Direct
March 6, 2024	ADPT	Stock Option (Right to Buy)→ Common Stock (20,000)	20,000	Direct
March 6, 2024	ADPT	Stock Option (Right to Buy)→ Common Stock (22,894)	22,894	Direct
March 6, 2024	ADPT	Stock Option (Right to Buy)→ Common Stock (102,965)	102,965	Direct
March 6, 2024	ADPT	Stock Option (Right to Buy)→ Common Stock (88,689)	88,689	Direct
Aug. 14, 2020	ADPT	Stock Option (Right to Buy)→ Common Stock (65,000)	65,000	Direct
Aug. 14, 2020	ADPT	Stock Option (Right to Buy)→ Common Stock (20,000)	20,000	Direct
Aug. 14, 2020	ADPT	Stock Option (Right to Buy)→ Common Stock (28,750)	28,750	Direct
Aug. 14, 2020	ADPT	Stock Option (Right to Buy)→ Common Stock (13,474)	13,474	Direct