Theresa Heggie

Insider

First SEC filing: March 18, 2026 · Latest: June 15, 2026

On this page

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

BCRX selling March 20, 2026

Insider transactions

0 buys (P) 1 sells (S) Net: $-504,823 + 40 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

40 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 11, 2026	BCRX	A	33,540	—	—	33,540 Direct	—	Acquired	(price as of 2026-08-21)
June 11, 2026	BCRX	A	15,294	—	—	80,646 Direct	+23.40%	Acquired	(price as of 2026-08-21)
March 20, 2026	BCRX	M	49,933	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 20, 2026	BCRX	S	49,933	$10.11	$504,823	65,352 Direct	-43.31%	Disposed	-2.9% (price as of 2026-08-21)
March 20, 2026	BCRX	M	49,933	$6.30	$314,578	115,285 Direct	+76.41%	Acquired	55.8% (price as of 2026-08-21)
Aug. 13, 2025	BCRX	M	40,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 13, 2025	BCRX	M	30,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 13, 2025	BCRX	S	70,000	$8.51	$595,700	65,352 Direct	-51.72%	Disposed	15.3% (price as of 2026-08-21)
Aug. 13, 2025	BCRX	M	40,000	$5.41	$216,400	135,352 Direct	+41.95%	Acquired	81.4% (price as of 2026-08-21)
Aug. 13, 2025	BCRX	M	30,000	$2.91	$87,300	95,352 Direct	+45.91%	Acquired	237.3% (price as of 2026-08-21)
June 12, 2025	BCRX	A	27,181	—	—	27,181 Direct	—	Acquired	(price as of 2026-08-21)
June 12, 2025	BCRX	A	12,500	—	—	65,352 Direct	+23.65%	Acquired	(price as of 2026-08-21)
June 14, 2024	BCRX	S	6,698	$6.11	$40,925	52,852 Direct	-11.25%	Disposed	60.6% (price as of 2026-08-21)
June 12, 2024	BCRX	A	49,933	—	—	49,933 Direct	—	Acquired	(price as of 2026-08-21)
June 12, 2024	BCRX	A	6,820	—	—	59,550 Direct	+12.93%	Acquired	(price as of 2026-08-21)
May 31, 2024	BCRX	A	870	$6.46	$5,620	52,730 Direct	+1.68%	Acquired	51.9% (price as of 2026-08-21)
Feb. 29, 2024	BCRX	A	999	$5.63	$5,624	51,860 Direct	+1.96%	Acquired	74.3% (price as of 2026-08-21)
Nov. 30, 2023	BCRX	A	956	$5.88	$5,621	50,861 Direct	+1.92%	Acquired	66.9% (price as of 2026-08-21)
Aug. 31, 2023	BCRX	A	791	$7.11	$5,624	49,905 Direct	+1.61%	Acquired	38.0% (price as of 2026-08-21)
June 13, 2023	BCRX	A	39,072	—	—	39,072 Direct	—	Acquired	(price as of 2026-08-21)
June 13, 2023	BCRX	A	16,745	—	—	49,114 Direct	+51.73%	Acquired	(price as of 2026-08-21)
May 31, 2023	BCRX	A	680	$8.27	$5,624	32,369 Direct	+2.15%	Acquired	18.7% (price as of 2026-08-21)
Feb. 28, 2023	BCRX	A	635	$8.85	$5,620	31,689 Direct	+2.04%	Acquired	10.9% (price as of 2026-08-21)
Nov. 30, 2022	BCRX	A	421	$13.36	$5,625	31,054 Direct	+1.37%	Acquired	-26.5% (price as of 2026-08-21)
Aug. 31, 2022	BCRX	A	404	$13.90	$5,616	30,633 Direct	+1.34%	Acquired	-29.4% (price as of 2026-08-21)
June 7, 2022	BCRX	A	30,022	—	—	30,022 Direct	—	Acquired	(price as of 2026-08-21)
June 7, 2022	BCRX	A	12,866	—	—	30,229 Direct	+74.10%	Acquired	(price as of 2026-08-21)
May 31, 2022	BCRX	A	1,138	$9.31	$10,595	17,363 Direct	+7.01%	Acquired	5.4% (price as of 2026-08-21)
Feb. 28, 2022	BCRX	A	602	$16.61	$9,999	16,225 Direct	+3.85%	Acquired	-40.9% (price as of 2026-08-21)
Nov. 30, 2021	BCRX	A	829	$12.06	$9,998	15,623 Direct	+5.60%	Acquired	-18.6% (price as of 2026-08-21)
Aug. 31, 2021	BCRX	A	628	$15.92	$9,998	14,794 Direct	+4.43%	Acquired	-38.3% (price as of 2026-08-21)
May 28, 2021	BCRX	A	317	$15.77	$4,999	14,166 Direct	+2.29%	Acquired	-37.8% (price as of 2026-08-21)
May 25, 2021	BCRX	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 26, 2021	BCRX	A	463	$10.78	$4,991	13,849 Direct	+3.46%	Acquired	-9.0% (price as of 2026-08-21)
Nov. 30, 2020	BCRX	A	978	$5.11	$4,998	13,386 Direct	+7.88%	Acquired	92.1% (price as of 2026-08-21)
Aug. 31, 2020	BCRX	A	1,204	$4.15	$4,997	12,408 Direct	+10.75%	Acquired	136.5% (price as of 2026-08-21)
June 1, 2020	BCRX	A	1,112	$4.50	$5,004	11,204 Direct	+11.02%	Acquired	118.1% (price as of 2026-08-21)
May 12, 2020	BCRX	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-21)
March 1, 2020	BCRX	A	1,666	$3.00	$4,998	10,092 Direct	+19.77%	Acquired	227.2% (price as of 2026-08-21)
Dec. 1, 2019	BCRX	A	1,754	$2.85	$4,999	8,426 Direct	+26.29%	Acquired	244.4% (price as of 2026-08-21)
Nov. 18, 2019	BCRX	P	5,000	$1.45	$7,250	6,672 Direct	+299.04%	Acquired	576.9% (price as of 2026-08-21)
Sept. 1, 2019	BCRX	A	1,672	$2.99	$4,999	1,672 Direct	—	Acquired	228.3% (price as of 2026-08-21)
May 29, 2019	BCRX	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 3, 2018	BCRX	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-21)

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
June 11, 2026	BCRX	Automatic Stock Option Grant [F2]	Common Stock (33,540)	$8.50	June 11, 2036	33,540	Acquired
March 20, 2026	BCRX	Automatic Stock Option Grant	Common Stock (49,933)	$6.30	June 12, 2034	49,933	Disposed
Aug. 13, 2025	BCRX	Automatic Stock Option Grant	Common Stock (40,000)	$5.41	May 12, 2030	40,000	Disposed
Aug. 13, 2025	BCRX	Automatic Stock Option Grant	Common Stock (30,000)	$2.91	May 29, 2029	30,000	Disposed
June 12, 2025	BCRX	Automatic Stock Option Grant [F2]	Common Stock (27,181)	$10.40	June 12, 2035	27,181	Acquired
June 12, 2024	BCRX	Automatic Stock Option Grant [F4]	Common Stock (49,933)	$6.30	June 12, 2034	49,933	Acquired
June 13, 2023	BCRX	Automatic Stock Option Grant [F2]	Common Stock (39,072)	$8.18	June 13, 2033	39,072	Acquired
June 7, 2022	BCRX	Automatic Stock Option Grant [F2]	Common Stock (30,022)	$10.79	June 7, 2032	30,022	Acquired
May 25, 2021	BCRX	Automatic Stock Option Grant [F1]	Common Stock (40,000)	$13.28	May 25, 2031	40,000	Acquired
May 12, 2020	BCRX	Automatic Stock Option Grant [F1]	Common Stock (40,000)	$5.41	May 12, 2030	40,000	Acquired
May 29, 2019	BCRX	Automatic Stock Option Grant [F1]	Common Stock (30,000)	$2.91	May 29, 2029	30,000	Acquired
Dec. 3, 2018	BCRX	Non-Qualified Stock Option	Common Stock (30,000)	$9.27	Dec. 3, 2028	30,000	Acquired

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

Initial ownership (Form 3) 11 holdings

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

Date	Ticker	Security	Shares	Ownership
March 18, 2026	PRQR	Ordinary Shares	43,623	Direct
March 18, 2026	PRQR	Share Option (Right to Buy)→ Ordinary Shares (100,000)	100,000	Direct
March 18, 2026	PRQR	Share Option (Right to Buy)→ Ordinary Shares (13,334)	13,334	Direct
March 18, 2026	PRQR	Share Option (Right to Buy)→ Ordinary Shares (24,615)	24,615	Direct
March 18, 2026	PRQR	Share Option (Right to Buy)→ Ordinary Shares (23,239)	23,239	Direct
March 18, 2026	PRQR	Share Option (Right to Buy)→ Ordinary Shares (78,556)	78,556	Direct
March 18, 2026	PRQR	Share Option (Right to Buy)→ Ordinary Shares (80,594)	80,594	Direct
March 18, 2026	PRQR	Share Option (Right to Buy)→ Ordinary Shares (14,418)	14,418	Direct
March 18, 2026	PRQR	Share Option (Right to Buy)→ Ordinary Shares (23,489)	23,489	Direct
March 18, 2026	PRQR	Share Option (Right to Buy)→ Ordinary Shares (22,128)	22,128	Direct
March 18, 2026	PRQR	Share Option (Right to Buy)→ Ordinary Shares (25,192)	25,192	Direct