Paul D Rubin

Insider

First SEC filing: March 22, 2016 · Latest: March 22, 2016

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 6 sells (S) Net: $-1,460,917 + 73 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

73 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 1, 2026	BIOA	M 10b5-1	3,383	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
April 1, 2026	BIOA	M 10b5-1	5,437	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
April 1, 2026	BIOA	S 10b5-1	8,820	$17.81	$157,084	0 Direct	-100.00%	Disposed	-45.1% (price as of 2026-08-21)
April 1, 2026	BIOA	M 10b5-1	3,383	$6.57	$22,226	8,820 Direct	+62.22%	Acquired	48.7% (price as of 2026-08-21)
April 1, 2026	BIOA	M 10b5-1	5,437	$4.11	$22,346	5,437 Direct	—	Acquired	137.7% (price as of 2026-08-21)
March 2, 2026	BIOA	M 10b5-1	2,000	—	—	3,383 Direct	-37.15%	Disposed	(price as of 2026-08-21)
March 2, 2026	BIOA	M 10b5-1	5,433	—	—	5,437 Direct	-49.98%	Disposed	(price as of 2026-08-21)
March 2, 2026	BIOA	S 10b5-1	7,433	$20.30	$150,890	0 Direct	-100.00%	Disposed	-51.9% (price as of 2026-08-21)
March 2, 2026	BIOA	M 10b5-1	2,000	$6.57	$13,140	7,433 Direct	+36.81%	Acquired	48.7% (price as of 2026-08-21)
March 2, 2026	BIOA	M 10b5-1	5,433	$4.11	$22,330	5,433 Direct	—	Acquired	137.7% (price as of 2026-08-21)
Feb. 17, 2026	BIOA	A	110,000	—	—	110,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 2, 2026	BIOA	M 10b5-1	2,000	—	—	5,383 Direct	-27.09%	Disposed	(price as of 2026-08-21)
Feb. 2, 2026	BIOA	M 10b5-1	5,433	—	—	10,870 Direct	-33.33%	Disposed	(price as of 2026-08-21)
Feb. 2, 2026	BIOA	S 10b5-1	7,433	$18.75	$139,369	0 Direct	-100.00%	Disposed	-47.9% (price as of 2026-08-21)
Feb. 2, 2026	BIOA	M 10b5-1	2,000	$6.57	$13,140	7,433 Direct	+36.81%	Acquired	48.7% (price as of 2026-08-21)
Feb. 2, 2026	BIOA	M 10b5-1	5,433	$4.11	$22,330	5,433 Direct	—	Acquired	137.7% (price as of 2026-08-21)
Jan. 2, 2026	BIOA	M 10b5-1	2,000	—	—	7,383 Direct	-21.32%	Disposed	(price as of 2026-08-21)
Jan. 2, 2026	BIOA	M 10b5-1	5,433	—	—	16,303 Direct	-25.00%	Disposed	(price as of 2026-08-21)
Jan. 2, 2026	BIOA	S 10b5-1	7,433	$12.85	$95,514	0 Direct	-100.00%	Disposed	-24.0% (price as of 2026-08-21)
Jan. 2, 2026	BIOA	M 10b5-1	2,000	$6.57	$13,140	7,433 Direct	+36.81%	Acquired	48.7% (price as of 2026-08-21)
Jan. 2, 2026	BIOA	M 10b5-1	5,433	$4.11	$22,330	5,433 Direct	—	Acquired	137.7% (price as of 2026-08-21)
Dec. 9, 2025	BIOA	M 10b5-1	18,000	—	—	9,383 Direct	-65.73%	Disposed	(price as of 2026-08-21)
Dec. 9, 2025	BIOA	S 10b5-1	18,000	$12.00	$216,000	0 Direct	-100.00%	Disposed	-18.6% (price as of 2026-08-21)
Dec. 9, 2025	BIOA	M 10b5-1	18,000	$6.57	$118,260	18,000 Direct	—	Acquired	48.7% (price as of 2026-08-21)
Dec. 4, 2025	BIOA	M 10b5-1	68,897	—	—	21,736 Direct	-76.02%	Disposed	(price as of 2026-08-21)
Dec. 4, 2025	BIOA	S 10b5-1	68,897	$10.19	$702,060	0 Direct	-100.00%	Disposed	-4.1% (price as of 2026-08-21)
Dec. 4, 2025	BIOA	M 10b5-1	68,897	$4.11	$283,167	68,897 Direct	—	Acquired	137.7% (price as of 2026-08-21)
Feb. 6, 2019	VRDN	A	87,000	—	—	87,000 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 31, 2018	VRDN	A	85,000	—	—	85,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 16, 2017	VRDN	A	87,500	—	—	87,500 Direct	—	Acquired	(price as of 2026-08-21)
March 22, 2016	XOMA	S	24,194	$0.78	$18,871	326,601 Direct	-6.90%	Disposed
March 18, 2016	XOMA	M	12,141	—	—	0 Direct	-100.00%	Disposed
March 18, 2016	XOMA	M	12,141	—	—	350,795 Direct	+3.59%	Acquired
Feb. 25, 2016	XOMA	A	198,330	—	—	338,654 Direct	+141.34%	Acquired
Aug. 14, 2015	XOMA	M	26,748	—	—	0 Direct	-100.00%	Disposed
Aug. 14, 2015	XOMA	D	10,801	$0.83	$8,965	138,292 Direct	-7.24%	Disposed
Aug. 14, 2015	XOMA	M	26,748	—	—	149,093 Direct	+21.86%	Acquired
July 15, 2015	XOMA	M	5,000	$3.04	$15,200	27,040 Direct	-15.61%	Disposed
July 15, 2015	XOMA	S 10b5-1	5,000	$4.60	$23,000	122,345 Direct	-3.93%	Disposed
July 15, 2015	XOMA	M	5,000	$3.04	$15,200	127,345 Direct	+4.09%	Acquired
July 10, 2015	XOMA	M	29,000	$3.04	$88,160	32,040 Direct	-47.51%	Disposed
July 10, 2015	XOMA	S 10b5-1	29,000	$4.55	$131,950	122,345 Direct	-19.16%	Disposed
July 10, 2015	XOMA	M	29,000	$3.04	$88,160	151,345 Direct	+23.70%	Acquired
July 9, 2015	XOMA	M	4,400	$3.04	$13,376	61,040 Direct	-6.72%	Disposed
July 9, 2015	XOMA	S 10b5-1	4,400	$4.55	$20,020	122,345 Direct	-3.47%	Disposed
July 9, 2015	XOMA	M	4,400	$3.04	$13,376	126,745 Direct	+3.60%	Acquired
May 28, 2015	XOMA	M	4,666	—	—	0 Direct	-100.00%	Disposed
May 28, 2015	XOMA	S	1,788	$3.60	$6,437	122,345 Direct	-1.44%	Disposed
May 28, 2015	XOMA	M	4,666	—	—	124,133 Direct	+3.91%	Acquired
March 23, 2015	XOMA	S 10b5-1	32,742	$3.94	$129,003	119,467 Direct	-21.51%	Disposed
March 18, 2015	XOMA	M	18,205	—	—	0 Direct	-100.00%	Disposed
March 18, 2015	XOMA	M	12,141	—	—	12,141 Direct	-50.00%	Disposed
March 18, 2015	XOMA	D	4,680	$4.01	$18,767	152,209 Direct	-2.98%	Disposed
March 18, 2015	XOMA	D	7,017	$4.01	$28,138	156,889 Direct	-4.28%	Disposed
March 18, 2015	XOMA	D	8,838	$4.01	$35,440	163,906 Direct	-5.12%	Disposed
March 18, 2015	XOMA	M	12,141	—	—	172,744 Direct	+7.56%	Acquired
March 18, 2015	XOMA	M	18,205	—	—	160,603 Direct	+12.78%	Acquired
Feb. 26, 2015	XOMA	A	86,910	$3.83	$332,865	86,910 Direct	—	Acquired
Feb. 26, 2015	XOMA	A	64,900	—	—	142,398 Direct	+83.74%	Acquired
Dec. 15, 2014	XOMA	M	1,600	$3.04	$4,864	70,440 Direct	-2.22%	Disposed
Dec. 15, 2014	XOMA	S 10b5-1	1,600	$4.63	$7,408	72,021 Direct	-2.17%	Disposed
Dec. 15, 2014	XOMA	M	1,600	$3.04	$4,864	73,621 Direct	+2.22%	Acquired
Nov. 20, 2014	XOMA	M	5,000	$3.04	$15,200	72,040 Direct	-6.49%	Disposed
Nov. 20, 2014	XOMA	S 10b5-1	5,000	$4.55	$22,750	72,021 Direct	-6.49%	Disposed
Nov. 20, 2014	XOMA	M	5,000	$3.04	$15,200	77,021 Direct	+6.94%	Acquired
Oct. 28, 2014	XOMA	M	5,000	$3.04	$15,200	72,040 Direct	-6.49%	Disposed
Oct. 28, 2014	XOMA	S 10b5-1	5,000	$4.57	$22,850	72,021 Direct	-6.49%	Disposed
Oct. 28, 2014	XOMA	M	5,000	$3.04	$15,200	77,021 Direct	+6.94%	Acquired
Sept. 15, 2014	XOMA	M	5,000	$3.04	$15,200	77,040 Direct	-6.09%	Disposed
Sept. 15, 2014	XOMA	S 10b5-1	5,000	$4.59	$22,950	72,021 Direct	-6.49%	Disposed
Sept. 15, 2014	XOMA	M	5,000	$3.04	$15,200	77,021 Direct	+6.94%	Acquired
Sept. 4, 2014	XOMA	M	10,000	$3.04	$30,400	82,040 Direct	-10.86%	Disposed
Sept. 4, 2014	XOMA	S 10b5-1	10,000	$4.56	$45,600	72,021 Direct	-12.19%	Disposed
Sept. 4, 2014	XOMA	M	10,000	$3.04	$30,400	82,021 Direct	+13.88%	Acquired
Aug. 18, 2014	XOMA	S 10b5-1	16,449	$4.36	$71,718	72,021 Direct	-18.59%	Disposed
Aug. 15, 2014	XOMA	S 10b5-1	10,299	$4.31	$44,389	88,470 Direct	-10.43%	Disposed
Aug. 14, 2014	XOMA	M	26,748	—	—	26,748 Direct	-50.00%	Disposed
Aug. 14, 2014	XOMA	M	26,748	—	—	98,769 Direct	+37.14%	Acquired
June 16, 2014	XOMA	S 10b5-1	11,580	$4.54	$52,573	72,021 Direct	-13.85%	Disposed
May 28, 2014	XOMA	M	4,667	—	—	4,666 Direct	-50.01%	Disposed
May 28, 2014	XOMA	S	1,785	$4.22	$7,533	83,601 Direct	-2.09%	Disposed
May 28, 2014	XOMA	M	4,667	—	—	85,386 Direct	+5.78%	Acquired
May 13, 2014	XOMA	S	10,000	$3.84	$38,400	80,719 Direct	-11.02%	Disposed
March 18, 2014	XOMA	M	18,205	—	—	18,205 Direct	-50.00%	Disposed
March 18, 2014	XOMA	M	12,142	—	—	24,282 Direct	-33.34%	Disposed
March 18, 2014	XOMA	M	6,000	$3.04	$18,240	92,040 Direct	-6.12%	Disposed
March 18, 2014	XOMA	S 10b5-1	6,000	$6.31	$37,860	90,719 Direct	-6.20%	Disposed
March 18, 2014	XOMA	M	6,000	$3.04	$18,240	96,719 Direct	+6.61%	Acquired
March 18, 2014	XOMA	S 10b5-1	6,988	$6.32	$44,164	90,719 Direct	-7.15%	Disposed
March 18, 2014	XOMA	M	18,205	—	—	97,707 Direct	+22.90%	Acquired
March 18, 2014	XOMA	S 10b5-1	4,661	$6.32	$29,458	79,502 Direct	-5.54%	Disposed
March 18, 2014	XOMA	M	12,142	—	—	84,163 Direct	+16.86%	Acquired
Feb. 27, 2014	XOMA	A	95,000	$8.91	$846,450	95,000 Direct	—	Acquired
Feb. 27, 2014	XOMA	A	68,793	—	—	72,021 Direct	+2131.13%	Acquired
Feb. 18, 2014	XOMA	M	6,000	$3.04	$18,240	98,040 Direct	-5.77%	Disposed
Feb. 18, 2014	XOMA	S 10b5-1	6,000	$7.55	$45,300	3,228 Direct	-65.02%	Disposed
Feb. 18, 2014	XOMA	M	6,000	$3.04	$18,240	9,228 Direct	+185.87%	Acquired
Jan. 21, 2014	XOMA	M	5,694	$3.04	$17,310	104,040 Direct	-5.19%	Disposed
Jan. 21, 2014	XOMA	S 10b5-1	5,694	$8.27	$47,089	3,228 Direct	-63.82%	Disposed
Jan. 21, 2014	XOMA	M	5,694	$3.04	$17,310	8,922 Direct	+176.39%	Acquired

Showing latest 100 of 126 transactions

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
April 1, 2026	BIOA	Stock Option (Right to Buy)	Common Stock (3,383)	$6.57	May 28, 2032	3,383	Disposed
April 1, 2026	BIOA	Stock Option (Right to Buy)	Common Stock (5,437)	$4.11	June 30, 2030	5,437	Disposed
March 2, 2026	BIOA	Stock Option (Right to Buy)	Common Stock (2,000)	$6.57	May 28, 2032	2,000	Disposed
March 2, 2026	BIOA	Stock Option (Right to Buy)	Common Stock (5,433)	$4.11	June 30, 2030	5,433	Disposed
Feb. 17, 2026	BIOA	Stock Option (Right to Buy)	Common Stock (110,000)	$19.63	Feb. 16, 2036	110,000	Acquired
Feb. 2, 2026	BIOA	Stock Option (Right to Buy)	Common Stock (2,000)	$6.57	May 28, 2032	2,000	Disposed
Feb. 2, 2026	BIOA	Stock Option (Right to Buy)	Common Stock (5,433)	$4.11	June 30, 2030	5,433	Disposed
Jan. 2, 2026	BIOA	Stock Option (Right to Buy)	Common Stock (2,000)	$6.57	May 28, 2032	2,000	Disposed
Jan. 2, 2026	BIOA	Stock Option (Right to Buy)	Common Stock (5,433)	$4.11	June 30, 2030	5,433	Disposed
Dec. 9, 2025	BIOA	Stock Option (Right to Buy)	Common Stock (18,000)	$6.57	May 28, 2032	18,000	Disposed
Dec. 4, 2025	BIOA	Stock Option (Right to Buy)	Common Stock (68,897)	$4.11	June 30, 2030	68,897	Disposed
Feb. 6, 2019	VRDN	Stock Option (right to buy)	Common Stock (87,000)	$2.96	Feb. 5, 2029	87,000	Acquired
Jan. 31, 2018	VRDN	Stock Option (right to buy)	Common Stock (85,000)	$7.50	Jan. 30, 2028	85,000	Acquired
Feb. 16, 2017	VRDN	Stock Option (right to buy)	Common Stock (87,500)	$11.01	Feb. 15, 2027	87,500	Acquired
March 18, 2016	XOMA	Restricted Stock Units	Common Shares (12,141)	—	March 18, 2016	12,141	Disposed
Aug. 14, 2015	XOMA	Restricted Stock Units	Common Shares (26,748)	$0.00	Aug. 14, 2015	26,748	Disposed
July 15, 2015	XOMA	Incentive Share Option (right to buy)	Common Shares (5,000)	$3.04	May 31, 2021	5,000	Disposed
July 10, 2015	XOMA	Incentive Share Option (right to buy)	Common Shares (29,000)	$3.04	May 31, 2021	29,000	Disposed
July 9, 2015	XOMA	Incentive Share Option (right to buy)	Common Shares (4,400)	$3.04	May 31, 2021	4,400	Disposed
May 28, 2015	XOMA	Restricted Stock Units	Common Shares (4,666)	$0.00	May 28, 2015	4,666	Disposed
March 18, 2015	XOMA	Restricted Stock Units	Common Shares (18,205)	—	—	18,205	Disposed
March 18, 2015	XOMA	Restricted Stock Units	Common Shares (12,141)	—	March 18, 2016	12,141	Disposed
Feb. 26, 2015	XOMA	Non-Qualified Share Option (right to buy)	Common Shares (86,910)	$3.83	Feb. 26, 2025	86,910	Acquired
Dec. 15, 2014	XOMA	Incentive Share Option (right to buy)	Common Shares (1,600)	$3.04	May 31, 2021	1,600	Disposed
Nov. 20, 2014	XOMA	Incentive Share Option (right to buy)	Common Shares (5,000)	$3.04	May 31, 2021	5,000	Disposed
Oct. 28, 2014	XOMA	Incentive Share Option (right to buy)	Common Shares (5,000)	$3.04	May 31, 2021	5,000	Disposed
Sept. 15, 2014	XOMA	Incentive Share Option (right to buy)	Common Shares (5,000)	$3.04	May 31, 2021	5,000	Disposed
Sept. 4, 2014	XOMA	Incentive Share Option (right to buy)	Common Shares (10,000)	$3.04	May 31, 2021	10,000	Disposed
Aug. 14, 2014	XOMA	Restricted Stock Units	Common Shares (26,748)	$0.00	Aug. 14, 2015	26,748	Disposed
May 28, 2014	XOMA	Restricted Stock Units	Common Shares (4,667)	$0.00	May 28, 2015	4,667	Disposed
March 18, 2014	XOMA	Restricted Stock Units	Common Shares (18,205)	—	—	18,205	Disposed
March 18, 2014	XOMA	Restricted Stock Units	Common Shares (12,142)	—	March 18, 2016	12,142	Disposed
March 18, 2014	XOMA	Incentive Share Option (right to buy)	Common Shares (6,000)	$3.04	May 31, 2021	6,000	Disposed
Feb. 27, 2014	XOMA	Non-Qualified Share Option (right to buy)	Common Shares (95,000)	$8.91	Feb. 27, 2024	95,000	Acquired
Feb. 18, 2014	XOMA	Incentive Share Option (right to buy)	Common Shares (6,000)	$3.04	May 31, 2021	6,000	Disposed
Jan. 21, 2014	XOMA	Incentive Share Option (right to buy)	Common Shares (5,694)	$3.04	May 31, 2021	5,694	Disposed
Dec. 18, 2013	XOMA	Incentive Share Option (right to buy)	Common Shares (6,000)	$3.04	May 31, 2021	6,000	Disposed
Nov. 27, 2013	XOMA	Incentive Share Option (right to buy)	Common Shares (4,696)	$3.04	May 31, 2021	4,696	Disposed
Nov. 18, 2013	XOMA	Non-Qualified Share Option (right to buy)	Common Shares (1,304)	$2.36	May 24, 2022	1,304	Disposed
Oct. 18, 2013	XOMA	Non-Qualified Share Option (right to buy)	Common Shares (746)	$2.36	May 24, 2022	746	Disposed
Aug. 14, 2013	XOMA	Restricted Stock Units	Common Shares (26,748)	$0.00	Aug. 14, 2015	26,748	Disposed
July 18, 2013	XOMA	Non-Qualified Share Option (right to buy)	Common Shares (2,748)	$2.36	May 24, 2022	2,748	Disposed
July 18, 2013	XOMA	Incentive Share Option (right to buy)	Common Shares (3,252)	$3.04	May 31, 2021	3,252	Disposed

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

Initial ownership (Form 3) 8 holdings

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

Date	Ticker	Security	Shares	Ownership
Sept. 25, 2024	BIOA	Stock Option (Right to Buy)→ Common Stock (90,633)	90,633	Direct
Sept. 25, 2024	BIOA	Stock Option (Right to Buy)→ Common Stock (43,606)	43,606	Direct
Sept. 25, 2024	BIOA	Stock Option (Right to Buy)→ Common Stock (27,383)	27,383	Direct
Sept. 25, 2024	BIOA	Stock Option (Right to Buy)→ Common Stock (27,383)	27,383	Direct
Sept. 25, 2024	BIOA	Stock Option (Right to Buy)→ Common Stock (175,949)	175,949	Direct
Feb. 13, 2017	VRDN	Stock Option (right to buy) [F1]→ Common Stock (202,917)	202,917	Direct
June 2, 2011	XOMA	Incentive Share Option (right to buy)→ Common Shares (123,682)	123,682	Direct
June 2, 2011	XOMA	Non-Qualified Share Option (right to buy)→ Common Shares (116,318)	116,318	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

CIK 791908

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2016	$382,776	—	—	—	$97,271	—	$4,713	$636,106
2015	$423,299	—	—	—	$159,161	—	$14,386	$1,070,440
2014	$410,970	—	—	—	$146,125	—	$11,406	$1,811,430

VRDN

EVP

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2019	$426,000	—	—	$206,738	—	—	—	$632,738

BIOA

Chief Medical Officer

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2025	$520,200	—	—	—	$208,080	—	$15,200	$1,476,080
2024	$488,139	—	—	—	$170,849	—	$15,000	$1,923,841
2023	$468,939	—	—	—	$205,161	—	$14,400	$836,762

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.