Richard Aldrich

Insider

First SEC filing: June 19, 2013 · Latest: June 19, 2013

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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 41 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

41 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 7, 2018	TPST	A	755	—	—	6,169 Direct	+13.95%	Acquired	(price as of 2026-08-21)
Sept. 28, 2018	TPST	A	14,558	—	—	81,220 Direct	+21.84%	Acquired	(price as of 2026-08-21)
July 4, 2018	TPST	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
June 29, 2018	TPST	A	11,709	—	—	66,662 Direct	+21.31%	Acquired	(price as of 2026-08-21)
March 30, 2018	TPST	A	13,101	—	—	54,953 Direct	+31.30%	Acquired	(price as of 2026-08-21)
Dec. 29, 2017	TPST	A	7,589	—	—	41,852 Direct	+22.15%	Acquired	(price as of 2026-08-21)
Oct. 12, 2017	KALV	P	565,065	$8.61	$4,865,210	934,484 Indirect	+152.96%	Acquired
Sept. 29, 2017	TPST	A	7,482	—	—	34,263 Direct	+27.94%	Acquired	(price as of 2026-08-21)
Sept. 27, 2017	KALV	A	6,000	—	—	6,000 Direct	—	Acquired
June 30, 2017	TPST	A	6,810	—	—	26,781 Direct	+34.10%	Acquired	(price as of 2026-08-21)
June 21, 2017	TPST	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
March 31, 2017	TPST	A	5,681	—	—	19,971 Direct	+39.76%	Acquired	(price as of 2026-08-21)
March 23, 2017	KALV	A	12,000	—	—	12,000 Direct	—	Acquired
Dec. 30, 2016	TPST	A	6,944	$1.53	$10,624	14,290 Direct	+94.53%	Acquired	-100.0% (price as of 2026-08-21)
Dec. 22, 2016	TPST	G	154,519	—	—	7,346 Direct	-95.46%	Disposed	(price as of 2026-08-21)
Dec. 22, 2016	TPST	G	154,519	—	—	330,000 Indirect	+88.05%	Acquired	(price as of 2026-08-21)
Dec. 13, 2016	TPST	G	645,842	—	—	161,865 Direct	-79.96%	Disposed	(price as of 2026-08-21)
Dec. 13, 2016	TPST	G	645,842	—	—	668,192 Indirect	+2889.67%	Acquired	(price as of 2026-08-21)
Dec. 7, 2016	TPST	G	200,000	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-21)
Dec. 7, 2016	TPST	G	200,000	—	—	807,707 Direct	+32.91%	Acquired	(price as of 2026-08-21)
Nov. 21, 2016	KALV	A	369,419	—	—	369,419 Indirect	—	Acquired
Sept. 30, 2016	TPST	A	1,483	—	—	607,707 Direct	+0.24%	Acquired	(price as of 2026-08-21)
June 2, 2016	TPST	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
June 1, 2016	TPST	P	425,000	$7.00	$2,975,000	962,056 Indirect	+79.14%	Acquired	-100.0% (price as of 2026-08-21)
May 18, 2016	TPST	P	20,000	$7.86	$157,200	537,056 Indirect	+3.87%	Acquired	-100.0% (price as of 2026-08-21)
May 17, 2016	TPST	P	20,000	$7.56	$151,200	517,056 Indirect	+4.02%	Acquired	-100.0% (price as of 2026-08-21)
May 13, 2016	TPST	P	16,295	$7.06	$115,043	477,056 Indirect	+3.54%	Acquired	-100.0% (price as of 2026-08-21)
May 12, 2016	TPST	P	5,600	$7.13	$39,928	460,761 Indirect	+1.23%	Acquired	-100.0% (price as of 2026-08-21)
May 12, 2016	TPST	P	14,200	$6.72	$95,424	455,161 Indirect	+3.22%	Acquired	-100.0% (price as of 2026-08-21)
May 11, 2016	TPST	P	20,000	$7.64	$152,800	440,961 Indirect	+4.75%	Acquired	-100.0% (price as of 2026-08-21)
May 10, 2016	TPST	P	19,900	$7.72	$153,628	420,961 Indirect	+4.96%	Acquired	-100.0% (price as of 2026-08-21)
March 31, 2016	TPST	A	1,119	—	—	604,185 Direct	+0.19%	Acquired	(price as of 2026-08-21)
March 24, 2016	TPST	P	30,000	$9.23	$276,900	401,061 Indirect	+8.08%	Acquired	-100.0% (price as of 2026-08-21)
March 23, 2016	TPST	P	8,100	$10.18	$82,458	371,061 Indirect	+2.23%	Acquired	-100.0% (price as of 2026-08-21)
March 23, 2016	TPST	P	21,700	$9.58	$207,886	362,961 Indirect	+6.36%	Acquired	-100.0% (price as of 2026-08-21)
March 22, 2016	TPST	P	29,800	$10.53	$313,794	341,261 Indirect	+9.57%	Acquired	-100.0% (price as of 2026-08-21)
March 21, 2016	TPST	P	8,900	$9.52	$84,728	290,361 Indirect	+3.16%	Acquired	-100.0% (price as of 2026-08-21)
March 21, 2016	TPST	P	21,100	$10.71	$225,981	311,461 Indirect	+7.27%	Acquired	-100.0% (price as of 2026-08-21)
March 18, 2016	TPST	P	29,900	$8.72	$260,728	281,461 Indirect	+11.89%	Acquired	-100.0% (price as of 2026-08-21)
March 17, 2016	TPST	P	29,800	$7.79	$232,142	251,561 Indirect	+13.44%	Acquired	-100.0% (price as of 2026-08-21)
March 16, 2016	TPST	P	21,729	$7.59	$164,923	213,961 Indirect	+11.30%	Acquired	-100.0% (price as of 2026-08-21)
March 16, 2016	TPST	P	7,800	$8.13	$63,414	221,761 Indirect	+3.65%	Acquired	-100.0% (price as of 2026-08-21)
March 15, 2016	TPST	P	11,900	$8.44	$100,436	192,232 Indirect	+6.60%	Acquired	-100.0% (price as of 2026-08-21)
March 15, 2016	TPST	P	17,600	$7.80	$137,280	180,332 Indirect	+10.82%	Acquired	-100.0% (price as of 2026-08-21)
March 14, 2016	TPST	P	30,000	$8.05	$241,500	162,732 Indirect	+22.60%	Acquired	-100.0% (price as of 2026-08-21)
March 11, 2016	TPST	P	132,732	$7.50	$995,490	132,732 Indirect	—	Acquired	-100.0% (price as of 2026-08-21)
Dec. 31, 2015	TPST	A	1,087	—	—	603,066 Direct	+0.18%	Acquired	(price as of 2026-08-21)
Oct. 19, 2015	TPST	G	200,000	—	—	200,000 Indirect	—	Acquired	(price as of 2026-08-21)
Oct. 19, 2015	TPST	G	200,000	—	—	601,979 Direct	-24.94%	Disposed	(price as of 2026-08-21)
Sept. 30, 2015	TPST	A	1,251	—	—	801,979 Direct	+0.16%	Acquired	(price as of 2026-08-21)
June 30, 2015	TPST	G	175,481	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-21)
June 30, 2015	TPST	G	175,481	—	—	175,481 Indirect	—	Acquired	(price as of 2026-08-21)
June 30, 2015	TPST	A	2,039	—	—	606,224 Direct	+0.34%	Acquired	(price as of 2026-08-21)
June 30, 2015	TPST	A	367	$28.93	$10,617	800,728 Direct	+0.05%	Acquired	-100.0% (price as of 2026-08-21)
June 8, 2015	PTCT	S 10b5-1	104	$56.05	$5,829	0 Direct	-100.00%	Disposed	26.0% (price as of 2026-08-21)
June 8, 2015	PTCT	M 10b5-1	7,000	—	—	13,000 Direct	-35.00%	Disposed	(price as of 2026-08-21)
June 8, 2015	PTCT	S 10b5-1	6,896	$55.65	$383,762	104 Direct	-98.51%	Disposed	26.9% (price as of 2026-08-21)
June 8, 2015	PTCT	M 10b5-1	7,000	$10.85	$75,950	7,000 Direct	—	Acquired	550.8% (price as of 2026-08-21)
June 4, 2015	TPST	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
May 16, 2015	TPST	P	20,000	$7.69	$153,800	497,056 Indirect	+4.19%	Acquired	-100.0% (price as of 2026-08-21)
April 8, 2015	TPST	P	2,500	$29.97	$74,925	22,350 Indirect	+12.59%	Acquired	-100.0% (price as of 2026-08-21)
March 31, 2015	TPST	A	305	$34.73	$10,593	526,750 Direct	+0.06%	Acquired	-100.0% (price as of 2026-08-21)
Jan. 2, 2015	PTCT	A	12,000	$51.00	$612,000	12,000 Direct	—	Acquired	38.5% (price as of 2026-08-21)
July 7, 2014	TPST	P 10b5-1	1,000	$9.49	$9,490	19,850 Indirect	+5.31%	Acquired	-100.0% (price as of 2026-08-21)
July 7, 2014	TPST	P 10b5-1	2,000	$9.49	$18,980	20,850 Indirect	+10.61%	Acquired	-100.0% (price as of 2026-08-21)
June 30, 2014	TPST	P 10b5-1	2,000	$9.16	$18,320	18,850 Indirect	+11.87%	Acquired	-100.0% (price as of 2026-08-21)
June 23, 2014	TPST	P 10b5-1	2,000	$8.81	$17,620	16,850 Indirect	+13.47%	Acquired	-100.0% (price as of 2026-08-21)
June 16, 2014	TPST	P 10b5-1	2,000	$8.52	$17,040	14,850 Indirect	+15.56%	Acquired	-100.0% (price as of 2026-08-21)
June 13, 2014	TPST	A	6,500	—	—	6,500 Direct	—	Acquired	(price as of 2026-08-21)
June 10, 2014	VSTM	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-21)
June 9, 2014	TPST	P 10b5-1	2,000	$7.59	$15,180	12,850 Indirect	+18.43%	Acquired	-100.0% (price as of 2026-08-21)
June 2, 2014	TPST	P 10b5-1	2,000	$7.29	$14,580	10,850 Indirect	+22.60%	Acquired	-100.0% (price as of 2026-08-21)
May 27, 2014	TPST	P 10b5-1	2,000	$7.50	$15,000	8,850 Indirect	+29.20%	Acquired	-100.0% (price as of 2026-08-21)
May 20, 2014	VSTM	P	1,000	$8.37	$8,370	408,142 Direct	+0.25%	Acquired	-93.1% (price as of 2026-08-21)
May 19, 2014	TPST	P 10b5-1	2,000	$7.33	$14,660	6,850 Indirect	+41.24%	Acquired	-100.0% (price as of 2026-08-21)
March 7, 2014	TPST	P	100,000	$10.00	$1,000,000	3,820,571 Indirect	+2.69%	Acquired	-100.0% (price as of 2026-08-21)
Jan. 28, 2014	PTCT	A	10,000	$27.05	$270,500	10,000 Direct	—	Acquired	161.0% (price as of 2026-08-21)
Jan. 28, 2014	PTCT	A	10,000	$27.05	$270,500	10,000 Indirect	—	Acquired	161.0% (price as of 2026-08-21)
Nov. 11, 2013	VSTM	P 10b5-1	1,000	$10.93	$10,930	20,000 Indirect	+5.26%	Acquired	-94.7% (price as of 2026-08-21)
Nov. 4, 2013	VSTM	P 10b5-1	1,000	$10.51	$10,510	19,000 Indirect	+5.56%	Acquired	-94.5% (price as of 2026-08-21)
Oct. 28, 2013	VSTM	P 10b5-1	1,000	$11.26	$11,260	18,000 Indirect	+5.88%	Acquired	-94.9% (price as of 2026-08-21)
Oct. 21, 2013	VSTM	P 10b5-1	1,000	$12.57	$12,570	17,000 Indirect	+6.25%	Acquired	-95.4% (price as of 2026-08-21)
Oct. 14, 2013	VSTM	P 10b5-1	1,000	$10.56	$10,560	16,000 Indirect	+6.67%	Acquired	-94.5% (price as of 2026-08-21)
Oct. 7, 2013	VSTM	P 10b5-1	1,000	$11.53	$11,530	15,000 Indirect	+7.14%	Acquired	-95.0% (price as of 2026-08-21)
Sept. 30, 2013	VSTM	P 10b5-1	1,000	$12.55	$12,550	14,000 Indirect	+7.69%	Acquired	-95.4% (price as of 2026-08-21)
Sept. 23, 2013	VSTM	P 10b5-1	1,000	$13.17	$13,170	13,000 Indirect	+8.33%	Acquired	-95.6% (price as of 2026-08-21)
Sept. 16, 2013	VSTM	P 10b5-1	1,000	$13.81	$13,810	12,000 Indirect	+9.09%	Acquired	-95.8% (price as of 2026-08-21)
Sept. 11, 2013	TPST	P	4,850	$10.54	$51,119	4,850 Indirect	—	Acquired	-100.0% (price as of 2026-08-21)
Sept. 9, 2013	VSTM	P 10b5-1	1,000	$14.04	$14,040	11,000 Indirect	+10.00%	Acquired	-95.9% (price as of 2026-08-21)
Sept. 3, 2013	VSTM	P 10b5-1	1,000	$14.07	$14,070	10,000 Indirect	+11.11%	Acquired	-95.9% (price as of 2026-08-21)
Aug. 26, 2013	VSTM	P 10b5-1	1,000	$14.21	$14,210	9,000 Indirect	+12.50%	Acquired	-95.9% (price as of 2026-08-21)
Aug. 19, 2013	VSTM	P 10b5-1	1,000	$13.45	$13,450	8,000 Indirect	+14.29%	Acquired	-95.7% (price as of 2026-08-21)
Aug. 12, 2013	VSTM	P 10b5-1	1,000	$14.75	$14,750	7,000 Indirect	+16.67%	Acquired	-96.1% (price as of 2026-08-21)
Aug. 5, 2013	VSTM	P 10b5-1	1,000	$15.25	$15,250	6,000 Indirect	+20.00%	Acquired	-96.2% (price as of 2026-08-21)
July 29, 2013	VSTM	P 10b5-1	1,000	$15.15	$15,150	5,000 Indirect	+25.00%	Acquired	-96.2% (price as of 2026-08-21)
July 24, 2013	VSTM	P 10b5-1	1,000	$16.39	$16,390	4,000 Indirect	+33.33%	Acquired	-96.5% (price as of 2026-08-21)
July 15, 2013	VSTM	P 10b5-1	1,000	$17.19	$17,190	3,000 Indirect	+50.00%	Acquired	-96.6% (price as of 2026-08-21)
July 8, 2013	VSTM	P 10b5-1	1,000	$14.69	$14,690	2,000 Indirect	+100.00%	Acquired	-96.1% (price as of 2026-08-21)
July 1, 2013	VSTM	P 10b5-1	1,000	$14.11	$14,110	1,000 Indirect	—	Acquired	-95.9% (price as of 2026-08-21)
June 25, 2013	PTCT	C	583,333	—	—	583,333 Indirect	—	Acquired	(price as of 2026-08-21)

Showing latest 100 of 119 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
July 4, 2018	TPST	Stock Option (right to buy)	Common Stock (12,000)	$0.95	July 4, 2028	12,000	Acquired
Sept. 27, 2017	KALV	Director Stock Option (Right to Buy)	Common Stock (6,000)	$6.71	Sept. 26, 2027	6,000	Acquired
June 21, 2017	TPST	Stock Option (right to buy)	Common Stock (12,000)	$1.46	June 21, 2027	12,000	Acquired
March 23, 2017	KALV	Director Stock Option (Right to Buy)	Common Stock (12,000)	$7.88	March 22, 2027	12,000	Acquired
June 2, 2016	TPST	Stock Option (right to buy)	Common Stock (12,000)	$7.38	June 2, 2026	12,000	Acquired
June 8, 2015	PTCT	Stock Option (Right to Buy)	Common Stock (7,000)	$10.85	June 9, 2025	7,000	Disposed
June 4, 2015	TPST	Stock Option (right to buy)	Common Stock (12,000)	$36.19	June 4, 2025	12,000	Acquired
Jan. 2, 2015	PTCT	Stock Option (right to buy)	Common Stock (12,000)	$51.00	Jan. 1, 2025	12,000	Acquired
June 13, 2014	TPST	Stock Option (right to buy)	Common Stock (6,500)	$8.43	June 13, 2024	6,500	Acquired
June 10, 2014	VSTM	Stock Option (Right to Buy)	Common Stock (25,000)	$10.07	June 10, 2024	25,000	Acquired
Jan. 28, 2014	PTCT	Stock Option (right to buy)	Common Stock (10,000)	$27.05	Jan. 27, 2024	10,000	Acquired
Jan. 28, 2014	PTCT	Stock Option (right to buy)	Common Stock (10,000)	$27.05	Jan. 27, 2024	10,000	Acquired
June 25, 2013	PTCT	Series Four Senior Preferred Stock	Common stock (583,333)	—	—	583,333	Disposed
June 7, 2013	TPST	Stock Option (right to buy)	Common Stock (4,448)	$14.00	June 7, 2023	4,448	Acquired
June 4, 2013	VSTM	Stock Option (Right to Buy)	Common Stock (12,500)	$9.34	June 4, 2023	12,500	Acquired
May 15, 2013	PTCT	Stock Option (right to buy)	Common stock (20,000)	$10.85	May 15, 2023	20,000	Acquired
March 7, 2013	PTCT	Series Four Senior Preferred Stock	Common stock (583,333)	—	—	583,333	Acquired
Aug. 13, 2012	TPST	Series B Preferred Stock	Common Stock	—	—	1,818,181	Disposed
Aug. 13, 2012	TPST	Series A Preferred Stock	Common Stock	—	—	3,000,000	Disposed
March 6, 2012	VSTM	Stock Option (Right to Buy)	Common Stock (12,500)	$11.10	March 5, 2022	12,500	Acquired
Feb. 1, 2012	VSTM	Series C Preferred Stock	Common Stock	—	—	444,444	Disposed
Feb. 1, 2012	VSTM	Series B Preferred Stock	Common Stock	—	—	3,500,000	Disposed
Feb. 1, 2012	VSTM	Series A Preferred Stock	Common Stock	—	—	4,000,000	Disposed

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
June 19, 2013	PTCT	Stock Option (right to buy)→ Common Stock (20,000)	20,000	Direct
June 19, 2013	PTCT	Series Four Senior Preferred Stock→ Common Stock (583,333)	583,333	Indirect
June 11, 2012	TPST	Common Stock	526,445	Direct
June 11, 2012	TPST	Common Stock	175,481	Indirect
June 11, 2012	TPST	Series A Preferred Shares→ Common Stock	—	Indirect
June 11, 2012	TPST	Series B Preferred Shares→ Common Stock	—	Indirect
Jan. 26, 2012	VSTM	Common Stock	407,142	Direct
Jan. 26, 2012	VSTM	Common Stock	135,714	Indirect
Jan. 26, 2012	VSTM	Series A Preferred Stock→ Common Stock	—	Indirect
Jan. 26, 2012	VSTM	Series B Preferred Stock→ Common Stock	—	Indirect
Jan. 26, 2012	VSTM	Series C Preferred Stock→ Common Stock	—	Indirect