TWST

Twist Bioscience Corp

Insider trading activity for Twist Bioscience Corp, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$31.6M

net selling

Bought(0 · 0 insiders): $0
Sold(40 · 8 insiders): $31.6M

Past 6 months

-$34.5M

net selling

Bought(0 · 0 insiders): $0
Sold(55 · 9 insiders): $34.5M

Past 12 months

-$34.5M

net selling

Bought(0 · 0 insiders): $0
Sold(55 · 9 insiders): $34.5M

Transaction history

The 74 most recent Form 4 transactions.

Open in screener →

Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 10	Leproust Emily M.	Chief Executive Officer	MEXER◷◆	113,318	—	—	—	Open the original filing on SEC.gov
Aug 10	Leproust Emily M.	Chief Executive Officer	SSELL◷	113,318	$125.16	$14.2M	-12.2%	Open the original filing on SEC.gov
Aug 10	Leproust Emily M.	Chief Executive Officer	MEXER◷	113,318	$26.66	$3M	+13.8%	Open the original filing on SEC.gov
Aug 7	Chess Robert	Director	MEXER◷◆	18,417	—	—	—	Open the original filing on SEC.gov
Aug 7	Chess Robert	Director	SSELL◷	18,417	$110.89	$2M	-46.6%	Open the original filing on SEC.gov
Aug 7	Chess Robert	Director	MEXER◷	18,417	$11.89	$219K	+87.4%	Open the original filing on SEC.gov
Aug 5	Cho Dennis	See Remarks	SSELL◷	14,205	$109.75	$1.6M	-13.7%	Open the original filing on SEC.gov
Aug 3	Werner Robert F.	Chief Accounting Officer	SSELL	167	$85.32	$14.2K	-0.4%	Open the original filing on SEC.gov
Aug 3	Leproust Emily M.	Chief Executive Officer	SSELL	5,101	$85.32	$435.2K	-0.6%	Open the original filing on SEC.gov
Aug 3	Green Paula	SVP of Human Resources	SSELL	1,133	$85.32	$96.7K	-0.9%	Open the original filing on SEC.gov
Aug 3	Finn Patrick John	President and COO	SSELL	2,888	$85.32	$246.4K	-1.1%	Open the original filing on SEC.gov
Aug 3	Cho Dennis	See Remarks	SSELL	1,070	$85.32	$91.3K	-1.0%	Open the original filing on SEC.gov
Jul 23	Finn Patrick John	President and COO	SSELL	2,238	$93.89	$210.1K	-0.8%	Open the original filing on SEC.gov
Jul 9	Laponis Adam	Chief Financial Officer	SSELL	2,399	$94.33	$226.3K	-2.1%	Open the original filing on SEC.gov
Jun 25	Leproust Emily M.	Chief Executive Officer	SSELL◷	18,880	$95.00	$1.8M	-2.2%	Open the original filing on SEC.gov
Jun 24	Cho Dennis	See Remarks	SSELL◷	14,205	$89.75	$1.3M	-11.9%	Open the original filing on SEC.gov
Jun 22	Leproust Emily M.	Chief Executive Officer	SSELL	1,688	$87.32	$147.4K	-0.2%	Open the original filing on SEC.gov
Jun 22	Green Paula	SVP of Human Resources	SSELL	291	$87.32	$25.4K	-0.2%	Open the original filing on SEC.gov
Jun 22	Cho Dennis	See Remarks	SSELL	346	$87.32	$30.2K	-0.3%	Open the original filing on SEC.gov
Jun 15	Green Paula	SVP of Human Resources	MEXER◆	26,137	—	—	—	Open the original filing on SEC.gov
Jun 15	Green Paula	SVP of Human Resources	SSELL	2,028	$82.17	$166.6K	-1.7%	Open the original filing on SEC.gov
Jun 15	Green Paula	SVP of Human Resources	SSELL	24,109	$81.62	$2M	-16.4%	Open the original filing on SEC.gov
Jun 15	Green Paula	SVP of Human Resources	MEXER	26,137	$23.33	$609.8K	+21.6%	Open the original filing on SEC.gov
Jun 8	Werner Robert F.	Chief Accounting Officer	GGIFT	500	—	—	-1.1%	Open the original filing on SEC.gov
Jun 8	Werner Robert F.	Chief Accounting Officer	SSELL	1,127	$69.07	$77.8K	-2.4%	Open the original filing on SEC.gov
Jun 8	Werner Robert F.	Chief Accounting Officer	SSELL	232	$69.84	$16.2K	-0.5%	Open the original filing on SEC.gov
Jun 8	Leproust Emily M.	Chief Executive Officer	SSELL	2,265	$69.84	$158.2K	-0.3%	Open the original filing on SEC.gov
Jun 8	Green Paula	SVP of Human Resources	SSELL	884	$69.84	$61.7K	-0.7%	Open the original filing on SEC.gov
Jun 8	Cho Dennis	See Remarks	SSELL	402	$69.84	$28.1K	-0.3%	Open the original filing on SEC.gov
May 29	Laponis Adam	Chief Financial Officer	SSELL◷	4,000	$70.00	$280K	-3.4%	Open the original filing on SEC.gov
May 29	Cho Dennis	See Remarks	SSELL◷	14,205	$69.75	$990.8K	-10.6%	Open the original filing on SEC.gov
May 28	Starovasnik Melissa A.	Director	SSELL◷	2,500	$68.00	$170K	-10.1%	Open the original filing on SEC.gov
May 28	Leproust Emily M.	Chief Executive Officer	MEXER◷◆	16,470	—	—	—	Open the original filing on SEC.gov
May 28	Leproust Emily M.	Chief Executive Officer	SSELL◷	6,465	$68.61	$443.6K	-0.8%	Open the original filing on SEC.gov
May 28	Leproust Emily M.	Chief Executive Officer	SSELL◷	7,623	$67.95	$518K	-0.9%	Open the original filing on SEC.gov
May 28	Leproust Emily M.	Chief Executive Officer	SSELL◷	900	$66.85	$60.2K	-0.1%	Open the original filing on SEC.gov
May 28	Leproust Emily M.	Chief Executive Officer	SSELL◷	1,482	$65.33	$96.8K	-0.2%	Open the original filing on SEC.gov
May 28	Leproust Emily M.	Chief Executive Officer	MEXER◷	16,470	$8.82	$145.3K	+1.9%	Open the original filing on SEC.gov
May 27	Leproust Emily M.	Chief Executive Officer	MEXER◷◆	25,017	—	—	—	Open the original filing on SEC.gov
May 27	Leproust Emily M.	Chief Executive Officer	SSELL◷	1,265	$66.28	$83.8K	-0.1%	Open the original filing on SEC.gov
May 27	Leproust Emily M.	Chief Executive Officer	SSELL◷	23,752	$65.24	$1.5M	-2.7%	Open the original filing on SEC.gov
May 27	Leproust Emily M.	Chief Executive Officer	MEXER◷	25,017	$8.82	$220.6K	+2.9%	Open the original filing on SEC.gov
May 26	Werner Robert F.	Chief Accounting Officer	SSELL	800	$62.48	$50K	-1.6%	Open the original filing on SEC.gov
May 26	Starovasnik Melissa A.	Director	SSELL◷	500	$61.04	$30.5K	-2.0%	Open the original filing on SEC.gov
May 26	Leproust Emily M.	Chief Executive Officer	MEXER◷◆	24,282	—	—	—	Open the original filing on SEC.gov
May 26	Leproust Emily M.	Chief Executive Officer	SSELL◷	24,282	$65.08	$1.6M	-2.8%	Open the original filing on SEC.gov
May 26	Leproust Emily M.	Chief Executive Officer	MEXER◷	24,282	$8.82	$214.2K	+2.9%	Open the original filing on SEC.gov
May 21	Werner Robert F.	Chief Accounting Officer	SSELL	688	$53.26	$36.6K	-1.4%	Open the original filing on SEC.gov
May 21	Leproust Emily M.	Chief Executive Officer	SSELL	6,888	$53.26	$366.8K	-0.8%	Open the original filing on SEC.gov
May 21	Laponis Adam	Chief Financial Officer	SSELL	2,019	$53.26	$107.5K	-1.7%	Open the original filing on SEC.gov
May 21	Green Paula	SVP of Human Resources	SSELL	1,399	$53.26	$74.5K	-1.1%	Open the original filing on SEC.gov
May 21	Finn Patrick John	President and COO	SSELL	4,160	$53.26	$221.5K	-1.5%	Open the original filing on SEC.gov
May 21	Cho Dennis	See Remarks	SSELL	1,642	$53.26	$87.4K	-1.2%	Open the original filing on SEC.gov
May 12	Johannessen Jan	Director	MEXER◆	12,000	—	—	—	Open the original filing on SEC.gov
May 12	Johannessen Jan	Director	SSELL	12,000	$56.12	$673.4K	-40.3%	Open the original filing on SEC.gov
May 12	Johannessen Jan	Director	MEXER	12,000	$14.00	$168K	+67.6%	Open the original filing on SEC.gov
May 8	Werner Robert F.	Chief Accounting Officer	SSELL	4,961	$56.88	$282.2K	-9.1%	Open the original filing on SEC.gov
May 4	Werner Robert F.	Chief Accounting Officer	SSELL	164	$57.15	$9.4K	-0.3%	Open the original filing on SEC.gov
May 4	Leproust Emily M.	Chief Executive Officer	SSELL	5,127	$57.15	$293K	-0.6%	Open the original filing on SEC.gov
May 4	Green Paula	SVP of Human Resources	SSELL	1,116	$57.15	$63.8K	-0.9%	Open the original filing on SEC.gov
May 4	Finn Patrick John	President and COO	SSELL	2,844	$57.15	$162.5K	-1.0%	Open the original filing on SEC.gov
May 4	Cho Dennis	See Remarks	SSELL	1,962	$57.15	$112.1K	-1.4%	Open the original filing on SEC.gov
Apr 27	Starovasnik Melissa A.	Director	SSELL◷	500	$61.83	$30.9K	-1.9%	Open the original filing on SEC.gov
Apr 23	Finn Patrick John	President and COO	SSELL	2,321	$60.76	$141K	-0.8%	Open the original filing on SEC.gov
Apr 22	Leproust Emily M.	Chief Executive Officer	MEXER◷◆	8,061	—	—	—	Open the original filing on SEC.gov
Apr 22	Leproust Emily M.	Chief Executive Officer	SSELL◷	151	$66.00	$10K	<0.1%	Open the original filing on SEC.gov
Apr 22	Leproust Emily M.	Chief Executive Officer	SSELL◷	7,910	$65.28	$516.3K	-0.9%	Open the original filing on SEC.gov
Apr 22	Leproust Emily M.	Chief Executive Officer	MEXER◷	8,061	$8.82	$71.1K	+0.9%	Open the original filing on SEC.gov
Apr 21	Leproust Emily M.	Chief Executive Officer	MEXER◷◆	1,610	—	—	—	Open the original filing on SEC.gov
Apr 21	Leproust Emily M.	Chief Executive Officer	SSELL◷	1,610	$65.01	$104.7K	-0.2%	Open the original filing on SEC.gov
Apr 21	Leproust Emily M.	Chief Executive Officer	MEXER◷	1,610	$8.82	$14.2K	+0.2%	Open the original filing on SEC.gov
Apr 17	Laponis Adam	Chief Financial Officer	SSELL◷	4,000	$60.00	$240K	-3.3%	Open the original filing on SEC.gov
Apr 14	Laponis Adam	Chief Financial Officer	SSELL◷	3,000	$55.00	$165K	-2.4%	Open the original filing on SEC.gov
Apr 9	Laponis Adam	Chief Financial Officer	SSELL	2,597	$49.89	$129.6K	-2.0%	Open the original filing on SEC.gov

MEXER◷◆—

Leproust Emily M. · Chief Executive…Aug 10

113,318 sh

SSELL◷$14.2M

Leproust Emily M. · Chief Executive…Aug 10

113,318 sh @ $125.16 · -12.2% own

MEXER◷$3M

Leproust Emily M. · Chief Executive…Aug 10

113,318 sh @ $26.66 · +13.8% own

MEXER◷◆—

Chess Robert · DirectorAug 7

18,417 sh

SSELL◷$2M

Chess Robert · DirectorAug 7

18,417 sh @ $110.89 · -46.6% own

MEXER◷$219K

Chess Robert · DirectorAug 7

18,417 sh @ $11.89 · +87.4% own

SSELL◷$1.6M

Cho Dennis · See RemarksAug 5

14,205 sh @ $109.75 · -13.7% own

SSELL$14.2K

Werner Robert F. · Chief Accounting…Aug 3

167 sh @ $85.32 · -0.4% own

SSELL$435.2K

Leproust Emily M. · Chief Executive…Aug 3

5,101 sh @ $85.32 · -0.6% own

SSELL$96.7K

Green Paula · SVP of Human…Aug 3

1,133 sh @ $85.32 · -0.9% own

SSELL$246.4K

Finn Patrick John · President and COOAug 3

2,888 sh @ $85.32 · -1.1% own

SSELL$91.3K

Cho Dennis · See RemarksAug 3

1,070 sh @ $85.32 · -1.0% own

SSELL$210.1K

Finn Patrick John · President and COOJul 23

2,238 sh @ $93.89 · -0.8% own

SSELL$226.3K

Laponis Adam · Chief Financial…Jul 9

2,399 sh @ $94.33 · -2.1% own

SSELL◷$1.8M

Leproust Emily M. · Chief Executive…Jun 25

18,880 sh @ $95.00 · -2.2% own

SSELL◷$1.3M

Cho Dennis · See RemarksJun 24

14,205 sh @ $89.75 · -11.9% own

SSELL$147.4K

Leproust Emily M. · Chief Executive…Jun 22

1,688 sh @ $87.32 · -0.2% own

SSELL$25.4K

Green Paula · SVP of Human…Jun 22

291 sh @ $87.32 · -0.2% own

SSELL$30.2K

Cho Dennis · See RemarksJun 22

346 sh @ $87.32 · -0.3% own

MEXER◆—

Green Paula · SVP of Human…Jun 15

26,137 sh

SSELL$166.6K

Green Paula · SVP of Human…Jun 15

2,028 sh @ $82.17 · -1.7% own

SSELL$2M

Green Paula · SVP of Human…Jun 15

24,109 sh @ $81.62 · -16.4% own

MEXER$609.8K

Green Paula · SVP of Human…Jun 15

26,137 sh @ $23.33 · +21.6% own

GGIFT—

Werner Robert F. · Chief Accounting…Jun 8

500 sh · -1.1% own

SSELL$77.8K

Werner Robert F. · Chief Accounting…Jun 8

1,127 sh @ $69.07 · -2.4% own

SSELL$16.2K

Werner Robert F. · Chief Accounting…Jun 8

232 sh @ $69.84 · -0.5% own

SSELL$158.2K

Leproust Emily M. · Chief Executive…Jun 8

2,265 sh @ $69.84 · -0.3% own

SSELL$61.7K

Green Paula · SVP of Human…Jun 8

884 sh @ $69.84 · -0.7% own

SSELL$28.1K

Cho Dennis · See RemarksJun 8

402 sh @ $69.84 · -0.3% own

SSELL◷$280K

Laponis Adam · Chief Financial…May 29

4,000 sh @ $70.00 · -3.4% own

SSELL◷$990.8K

Cho Dennis · See RemarksMay 29

14,205 sh @ $69.75 · -10.6% own

SSELL◷$170K

Starovasnik Melissa A. · DirectorMay 28

2,500 sh @ $68.00 · -10.1% own

MEXER◷◆—

Leproust Emily M. · Chief Executive…May 28

16,470 sh

SSELL◷$443.6K

Leproust Emily M. · Chief Executive…May 28

6,465 sh @ $68.61 · -0.8% own

SSELL◷$518K

Leproust Emily M. · Chief Executive…May 28

7,623 sh @ $67.95 · -0.9% own

SSELL◷$60.2K

Leproust Emily M. · Chief Executive…May 28

900 sh @ $66.85 · -0.1% own

SSELL◷$96.8K

Leproust Emily M. · Chief Executive…May 28

1,482 sh @ $65.33 · -0.2% own

MEXER◷$145.3K

Leproust Emily M. · Chief Executive…May 28

16,470 sh @ $8.82 · +1.9% own

MEXER◷◆—

Leproust Emily M. · Chief Executive…May 27

25,017 sh

SSELL◷$83.8K

Leproust Emily M. · Chief Executive…May 27

1,265 sh @ $66.28 · -0.1% own

SSELL◷$1.5M

Leproust Emily M. · Chief Executive…May 27

23,752 sh @ $65.24 · -2.7% own

MEXER◷$220.6K

Leproust Emily M. · Chief Executive…May 27

25,017 sh @ $8.82 · +2.9% own

SSELL$50K

Werner Robert F. · Chief Accounting…May 26

800 sh @ $62.48 · -1.6% own

SSELL◷$30.5K

Starovasnik Melissa A. · DirectorMay 26

500 sh @ $61.04 · -2.0% own

MEXER◷◆—

Leproust Emily M. · Chief Executive…May 26

24,282 sh

SSELL◷$1.6M

Leproust Emily M. · Chief Executive…May 26

24,282 sh @ $65.08 · -2.8% own

MEXER◷$214.2K

Leproust Emily M. · Chief Executive…May 26

24,282 sh @ $8.82 · +2.9% own

SSELL$36.6K

Werner Robert F. · Chief Accounting…May 21

688 sh @ $53.26 · -1.4% own

SSELL$366.8K

Leproust Emily M. · Chief Executive…May 21

6,888 sh @ $53.26 · -0.8% own

SSELL$107.5K

Laponis Adam · Chief Financial…May 21

2,019 sh @ $53.26 · -1.7% own

SSELL$74.5K

Green Paula · SVP of Human…May 21

1,399 sh @ $53.26 · -1.1% own

SSELL$221.5K

Finn Patrick John · President and COOMay 21

4,160 sh @ $53.26 · -1.5% own

SSELL$87.4K

Cho Dennis · See RemarksMay 21

1,642 sh @ $53.26 · -1.2% own

MEXER◆—

Johannessen Jan · DirectorMay 12

12,000 sh

SSELL$673.4K

Johannessen Jan · DirectorMay 12

12,000 sh @ $56.12 · -40.3% own

MEXER$168K

Johannessen Jan · DirectorMay 12

12,000 sh @ $14.00 · +67.6% own

SSELL$282.2K

Werner Robert F. · Chief Accounting…May 8

4,961 sh @ $56.88 · -9.1% own

SSELL$9.4K

Werner Robert F. · Chief Accounting…May 4

164 sh @ $57.15 · -0.3% own

SSELL$293K

Leproust Emily M. · Chief Executive…May 4

5,127 sh @ $57.15 · -0.6% own

SSELL$63.8K

Green Paula · SVP of Human…May 4

1,116 sh @ $57.15 · -0.9% own

SSELL$162.5K

Finn Patrick John · President and COOMay 4

2,844 sh @ $57.15 · -1.0% own

SSELL$112.1K

Cho Dennis · See RemarksMay 4

1,962 sh @ $57.15 · -1.4% own

SSELL◷$30.9K

Starovasnik Melissa A. · DirectorApr 27

500 sh @ $61.83 · -1.9% own

SSELL$141K

Finn Patrick John · President and COOApr 23

2,321 sh @ $60.76 · -0.8% own

MEXER◷◆—

Leproust Emily M. · Chief Executive…Apr 22

8,061 sh

SSELL◷$10K

Leproust Emily M. · Chief Executive…Apr 22

151 sh @ $66.00 · <0.1% own

SSELL◷$516.3K

Leproust Emily M. · Chief Executive…Apr 22

7,910 sh @ $65.28 · -0.9% own

MEXER◷$71.1K

Leproust Emily M. · Chief Executive…Apr 22

8,061 sh @ $8.82 · +0.9% own

MEXER◷◆—

Leproust Emily M. · Chief Executive…Apr 21

1,610 sh

SSELL◷$104.7K

Leproust Emily M. · Chief Executive…Apr 21

1,610 sh @ $65.01 · -0.2% own

MEXER◷$14.2K

Leproust Emily M. · Chief Executive…Apr 21

1,610 sh @ $8.82 · +0.2% own

SSELL◷$240K

Laponis Adam · Chief Financial…Apr 17

4,000 sh @ $60.00 · -3.3% own

SSELL◷$165K

Laponis Adam · Chief Financial…Apr 14

3,000 sh @ $55.00 · -2.4% own

SSELL$129.6K

Laponis Adam · Chief Financial…Apr 9

2,597 sh @ $49.89 · -2.0% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 46 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.