Howley W Nicholas — Insider Trades & Holdings | InsiderBid

Howley W Nicholas

Form 4 filings across 2 companies. Net figures count open-market buys and sales only. EDGAR profile ↗

Lifetime net: -$181.9M

Positions by company

Reported holding is the most recent post-transaction share count on a Table I row.

Every company this insider has reported trading in, with the value bought and sold at each and the date they last traded.
Ticker	Company	Bought	Sold	Net	Shares held	Last trade
TDG	TransDigm Group INC	$0	$181.9M	-$181.9M	239	Sep 18
PRM	Perimeter Solutions, Inc.	$0	$0	$0	606,200	Apr 23

TransDigm Group INC

-$181.9M

Bought

$0

Sold

$181.9M

Held

239

Perimeter Solutions, Inc.

$0

Bought

$0

Sold

$0

Held

606,200

Filing record

How quickly this filer reports. Section 16 allows two business days from the transaction.

All 18 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

Trade history

The 150 most recent Form 4 transactions.

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Ticker	Company	Type	Shares	Price	Value	Δ Own	Filing
Sep 18	TDG	TransDigm Group INC	AGRANT	126	$1,085.00	$136.7K	+111.5%	Open the original filing on SEC.gov
Aug 18	TDG	TransDigm Group INC	MEXER◷◆	10,132	—	—	—

TDGAGRANT$136.7K

TransDigm Group INCSep 18

126 sh @ $1,085.00 · +111.5% own

TDGMEXER◷◆—

TransDigm Group INCAug 18

10,132 sh

TDGSSELL◷$235.8K

TransDigm Group INCAug 18

190 sh @ $1,241.14 · -0.9% own

TDGSSELL◷$1.6M

TransDigm Group INCAug 18

1,313 sh @ $1,240.42 · -5.7% own

TDGSSELL◷$4.9M

TransDigm Group INCAug 18

3,980 sh @ $1,239.17 · -14.7% own

TDGSSELL◷$643.8K

TransDigm Group INCAug 18

520 sh @ $1,238.08 · -1.9% own

TDGSSELL◷$309.2K

TransDigm Group INCAug 18

250 sh @ $1,236.89 · -0.9% own

TDGSSELL◷$173.1K

TransDigm Group INCAug 18

140 sh @ $1,236.12 · -0.5% own

TDGSSELL◷$333.4K

TransDigm Group INCAug 18

270 sh @ $1,234.69 · -1.0% own

TDGSSELL◷$555K

TransDigm Group INCAug 18

450 sh @ $1,233.30 · -1.6% own

TDGSSELL◷$1.3M

TransDigm Group INCAug 18

1,055 sh @ $1,232.01 · -3.5% own

TDGSSELL◷$1M

TransDigm Group INCAug 18

830 sh @ $1,231.12 · -2.7% own

TDGSSELL◷$701.1K

TransDigm Group INCAug 18

570 sh @ $1,230.02 · -1.8% own

TDGSSELL◷$356.4K

TransDigm Group INCAug 18

290 sh @ $1,229.09 · -0.9% own

TDGSSELL◷$85.9K

TransDigm Group INCAug 18

70 sh @ $1,227.62 · -0.2% own

TDGSSELL◷$250K

TransDigm Group INCAug 18

204 sh @ $1,225.60 · -0.6% own

TDGMEXER◷$673.5K

TransDigm Group INCAug 18

10,132 sh @ $66.47 · +47.0% own

TDGMEXER◷◆—

TransDigm Group INCJul 20

10,132 sh

TDGSSELL◷$538.6K

TransDigm Group INCJul 20

440 sh @ $1,224.14 · -2.0% own

TDGSSELL◷$568.4K

TransDigm Group INCJul 20

465 sh @ $1,222.32 · -2.1% own

TDGSSELL◷$158.7K

TransDigm Group INCJul 20

130 sh @ $1,220.57 · -0.6% own

TDGSSELL◷$1.5M

TransDigm Group INCJul 20

1,243 sh @ $1,219.48 · -5.2% own

TDGSSELL◷$1.8M

TransDigm Group INCJul 20

1,463 sh @ $1,218.58 · -5.8% own

TDGSSELL◷$733.9K

TransDigm Group INCJul 20

603 sh @ $1,217.01 · -2.3% own

TDGSSELL◷$316.1K

TransDigm Group INCJul 20

260 sh @ $1,215.62 · -1.0% own

TDGSSELL◷$1.9M

TransDigm Group INCJul 20

1,561 sh @ $1,214.74 · -5.6% own

TDGSSELL◷$1.7M

TransDigm Group INCJul 20

1,437 sh @ $1,213.88 · -4.9% own

TDGSSELL◷$2.1M

TransDigm Group INCJul 20

1,720 sh @ $1,212.73 · -5.6% own

TDGSSELL◷$290.7K

TransDigm Group INCJul 20

240 sh @ $1,211.46 · -0.8% own

TDGSSELL◷$689.9K

TransDigm Group INCJul 20

570 sh @ $1,210.32 · -1.8% own

TDGMEXER◷$673.5K

TransDigm Group INCJul 20

10,132 sh @ $66.47 · +47.0% own

TDGJOTHER◷↺—

TransDigm Group INCJun 18

0 sh

TDGMEXER◷◆—

TransDigm Group INCMay 18

10,132 sh

TDGSSELL◷$157K

TransDigm Group INCMay 18

132 sh @ $1,189.02 · -0.6% own

TDGSSELL◷$4.5M

TransDigm Group INCMay 18

3,801 sh @ $1,188.13 · -14.9% own

TDGSSELL◷$322.9K

TransDigm Group INCMay 18

272 sh @ $1,187.11 · -1.1% own

TDGSSELL◷$531.3K

TransDigm Group INCMay 18

448 sh @ $1,185.97 · -1.7% own

TDGSSELL◷$1.3M

TransDigm Group INCMay 18

1,075 sh @ $1,185.05 · -3.9% own

TDGSSELL◷$103K

TransDigm Group INCMay 18

87 sh @ $1,183.86 · -0.3% own

TDGSSELL◷$343K

TransDigm Group INCMay 18

290 sh @ $1,182.81 · -1.1% own

TDGSSELL◷$516.1K

TransDigm Group INCMay 18

437 sh @ $1,180.97 · -1.6% own

TDGSSELL◷$294.9K

TransDigm Group INCMay 18

250 sh @ $1,179.67 · -0.9% own

TDGSSELL◷$164.9K

TransDigm Group INCMay 18

140 sh @ $1,178.14 · -0.5% own

TDGSSELL◷$47.1K

TransDigm Group INCMay 18

40 sh @ $1,176.68 · -0.1% own

TDGSSELL◷$368.1K

TransDigm Group INCMay 18

313 sh @ $1,175.96 · -1.1% own

TDGSSELL◷$804.3K

TransDigm Group INCMay 18

685 sh @ $1,174.17 · -2.3% own

TDGSSELL◷$257.9K

TransDigm Group INCMay 18

220 sh @ $1,172.31 · -0.7% own

TDGSSELL◷$70.2K

TransDigm Group INCMay 18

60 sh @ $1,170.38 · -0.2% own

TDGSSELL◷$456K

TransDigm Group INCMay 18

390 sh @ $1,169.24 · -1.3% own

TDGSSELL◷$540.9K

TransDigm Group INCMay 18

463 sh @ $1,168.33 · -1.5% own

TDGSSELL◷$683.9K

TransDigm Group INCMay 18

586 sh @ $1,167.05 · -1.9% own

TDGSSELL◷$128.2K

TransDigm Group INCMay 18

110 sh @ $1,165.51 · -0.4% own

TDGSSELL◷$26.8K

TransDigm Group INCMay 18

23 sh @ $1,163.98 · <0.1% own

TDGSSELL◷$58.1K

TransDigm Group INCMay 18

50 sh @ $1,162.95 · -0.2% own

TDGSSELL◷$92.8K

TransDigm Group INCMay 18

80 sh @ $1,160.00 · -0.3% own

TDGSSELL◷$92K

TransDigm Group INCMay 18

80 sh @ $1,150.17 · -0.3% own

TDGSSELL◷$68.8K

TransDigm Group INCMay 18

60 sh @ $1,146.42 · -0.2% own

TDGSSELL◷$45.8K

TransDigm Group INCMay 18

40 sh @ $1,145.16 · -0.1% own

TDGMEXER◷$673.5K

TransDigm Group INCMay 18

10,132 sh @ $66.47 · +47.0% own

PRMGGIFT—

Perimeter Solutions, Inc.Apr 23

3.5M sh · -85.2% own

TDGMEXER◷◆—

TransDigm Group INCApr 20

343 sh

TDGMEXER◷◆—

TransDigm Group INCApr 20

9,789 sh

TDGSSELL◷$76.3K

TransDigm Group INCApr 20

60 sh @ $1,271.63 · -0.3% own

TDGSSELL◷$546.3K

TransDigm Group INCApr 20

430 sh @ $1,270.46 · -1.9% own

TDGSSELL◷$342.8K

TransDigm Group INCApr 20

270 sh @ $1,269.62 · -1.2% own

TDGSSELL◷$1.2M

TransDigm Group INCApr 20

940 sh @ $1,268.46 · -4.0% own

TDGSSELL◷$2.1M

TransDigm Group INCApr 20

1,673 sh @ $1,267.14 · -6.7% own

TDGSSELL◷$1.7M

TransDigm Group INCApr 20

1,304 sh @ $1,266.13 · -5.0% own

TDGSSELL◷$877.9K

TransDigm Group INCApr 20

694 sh @ $1,264.95 · -2.6% own

TDGSSELL◷$744.4K

TransDigm Group INCApr 20

589 sh @ $1,263.81 · -2.1% own

TDGSSELL◷$3.9M

TransDigm Group INCApr 20

3,077 sh @ $1,262.66 · -10.1% own

TDGSSELL◷$1.3M

TransDigm Group INCApr 20

1,035 sh @ $1,261.64 · -3.3% own

TDGSSELL◷$75.6K

TransDigm Group INCApr 20

60 sh @ $1,260.34 · -0.2% own

TDGMEXER◷$22.8K

TransDigm Group INCApr 20

343 sh @ $66.47 · +1.1% own

TDGMEXER◷$498.5K

TransDigm Group INCApr 20

9,789 sh @ $50.92 · +45.4% own

PRMGGIFT—

Perimeter Solutions, Inc.Apr 1

1M sh · -19.7% own

TDGAGRANT$137.3K

TransDigm Group INCMar 20

113 sh @ $1,214.66

TDGMEXER◷◆—

TransDigm Group INCMar 18

10,132 sh

TDGSSELL◷$133K

TransDigm Group INCMar 18

108 sh @ $1,231.34 · -0.5% own

TDGSSELL◷$640.6K

TransDigm Group INCMar 18

521 sh @ $1,229.51 · -2.4% own

TDGSSELL◷$147.4K

TransDigm Group INCMar 18

120 sh @ $1,228.44 · -0.5% own

TDGSSELL◷$46.6K

TransDigm Group INCMar 18

38 sh @ $1,226.44 · -0.2% own

TDGSSELL◷$85.8K

TransDigm Group INCMar 18

70 sh @ $1,225.10 · -0.3% own

TDGSSELL◷$12.2K

TransDigm Group INCMar 18

10 sh @ $1,223.80 · <0.1% own

TDGSSELL◷$35.4K

TransDigm Group INCMar 18

29 sh @ $1,222.38 · -0.1% own

TDGSSELL◷$48.9K

TransDigm Group INCMar 18

40 sh @ $1,221.44 · -0.2% own

TDGSSELL◷$109.9K

TransDigm Group INCMar 18

90 sh @ $1,220.61 · -0.4% own

TDGSSELL◷$59.7K

TransDigm Group INCMar 18

49 sh @ $1,218.80 · -0.2% own

TDGSSELL◷$97.4K

TransDigm Group INCMar 18

80 sh @ $1,217.57 · -0.4% own

TDGSSELL◷$228.7K

TransDigm Group INCMar 18

188 sh @ $1,216.63 · -0.8% own

TDGSSELL◷$151.9K

TransDigm Group INCMar 18

125 sh @ $1,215.51 · -0.5% own

TDGSSELL◷$670.4K

TransDigm Group INCMar 18

552 sh @ $1,214.40 · -2.3% own

TDGSSELL◷$1.4M

TransDigm Group INCMar 18

1,159 sh @ $1,213.45 · -4.7% own

TDGSSELL◷$2.5M

TransDigm Group INCMar 18

2,025 sh @ $1,212.57 · -7.6% own

TDGSSELL◷$1.4M

TransDigm Group INCMar 18

1,182 sh @ $1,211.46 · -4.2% own

TDGSSELL◷$1.7M

TransDigm Group INCMar 18

1,376 sh @ $1,210.39 · -4.7% own

TDGSSELL◷$1.5M

TransDigm Group INCMar 18

1,246 sh @ $1,209.52 · -4.1% own

TDGSSELL◷$391.6K

TransDigm Group INCMar 18

324 sh @ $1,208.56 · -1.1% own

TDGSSELL◷$109.9K

TransDigm Group INCMar 18

91 sh @ $1,207.38 · -0.3% own

TDGSSELL◷$611.5K

TransDigm Group INCMar 18

507 sh @ $1,206.05 · -1.6% own

TDGSSELL◷$243.5K

TransDigm Group INCMar 18

202 sh @ $1,205.42 · -0.6% own

TDGMEXER◷$515.9K

TransDigm Group INCMar 18

10,132 sh @ $50.92 · +47.0% own

PRMGGIFT—

Perimeter Solutions, Inc.Mar 3

1.1M sh · -17.8% own

PRMAGRANT—

Perimeter Solutions, Inc.Mar 3

5.6M sh · +920.9% own

TDGMEXER◷◆—

TransDigm Group INCFeb 18

10,168 sh

TDGSSELL◷$170.6K

TransDigm Group INCFeb 18

130 sh @ $1,312.04 · -0.6% own

TDGSSELL◷$3.6M

TransDigm Group INCFeb 18

2,738 sh @ $1,311.07 · -11.2% own

TDGSSELL◷$1.5M

TransDigm Group INCFeb 18

1,154 sh @ $1,310.58 · -4.5% own

TDGSSELL◷$1.6M

TransDigm Group INCFeb 18

1,210 sh @ $1,309.22 · -4.5% own

TDGSSELL◷$1.3M

TransDigm Group INCFeb 18

973 sh @ $1,308.14 · -3.5% own

TDGSSELL◷$1.4M

TransDigm Group INCFeb 18

1,050 sh @ $1,307.23 · -3.6% own

TDGSSELL◷$555.1K

TransDigm Group INCFeb 18

425 sh @ $1,306.17 · -1.5% own

TDGSSELL◷$765.7K

TransDigm Group INCFeb 18

587 sh @ $1,304.49 · -2.0% own

TDGSSELL◷$730K

TransDigm Group INCFeb 18

560 sh @ $1,303.64 · -1.8% own

TDGSSELL◷$261.8K

TransDigm Group INCFeb 18

201 sh @ $1,302.42 · -0.7% own

TDGSSELL◷$247.2K

TransDigm Group INCFeb 18

190 sh @ $1,301.09 · -0.6% own

TDGSSELL◷$39K

TransDigm Group INCFeb 18

30 sh @ $1,300.32 · -0.1% own

TDGSSELL◷$1.2M

TransDigm Group INCFeb 18

920 sh @ $1,299.31 · -2.9% own

TDGMEXER◷$517.8K

TransDigm Group INCFeb 18

10,168 sh @ $50.92 · +47.2% own

PRMGGIFT—

Perimeter Solutions, Inc.Nov 24, 2025

746,767 sh · -55.2% own

TDGMEXER◷◆—

TransDigm Group INCNov 17, 2025

2,736 sh

TDGSSELL◷$27K

TransDigm Group INCNov 17, 2025

20 sh @ $1,348.07 · <0.1% own

TDGSSELL◷$111.8K

TransDigm Group INCNov 17, 2025

83 sh @ $1,347.53 · -0.4% own

TDGSSELL◷$117K

TransDigm Group INCNov 17, 2025

87 sh @ $1,344.78 · -0.4% own

TDGSSELL◷$82K

TransDigm Group INCNov 17, 2025

61 sh @ $1,343.82 · -0.3% own

TDGSSELL◷$75.2K

TransDigm Group INCNov 17, 2025

56 sh @ $1,341.99 · -0.3% own

TDGSSELL◷$48.3K

TransDigm Group INCNov 17, 2025

36 sh @ $1,340.96 · -0.2% own

TDGSSELL◷$42.9K

TransDigm Group INCNov 17, 2025

32 sh @ $1,339.14 · -0.1% own

TDGSSELL◷$54.9K

TransDigm Group INCNov 17, 2025

41 sh @ $1,338.49 · -0.2% own

TDGSSELL◷$30.7K

TransDigm Group INCNov 17, 2025

23 sh @ $1,335.61 · -0.1% own

TDGSSELL◷$1.4M

TransDigm Group INCNov 17, 2025

1,057 sh @ $1,334.89 · -4.6% own

TDGSSELL◷$686.9K

TransDigm Group INCNov 17, 2025

515 sh @ $1,333.69 · -2.2% own

TDGSSELL◷$812.1K

TransDigm Group INCNov 17, 2025

610 sh @ $1,331.27 · -2.5% own

TDGSSELL◷$139.5K

TransDigm Group INCNov 17, 2025

105 sh @ $1,328.60 · -0.4% own

TDGSSELL◷$13.3K

TransDigm Group INCNov 17, 2025

10 sh @ $1,327.88 · <0.1% own

TDGMEXER◷$139.3K

TransDigm Group INCNov 17, 2025

2,736 sh @ $50.92 · +12.7% own

TDGAGRANT◆—

TransDigm Group INCNov 4, 2025

518 sh

TDGMEXER◷◆—

TransDigm Group INCOct 15, 2025

2,736 sh

TDGSSELL◷$261.6K

TransDigm Group INCOct 15, 2025

200 sh @ $1,308.24 · -0.9% own

TDGSSELL◷$104.5K

TransDigm Group INCOct 15, 2025

80 sh @ $1,306.20 · -0.4% own

TDGSSELL◷$323.8K

TransDigm Group INCOct 15, 2025

248 sh @ $1,305.66 · -1.1% own

TDGSSELL◷$393.9K

TransDigm Group INCOct 15, 2025

302 sh @ $1,304.34 · -1.4% own

TDGSSELL◷$132.7K

TransDigm Group INCOct 15, 2025

102 sh @ $1,301.24 · -0.4% own

TDGSSELL◷$132.5K

TransDigm Group INCOct 15, 2025

102 sh @ $1,299.11 · -0.4% own

TDGSSELL◷$129.8K

TransDigm Group INCOct 15, 2025

100 sh @ $1,297.80 · -0.4% own

TDGSSELL◷$787.1K

TransDigm Group INCOct 15, 2025

607 sh @ $1,296.77 · -2.6% own

TDGSSELL◷$342.1K

TransDigm Group INCOct 15, 2025

264 sh @ $1,295.69 · -1.1% own

TDGSSELL◷$550.3K

TransDigm Group INCOct 15, 2025

425 sh @ $1,294.88 · -1.8% own

TDGSSELL◷$395.3K

TransDigm Group INCOct 15, 2025

306 sh @ $1,291.89 · -1.3% own

TDGMEXER◷$139.3K

TransDigm Group INCOct 15, 2025

2,736 sh @ $50.92 · +12.7% own